toggle menu
Categories
Locations, Regional & international
Business & Finance
Common / Miscellaneous / Community
Medical
Scientific & Educational
Computing & IT
Internet Slang, SMS, Texting & Chat
Governmental & Military
Submit new
Desktop Version
Top Abbreviations
Acronym > Term
Word in meaning
Term > Acronym
Home
/
Computing & IT
/
Telecom
Computing & IT
>> Telecom Abbreviations
Look through 4999 acronyms and abbreviations related to Telecom:
XFMR
— Transformer
IPB
— Invision Power Board
URL
— Universal Resource Locator
LAN
— Local Area Network
DDRS
— Dynamic Data Rate Selection
EBITDA
— Earnings before Interest, Taxes, Depreciation and Amortization
EDD
— Earliest Due Date
YTD
— Year To Date
ETA
— Estimated Time of Arrival
YMMV
— Your Mileage May Vary
OIC
— Oh I See
GFSK
— Gaussian Frequency Shift Keying
CBCU
— Centralized Broadband Control Unit
XML
— Extensible Markup Language
BBS
— Bulletin Board Service
DCE
— Data Circuit-terminating Equipment
CSMA/CA
— Carrier Sense Multiple Access/Collision Avoidance
DND
— Do Not Disturb
ECG
— Electrocardiogram
OEM
— Original Equipment Manufacturer (usually in reference to car parts)
NMSE
— Normalized Mean Square Error
THX
— Thanks
APR
— Annual Percentage Rate
ASAP
— As Soon As Possible (pronounced AY-sap)
C4I
— Command, Control, Communications, Computers, & Intelligence
PPM
— parts per million
ROM
— Read-Only Memory
ARP
— Address Resolution Protocol (ATM)
FTP
— File Transfer Protocol
DWDM
— Dense Wavelength Division Multiplexing
CSR
— Customer Service Representative
LASER
— Light Amplification By Stimulated Emission Of Radiation (cf. Maser)
BTW
— By The Way
LRU
— Line Replaceable Unit
C3I
— Command, Control, Communications & Intelligence
ANSI
— American National Standards Institute, Inc.
YGWYPF
— You Get What You Pay For
NB
— Nota Bene. Abbreviation of the Latin expression commonly used to emphasise the importance of a statement, literally meaning 'observe well'. Or less politely and more amusingly, No Bullshit.
BRDF
— Bidirectional Reflectance Distribution Function
CU
— See You
UK
— United Kingdom of Great Britain and Northern Ireland
IT
— Information Technology
POC
— Point Of Contact
IQ
— Intelligence Quotient
CCTV
— Closed-circuit television
ATM
— Automatic Teller Machine
CT
— Computed Tomography
EPA
— Environmental Protection Agency (US)
RQMT
— Requirement
DOE
— Distributed Object Environment
COB
— close of business (End of duty day)
ISO
— In Search Of
IRC
— Internet Relay Chat
CPU
— Central Processing Unit
CR
— Carriage Return
FIFO
— First In, First Out
PDF
— Portable Document Format (created by Adobe Acrobat)
CSMA/CD
— Carrier Sense Multiple Access with Collision Detection
IAMAI
— Internet and Mobile Association of India
X-BAR
— Crossbar telephone exchange
SYN
— Synchronous
P&L
— Profit and Loss statement
IP
— Internet Protocol
MAN
— Metropolitan Area Network
RTN
— Regional Telecommunication Network
BPM
— Beats Per Minute
PDT
— Pacific Daylight Time
LED
— Light-Emitting Diode
ISAR
— Inverse Synthetic-Aperture Radar
ISO
— International Organization for Standardization
QC
— Quality Control
RDF
— Resource Description Framework
GUI
— Graphical User Interface (goo-ey)
SD
— Standard Deviation
AC
— Alternating Current
TEMIP
— Telecommunications Management Information Platform
RFP
— Request For Proposal
S X S
— Step-by-Step
MOU
— Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
FEMA
— Federal Emergency Management Agency
API
— Application Programming Interface
ISP
— Internet Service Provider
R&D
— Research & Development
WACN ID
— Wide Area Communications Network IDentifier
CY
— Calendar Year
FAQ
— Frequently Asked Questions (sometimes Pronounced Fak)
LLC
— Limited Liability Company
XA-FR
— Exchange Access Frame Relay
PO
— Purchase Order
RAEX
— Roaming Agreement EXchange
F2F
— Face To Face (also Meeting In Person)
UR
— Your
MTBF
— Mean Time Before Failure
X-OFF
— Transmitter Off
ASCII
— American National Standard Code for Information Interchange
QFSK
— Quadrature Frequency Shift Keying
CPE
— Customer Premises Equipment
RF
— Radio Frequency
E-LEAD
— Ear Lead
CRT
— Cathode Ray Tube (type of TV)
ASTM
— American Society for Testing and Materials (Philadelphia, Pennsylvania)
OC-256
— Optical Carrier Signal, Level 256
TQM
— Total Quality Management
BTU
— British Thermal Unit
BRB
— Be right back
S-BCCH
— Short Message Service Broadcast Control Channel
EDI
— Electronic Data Interchange
PDR
— Preliminary Design Review
O&M
— Operation and Maintenance
AFAIK
— As Far As I Know
ATTN
— Attention
A-KEY
— Authentication key
ZDBOP
— Ziff-Davis Benchmark Operation
FDIC
— Federal Deposit Insurance Corporation
CDR
— Critical Design Review
C-NBAP
— Common Node B Application Part
LCD
— Liquid Crystal Display
X-ON
— Transmitter On
AMD
— Advanced Micro Devices, Inc. (producer of computer chips)
CEO
— Chief Executive Officer
WBS
— Work Breakdown Structure
CCB
— Change Control Board
RPM
— Revolutions Per Minute, (Rotations Per Minute)
EST
— Eastern Standard Time
VIP
— Very Important Person
B-ICI
— Broadband Inter-Carrier Interface
UAX 14
— Unit Automatic eXchange type 14
WTG
— Way To Go
IRR
— Internal Rate of Return
AUP
— Acceptable Use Policy
DAHDI
— Digium/Asterisk Hardware Device Interface
EAP
— Employee Assistance Program
WB
— Welcome Back
GSM
— Global System for Mobile Communications
SME
— Subject Matter Expert
IPO
— Initial Public Offering
SMTP
— Simple Mail Transfer Protocol
NPV
— Net Present Value {economics}
ATM
— Asynchronous Transfer Mode
ATOM
— Any Transport over MPLS (Multi-Protocol Label Switching)
OC-18
— Optical Carrier Signal, Level 18
MRI
— Magnetic Resonance Imaging
DOA
— dead on arrival
ABC
— activity based costing
FET
— Field Effect Transistor
VPN
— Virtual Private Network (ATM)
GIS
— Geographic Information System
CV
— Curriculum Vitae
PVT
— Private
ACH
— Automated Clearing House
MLS
— Microwave Landing System
TBD
— To Be Determined
HTTP
— Hypertext Transfer Protocol
ADSL
— Asymmetric Digital Subscriber Line
I.LINK
— IEEE 1394, High Performance Serial Bus, implementation
D-NBAP
— Dedicated Node B Application Part
ARPA
— Advanced Research Projects Agency (made early internet)
VAT
— Value Added Tax
RFQ
— Request For Quotation
EU
— European Union (1994; formerly referred to as the EEC or EC)
SRAM
— Static Random Access Memory (ess-ram)
ASME
— American Society of Mechanical Engineers
SOW
— Statement Of Work
M-CSI
— Mobility management CAMEL (Customized Applications for Mobile network Enhanced Logic) Subscription Information
BFI
— Brute Force and Ignorance. An expression found in everyday language since the early 1900s, meaning a heavy handed unrefined solution to a problem (especially fixing something - like bashing an electrical appliance to get it working again). In more recent
SLA
— Service Level Agreement
CSMA/CD
— Carrier sense multiple access / collision detection
T-CARRIER
— Trunk Carrier
GPS
— Global Positioning System (ex-NAVSTAR)
T-IC
— T-interConnect
DOD
— United States Department of Defense
SABGW
— System Architecture Evolution Gateway
ICT
— Information and Communication Technology
IRL
— In Real Life
ACE
— Access Control Entry
WWW
— World Wide Web
C³CM
— Command, Control and Communications Countermeasures
MDF
— Main Distribution Frame
PDA
— Personal Digital Assistant
H323
— ANSI standard for format over IP
ASA
— American Standards Association
OC-9
— Optical Carrier Signal, Level 9
ACK
— Acknowledge (telecommunications; Cf. NAK)
AM
— Ante Meridian
QA
— Center for Quality Assurance in International Education
FSAI
— Fiber Serving Area Interface
VC-ATOD
— Virtual Clearinghouse on Alcohol, Tobacco and Other Drugs
MIS
— Management Information System (OSHA)
EOM
— End Of Message
PCB
— printed circuit board
POS
— Point Of Sale.Retail term, being the physical point at which products are displayed on shelves or paid for at the checkout, as in the EPOS acronym.
MOB
— Mobile
DARPA
— Defense Advanced Research Projects Agency (US)
RFI
— Request For Information. Sales department shorthand. Special priority when use in conjunction with RFN (see below).
CD
— Compact Disc
KBYTE
— Kilobyte (103)
ECU
— Electronic Control Unit
ABI
— Application Binary Interface
JIT
— Just in time
SWAG
— Scientific Wild Ass Guess
ESA
— European Space Agency
CRM
— Customer Relationship Management
VAZO
— Violating All-Zero Octet
JV
— Joint Venture
CONG
— Congestion message
NSF
— National Sanitation Foundation
AM
— Amplitude Modulation
RQMTS
— Requirements
CSMA
— Carrier Sense Multiple Access
RFO
— Reason For Outage
RAM
— random-access memory
TNX
— Thanks
PGP
— Pretty Good Privacy (encryption)
ATA
— Area Transportation Authority
GATT
— General Agreement on Tariffs and Trade (government)
ISDN
— Integrated Services Digital Network
IVR
— Interactive Voice Response (telephone technology)
DSS
— Decision Support System
TTYL
— Talk To You Later (Internet Slang)
BBS
— Bulletin Board System
OCR
— Optical Character Recognition
CIO
— Chief Information Officer
EIS
— Executive Information System
CAD
— Computer Aided Designer
AGC
— Automatic Gain Control
AIR
— Account Information and Refill
DBORS
— Data Base of Records
FIPS
— Federal Information Processing Standard
RPI
— Retail Price Index
CAE
— Computer-Aided Engineering
EDS
— Electronic Data Systems Corporation
CSA
— Canadian Space Agency
PUHU
— Pick Up Hang Up
CC
— Carbon Copy
SDD
— Software Design Document
WML
— Wireless Markup Language
IETF
— Internet Engineering Task Force
POP
— Point Of Presence (Internet)
HVAC
— Heating, Ventilation, and Air Conditioning
COO
— Chief Operation Officer
CPM
— Critical Path Method
RFC
— Request For Comment
RDBMS
— Relational Database Management System
CDT
— Central Daylight Time
DES
— Data Encryption Standard
DRAM
— Dynamic Random Access Memory (dee-ram) (computing)
DSC
— Differential Scanning Calorimetry
FAA
— Federal Aviation Administration
SAR
— Search And Rescue
BCC
— Blind Carbon Copy
CBT
— Computer Based Training
DHCP
— Dynamic Host Configuration Protocol
NYSE
— New York Stock Exchange
COR
— Carrier Operated Relay
ADD
— Addendum
QMS
— Quality Management System
SAN
— Storage Area Network
PC
— Personal computer (host)
WAN
— Wide Area Network
IRS
— U.S. Internal Revenue Service
QOS
— Quality of Service
WWW3
— World Wide Web Consortium
LED
— law enforcement desk; light emitting diode
RDY
— Ready
CST
— Central Standard Time (UTC-6 Hours)
AES
— Advanced Encryption Standard
CUG
— Closed User Group
CIR
— Committed Information Rate (Frame Relay)
ATC
— Air traffic control
ADM
— Add-Drop Multiplexer
MTTR
— Mean Time To Repair
PDH
— Plesiochronous Digital Hierarchy
WYSIWYG
— What You See Is What You Get (pronounced Wizzy-wig. See Entry For Derived Acronyms)
DAM
— Diagnostic Acceptability Measure
SDR
— Special Drawing Rights
ROI
— Return on Investment
CGI
— Common Gateway Interface
CIS
— Commonwealth of Independent States
CMS
— Content Management System
PNG
— Portable Network Graphics (graphic file standard/extension)
ASP
— Application Service Provider
DNS
— Domain Name System
FX
— Foreign Exchange
ATCRBS
— Air Traffic Control Radar Beacon System
ACM
— Association for Computing Machinery
DNS
— Domain Name Service
NFS
— Network File System
PRI
— Primary Rate Interface (ISDN)
NATO
— North Atlantic Treaty Organisation
ECO
— Engineering Change Order
RPM
— Resale Price Maintenance. The UK Net Book Agreement, as was. Means by which retail prices are controlled by primary suppliers. (Alternatively, Revolutions Per Minute, as in engine speed and 78, 33 and 45 records. In years to come how many people will know
SQL
— Structured Query Language
AE
— Account Executive
DOS
— Disk Operating System
AOL
— America on line
EEC
— European Economic Community (predecessor of the European Union|EU)
FFT
— Fast Fourier Transform
Q&A
— Question & Answer
SAS
— Statistical Analysis System
SLIP
— Serial Line Interface Protocol
EVP
— Executive Vice President
NPI
— New Product Introduction
ITU
— International Telecommunication Union
SIC
— Standard Industrial Classification (Code)
PST
— Pacific Standard Time (UTC-8 Hours)
NIST
— National Institute of Standards and Technology
VVX
— Voice and Video eXchange
DAC
— Discretionary Access Control
SQA
— Software Quality Assurance
VM
— Voice Mail
MST
— Mountain Standard Time
DCOM
— Distributed Component Object Model
CFO
— Communication Filing Officer
UTC
— Coordinated Universal Time
KISS
— Keep It Simple Stupid
HZ
— cycles per second (hertz)
EFT
— Electronic Funds Transfer
EC
— European Commission
UDP
— User Datagram Protocol (FDDI related)
GSA
— U.S. General Services Administration
DSL
— Digital Subscriber Line
DBMS
— Database Management System
DLL
— Dynamic Link Library (computer file)
CAM
— computer aided manufacturing
BVR
— Beyond Visual Range
PM
— Preventive Maintenance
DOJ
— Department of Justice (US)
EDT
— Eastern Daylight Time
ADR
— Address
NOS
— Network Operating System
BPS
— bits per second
D-H
— Diffie-Hellman
ACE
— Advanced Computing Environment
ACK
— ACKnowledgment
UI
— User Interface
OFC
— Office
BR
— Branch
NIH
— Not Invented Here
EOT
— End Of Transmission
UAV
— Unmanned Aerial Vehicle
MB
— Megabyte
DB
— Decibel
NEC
— National Electrical Code
ROFL
— Rolling on the floor laughing
IP
— Intellectual Property
AIS
— Automated Information System
CLI
— Command line Interface (Cabletron)
AAAS
— American Association for the Advancement of Science
UPS
— Ultraviolet Photoelectron Spectroscopy
WWW
— World Weather Watch
NA
— Not Applicable
FCC
— Federal Communications Commission (US)
TCO
— Total Cost of Ownership
VHF
— Very High Frequency
NTIS
— National Technical Information Service Technology Administration
NMR
— Nuclear Magnetic Resonance
CS
— Computer Science
GPRS
— General Packet Radio Service
DQPSK
— Differential Quadrature Phase-Shift Keying
EBCDIC
— Extended Binary Coded Decimal Interchange Code (pronounced Eb-see-dik) (cf. BCD)
DDE
— Dynamic Data Exchange (in software parlance)
AOA
— Angle Of Arrival
EDVAC
— Electronic Discrete Variable Automatic Computer
RWR
— Radar Warning Receiver
SCM
— Supply Chain Management
PSTN
— Public Switched Telephone Network
AT&T
— American Telephone and Telegraph (U.S. company, also known as "Ma Bell")
BSOD
— Blue Screen Of Death
CPT
— Carriage Paid To
ABET
— Accreditation Board for Engineering and Technology, Inc.
SSL
— Secure Socket Layer
AGP
— Accelerated Graphics Port
DC
— Direct Current
SCSI
— Small Computer System Interface
BPR
— Business Process Re-engineering
SCC
— Standards Council of Canada
EEG
— Electro-EncephaloGram
PERT
— Program Evaluation and Review Technique
MSN
— Microsoft Network
B2B
— Business to Businesse
TNYWR
— The Number You Will Receive
AQL
— Acceptable Quality Level
ADPE
— Automatic Data Processing Equipment
STP
— standard temperature and pressure (0° and 1 atm)
W3C
— World Wide Web Consortium
RM
— Regional Manager
ACL
— Access Control List
CAA
— Civil Aviation Authority
UN
— United Narions
CMM
— Capability Maturity Model
MBR
— Master Boot Record
BST
— British Summer Time
MIPS
— Millions of Instructions Per Second
OSHA
— Occupational Safety and Health Act (1970)
ACC
— Adaptive Cruise Control
ERP
— Enterprise Resource Planning
DWDM
— Dense Wavelength-Division Multiplexing
SBU
— Strategic Business Units
SOHO
— Small Office Home Office
PMA
— Physical Medium Attachment
DDD
— Direct Distance Dial
CB
— Call Back
USGS
— United States Geological Survey (DOI)
9
— Nine
IANA
— Internet Assigned Numbers Authority
TNSTAAFL
— There's No Such Thing As A Free Lunch
CUL
— See You Later
LMS
— Learning management system
APT
— Automatic Picture Transmission
NOAA
— National Oceanic and Atmospheric Administration (US)
IM
— Instant Message
TC
— Telephone Call
RAID
— Redundant Array of Inexpensive Disks
OMG
— Object Management Group
T&C
— Terms & Conditions
BRI
— Basic Rate Interface
SDMA
— Space Division Multiple Access
PM
— Project Manager
MLS
— Multiple Listing Service
PECVD
— Plasma-Enhanced Chemical Vapor Deposition
LF
— Low Frequency
ZIP
— Zone Improvement Plan
AT&T
— American Telephone & Telegraph
AAC
— Advanced Audio Coding
DDL
— Data Definition Language
MHS
— Message Handling System (electronic)
DSA
— Digital Signature Algorithm
ROS
— Return on Sales
CIA
— Central Intelligence Agency
NEMA
— National Electric Manufacturer's Association
JPEG
— Joint Photographic Experts Group (24-bit image storage format)
ERT
— Emergency Response Team
BSD
— Berkeley Software Distribution
AADC
— Automated Area Distribution Center
UHF
— Ultra High Frequency (300-3000 MHz; 1m-10cm)
M
— Meter
Z
— Zero
AWG
— American Wire Gauge
ENIAC
— Electronic Numerical Integrator And Computer
FM
— frequency modulation
SAIC
— Science Applications International Corporation
ADT
— Atlantic Daylight Time (UTC-3 Hours)
OS
— Operating System
PM
— post meridian
CU
— Control Unit
WDM
— Wavelength Division Multiplexing (fiber optics)
OM
— Old Man
HTML
— Hyper Text Markup Language
RFD
— Request For Discussion
WMO
— World Meteorological Organization (ICSU)
CRC
— Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
PBX
— Private Branch eXchange (company phone system)
ISBN
— International Standard Book Number (ISO 2108)
SAE
— Society of Automotive Engineers
AC
— Access Control
PDN
— Public Data Network
BT
— British Telecommunications
DTE
— Data Terminal Equipment
SEI
— Software Engineering Institute
KM
— Knowledge Management
JAXA
— Japan Aerospace Exploration Agency
100BASE-T2
— 100 Megabits per Second, Baseband, Two-pair Category 3 UTP cables
TCP
— Transmission Control Protocol
SNMP
— Simple Network Management Protocol (ATM)
DFD
— Displaced Frame Difference
ICANN
— Internet Corporation for Assigned Names and Numbers
DME
— Distance Measuring Equipment
WEP
— Wired Equivalent Privacy
ASEAN
— Association of South East Asian Nations
ADN
— Advanced Digital Network
CORBA
— Common Object Request Broker Architecture
MAC
— Media Access Control
PVC
— Permanent Virtual Circuit (ATM)
COQ
— Cost Of Quality
ALC
— Automatic Level Control
CTD
— Cumulative Trauma Disorder
ABR
— Available Bit Rate
AATSR
— Advanced Along-Track Scanning Radiometer
CCM
— counter-countermeasure
WTO
— World Trade Organisation
KHZ
— kilohertz (1000 cycles per second)
EPR
— Ethylene-Propylene Rubber
MGMT
— Management
USB
— Universal Serial Bus
MMS
— Multimedia Messaging Service
EMG
— Electromyogram
I/O
— Input/Output
ISS
— International Space Station
Y2K
— Year 2000
OBO
— Or Best Offer
LEO
— Low Earth Orbit (satellite communications)
AFC
— Automatic Frequency Control
SHA
— Secure Hash Algorithm
FDDI
— Fiber Distributed Data Interface
DMSP
— Defense Meteorological Satellite Program (U.S.)
EAI
— Enterprise Application Integration
AF
— Audio Frequency
NIC
— Network Interface Card
AAAI
— American Association for Artificial Intelligence's
DC
— Disconnected
CCSDS
— Consultative/Consultative Committee for Space Data Systems
HDML
— Handheld Device Markup Language
RFI
— Radio Frequency Interference
AME
— Amplitude Modulation Equivalent
TV
— Television
RSN
— Real Soon Now [which may be a long time coming]
LD
— Long Distance
ISSN
— International Standard Serial Number (ISO 3297)
EOB
— End Of Business
DTI
— Department of Trade and Industry (UK)
ROTFL
— Roll On The Floor Laughing
CIS
— CompuServe Information Service
EEPROM
— Electrically Erasable Programmable Read-Only Memory
ECP
— Engineering Change Proposals
ACTV
— Active
SVP
— Senior Vice President
CM
— Configuration Management
HW
— Hardware
WAP
— Wireless Application Protocol
EEHO
— Either End Hop Off
SOGA
— Share of Gross Adds
NRC
— National Research Council (Canada)
ACD
— Automatic Call Distributor
RM
— Resource Management
MIME
— Multipurpose Internet Mail Extension
CW
— Continuous Wave
BIP
— Bit-Interleaved Parity
NAFTA
— North American Free Trade Agreement
APPL
— Application
BIOS
— Basic Input Output System
DQE
— Detective Quantum Efficiency
LEC
— Local Exchange Carrier
AYT
— Are You There
ATN
— Aeronautical Telecommunication Network
NIMBY
— Not In My Back Yard
CMD
— Command
PSK
— phase-shift keying
EISA
— Extended Industry Standard Architecture
NIST
— National Institute of Standards & Technology (US)
PPB
— parts per billion (109)
ASR
— Airport Surveillance Radar
NBS
— National Bureau of Standards (US)
LRJ
— Location Reject
YL
— Young Lady
RMS
— root mean square (preferred over "RMS")
SPC
— Statistical Process Control. Forerunning quality theory from the 1960s to TQC and TQM.
AE
— Application Entity
DMA
— direct memory access (computer term)
CG
— Center of Gravity (DXS)
CDMA
— Code Division Multiple Access (voice/data transmission)
WIPO
— World Intellectual Property Organization
DSSS
— Direct Sequence Spread Spectrum
ISAKMP
— Internet Security Association and Key Management Protocol
SNR
— Signal-to-Noise Ratio
ELINT
— Electronic Intelligence Satellite
SBC
— Southwestern Bell Corporation
NTIA
— National Telecommunications and Information Administration
CCSD
— command communications service designator; control communications service designator
PPP
— Point-to-Point Protocol
EW
— Electronic Warfare
DLR
— Design Layout Record
AEC
— Architecture, Engineering, Construction
FASB
— Financial Accounting Standards Board
911
— Emergency Services Phone Number
CFV
— Call For Vote(s)
CCNA
— Cisco Certified Network Associated
RPC
— Remote Procedure Call
SDH
— Synchronous Digital Hierarchy (ATM)
VR
— Virtual Reality
STS
— Space Transportation System
AD
— Active Directory
ECE
— Economische Commissie voor Europa (United Nations) (Dutch: Economic Commission for Europe)
BER
— Bit-Error Rate
AES
— Auger Electron Spectroscopy
AMT
— Amount
CRL
— Certificate Revocation List
DCN
— Design Change Notification
GB
— Gigabyte
ATS
— applications technology satellite
AVHRR
— Advanced Very High Resolution Radiometer
RNC
— Radio Network Controller
ITSEC
— Information Technology Security Evaluation Criteria
CG
— Coast Guard
CLM
— Career Limiting Move. A reminder to think twice before embarking on any action that has an obvious whiff of disaster about it. (Ack R Gesling and S Phillips)
BUS
— Business
RU
— Are You?
EDD
— Envelope Delay Distortion
NCSA
— National Center for Supercomputing Applications
EAP
— Extensible Authentication Protocol
OCC
— Occupancy
EMC
— Electromagnetic Compatibility
CES
— Consumer Electronics Show
WB
— Write Back
NSA
— National Security Agency
ICMP
— Internet Control Message Protocol
BCD
— Binary-Coded Decimal
ARA
— Apple Remote Access
VBR
— Variable Bit Rate (ATM)
PD
— Public Domain
CRIS
— Carrier Route Information System
PT
— Project Team
SMS
— Short Message Service
CIM
— Common Information Model
DSTE
— Digital Subscriber Terminal Equipment
CMI
— Computer Managed Instruction
OSI
— Open Systems Interconnection (iso Standard)
ISMI
— International mobile subscriber identity
LCP
— Link Control Protocol
DRM
— Digital Rights Management
RACON
— Radar Beacon
AVL
— Available
LF
— Line Feed
MBPS
— Megabits per second
ACPI
— Advanced Configuration and Power Interface
IPVX
— Internet Protocol version X
PDU
— Protocol data unit (such as segment, packet, frame, etc.)
ASQC
— American Society for Quality Control's
BYOD
— Bring Your Own Device
VAC
— Vacant
PET
— positron emission tomography
FCS
— Frame check sequence (Ethernet)
EDP
— Electronic Data Processing Plc (London Stock Exchange [LSE])
ESF
— Extended Super Frame (ATM)
CFD
— Call For Discussion
MRC
— Monthly Recurring Charge
CHAP
— Challenge Handshake Authentication Protocol (ATM)
EFF
— Electronic Frontier Foundation
BNSC
— British National Space Centre
AIS
— Alarm Indication Signal
USD
— United States Dollar
FAR
— Federal Aviation Regulation
C4
— Command, Control, Communications, and Computers
ELF
— Extremely Low Frequency
WORM
— Write-Once, Read-Many
CSO
— Customer Service Operations
TCP/IP
— transmission control protocol/internet protocol
IRS
— Interface Requirements Specification
ECR
— Electronic Cash Register
PABX
— private automatic branch exchange (telephone)
RTU
— Remote Terminal Unit
B2C
— Business-to-Consumer
CMP
— Connection Management Protocol
OSS
— Operational Support System
LDAP
— Lightweight Directory Access Protocol (pronounced Ell-dap)
SIG
— Special Interest Group
PIN
— Personal Identification Number
DSP
— Digital Signal Processor
BUR
— Bandwidth Usage Redundancy
ECMA
— European Computer Manufacturer's Association
PCMCIA
— Personal Computer Memory Card International Association
BIS
— Bureau of Indian Standards
AMI
— Advanced Metering Infrastructure
100BASE-T
— 100 Megabits per second, Baseband, Twisted pair
RIP
— Routing Information Protocol
CAD
— Computer-Aided Design
DOM
— Document Object Model
DFS
— Distributed File System
MF
— Medium Frequency
EGA
— Enhanced Graphics Adapter
UPS
— Uninterruptible Power Supply
ASQ
— Alpha System Qualification
BPRZ
— Bipolar Return-to-Zero
ACT
— ACTIVITY, ACTIVITIES
MIB
— Management Information Base (ATM)
MS
— Millisecond
IEC
— International Electrotechnical Commission
SGML
— Standard Generalized Markup Language
ISAS
— Institute of Space and Astronautical Sciences (Japan)
MCD
— Magnetic Circular Dichroism
RDP
— Radar Data Processing
BOFH
— Bastard Operator From Hell
CDR
— Call-Detail Record
FCA
— Free Carrier
JPL
— Jet Propulsion Laboratory (California Institute of Technology) (NASA)
MMU
— Memory Management Unit
TCB
— Trusted Computing Base
EMS
— Express Mail Service
DSCP
— Differentiated Services Control Point
APIC
— Advanced Programmable Interrupt Controller
D-RAM
— Dynamic Random Access Memory
SCADA
— Supervisory Control And Data Aquisition
LP
— Low Pressure
BG
— Background
SOAP
— Simple Object Access Protocol
CHF
— Swiss Franc
VOL
— Volume
AMHS
— Automated Message Handling System
AP
— Application Protocol
TAG
— Technical Advisory Group for Biological Control Agents of Weeds
QAM
— quadrature amplitude modulation
PLD
— Programmable Logic Device
BAN
— Base Area Network
HSDPA
— High-Speed Downlink Packet Access
JST
— Japan Standard Time
CFE
— Contractor-Furnished Equipment
PE
— Polyethylene
HTTPS
— HyperText Transfer Protocol Secure
OLE
— Object Linking and Embedding (Microsoft communication protocol)
BGP
— Border Gateway Protocol (routing protocol)
BJT
— Bipolar Junction Transistor
OSPF
— Open Shortest Path First (ATM)
TEL
— Telephone
CBC
— cipher block chaining
AT
— Advanced Technology
MAC
— Message Authentication Code
ADT
— Abstract Data Type
VIRUS
— Vital Information Resources Under Siege
FTTB
— Fiber To The Building
ADC
— Analog-Digital Converter
RFS
— Request For Service
VTC
— Video Teleconference
ADM
— Add/Drop Multiplexer
QI
— Quality Improvement
DTX
— Discontinuous Transmission
VOIP
— Voice Over IP (Internet Protocol)
IRDA
— Infrared Data Association
CRBT
— Caller Ring Back Tone
RACF
— Resource Access Control Facility
ANI
— Automatic Number Identification (Caller ID)
CMC
— Career Management Center
RCU
— Remote Control Unit
VLF
— Very Low Frequency
CFD
— computational fluid dynamics
HF
— High Frequency
NOC
— Network Operations Center
HDLC
— High-Level Data Link Control
SDK
— Software Development Kit (Microsoft)
SP
— Service Provider
HSD
— High Speed Data
MDA
— Monochrome Display Adapter
ADP
— Automatic Data Processor
VB
— Visual Basic
NESDIS
— National Environmental Satellite, Data, and Information Service
RSVP
— Resource Reservation Protocol (Internet)
PAR
— Precision Approach Radar
PCM
— Pulse-Code Modulation
RH
— Relative Humidity
ISRO
— Indian Space Research Organisation
ASK
— amplitude shift keying
DCE
— Distributed Computing Environment
TLS
— Transport Layer Security
3G
— Third Generation mobile phone network
RAD
— Rapid Application Development
URI
— Uniform Resource Identifier
APS
— Automatic Protection Switching (SONET/SDH)
CIC
— Circuit Identification Code
BLOS
— Beyond Line-Of-Sight
ADF
— Automatic Direction Finder
DASD
— Direct Access Storage Device
JSC
— Johnson Space Center (Houston, TX)
PRF
— Pulse Repetition Frequency
RSVD
— Reserved
AS
— Autonomous System
YAHOO
— You Are Hazy Over Oranges
JVM
— Java Virtual Machine
COMINT
— Communications Intelligence
TRLR
— Trailer
BS
— Base Station
SML/SMS
— Service Management Layer/Service Management Service
SPC
— Stored Program Control
WG
— Working Group
POTS
— Plain Old Telephone Service (FCW)
STA
— State
KB
— Kilobyte: One thousand and twenty-four bytes kbps kilo bit per second
NIC
— Network Information Center
BSA
— Business Software Alliance
DOT
— Department of Telecommunications (India)
PDS
— Protected Distribution System
ATF
— Advanced Tactical Fighter
TPDU
— Transport Protocol Data Unit
DSA
— Directory System Agent
MDA
— Model Driven Architecture
GRE
— Generic Routing Encapsulation
PWD
— Password
ATM
— Adobe Type Manager
BOC
— Bell Operating Company
WLAN
— Wireless Local Area Network
AXE 10
— Series of electronic telephone exchanges from L.M. Ericsson
CERT
— Computer Emergency Response Team
CCD
— Charge Coupled Device - a device for the movement of electrical charge.
IMEI
— International Mobile Equipment Identity
MPLS
— Multi Protocol Label Switching
LPE
— Liquid Phase Epitaxy
DSN
— Deep Space Network - network of large antennas and communication facilities.
AU
— Audio Unit
APC
— American Power Conversion
NAS
— Network Access Server
ACO
— Additional Call Offering
DCMI
— Dublin Core Metadata Initiative (Online Computer Library Center)
SAR
— Specific Absorption Rate
WPAN
— Wireless Personal Area Network
IMSI
— International Mobile Subscriber Identity
B3ZS
— bipolar 3-zero substitution
GHZ
— Gigahertz
TB
— Terabyte
TTYL
— Type To You Later
BECN
— Backward Explicit Congestion Notification
EC
— European Community
VOC
— Volatile Organic Compounds (air pollution)
UML
— Unified Modeling Language (Object Management Group, OMG)
EHF
— Extremely High Frequency
ARG
— Argument
TKIP
— Temporal Key Integrity Protocol
CAUCE
— Coalition Against Unsolicited Commercial Email
OD
— Outside Diameter
VXML
— Voice eXtensible Markup Language
CATV
— Cable Television
RAN
— Radio Access Network
OTN
— Optical Transport Network
STM
— Short Term Memory
CGI
— Computer-Generated Imagery
CA
— Certificate Authority
SIT
— Static Induction Transistor
NNTP
— Network News Transfer Protocol
VAS
— Value Added Services
MOS
— Model Output Statistics
LR-WPAN
— Low-Rate Wireless Personal Area Network
NMS
— Network Management System
ESTEC
— European Space Research and Technology Centre
PKI
— Public Key Infrastructure (cryptography)
SIL
— Speech Interference Level
TOS
— Type Of Service
YABA
— Yet Another Bloody Acronym
MIS
— Management Information Service
MS
— Mobile Station
LQC
— Line Quality Control
BBU
— Baseband Unit
MVS
— Multiple Virtual Storage
CBEMA
— Computer & Business Equipment Manufacturers Association
ITT
— Invitation To Tender
FCA
— Free Carrier Absorption
FTTH
— Fiber To The Home
NIS
— Network Information Service
LZ
— Landing Zone
LCN
— Logical Channel Number
DIT
— Directory Information Tree
MIT
— Massachusetts Institute of Technology (U.S.)
BPDU
— Bridge Protocol Data Unit
NMT
— Nordic Mobile Telephone
DUP
— Duplicate
PAN
— Personal Area Network
ASTD
— American Society of Training and Development (Alexandria, Virginia)
SW
— South West
SMI
— Structure of Management Information
MTU
— Maximum Transmission Unit
CIFS
— Common Internet File System
FR
— Frame Relay
IV
— Initialization Vector
EPR
— Electron Paramagnetic Resonance
RARP
— Reverse Address Resolution Protocol
RCC
— Rescue Coordination Center
MIC
— Message Integrity Check
MTSO
— Mobile Telephone Switching Office
PCI
— Peripheral Component Interconnect
DTR
— Data Terminal Ready
VCC
— Virtual Channel Connection (ATM)
MS
— Message Store
NSAI
— National Standards Authority of Ireland
RDF
— Radio Direction Finder
PDN
— Packet Data Network
PPARC
— Particle Physics and Astronomy Research Council
ADCCP
— Advanced Data Communications Control Procedures
UAS
— Unavailable Seconds
EEA
— European Economic Area
DLC
— Digital Loop Carrier
DID
— direct inward dial
IS
— Intermediate System
FAX
— Facsimile
MS
— Management System
IS
— International Standard
OMA
— Open Mobile Alliance
NFPA
— National Fire Protection Association
CC
— Country Code
ODBC
— Open Database Connectivity
AR
— Access Rate
AMI
— Alternate Mark Inversion
APM
— Advanced Power Management
GOS
— Grade Of Service
NCS
— National Communications System
IPX
— Internetwork Packet Exchange
ABBR
— Abbreviation
ES
— Errored Second
COM
— Component Object Model
CGM
— Computer Graphics Metafile
ASR
— Automatic Speech Recognition
TM
— Technical Manual
TG
— Task Group
YP
— Yellow Pages
JIS
— Japanese Industrial Standard
TIA
— Telecommunications Industry Association
E
— Echo Time Zone
UA
— User Agent
ISA
— Industry Standard Architecture
LIU
— Line Interface Unit
NLM
— National Library of Medicine (National Institutes of Health)
CFA
— Carrier Facility Assignment
DMTS
— Distinguished Member Of Technical Staff
MPEG
— Motion Picture Experts Group
SKU
— Stockkeeping Unit
AEW
— Airborne Early Warning
FC
— Fibre Channel
IW
— Information Warfare
SDM
— Service Delivery Management
100BASE-T4
— 100 Megabits per Second, Baseband, Four-pair Category 3 UTP cables
NOTAM
— Notice to Airmen
ASI
— Asynchronous Serial Interface
LLC
— Logical Link Control
SLF
— Super Low Frequency
CS
— Cable Select
FAT
— File Allocation Table
WPM
— speech--words per minute
HSS
— Home Subscriber Server
CATV
— Community Antenna Television
ACFQ
— Absence Compensation Fair Queuing
SAR
— synthetic aperture radar (satellite)
CCIS
— Common Channel Interoffice Signaling
FEC
— Forward Error Correction
EGP
— Exterior Gateway Protocol
ECN
— Explicit Congestion Notification
CPS
— Cycles Per Second (now Hertz)
B-ISDN
— Broadband Integrated Services Digital Network
IEEE-SA
— Institute of Electrical and Electronics Engineers - Standards Association
BER
— Basic Encoding Rules (ASN.1)
CU
— Channel Unit
DDS
— Digital Data Service
NOAO
— National Optical Astronomy Observatories (Tucson, AZ)
SXS
— Step-By-Step
PAP
— Password Authentication Protocol (ATM)
APN
— An Access Point Name
DCS
— Digital Cross-connect System
DA
— Destination Address
MCSD
— Microsoft Certified Solution Developer
TCSEC
— Trusted Computer System Evaluation Criteria
ISO
— Independent System Operator (US) (see also TSO) Responsible for grid management, but does not own assets. (electricity)
DNIS
— Dialed Number Identification Service
ARIN
— American Registry for Internet Numbers
WK
— Week
IIS
— Internet Information Services
OAS
— Organization of American States
KDC
— Kerberos Key Distribution Center
SSM
— Source-Specific Multicast
ARQ
— Automatic Repeat-reQuest
DDCMP
— Digital Data Communications Message Protocol
CIM
— Corporate Information Management
ISO
— Infrared Space Observatory
ELT
— Emergency Locator Transmitter
EMR
— Electromagnetic Radiation
RCV
— Receive
PLMN
— Public Land Mobile Network
CCTA
— Central Computer and Telecommunications Agency
RSS
— Really Simple Syndication
NE
— North-East
CICS
— Customer Information Control System (IBM Mainframe Software; Kicks Or C-I-C-S)
RT
— Radiotelephone
AFS
— Andrew File System
FCP
— Fibre Channel Protocol
ADF
— automatic document feeder
MSU
— Microwave Sounding Unit
VOD
— Video On Demand
TDMA
— Time Division Multiple Access
DS
— Digital Signal
1000BASE-T
— 1000 Megabits per Second, Baseband, Twisted Pair
DDN
— U.S. Defense Data Network
CAV
— Constant Angular Velocity
ARINC
— Aeronautical Radio Incorporated
BT
— BlueTooth
EPABX
— Electronic Private Automatic Branch Exchange
LLU
— Local Loop Unbundling
SCTP
— Stream Control Transmission Protocol
SDLC
— Synchronous Data Link Control
RCS
— Radar Cross Section
VM
— Virtual Machine
DPC
— Destination Point Code
CAM
— Computer-Aided Mapping
OSTP
— Office of Science and Technology Policy
MHS
— Microwave Humidity Sounder
ASIC
— application-specific integration circuit
ME
— Mobile Equipment
ACR
— Attenuation Crosstalk Ratio
SHF
— Super High Frequency
TTY
— Teletype Telex Machine
WS
— Workstation
ECPA
— Electronic Communications Privacy Act 1986
CAB
— Conformity Assessment Body
ERP
— Enterprise Resource Management
DVMRP
— Distance Vector Multicast Routing Protocol
MSRN
— Mobile Station Roaming Number
VDS
— Variable Depth Sonar
NCP
— Network Control Protocol
DIS
— Distributed Interactive Simulation
MCC
— Mission Control Center (JSC)
BRA
— Basic Rate Access
IMC
— Intermediate Metal Conduit
ACAP
— Application Configuration Access Protocol
DAP
— Directory Access Protocol
ESS
— Electronic Switching System
OAM&P
— Operations, Administration, Maintenance & Provisioning
LPC
— Linear Predictive Coding
SEM
— Space Environment Monitor
STP
— Spanning Tree Protocol
ARPU
— Average Revenue Per User
RTS
— Request To Send
FCW
— Federal Computer Week
PTP
— Point to Point Transmission Service (electricity)
ORB
— Object Request Broker
AIFF
— Audio Interchange File Format
3GPP
— Third Generation Partnership Project
MCU
— Multipoint Control Unit
MCA
— Micro Channel Architecture
SRS
— Software Requirements Specifications
BS
— Beam Splitter
DIBL
— Drain-induced Barrier Lowering
CPS
— characters per second
NTP
— Network Time Protocol
RSRQ
— Reference Signal Received Quality
NTFS
— New Technology File System
CTS
— Clear To Send
ATSR
— Along-Track Scanning Radiometer
TAC
— Technical Assistance Center
MMB
— Middle Mouse Button
EAC
— Engineering Accreditation Commission
WCDMA
— Wideband Code Division Multiple Access
TE
— Traffic Engineering
SDP
— Session Description Protocol
AFM
— Atomic Force Microscopy
HSCSD
— High-Speed Circuit-Switched Data
SVC
— Scalable Video Coding
ADB
— Apple Desktop Bus
BERT
— Bit Error Rate Tester (telecommunication)
IRQ
— Interrupt Request
CSA
— Canadian Standards Association (like UL)
MMSI
— Maritime Mobile Service Identity
WMAN
— Wireless Metropolitan Area Network
OTA
— Office of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
AOI
— Area Of Interest
EX
— Exercise
AMLCD
— Active Matrix Liquid Crystal Display
OLAP
— Online Analytical Processing
TWT
— Traveling Wave Tube
COO
— Cost of Ownership
MME
— Mobility Management Entity
CBDS
— Connectionless Broadband Data Service
NREN
— National Research and Education Network
SPA
— Special Prorate Agreement
DSS
— Digital Signature Standard
COAX
— Coaxial
VMS
— Virtual Memory System
TDOA
— Time Difference Of Arrival
UL
— Uplink
FXO
— Foreign Exchange Office
AT
— Access Tandem
SYM
— Symmetric
VSAT
— Very Small Aperture Terminal (satellite service)
QPSK
— aeronautical quadrature phase shift keying
SPGA
— Staggered Pin Grid Array
TO
— Technical Order
DSLAM
— Digital Subscriber Line Access Multiplexer (Module)
ADEOS
— ADvanced Earth Observing Satellite (Japan)
CF
— Compact Flash
AMR
— Automated meter reading also known as Automatic Meter Reading
WAR
— Weekly Activity Report
PDC
— Personal Digital Cellular
E
— Energy
ADL
— Advanced Distributed Learning
DID
— data item description
EULA
— End User License Agreement (usually in reference to software)
RJ-14
— Registered Jack type 14 (2-wire connector)
ISI
— Inter-Symbol Interference
SLP
— Service Location Protocol
VRML
— Virtual Reality Modeling Language
NE
— Network Element
SOS
— Save Our Souls (Help!)
CDE
— Common Desktop Environment
AMPS
— Advanced Mobile Phone System
DX
— Duplex
CAN
— Campus Area Network
ABN
— Abnormal
ECM
— Electronic Counter Measures
DT
— DWDM (Dense Wavelength Division Multiplexing) Terminal
CDS
— Cell Directory Service
OSS
— Operations Support System
VGA
— Video Graphics Array
DTD
— Document Type Definition (XML)
VLL
— Virtual Leased Line
PIM
— Personal Information Manager
SONET
— Synchronous Optical Network
IMPACT
— Integrated Manufacturing Precision Assembly Cellular Technology
CABS
— Carrier Access Billing System
OMS
— Optical Multiplex Section
FMC
— Fixed Mobile Convergence "Mobile UC or Unified Communications over Wireless"
AWACS
— Airborne Warning And Control System
CEV
— Controlled Environment Vault
JCL
— Job Control Language
TE
— Terminal Equipment
POE
— power over ethernetinjector
AFSK
— Audio Frequency Shift Keying
MAJ
— Major
FEP
— Front End Processor
DAT
— Digital Audio Tape
10BASE-T
— 10 Megabits per second, Baseband, Twisted pair
CO
— Central Office
SA
— Scientific American
ZIP
— Zone Information Protocol
TOP
— Technical Office Protocol
LSR
— Local Service Request
CDA
— Command and Data Acquisition
WTLS
— Wireless Transport Layer Security
TEC
— Total Electron Content
BIU
— Bus Interface Unit
STI
— Speech Transmission Index
HDSL
— High-bit-rate Digital Subscriber Line
EMS
— Enhanced Messaging Service
CAVE
— Cellular Authentication and Voice Encryption Algorithm
DUC
— Digital Up-Converter
COMJAM
— Communications Jamming
PROM
— Programmable Read-Only Memory
IAB
— Internet Architecture Board
NI
— Network Interface
EMCON
— Electromagnetic Emission Control
AFOSR
— Air Force Office Of Scientific Research(USA)
TOA
— Time Of Arrival
OTS
— Optical Transmission Section
VLSI
— Very-Large-Scale Integration
DRFM
— Digital Radio-Frequency Memory
AP
— access point
WLTF
— Wireless LAN (Local Area Network) Task Force
SBC
— Session Border Controller
CAC
— Carrier Access Code
DISA
— U.S. Defense Information Systems Agency
DSN
— Defense Switched Network
EMS
— Element Management System (ATM)
ECT
— Explicit Call Transfer
IEEE-CS
— Institute of Electrical and Electronics Engineers Computer Society
ISOC
— Internet Society
CRO
— Central Records Office
LSF
— Line Spread Function
JTF
— Joint Task Force
IV&V
— independent verification and validation
VC
— Virtual Channel
CAC
— Connection Admission Control (Asynchronous Transfer Mode)
ATS
— Automatic Transfer Switch
TPC
— The Phone Company
LFACS
— Loop Facility Assignment and Control System
CO
— Certificate of Origin
JDK
— Java Development Kit
VF
— Voice Frequency
2W
— Two Wire
OC
— Optical Carrier
CAL
— Calorie
ECAC
— European Civil Aviation Conference
BACP
— Bandwidth Allocation Control Protocol
RJ-25
— Registered Jack type 25 (6-wire connector)
DCE
— Data Communication Equipment
DIS
— Draft International Standard
SVD
— Singular Value Decomposition
WAFB
— Wireless Absolute Fairness Bound
RP
— Reference Point
TDM
— Time Division Multiplexer
WINS
— Windows Internet Name Service
NCSC
— National Computer Security Center (NSA)
TCPA
— Telephone Consumer Protection Act
F
— Fellow
FSK
— Frequency-Shift Keying
CBR
— Constant Bit Rate
SMDS
— Switched Multimegabit Data Service (ATM)
JRE
— Java Runtime Environment
EIA
— Extended Interaction Amplifier
SM
— Senior Member
DMX
— De-MultipleXer
LRC
— Learning Resource Center
DBS
— Direct Broadcast Satellite
P
— Predicted
AAF
— Advanced Authoring Format
DMS
— Data Management System
CPN
— Cisco Powered Network
FITS
— Flexible Image Transport System
LISP
— List Processing Language
TXM
— Transmission X-ray Microscope
AMSS
— Automatic Message Switching System
EIGRP
— Enhanced Interior Gateway Routing Protocol
GBPS
— Gigabits per second
ROSAT
— Roentgen Satellite
BNC
— Bayonet Neill-Concelman
BAOC
— Barring of All Outgoing Calls supplementary service
SD
— Software Development
RMI
— Remote Method Invocation
TCR
— Temperature Coefficient of Resistance
TS
— Technical Specification
NLMS
— Normalized Least Mean Square
CLNP
— ConnectionLess-mode Network Protocol
IS
— Information System
NRPB
— National Radiological Protection Board
ASE
— Application Service Element
DII
— Defense Information Infrastructure
AML
— Amplitude Modulated Link
HLR
— Home Location Register
CBP
— Coded Block Pattern
BELLCORE
— Bell Communications Research, Inc.
RRN
— Routing Recording Number
TDD
— Telecommunications Device for the Deaf
FE
— Finite Element
WWAN
— wireless wide-area network
STN
— Station
NSS
— Network Switching Subsystem
TTL
— ToS and Time-to-Live
EBCDIC
— Extended Binary-Coded Decimal Interchange Code
SMB
— Server Message Block
TRMM
— Tropical Rainfall Measuring Mission (US-Japan)
CODASYL
— COnference on DAta SYstems Languages
IESG
— Internet Engineering Steering Group
PEM
— Privacy-Enhanced Mail
LT
— Line Termination
SITA
— Société Internationale de Télécommunications Aéronautiques
DUA
— Directory User Agent
HEX
— Hexadecimal (base 16)
AAV
— Accountholder Authentication Value
AAS
— Adaptive Antenna System
TFTP
— Trivial File Transfer Protocol (ATM)
DCS
— Data Collection System (NOAA Polar Orbiting Satellites)
LEP
— Large Electron Positron
VBA
— Visual BASIC for Applications
GDM
— GSM (Global System for Mobile communications) Data Module
E2E
— End-to-End
ACF
— Access Control Field
PAL
— Programmable Array Logic
CVD
— Chemical Vapor Deposition
FAA
— Federal Aviation Agency
DSCP
— Differentiated Services Code Point
NDVI
— Normalized Difference Vegetation Index
IRLAN
— Infrared LAN
ECP
— Encryption Control Protocol
DNIC
— Data Network Identification Code
ASR
— Access Service Request
MSR
— Microwave Scanning Radiometer
AFP
— AppleTalk Filing Protocol
MCP
— Microsoft Certified Professional
IN
— Intelligent Network
IDT
— Integrated Digital Terminal
RADIUS
— Remote Authentication Dial-In User Service
NAT
— Network Address Translation
PGA
— Programmable Gate Array
EFS
— Encrypting File System
BOD
— Bandwidth on Demand
LU
— Logical Unit
DN
— Distinguished Name
GDS
— Global Distribution System
ADT
— American District Telegraph Company
LNP
— Local Number Portability
CAMA
— Centralized Automatic Message Accounting
4GL
— Fourth-Generation Language
SAA
— Systems Application Architecture
SPADATS
— Space Detection And Tracking System
OSF
— Open Software Foundation
ASN.1
— Abstract Syntax Notation One
UTP
— unshielded twisted pair
IRS
— Inertial Reference System
SAN
— System Area Network
HEHO
— Head End Hop Off
SATAN
— Security Administrator Tool for Analyzing Networks
LQR
— Linear Quadratic Regulator
UAN
— Universal Access Number
E&M
— ear and mouth (special signaling leads)
EMI
— Electro-Magnetic Interference
MC
— Message Center
CC
— Call Control
RPV
— Remotely Piloted Vehicle
STK
— Satellite Tool Kit
QI
— Quality Indicator
WWAN
— Wireless Wide Area Network
EST
— Establish
IRTF
— Internet Research Task Force
RGN
— Region
AUI
— Attachment Unit Interface
POP
— Post Office Protocol
SA
— Source Address
WAIS
— Wide Area Information Server
MSE
— Mobile Subscriber Equipment
SUS
— Suspension
SMPTE
— Society of Motion Picture and Television Engineers, Inc.
PVD
— Physical Vapor Deposition
RX
— Receive
M
— Management
PUB
— Publication (file name extension)
COPS
— Common Open Policy Service
SVC
— Switched Virtual Circuit (ATM)
TLC
— The Learning Channel
LEN
— Line Equipment Number
VPI
— Virtual Path Identifier
VHSIC
— Very High-Speed Integrated Circuit
VT
— Virtual Terminal
KAK
— Key-Auto-Key
DW
— Deep Water
WHT
— Walsh-Hadamard Transform
BTAM
— Basic Telecommunications Access Method
ESF
— Edge Spread Function
QDR
— Quad Data Rate
TIFF
— Tag Image File Format
DER
— Distinguished Encoding Rules
MD
— Mediation Device
FTAM
— File Transfer Access and Management
CT
— Computer Telephony
SDSL
— Symmetric Digital Subscriber Line
CSAT
— Customer Satisfaction
PSD
— Phase-Sensitive Detector
NIU
— Network Interface Unit
FWA
— Fixed Wireless Access
CODEC
— Coder/decoder
FR PVC
— Frame Relay Permanent Virtual Connection
IEEE
— Institute of Electrical and Electronics Engineers
SNA
— System Network Architecture
DCN
— Disconnect
B2B
— Business-to-Business
ITP
— Interactive Telecommunications Program
ETS
— European Telecommunication Standard
AUD
— Audit
DEMUX
— Demultiplexer
DCP
— Design Change Package
FUP
— Fair Use Policy
TDD
— Time Division Duplex
BHCA
— Busy Hour Call Attempt
AIN
— Advanced Intelligent Network
BCH
— Binary Coded Hexadecimal
BIS
— Business Information System
TBD
— To Be Decided
CRLF
— Carriage-Return Line-Feed
CTU
— Central Terminal Unit
FH
— Frequency Hopping
SPI
— Service Provider Interface
CAPS
— Call Attempts Per Second
TOVS
— TIROS Operational Vertical Sounder
NW
— North West
ISM
— Industrial, Scientific and Medical
ETSI
— European Telecommunications Standard Institute
SDHLR
— Super-Distributed Home Location Register
B6ZS
— Bipolar 6 Zero Substitution
RAU
— Radio Access Unit (Army)
DMARC
— Demarcation point
Y
— Yes
Y
— Yttrium
ASARS
— Advanced Synthetic Aperture Radar System
IAD
— Integrated Access Device
PUK
— PIN (Personal Identification Number) Unlocking Key
CCIR
— International Radio Consultative Committee (French Acronym)
RACH
— Random Access Channel
IPCP
— Internet Protocol Control Protocol
PTA
— Pakistan Telecommunication Authority
DAL
— Dedicated Access Line
MLP
— Mobile Location Protocol
COMDEX
— Computer Dealers Exposition
TI
— Time Interval
PM
— Phase Modulation
1FB
— Single line, Flat Business rate;
IP
— Intelligent Peripheral
LRC
— Longitudinal Redundancy Check
FEXT
— Far-End Cross Talk
F
— Frequency
DVB
— Digital Video Broadcasting
IPOATM
— Internet Protocol over ATM
SINAD
— SIgnal-to-(Noise And Distortion) ratio
TDRSS
— Tracking and Data Relay Satellite System
RDI
— Remote Defect Indicator (UNI Fault Management)
ARC
— Army Reuse Center
SLIP
— Serial Line Internet Protocol
GSM
— Groupe Speciale Mobile
AF
— Assured Forwarding
ACLR
— Adjacent Channel Leakage Ratio
CD
— Critical Dimension
BLER
— Block Error Rate
MHO
— My Humble Opinion
MTP
— Message Transfer Part
LSI
— Large Scale Integration -> VLSI
LPD
— Low Probability of Detection
ACT
— Activity
CFNRY
— Call Forwarding on No Reply
NSAP
— Network Service Access Point
MPI
— Message Passing Interface
LDP
— Label Distribution Protocol
YYP
— Yahoo Yellow Pages
FEP
— Front-End Processor
LATA
— Local Access and Transport Area
SDP
— Software Development Plan
OOP
— Object-Oriented Programming
BMEWS
— Ballistic Missile Early Warning System (bee-mews)
MUSIC
— MUltiple SIgnal Classification
TOMS
— Total Ozone Mapping Spectrometer (satellite Instrument)
CSPDN
— Circuit Switched Public Data Network
BSI
— British Standards Institution
TN
— Telephone Number
MX
— Mixer
VLAN
— Virtual Local Area Network
NCAR
— National Center for Atmospheric Research (US)
STP
— Signal Transfer Point
NII
— National Information Infrastructure (USA)
TMSI
— Temporary Mobile Subscriber Identity
T
— Temperature
SPD
— Serial Presence Detect
EAS
— Extended Area Service
REA
— Rural Electrification Administration (US)
SCP
— Service Control Point
EIP
— Equipment installation procedure
VQV
— Voice Quality Value
RSS
— root-sum-square
SML
— Service Management Layer
ASA
— Acoustical Society of America
ATC
— Advanced Technology Center
AMPS
— Advanced Mobile Phone Service (cellular phone standard)
BAN
— Billing Account Number
HW
— Hardware Wars
VESA
— Video Electronics Standards Association
NES
— Network Encryption System
4 GIG
— 4 Giga Intellectual Gadget
FA
— Functional Area
BIP
— Band Interleaved by Pixel
CLEC
— Competitive Local Exchange Carrier
DPSK
— Differential Phase Shift Keying
SWAP
— Shared Wireless Access Protocol
FDD
— Frequency Division Duplex
NPA
— Numbering Plan Area
ESP
— Encapsulating Security Payload
CSPRM
— Common Signaling Protocols Resource Module
4W
— Four-Wire
BY
— Busy
RISC
— Reduced Instruction Set Computing
TTY
— teletype terminal
TOS
— Temporarily Out of Service
STN
— Station Casinos, Inc.
FEM
— Finite Element Method
VOP
— Voice Over Packet
CMOS
— Complementary Metal Oxide Semiconductors
IMAP
— Internet Mail Access Protocol
FSK
— Frequency Shift Keying
FE
— Far End
TELECOMMUTE
— Telecommuting
SLAM
— Scanning Laser Acoustic Microscope
PIC
— Peripheral Interface Controller
NAS
— Network-Attached Storage
DID
— Digital Information Display
DCS
— Digital Cross-Connect
PSN
— Packet Switched Network
FLM
— First Line Maintenance
EFIS
— Electronic Flight Information System
CP
— Change Proposal
SWBD
— Switchboard
PNP
— Plug-and-Play
SVC
— Switched Virtual Connection
CMT
— Cadmium Mercury Telluride
TE
— Test Equipment
ASAR
— Advanced Synthetic Aperture Radar
A
— Anode
FOSE
— Federal Office Systems Exposition
NCC
— Network Control Center (GSFC)
DTMF
— Dual-Tone MultiFrequency
IPR
— Intellectual Property Right
YA
— Yet Another
LAG
— Link Aggregation Group
PIC
— Programmable Interrupt Controller
ESCA
— photoelectron spectroscopy for chemical analysis
SPA
— Software Publishers Association
DTU
— Data Transfer Unit
UART
— Universal Asynchronous Receiver/Transmitter
TOP
— technical/office protocol
AC
— Area Code
W-CDMA
— Wideband Code Division Multiple Access
ASYNC
— Asynchronous
CI
— Common Interface
ACSE
— Association Control Service Element
FAS
— Frame Alignment Signal
FECN
— Forward Explicit Congestion Notification (ATM)
COAM
— Customer Owned And Maintained
DISN
— Defense Information Systems Network
MP
— Multilink Protocol
PG
— Page
GTP
— GPRS (General Packet Radio Service) Tunneling Protocol
GMRS
— General Mobile Radio Service
SFX
— Special Effects
XPS
— X-Ray Photoelectron Spectroscopy
OT
— Office of Telecommunications
CIRC
— Cross-Interleaved Reed-Solomon Code
PU
— Physical Unit (IBM)
BDE
— Borland Database Engine
TRM
— Technical Reference Model
RJE
— Remote Job Entry
TL1
— Transaction Language 1
AN
— Access Node
CHTML
— Compact Hypertext Markup Language
DVP
— Digital Voice Privacy
TCP/IP
— Transmission Control/Internet Protocol
IPLC
— International Private Leased Circuit
SIP
— Session Initiation Protocol
OBC
— Onboard Computer
VTS
— Vessel Traffic Service
DCS
— Defense Communications System
TCIC
— Trunk Circuit Identification Code
KSU
— Key Service Unit
ODS
— Operational Data Store (knowledge management)
FDTD
— Finite Difference Time Domain
PDS
— Planetary Data System
LSW
— Least Significant Word
TDR
— Time-Domain Reflectometry
RADINT
— Radar Intelligence
RECON
— Reconnaissance
LAAS
— Local Area Augmentation System
CMIP
— Common Management Information Protocol (ATM)
DLCI
— data link connection identifier
MEID
— Mobile Equipment Identifier
FRAD
— Frame Relay Access Device
NDIS
— Network Driver Interface Specification (Microsoft Windows NT)
CES
— Circuit Emulation Service
CAM
— Computer-Aided Manufacturing
RT
— Remote Terminal
CLETS
— California Law Enforcement Telecommunication System
DUV
— Deep Ultraviolet
MEAS
— Measure
NIC
— Network Interface Controller
OPC
— Originating Point Code
PP
— Polypropylene
UMA
— Unlicensed Mobile Access
WPS
— Wireless Priority Service
RA
— Risk Analysis
RLU
— Remote Line Unit
SCN
— Switched Circuit Network
1-ESS
— x-ESS series of Electronic Switching Systems
SCPC
— single channel per carrier
CNM
— Customer Network Management
CDR
— Clock and Data Recovery
DMI
— Desktop Management Interface (computing)
PWM
— Pulse width modulation
BTC
— Botswana Telecommunications Corporation
PRI
— Priority
LIS
— Lightning Imaging Sensor
WSDL
— Web Services Description Language
ACC
— Area Control Center
NNM
— Network Node Manager
MSI
— Maritime Safety Information
MMC
— Microsoft Management Console (Microsoft)
CAM
— Content Addressable Memory
BCH
— Bose-Chaudhuri-Hocquenghem Coding
CGI
— Cell Global Identity
2G
— Second Generation Wireless Systems
CSU
— Channel Service Unit
EMEA
— Europe, Middle East and Africa
VCI
— Virtual Channel Identifier
TELNET
— Telecommunications Network Protocol
PDT
— Portable Data Terminal
CER
— Cell Error Ratio
4G
— Fourth Generation Wireless Systems
SG
— Signaling Gateway (IETF)
GI
— Graded-Index
PAM
— Payload Assist Module
RIPE NCC
— Reseaux IP Europeens Network Coordination Centre
RMON
— Remote Monitoring
DCS
— Digital Cellular System
ACF
— Advanced Communications Function (IBM)
CIAC
— Computer Incident Advisory Capability
ROW
— Rest Of World
SZ
— Seizure
TM
— Thematic Mapper (Landsat)
MOL
— Manned Orbiting Laboratory
ER
— Extended Range
DAC
— Digital-To-Analog Converter
NTDS
— Naval Tactical Data System
SIL
— Solid Immersion Lens
JAN
— Joint Army-Navy
AAS
— advanced automation system (FAA)
DL
— Digital Library
ERL
— Echo Return Loss
DPDU
— Data Protocol Data Unit
STM
— Scanning Tunneling Microscopy
SIMT
— Système interbancaire marocain de télécompensation
TSO
— Telecommunications Service Order
HFC
— Hybrid Fiber Coaxial
SSMA
— Spread-Spectrum Multiple Access
IPS
— InPlane Switching
DEC
— Decimal
ADN
— Abbreviated Dialing Number
TCM
— Trellis-Coded Modulation
CLDC
— Connected Limited Device Configuration
TC
— Transmission Convergence (ATM)
RDBMS
— Relational Data Base Management System (Oracle)
ES
— Emergency Service
EIR
— Excess Information Rate
SPM
— Scanning Probe Microscope
IEC
— Interexchange Carrier
DL
— Data Link
RMS
— Resource Management System
LT
— Less Than
DS-0
— Digital Signal, Level 0
PBT
— Polybutylene Terephthalate
DLP
— Data Link Processor
LCR
— Least Cost Routing
EBS
— Electron Bombarded Silicon
IWF
— Interworking Function
RSS
— Radio Service Software (Motorola)
METRO
— Metropolitan
CDC
— Connected Device Configuration
TACACS
— Terminal Access Controller Access Control System
HTML
— Hyper-Text Markup Language
SIM
— Subscriber Identity Module
MSC
— Mobile Switching Center
SL
— Single Line
MRT
— Medical Response Team
DAS
— Data Acquisition System
DPL
— Digital Power Line
WARC
— World Administrative Radio Conference
FIOS
— Fiber Optic Services
B3G
— Beyond Third Generation
ARPANET
— ARPA Network
FTNS
— Fixed Telecommunications Network Services
MBWA
— Mobile Broadband Wireless Access
PE
— Probable Error
IDF
— Independent Distribution Frame
E
— Electra
CB
— Common Battery
PUC
— Public Utility Commission (electricity)
BBM
— Blackberry Messenger
AFI
— Authority and Format Identifier
TSR
— Telecommunications Service Request
DEM
— Digital Elevation Model
C
— Cost
CNG
— Fax Calling Tone
SISIR
— Singapore Institute of Standards and Industrial Research
DL
— Downlink Message
NAK
— Negative Acknowledge
WSFL
— Web Services Flow Language
BCDIC
— Binary Coded Decimal Interchange Code
TTY
— Text Teletype
IAT
— Integrated Access Terminal
PTT
— Push to Talk Testing
ASDE
— Airport Surface Detection Equipment
CIP
— Continuous Improvement Program
EA
— Extended Address Field Bit
NWK
— Network
SEC
— Software Engineering Center
TLK
— Talk
Q
— Quadrature
CNG
— comfort noise generation
ESPN
— Entertainment and Sports Programming Network
OTDOA
— Observed Time Difference of Arrival
RT
— Response Time
OWS
— Operator Work Station
DPCM
— differential pulse code modulation
PTO
— U.S. Patent And Trademark Office
PARC
— Palo Alto Research Center
DC
— Display Controller
SRR
— Search and Rescue Region
IPS
— Instructions Per Second
HFC
— Hybrid Fiber/Coaxial network
CQA
— Certified Quality Auditor
NEMP
— Nuclear Electromagnetic Pulse
NCP
— Network Control Program
DL
— Definition List
MOD
— Modify
MSW
— Most Significant Word
CPE
— Customer Premise Equipment
STM
— Synchronous Transfer Mode
RCC
— Radio Common Carrier
DPL
— Digital Private-Line
S/N
— Signal-to-Noise ratio
MTD
— Moving Target Detection
ST
— Such That
EIR
— Equipment Identity Register
EU
— End User
DOCSIS
— Data over Cable Service Interface Specification
CALEA
— Communications Assistance for Law Enforcement Act
ESN
— Electronic Serial Number
L2TPV3
— Layer 2 Tunneling Protocol Version 3
SAI
— Serving Area Interface
NTU
— Network Termination Unit
ATS
— Air Traffic Services
NLM
— NetWare Loadable Module
CPC
— Calling Party Control
DICOM
— Digital Imaging and Communications in Medicine
BUFR
— Binary Universal Form for the Representation (of data)
CP
— Cell Phone
MFLOPS
— Millions of Floating Point Operations per Second
TRS
— Trunked Radio Systems
CDDI
— Copper Distributed Data Interface
DDLD
— Direct Dial Long Distance
ANC
— Access Network Controller
STU
— Secure Telephone Unit
TD-CDMA
— Time Division - Code Division Multiple Access
VT
— Vacuum Tube
SR
— Slow Release
NT
— New Technology, also Windows NT
SSAP
— Source Service Access Point
CVR
— Crystal Video Receiver
AIF
— Audio Interchange Format
RDMA
— Remote Direct Memory Access
CAR
— committed access rate
FCA
— Free Carrier Alongside
2W
— 2-Wire
NTE
— Network Terminating Equipment
SSM
— Synchronization Status Message
DIV
— Divisionsion
SFN
— Single Frequency Network
ARSR
— Air Route Surveillance Radar
RLS
— Recursive Least Squares
UBR
— Unspecified Bit Rate
FITL
— Fiber-In-The-Loop
ATA
— Analog Telephone Adapter
APDU
— Application Protocol Data Units
VPA
— Valid Peripheral Address
AMA
— automatic message accounting
FRS
— Frame Relay Service
FHSS
— Frequency Hopping Spread Spectrum
PS
— Product Specification
ADPCM
— Adaptive Differential Pulse Code Modulation
UMTS
— Universal Mobile Telecommunication System
MDM
— Mobile Device Management
FEA
— Finite Element Analysis
CCNA
— Cisco Certified Network Administrator
VLSI
— Very Large-Scale Integration
SPX
— Sequenced Packet Exchange
SPE
— Synchronous Payload Envelope
CMRS
— Commercial Mobile Radio Service
AIT
— Automatic Identification Technology
PTP
— Point To point Protocol
SCO
— Synchronous Connection Oriented
2G
— Second generation cellular
FTTC
— Fiber To The Curb光纤到路边
URN
— Uniform Resource Namespace
MTA
— Message Transfer Agents (Internet)
VOA
— Voice Of America
NDS
— Novell Directory Services
BSID
— Base Station Identity
OSP
— Outside Plant
VC
— Virtual Circuit (ATM)
BSS
— Base Station Subsystem
NTSC
— National Television Standards Committee
ABM
— Asynchronous Balanced Mode
SM
— Service Module
VSAM
— Virtual Storage Access Method
BSS
— Basic Service Set
RSN
— Regional Service Network
CSIRO
— Commonwealth Scientific and Industrial Research Organization
SIL
— Silence
DNU
— Do Not Use
PTT
— Push to Talk Technology
UP
— User Profile
DBRNC
— deciBel Relative to Noise in a Circuit
L2F
— Layer 2 Forwarding protocol
PMP
— Project Management Professional
CCLC
— Carrier Common Line Charge
SA
— Selective Availability (on GPS transmissions)
MNP
— Mobile Number Portability
DACS
— Digital Access Cross-connect System
DMT
— Discrete Multi-Tone Technology
MGC
— Multimedia Gateway Controller
MBE
— Molecular Beam Epitaxy
AM
— Activity Manager
DCA
— Dynamic Channel Assignment
CCITT
— Comit? Consultatif International T?l?graphique et T?l?phonique
ASN.1
— Abstract Syntax Notation 1
LD
— Laser Diode
ALT
— Accelerated Life Test
CTI
— Computer Telephony Integration
L2TP
— Layer 2 Tunneling Protocol
GDK
— GIMP (GNU Image Manipulation Program) Drawing Kit
O/S
— Operating System
STD
— Secondary Telecom District
UPT
— Universal Personal Telecommunications
PSN
— Public Switched Network
MIDP
— Mobile Information Device Profile
CAAS
— Communications-as-a-Service
SSRC
— Synchronization Source
ARCNET
— Attached Resource Computer Network
CSC
— Common Signaling Channel
RADARSAT
— Radar Satellite
PTT
— Push to Talk Taster
LUNT
— Line Unit Network Termination
LMDS
— Local Multipoint Distribution Service
TDWR
— Terminal Doppler Weather Radar
IOC
— Inter-Office Channel
VTAM
— Virtual Telecommunication Access Method
FDL
— Facility Data Link
CGA
— Color Graphics Adapter
IRF
— Impulse Response Function
ATSC
— Advanced Television Systems Committee
HSPA
— High Speed Packet Access
FCFS
— First-Come, First-Served
EPP
— Enhanced Parallel Port (PC)
SCM
— Single-Carrier Modulation
CGA
— Carrier Group Alarm
PNP
— Positive-Negative-Positive
VPWS
— Virtual Private Wire Service
DA
— deca
VAN
— Value-Added Network
SF
— Single Frequency
CS
— Convergence Sublayer (ATM)
TUR
— Trunk Utilization Report
SCCP
— Signalling Connection Control Part
IRC
— International Record Carrier
FMS
— Fraud Management System
MSDP
— Multicast Source Discovery Protocol
PVC
— Permanent Virtual Connection
MILNET
— Military Network
DII
— Dynamic Invocation Interface
BUS
— Broadcast and Unknown Server
MV
— Motion Vector
SEM
— Scanning Electron Microscopes
UAT
— Universal Access Transceiver
MTI
— Moving Target Indicator
TBPS
— Terabits Per Second
TC
— Technical Committee (HL7)
ECS
— Environmental Control System (Subsystem)
TSP
— Telecommunications Service Priority
DDL
— Digital Data Link
SM OFC
— Single-Mode Optical Fiber Cable
LSAP
— Link Service Access Point
XC
— Cross-Connect
C
— Collector
CGSA
— Cellular Geographic Service Area
E
— Echo
ECM
— Error Correction Model
USRT
— Universal Synchronous Receiver/Transmitter
SE
— Southeast
MAG
— Mobile Access Gateway
3-D
— 3-Dimensional
FIRST
— Forum of Incident Response and Security Teams (CERT)
MAP
— Mobile Application Part
PSNEXT
— Power Sum Near End Cross Talk
B8ZS
— Binary Eight Zero Substitution
CAP
— Capability
AS
— Access System
SS1
— Signalling System 1 (500/20 Hz tones)
BMS
— Business Management System
CCR
— Customer Controlled Reconfiguration (Sprint)
MITI
— Ministry of International Trade and Industry
LBR
— Low Bit Rate
BS
— Broadcast Satellite
BHCA
— Busy Hour Call Attempts
GBT
— Ground Based Tower
CONUS
— Contiguous United States
SMR
— Specialized Mobile Radio
FRS
— Family Radio Service
QOI
— Quality of Information
MAU
— Multistation Access Unit
PLL
— Phase Locked Loop
RADIUS
— Remote Authentication dial In User Service
LANE
— Local Area Network Emulation
DHD
— Dial Home Device
CSAR
— Combat Search and Rescue
ARM
— Asynchronous Response Mode
BWD
— backward
PCI
— Personal Computer Interface
DM
— Domain Model
WAAS
— Wide Area Augmentation System
NRP
— Network Resource Planning
TAD
— Telephone Answering Device
SB
— Switchboard
SDNS
— Secure Data Network System
BS
— Backing Store
ANS
— Advanced Network Services
DPNSS
— Digital Private Network Signaling System
JISC
— Japanese Industrial Standards Committee
PC
— Peripheral Controller
ACP
— Access Control Point
LN
— Line
DFG
— difference-frequency generation
M/W
— MicroWave
ATCA
— Advanced Telecom Computing Architecture
VISSR
— visible and infrared spin scan radiometer (GOES)
CPC
— Continous Packet Compression
VPX
— Virtual Path Cross-Connect
LASINT
— Laser Intelligence
FEBE
— Far End Block Error (SONET)
EM
— Electromigration
DOR
— Detailed Outage Report
RDS
— Rate Determining Step
CB
— Citizens' Band
SRM
— Scalable Reliable Multicast
3G
— 3rd Generation Wireless Format
SYSADM
— System Administrator
BCS
— British Computer Society
BSS
— Base Station System
PIM
— Protocol Independent Multicast
REPT
— Report
ZCZ
— Zero Correlation Zone
ALB
— Analog Loopback
ETN
— Electronic Tandem Network
COO
— Cell of Origin
GRX
— GPRS Roaming Exchange
STD
— Subscriber Trunk Dialing
MC/MIC
— Mode Common/Mode Indicate Common
MLM
— Multi-Longitudinal Mode
IS 41
— Interim Standard 41 (Inter-Cellular Network Communication Protocol)
PCS
— Personal Communications Services
DTN
— Data Transfer Network
WVPN
— Wireless Virtual Private Network
MAI
— Multiple Access Interference
BSA
— Basic Service Area
DMI
— Distributed Management Interface
CIS
— Computer and Information Science
ARD
— Automatic Ring Down
DGPT
— Directorate General of Posts and Telecommunications
DQDB
— Distributed Queue Dual Bus
IT
— Integration Test
CRB
— Cramer-Rao Bound
IPRC
— Intellectual Property Rights Committee
OLS
— Optical Line System
CLI
— Calling Line Identification
AVR
— Automated Voice Response
SDU
— Signal Distribution Unit
#
— Number sign, octothorp; special function key
ANSI-41
— ANSI standard for mobile management
ENV
— Environment
SAF
— System Access Fee
SCR
— Sustainable Cell Rate
FOIP
— Fax Over Internet Protocol
CASE
— Computer-Aided Software Engineering
DMS
— Defense Messaging System
CALS
— Computer Aided Acquisition and Logistic Support
RM-ODP
— Reference Model for Open Distributed Processing
PHY
— Physical Layer
NMC
— Network Management Center
ISG
— Information Systems Group
CS-PDU
— Convergence Sublayer - Protocol Data Unit
PSK
— Phase Shift Key
CGI
— Computer Graphics Interface
DUV
— Data-Under-Voice
SQ
— Service Quality
ADC
— Administration Center
SAS
— Special Access Surcharge
OSCAR
— Orbiting Satellite Carrying Amateur Radio
WTP
— Wireless Transaction Protocol
LOO
— Likelihood of Occurrence
FTS
— Federal Telecommunications System
DFE
— Design For Environment
BIND
— Berkeley Internet Name Domain
DXI
— Data Exchange Interface
INMS
— Integrated Network Management System
TSE
— Toronto Stock Exchange
MPI
— Minimum Picture Interval
RDT
— Remote Digital Terminal
IG
— Interface Group
BOSS
— Binary Object Storage System
TMS
— Time Management System
KTS
— Key Telephone System
LASA
— Large Aperture Seismic Array
TEI
— Terminal Endpoint Identifier
CLK
— Clock
PSS
— Performance Support System
SSM
— Spread Spectrum Modulation
NAU
— Network Addressable Unit
CACM
— Communications of the ACM
SPIN
— Service Provider Identification Number
CS
— Central Station
NA
— Network Adapter
TOU
— Time of use (rate) (electricity)
FIFO
— first-in, first-out
IPM
— Inches Per Minute
ATRAC
— Adaptive Transform Acoustic Coding
LSI
— Large-Scale Integration
AAL5
— ATM (Asynchronous Transmission Mode) Adaptation Layer 5
ACE
— Adaptive Communication Environment
COT
— Central Office Terminal
MTS
— Message Transfer System
*
— Star, special function key
ADC
— Access Deficit Charge
CDV
— Cell Delay Variation(ATM)
3GSM
— Third-generation Global System for Mobile (communications)
DF
— Direction Finding or Finder
OODBMS
— Object-Oriented Database Management Systems
PY
— person-year
WIS
— WAN (Wide Area Network) Interface Sublayer
TLT
— Test Loop Translator
AWT
— Agence Wallonne des Télécommunications
LP
— Line Pair
DDD
— Direct Distance Dialing
LIM
— Line Isolation Monitor
SAR
— Segmentation and Reassembly (ATM)
VG
— Voice Grade
GFC
— Generic Flow Control (ATM)
DE
— Discard Eligibility (ATM)
EMR
— Electromechanical Relay
SETI
— Search for Extraterrestrial Intelligence
XRF
— X-Ray Fluorescence
EDFA
— Erbium-Doped Fiber Amplifier
DSSSL
— Document Style Semantics and Specification Language
TAM
— Telephone Answering Machine
EGSM
— Extended Global System for Mobile Communications
ETF
— Early Termination Fee
WRED
— Weighted Random Early Detection
3G HSPA
— Third-Generation High-Speed Packet Access
BAP
— Bandwidth Allocation Protocol
WDN
— Wireless Developer Network
Z
— Zulu Time
BIOS
— Basic Input-Output System
CND
— Calling Number Display
BAN
— Building Area Network
EVA
— Electronic Video Agent
HDTV
— High-Definition Television
CERN
— Conseil Europeen Pour La Recherche Nucleaire
SRL
— Singing Return Loss
CPG
— Converged Packet Gateway
OXCO
— Oven-Controlled Crystal Oscillator
CCA
— Carrier-Controlled Approach
ELFEXT
— Equal-Level Far-End Cross-Talk
DXC
— Digital Cross Connect
PLCP
— Physical Layer Convergence Procedure
AECT
— Association for Educational Communications and Technology's
LCGN
— Logical Channel Group Number
TRS
— Telecommunications Relay Service
BABT
— British Approvals Board for Telecommunications
A/C
— Air Conditioner
OSA
— Open System Architecture
DDU
— Disk Drive Unit
WDA
— Wireless Digital Assistant
SAT
— Satellite
O
— objective
EST
— Electroshock Therapy
DM
— Differential Mode
TSB
— Telecommunication Standardization Bureau
SCH
— Synchronization Channel
OML
— Object Model Library
WNMS
— Wireless Network Management System
TACSAT
— Tactical Satellite
ETOC
— Electronic Table of Contents
SIA
— Securities Industry Association
S/D
— Source/Drain
OOK
— On/Off Keying
DSI
— Digital Speech Interpolation
PTM
— Packet Transport Mode
CCSA
— Common Control Switching Arrangement
GERAN
— GSM (Global System for Mobile communications) Edge Radio Access Network
DUN
— Dial-Up Networking
ILEC
— Incumbent Local Exchange Carrier
TOC
— Telecommunication Operations Center
PSO
— Professional Services Organization
DARTS
— Design Approach for Real-Time Systems
EBIC
— Electron Beam Induced Current
ECTF
— Enterprise Computer Telephony Forum
ISI
— Intersymbol Interference
CAMEL
— Customized Applications for Mobile-network Enhanced Logic
PMT
— Photo Multiplier Tube
CDV
— Compressed Digital Video
X
— X Window System
3GPP
— Third-Generation Partnership Project
DAC
— Digital to Analog Converter-Audio
FEAT
— Feature
WAYP
— White and Yellow Pages
UNI
— User-Network Interface
SNIX
— Single Noise Interference Xterminator
MBMS
— Multimedia Broadcast/Multicast Service
MR
— Mobile Router
P
— Priority
INE
— Intelligent Network Element
FAW
— Frame Alignment Word
HEC
— Header Error Control
DTI
— Digital Trunk Interface
N-AMPS
— Narrowband Advanced Mobile Phone System
RXQUAL
— Received Signal Quality
CBQ
— Class-Based Queuing
FAT
— Final Acceptance Testing
TBCD
— Telephony Binary Coded Decimal
ALI
— Automatic Location Information
VAD
— Voice Activity Detection
FTTK
— Fibre To The Kerb
RSL
— Restricted Service License
GSTN
— General Switched Telephone Network
SMMR
— Scanning Multichannel Microwave Radiometer
CIP
— Carrier Identification Parameter
FGD
— Feature Group D
DMT
— Discrete Multi-tone Transmission
RLC
— Radio Link Control
CAS
— Column Address Strobe
BONDING
— Bandwidth On Demand Interoperability Group
GTB
— Global Telecom Brokers
NAM
— Number Assignment Module
LSP
— Label Switched Path
SPID
— Service Profile Identifier
SR
— Service Request
COM
— Comedy Central
BCST
— Broadcast
DXF
— Data Exchange Format
ZD
— Zero Defects
MO
— Magneto-optic
DMT
— Discrete Multi-Tone
LDN
— Local Directory Number
V
— Variable
SMS
— System Management Server
DAP
— Distributed Array Processor
TEL & TEL
— TELephone and TELegraph
NETBIOS
— Network Basic Input-Output System
RAU
— Remote Access Unit
EV
— electronvolt
LFTYR
— Ley Federal de Telecomunicaciones y Radiodifusión
SCCS
— Switching Control Center System
MMM
— Mobile Media Mode
RNR
— Receive Not Ready
DAS
— Distributed Antenna System
BT
— Bluetooth Tablet
CT
— Computer Terminal
DCF
— Distributed Coordination Function
HUACA
— Hang Up And Call Again
BORSCHT
— Battery feed, Overvoltage protection, Ringing, Signaling, Coding, Hybrid, and Testing
DLT
— Delete
HUP
— Hook-UP
NAP
— Network Access Point
CEPT
— Conférence Européenne des Administrations des Postes et des Télécommunications
WSP
— Wireless Session Protocol
TAX
— Trunk Automatic Exchange
STA
— Science and Technology Agency (Japan)
IXC
— interexchange carrier
EDSX
— Electronic Digital Signal Cross-Connect
SCCP
— Signaling Connection Control Point
RS
— Receive Signature
MOS
— Metal Oxide Semiconductor (FET Devices)
F/W
— Firmware
SN
— Service Number
CFR-47
— Code of Federal Regulations Title 47 (FCC)
PLCP
— Physical Layer Convergence Protocol (ATM)
ATD
— Advanced Technology Demonstration
EFCI
— Explicit Forward Congestion Indication (ATM)
ECDIS
— Electronic Chart Display Information System
CU
— Cooling Unit
WFA
— Wait for Answer
FGA
— Feature Group A
KSPS
— KiloSymbols Per Second
BA
— Behaviour Aggregate
RS-422
— Recommended Standard 422 (ANSI/EIA standard for transmitting serial data)
FRF-LMI
— Frame Relay Forum - Local Management Interface
SLIC
— Subscriber Line Interface Circuit
VNL
— Via Net Loss
ACU
— Automatic Calling Unit
OST
— Office of Science and Technology
CCR
— Current Cell Rate (ATMF)
DLU
— Digital Line Unit
CBWFQ
— Class Based Weighted Fair Queueing
SLV
— Satellite-Launch Vehicle
MNOS
— Metal-nitride-oxide Semiconductor
DCMES
— Dublin Core Metadata Element Set
COMB
— Combined
4WA
— Four Wire Analog
LOP-P
— Loss Of Pointer - Path
CAM
— Common Access Method
USF
— Universal Service Fund
SMT
— station management (protocol)
RWIN
— Receive Window
FDOA
— Frequency Difference Of Arrival
AAV
— Alternate Access Vendor
CSR
— Customer Service Request
MGCP
— Multimedia Gateway Control Protocol
ADCCP
— Advanced Data Communication Control Procedures
CP
— Call Processing
FOC
— Fiber-Optic Cable
UTL
— Utility
WSP
— Wireless Service Provider
IMPI
— IP (Internet Protocol) Multimedia Private Identity
LCAS
— Link Capacity Adjustment Scheme
DMT
— Digital-Discrete Multi-Tone
PT
— Payload Type (ATM)
WSA
— Wireless Security Auditor
SS7
— Signaling System 7
ARPT
— Autorité de Régulation des Postes et Télécommunications
NHRP
— Next Hop Resolution Protocol (ATM)
SCU
— System Control Unit
MLA
— Modern Language Association
SD
— Speed Dial
PMOS
— P-channel Metal Oxide Semiconductor
LIF
— Logical Interchange Format
DSU
— Digital Service Unit
IMP
— Interface Message Processor
DNI
— Data Network Interface
FOD
— Fax on Demand
EMF
— Event Management Framework
DNC
— Do Not Call
BRAN
— Broadband Radio Access Network
ASAS
— All-Source Analysis System
BATM
— Basic Telecommunication Access Method
TON
— IEEE/ACM Transactions On Networking
UTRAN
— UMTS (Universal Mobile Telecommunication System) Terrestrial Radio Access Network
BSC
— Base Station Controller
3GIP
— Third Generation Internet Protocol
AP
— Action Point
PDL
— Positioning Data Link
RTC
— Real-Time Control
CIC
— Carrier Identification Code
3G
— Third Generation (mobile communication system)
LRQ
— Location Request
AWG
— arrayed waveguide grating
DDI
— Direct Dialing Incoming
NRZ
— Nonreturn To Zero
AQP
— Association for Quality and Participation
A/D
— Analog-to-Digital converter
SASL
— Simple Authentication and Security Layer
ALOC
— Average Length Of Call
BDSL
— Broadband Digital Subscriber Line
LSC
— Link State Control
NC
— Network Computer (PC Internet)
RICK
— Repeater Interface Communications Kit
FTTP
— Fiber To The Premises
BIC
— Bus Interface Controller
TDM
— Time Division Multiplexing
QSTN
— Question
KEK
— Key Encrypting Key
UCM
— Use Case Map
SH
— Shell
TRIG
— Trigger
DPT
— Dynamic Packet Transport
BOA
— Basic Object Adapter
TX
— Transmit
VFL
— Visual Fault Locator
VCT
— Variable Cam Timing
BTN
— Billing Telephone Number
CACH
— Call Appearance Call Handling
ADPC
— Automatic Data Processing Center
DCAS
— Downloadable Conditional Access System
SIM
— Subscriber Identification Module
GAN
— Global Area Network
RNX
— Restricted Numeric eXchange
FGDC
— Federal Geographic Data Committee's
FAC
— Forced Authorization Code
BCSM
— Basic Call State Model
SN
— Stock Number
CDA
— Communications Decency Act's
FB
— Fine Business
ACF
— Access Coordination Function
LH
— Link Handler
VPC
— Virtual Path Connection (ATM)
NF
— Noise Factor
SAPI
— Service Access Point Identifier
ASD
— Alternative Service Delivery
DLL
— Digital Local Line
IDCP
— Internet Device Control Protocol
TP-PMD
— Twisted Pair Physical Medium Dependent
NIMH
— Nickel-Metal Hydride
AIS-L
— Alarm Indication Signal - Line
AAL
— ATM (Asynchronous Transmission Mode) Adaptive Layer
RPCU
— Radio Port Control Unit
BNCC
— Base Network Control Center
LORAN
— Long Range Aid to Navigation System
AAP
— Alternate Access Provider
ADM
— Administration, Office of
GOSIP
— Government Open Systems Interconnection Profile
MH
— Message Handler
GOSIP
— Government Open System Interconnection Profile
CIP
— Channel Interface Processor
CLP
— Cell Loss Priority (ATM)
TCAM
— Telecommunications Access Method
EF&I
— Engineering, Furnishing and Installation
MDN
— Mobile Directory Number
CPH
— Call Party Handling
WTS
— Wireless Telecommunications Symposium
ISSI
— Inter-Switching System Interface
FXS
— Foreign Exchange Subscriber
MA
— Maintenance Action
TSG
— Telephone Security Group
CTE
— Computer Telephony Engineer
TDRS
— Tracking and Data Relay Satellites
SMSC
— Short Message Service Center
LB
— Local Battery
CDM
— Conceptual Data Model
SDN
— Software Defined Network
P2P
— Person-to-Person
UMTS
— Universal Mobile Telecommunications Standard
FDI
— Feeder Distribution Interface
EVC
— Electronic Voucher Charging
VN
— Virtual Network
CRV
— Call Reference Value
CLCC
— Ceramic Leaded Chip Carrier
MFC
— Multi-Frequency Code
EDC
— Electronic Dispersion Compensator
EECM
— End-to-End Call Manager
MMDS
— Multichannel Multipoint Distribution Service
CTIA
— Cellular Telecommunications Industry Association
ATU-C
— ADSL (Asymmetric Digital Subscriber Line) Transceiver Unit - Central office end
FNN
— Full National Number
CCCH
— Common Control Channel
UNI
— User Network Interface
WE
— Western Electric
CE
— Channel Element
JSC
— Joint Scientific Committee (ICSU, WCRP, and WMO)
PACS
— Personal Access Communications System
LEED
— Low-energy Electron Diffraction
WFT
— Wireline Formation Test
SDSL
— Symmetrical Digital Subscriber Line
FLL
— Fixed-Loss Loop
UNO
— Universal Network Operations
ICL
— Inserted Connection Loss
SLBM
— Submarine-launched ballistic missile
TP
— Transition Point
DTE
— Digital Terminal Equipment
DNA
— Digital Network Architecture
ETSI
— European Telecommunications Standards Institute
INTELSAT
— International Telecommunications Satellite
DNSIX
— Defense Network Security Information Exchange
LCP
— Local Control Point
EKTS
— Electronic Key Telephone Set
TRX
— Tandem Repeater eXchange
GMSS
— Global Mobile Satellite System
TU
— Transmission Unit
ACA
— Adaptive Channel Allocation
ILETS
— International Law Enforcement Telecommunications Seminar
100VG
— 100 Voice Grade (IEEE 802.12 AnyLAN Standard)
AB
— Answer Back
CON
— Concentrator
ETOM
— Enhanced Telecom Operations Map
RDSS
— Radio Determination Satellite Service
PTI
— Payload Type Indicator
FPLMTS
— Future Public Land Mobile Telecommunications System
DRQ
— Disengage Request
PMMA
— Polymethyl Methacrylate
SSU
— Stratospheric Sounding Unit (TOVS)
802.11 HR
— High data Rate IEEE 802.11 Wireless LAN protocol
ATB
— Above-Ground Telecommunications Backbone
FCA
— Fixed Channel Allocation
BHA
— Busy Hour Attempts
UAN
— Universal Area Network
LMT
— Lightwave Microcell Transceiver
IBS
— In-Building Solutions
DC
— Device Control
LAPB
— Link Access Protocol-Balanced
WAE
— Wireless Application Environment
NANP
— North American Numbering Plan
DOV
— Data-Over-Voice
MIN
— Mobile Identification Number
PMT
— Program Management Team
CV
— Coding Violation
VADB
— Virtual Auto Dial Backup
PTCL
— Pakistan Telecommunication Company Ltd
MF
— Multiple Frequency
ROSE
— Remote Operations Service Element
EM
— Element Manager
SCR
— System Change Request
NSE
— Network Software Environment
AARQ
— A-Associate Request
AAL2
— ATM (Asynchronous Transmission Mode) Adaptation Layer 2
BPP
— Billed Party Preference
DTAP
— Direct Transfer Application Process
FFH
— Fast Frequency Hopping
WBMP
— Wireless Bitmap
WIVO
— WIreless VelOcity
MC
— Maintenance Control
APPN
— Advanced Peer-to-Peer Network
CMIS
— Common Management Information Service
BOM
— Bit-Oriented Message
MCD
— Community Care Access Centre
TAPI
— Telephony Application Programming Interface
DS-3
— Digital Signal, Level 3
GTM
— Go to Meeting
CDPD
— Cellular Digital Packet Data
BB
— Blackberry
MP
— Modulation Parameter
SMS
— Service Management System
LOB
— Line Of Bearing/Balance
MERIS
— medium-resolution imaging spectrometer
DPA
— Distributed-Power Architecture
CAPTAIN
— Character And Pattern Telephone Access Information Network
TCS
— Telephony Control Specification
DTU
— Date/Time Update
RRC
— Root Raised-Cosine
LDI
— Long Distance Interconnect
EC-N
— Electrical Carrier (n=a number, e.g., EC-4)
LLA
— Link Level Access
STMR
— Sidetone Masking Rating (telecommunications)
AWS
— Advanced Wireless Services
C²
— Command and Control
ATTRA
— Appropriate Technology Transfer for Rural Areas
AAV
— Alternative Access Vendor
SINS
— Ship’s Inertial Navigation System
SOR
— Statement of Requirements
AIS-P
— Alarm Indication Signal - Path
BASIZE
— Buffer Allocation Size
CYTA
— Cyprus Telecommunications Authority
DMNG
— Digital Mobile News Gathering
VSM
— Vestigial Sideband Modulation
RCP
— Right-Hand Circular Polarization
CD-ROM
— Compact Disk-Read-Only Memory
TCB
— Telecommunication Certification Body
ADM 3X
— DS3 Add-Drop Multiplex
CPOP
— Circuit Precedence Over Packet data
VLP
— Very Low Power
SOH
— Section Overhead
QOTS
— Quality Of Telephone Services
NCF
— Network Control Facility
SGSN
— Serving GPRS (General Packet Radio Service) Support Node
DE
— Discard Eligible
RSL
— Remote Serial Link
BIS
— Brought Into Service
B-CPE
— Broadband Customer Premises Equipment
AOS
— Alternate Operator Service
LCF
— Location Confirm
FLN
— Fixed Line Network
CELP
— Code Excited Linear Prediction
E
— Exchange
VCC
— Voice Call Continuity
SSN
— Switched Service Network
CSDU
— Core Service Data Unit
UMTS
— Universal Mobile Telecommunications Service
TRANSEC
— Transmission Security
GSM-R
— Global System for Mobile (communications) – Rail
ULL
— Unbundled Local Loop
ARS
— Automatic Route Selection
TSI
— time-slot interchange
STD
— Standard Deviation
CCS
— Common Command Set
TESMA
— Telecommunications Equipment and Services Master Agreement
4WAI
— Four-Wire Analog Interface
TCAP
— Transaction Capabilities Application Part
ATS
— Abstract Test Suite
ADF
— Application Dedicated File
DME
— Distributed Management Environment (OSF)
LCU
— Lightweight Computer Unit
OS/2
— Operating System/2
RAD
— Recorded Announcement Device
AIU
— Analog Interface Unit
LDM
— Limited Distance Modem
CRBT
— Color Ring Back Tone
VSAT
— Very Small-Aperture Terminal
TD
— Transmit Data
LTU
— Line Terminating Unit
SMU
— Service Management Unit
LS
— Loop Start
ATB
— All Trunks Busy
SBX
— Small Business Exchange
ET
— Electronic Transmission
ICI
— Interexchange Carrier Interface
AEA
— American Electronics Association's
BREW
— Binary Runtime Environment for Wireless
AOC
— ADSL (Asynchronous Digital Subscriber LIne) Overhead Control channel
ARFA
— Allied Radio Frequency Agency
VLR
— Visitor Location Register
CCS
— Call Center Service
ESCON
— Enterprise System Connection
MBS
— Maximum Burst Size (ATM)
AMTFT
— Active Matrix Thin Film Transistor
RTU
— Right to Use
EC
— Equipment Controller
DPBX
— Digital Private Branch Exchange
SYNC
— Synchronization
PGP
— Pretty Good Protection (encryption)
WRT/R
— Wireless Transmitter/Receiver
DS-1
— Digital Signal, Level 1
LPDP
— Local Policy Decision Point
WVOIP
— Wireless Voice over Internet Protocol
VTIR
— visible and thermal infrared radiometer
PSLV
— Polar Satellite Launch Vehicle (Indian Space Research Organization; India)
CMA
— Communications Management Association
BT
— Burst Tolerance
BUS
— Business Units
AIS-V
— Alarm Indication Signal - Virtual
SN
— Switching Network
CLF
— Carrier Line Failure
ILD
— International Long Distance
WTNM
— Working Telephone Number Management
CFOT
— Certified Fiber-Optic Technician
BHCC
— Busy Hour Call Completions
CBMS
— Computer-Based Message System
BAF
— Bellcore AMA (Automatic Message Accounting) Format
LULT
— Line Unit/Line Termination
ESM
— electronic support measure
ALCAP
— Access Link Control Application Protocol
WIN
— Wireless Intelligent Network
CSLIP
— Compressed SLIP
RADSL
— Rate Adaptive Digital Subscriber Line
WATS
— Wide Area Telecommunications Service
SRA
— Seamless Rate Adaptation
REG
— range extender with gain
DOD
— Direct Outward Dialing
CRS
— Cell Relay Service
IMT-2000
— International Mobile Telecommunications 2000
SNI
— Subscriber Network Interface
CCCI
— Command, Control, Communications and Intelligence
MPU
— Main Processor Unit
NICT
— National Institute of Information and Communications Technology
DTL
— Defense Telephone Link
VGF
— Voice Grade Facility
FI
— Format Identifier
VOB
— Voice Over Broadband
TJB
— Telephone Junction Box
BSC
— Bi-Synchronous Communications
SDLC
— Systems Development Life Cycle
NICAD
— Nickel Cadmium
JWG
— Joint Working Groupof
DECCO
— DISA Defense Commercial Communications Office
BPSK
— Binary Phase-shift Keying
ZBTSI
— Zero Byte Time Slot Interchange
OTF
— On-The-Fly (data acquisition method)
VOFR
— Voice Over Frame Relay
MA
— Message Analysis
PTM
— Point-To-Multipoint
DECT
— Digital Enhanced Cordless Telecommunication
PTE
— Path Terminating Equipment (SONET)
CD ROM
— Compact Disc Read-Only Memory
WNAN
— Wireless Neighborhood Area Network
GRUB
— Greedy Reclamation of Unused Bandwidth
TEM
— Transmission Electron Microscope
CRTS
— Cellular Radio Telecommunications Service
ET
— Exchange Terminal
AFCEA
— Armed Forces Communications and Electronics Association's
CFS
— Call for Service
CCS
— Common Channel Signaling
FESS
— Flywheel Energy Storage System
CMS
— Conversational Monitor System
AH
— Authentication Header
DPDT
— Double-Pole Double-Throw
ADM
— Administration Building
MRCA
— Most Recent Common Ancestor
CATI
— Computer-Assisted Telephone Interviewing
RBOC
— Regional Bell Operating Company (Baby Bell)
EADAS
— Engineering and Administrative Data Acquisition System
DDU
— Digital Data Unit
CLD
— Cross-Layer Design
STE
— Section Terminating Equipment
CLLM
— Consolidated Link Layer Management
NSEP
— National Security Emergency Preparedness
AGCH
— Access Grant Channel
FC
— Frame Control
DPST
— Double-Pole Single-Throw
EEROM
— Electronically Erasable Read-Only Memory
IMTS
— Improved Mobile Telephone Service
MSG
— Management Steering Group
REN
— Ringer Equivalence Number
IVP
— Integrated Voice Protocol
PFE
— Power Feed Equipment
COP
— Character Oriented Protocol
ACM
— Address Complete Message
RFR
— Radio Frequency Radiation
IBSS
— Independent Basic Service Set
M
— Memory
CMTS
— Cellular Mobile Telephone System
COC
— Central Office Connection
RJ-11
— Registered Jack type 11 (4-wire connector)
4WE&M
— Four-Wire Ear and Mouth
RCU
— Radio Control Unit
TMF
— Telecommunications Management Forum
MIR
— Maximum Information Rate
FMR
— Follow Me Roaming
RDT
— Recall Dial Tone
UDP
— Up Down Pair
LBS
— Location-Based Services
RTB
— Retransmission Buffer
TCL
— Transverse Conversion Loss
CDVT
— Cell Delay Variation Tolerance
WFG
— Wireless Firewall Gateway
CTO
— Commonwealth Telecommunications Organisation
ANAC
— An Automatic Number Announcement Circuit
VO
— Voice Only
FPS
— Framing Pattern Sequence
TT
— Text-Telephone
NSDI
— National Spatial Data Infrastructure
UCF
— Unregistration Confirm
JWP
— Joint Working Party
IDCU
— Integrated Digital Carrier Unit
CM
— Connection Manager
MIS
— Marketing Intelligence System
ADC
— Advanced Data Control
TSC
— Test System Controller
BTP
— Business Telecom Products, Inc.
BTS
— Base Transceiver Station (cellular)
SCORM
— Shareable Content Object Reference Model
GSM
— Global System for Mobile telecommunications
DDM
— Data Distribution Manager
MEH
— Mobile-Executed Handoff
PVN
— Private Virtual Network
TWX
— Teletypewriter Exchange Service
ANSI
— Advanced Network Signaling Input
CAE
— Common Application Environment
LIDB
— Line Information DataBase
INSAT
— Indian National Satellite
ATIS
— Automatic Transmitter Identification System
OMP
— Open Management Platform
SGCP
— Simple Gateway Control Protocol
SMDR
— station message detail recording
AA
— Auto-Answer
PLE
— Path Length Efficiency
CD
— Committee Draft
RX
— Receiver
COFA
— Change Of Frame Alignment
HU
— Hook Up
WPBX
— Wireless Private Branch Exchange
CNID
— Calling Number Identification Display
IR
— International Roaming
ALI
— Automatic Location Identifier
MEECN
— Minimum Essential Emergency Communication Network
SLIC
— Subscriber Loop Interface Circuit
CPAP
— Customer Premises Access Profile
LCN
— Local Communications Network
VP
— Virtual Path (ATM)
NFR
— Near-Field Recording
MB
— Measured Business
PSDN
— Public Switched Digital Network
DIL
— Direct Inward Line
ACRE
— Authorization and Call Routing Equipment
2G
— Second-generation mobile telephone system
IPNG
— Internet Protocol, Next Generation (now called IPv6)
ATU-R
— ADSL (Asymmetric Digital Subscriber Line) Transceiver Unit - Remote terminal end
APS
— Advanced Power System
FT1
— Fractional T1
P&A
— Privacy and Authentication
PD
— Pulse Duration
CSTA
— Computer Supported Telecommunications Applications
CC
— Composite Clock (SONET)
CCH
— Common Channel Handler
EGPRS
— Enhanced General Packet Radio Service
SSU
— Synchronization Supply Unit
DDS
— Dataphone Digital Service (AT&T)
SACS
— Security Access Control System
DSVD
— Digital Simultaneous Voice and Data
TCA
— Threshold Crossing Alert
WDSL
— Wireless Digital Subscriber Line
NBP
— Name Binding Protocol
FUD
— Fair Use Doctrine
4G
— Fourth Generation
GOMP
— Get Off My Phone
CCSS6
— Common Channel Signaling System # 6
FR-SSCS
— Frame Relay Service Specific Convergence Sub-Layer
TOMS
— Telecom Operations Management System
IPXCP
— Internetwork Packet Exchange Control Protocol
RAI
— remote alarm indication
ULF
— Ultra Low Frequency
MQFP
— Metric Quad Flat Pack
APPC
— Advanced Program-to Program Communications
AEIMP
— Apple Event Interprocess Messaging Protocol
CDA
— Communications Decency Act of 1996
CLASS
— Custom Local Area Signaling Services
LRM
— Long Reach Multimode
NEF
— Network Element Function
PDSO
— Packet Data Security Overlay
WIM
— WAP (Wireless Application Protocol) Identity Module
VDSL
— VHBR (Very High Bit Rate) Digital Subscriber Line
BSRF
— Basic System Reference Frequency
ACL
— Asynchronous Connection-less Link
DPT
— Dial Pulse Terminate
MAPI
— Messaging Applications Programming Interface
SAA
— Service Adaptive Access
WDMW
— Web Directory for Mobile and Wireless
BAM
— Basic Access Module
FMS
— Fixed Mobile Substitution
CAP
— Competitive Access Provider
UCA
— Utility Communications Architecture
AVT
— Audio Visual Telecommunications
LAT
— Local Area Transport (network)
MITS
— Metaphors for Integrated Telecommunications Services
TIMS
— Telephone Information Management System
CSCW
— Computer-Supported Cooperative Work
NC
— Network Channel
RTFM
— Read The Friendly Manual
ACNA
— Access Customer Name Abbreviation
B-ISDN
— Broadband ISDN
VR
— Virtual Router
ATIS
— Alliance for Telecommunications Industry Solutions
TSDU
— Transport Service Data Unit
PROV
— Provisioning
DR
— Design Review
SR
— Scanning Radiometer
NT
— Network Termination
TMTC
— Telemetry and Telecommand
OSD
— Onscreen Display
NSN
— National Significant Number
MAPDU
— Management Application Protocol Data Unit
TP
— Telephone Pole
VTI
— Vietnam Telecom International
CRL
— Computing Research Laboratory
DDP
— Datagram Delivery Protocol
BP
— Block Parity
SQL
— Specified Quality Level
ADTM
— Asynchronous Data Transfer Mode
RCMAC
— Recent Change Memory Administration Center
VHM
— Voice Health Monitor
BCIX
— Berlin Commercial Internet Exchange
USPI
— Universal Serial Phone Interface
PNM
— Pulse Number Modulation
CSR
— Customer Service Report
PJC
— Pointer Justification Count
CLOS
— Clear Line Of Sight
TCM
— Time Compression Multiplexer
CPN
— calling party number
CNI
— Calling Number Identification
DCO
— Dial Central Office
CWTS
— China Wireless Telecommunication Standard
ANT
— ADSL Network Terminator
DS0
— Digital Signal Zero
TLC
— Television the Learning Channel
ADIF
— Accounting Data Interchange Format
ETB
— Empresa de Telecomunicaciones de Bogotá
ACMA
— Atlantic Cable Maintenance Agreement
PCCA
— Portable Computer Communications Association
CID
— Craft Interface Device
EMV
— EuroPay, MasterCard, Visa
DACS
— Digital Access Carrier System
MVDS
— Microwave Video Distribution System
DFT
— Draft
MCD
— Mobile Communications Division
PSQM
— Perceptual Speech Quality Measure
CCP
— Compression Control Protocol
VDR
— Voice Digitization Rate
SAP
— Service Advertising Protocol
LTU
— Line Termination Unit
ECSA
— Exchange Carriers Standards Association
NESC
— National Electrical Safety Code
BT
— Back Trace
MODEM
— modulation and demodulation
EDGE
— Enhanced Data for GSM (Global System for Mobile communication) Evolution
SSP
— Security Service Provider
MDRAM
— Multibank Dram
OMF
— Object Management Framework
DTW
— Dynamic Time Warping
TCC
— Transmission Control Code
USA
— Underground Service Alert
UIT
— Union Internationale des Télécommunications
CDR
— call detail recording
NCOS
— Network Class Of Service
NMC
— Nortel Matra Cellular
ADTS
— Ameritech Digital Transport Service
WPC
— Wireless Personal Communications
RLC
— Reverse Link Channel
IVN
— Interactive Video Network
LCU
— Line Control Unit
TTC
— Telemetry Telecommand and Control
GS
— Ground Start
VSC
— Vertical Service Code
QOSM
— Quality of Service Management
TNMS
— Telecommunications Network Management System
ESA
— Enhanced Subscriber Authentication
SDCCH
— Standalone Dedicated Control Channel
ESG
— Enhanced Service Gateway
LBX
— Low Bandwidth X
AADS
— Ameritech Advanced Data Services
DLT
— Digital Line Termination
SOHO
— SOlar and Heliospheric Observatory
PAM
— Pulse Amplifier Modulation
SMAS
— Service Management System
WLL
— Wireless Local Loop
MNA
— Multi-Network Area
DORA
— EV-DO (EVolution-Data Optimized) standard Revision A
ISD
— International Subscriber Dialling
QS
— Quasi-Synchronous
MCR
— Minimum Cell Rate (ATM)
WLAP
— Wireless LAN (Local Area Network) Access Point
LSMS
— Local Service Management System
AFPS
— Automatic Facility Protection Switching
CALA
— Customer Address Location Area
HCV
— High Capacity Voice
FR
— Functional Requirement
WNAP
— Wireless Network Access Point
VLF
— Vertical-Laminar-Flow
DSCS
— Defense Satellite Communication System
TEHO
— Tail End Hop Off
BWX
— Broadband Wireless Exchange
GFI
— General Format Identifier
CDM
— Configuration Data Manager
TPSP
— Third Party Service Provider
WFA
— Work Force Administration
ZLE
— Zero-Latency Enterprise
HPN
— Home Phone Network
DS-2
— Digital Signal, Level 2
UDT
— Unreliable Data Transfer
QPM
— QoS (Quality of Service) Policy Manager
PRM
— Performance Report Message
IRLAP
— InfraRed Link Access Protocol
RLA
— Received Level Average
ITU-T
— International Telecommunication Union - Telecommunications section
LMBCS
— Lotus Mult-Byte Character Set
VOB
— Versioned Object Base
PSN
— Packet-Switched Network
FRSS
— Frame Relay Switching System
VNS
— Virtual Network System
SHR
— Self-Healing Ring
ATL
— Advanced Technology Laboratory
DLE
— Digital Local Exchange
PVG
— Packet Voice Gateway
TACS
— Total Access Cellular System
LRF
— Laser Range Finder
IDLC
— Integrated Digital Loop Carrier
EC
— Enhanced Cellular
GLT
— Great Lakes Telecom
FEAC
— Far End Alarm and Control
ESDS
— Electrostatic Discharge Sensitive
DCC
— Digital Control Channel
TP
— Termination Point
SC
— Switching Center
WEDE
— Wireless Enterprise Delivery Environment
VAR
— Value-Added Reseller
TRCSL
— Telecommunications Regulatory Commission of Sri Lanka
D-AMPS
— Digital Advanced Mobile Phone Service
XNS
— Xerox Network Systems
VDSL
— Very high-speed Digital Subscriber Line
CAN
— Controller Area Network
QPA
— Quality Performance Analysis
LVM
— Line Verification Module
DEO
— Digital End Office
DBN
— Dial-Back Number
WPKI
— Wireless Public Key Infrastructure
LAP-B
— Link Access Procedure - Balanced
AWA
— Advanced Wireless Access
SHD
— Smart Handheld Device
JMA
— Japanese Meteorological Agency
TUP
— Telephone User Part
FTAM
— File Transfer Access and Manipulation
LI
— Length Indicator
CIPOA
— Classical Internet Protocol over ATM (Asynchronous Transfer Mode)
CAL
— Customer Access Line
WDP
— Wireless Datagram Protocol
DTU
— Data Terminal Unit
DCSS
— Digital Cross-connect Systems
AMEL
— Active-matrix Electroluminescent
CEE
— Communaut? Economique Europ?enne
DACS
— Digital Access and Cross-Connect System
RP
— Radio Port
ABR
— Available Bandwidth Rate
DTAM
— Document Transfer and Manipulation
CM
— Common Mode
IPCDN
— IP over Cable Data Networks
ELSEC
— Electronic Security
CFNA
— Call Forwarding No Answer
DTR
— Down-Time Ratio
RCR
— Research and Development Center for Radio Systems
BTO
— Betts Telecom Oklahoma
DISA
— Direct Inward Switch Access
TA
— Terminal Adapter (ATM)
TMRS
— TRAFFIC MEASUREMENT AND RECORDING SYSTEMS
WAWS
— Washington Area Wideband System
FD
— Full Duplex
YIP
— Your Internet Phone
DBF
— Digital Beam-Forming
OID
— Object Interaction Diagram
PCN
— Personal Communications Networks (European PCS)
AMOLED
— Active Matrix Organic Light-Emitting Diode
QOV
— Quality of Voice
MDCP
— Media Device Control Protocol
ILF
— Initial License Fee
LZ
— Lempel-Ziv compression algorithm
DCS
— Digital Cross-connect Switch
WDS
— Wireless Distribution System
800
— Freephone
BDFB
— Battery Distribution Feeder Bay
SCC
— Specialized Common Carrier
RYP
— Russian Yellow Pages
RTC
— Right to Carry
COBE
— Corporate Owned Business Only
PTT
— Post Telegraph and Telecommunications
TPS
— Telephone Preference Service
EC
— Entropy Coding
IRAC
— Internal Review and Audit Compliance
TRANS
— Transaction
B-ISUP
— Broadband ISDN User Part
CEPT
— Conference of European Posts and Telecommunications
OA&M
— Operations, Administration & Maintenance
CR
— Connection Request
EUMETSAT
— European Meteorological Satellite
SPI
— Security Parameters Index
VCR
— Videocassette Recorder
JEDEC
— Joint Electronic Devices Engineering Council
ECC
— Emergency Communications Center
DACS
— Digital Access Cross-Connect Switch
RCF
— Remote Call Forwarding
PCIA
— Personal Communications Industry Association
ULP
— Upper Layer Protocol
QNC
— Quick Net Connect
MSS
— Mobile Satellite Service
AI
— Adapter Interface
STN
— Station Terrienne de Navire
DAVIC
— Digital Audio Video Council
SDP
— Software Development Process
MT
— maintenance
ERM
— Explicit Rate Marketing
ABATS
— Automatic Bit Access Test System
TNI
— Telephone Network Interface
VLBI
— Very Long Baseline Interferometry
ADAD
— Automatic Dialing Announcing Device
TACSIM
— Tactical Simulation (Simulator)
RTT
— Roof Top Tower
C
— Connectivity
CT
— Cordless Telecommunications
PVG
— Personal Voice Greeting
NMC
— Network Model Coverage
GEO
— Geostationary Earth Orbit
ML-PPP
— Multilink Point-to-Point Protocol
MOC
— Maintenance and Operations Console
DPDCH
— Dedicated Physical Data Channel
MEI
— Multiple Extension Interworking
LMU
— Line Monitor Unit
INAP
— Intelligent Network Application Part
AL
— Alignment
C/T
— Carrier to Noise Temperature Ratio
WDM
— Windows Driver Model
DRTL
— Dial Repeating Tie Line
AFRINIC
— African Network Information Centre
HBH
— Hop-By-Hop
CARS
— Community Antenna Relay Service
UDS
— Universal Directory Service
PTN
— Public Telephone Network
FEBE-F
— Far End Block Error count - Fast data
LGE
— Loop- or Ground-start Exchange
IDEN
— Integrated Dispatch Enhanced Network
DCEF
— Distributed Cisco Express Forwarding
DORK
— Disciples Of The Righteous King
ADTS
— Automated Digital Terminal System
NMS
— NetWare Management System
XWI
— XML (extensible markup language) for Wireless Images
ATACS
— Army Tactical Communications System
QOD
— Quality of Data
CHT
— Active
LXT
— Local Exchange Terminal
COMPANDER
— COMpressor/exPANDER
VPL
— Virtual Path Link (ATM)
TRAC
— Totally Reconfigurable Analog Circuit
CSAP
— Core Service Access Point
FDMMA
— Frequency Division Multiplexing Multiple Access
CPN
— Customer Premise Network
BFS
— Broadcast File System
ECS
— Encryption Control Signal
IATA
— Intelligent Agents for Telecommunication Applications
WLNP
— Wireless Local Number Portability
TFL
— Telecom Fiji Limited
DDSN
— Digital Derived Services Network
EA
— expedited acknowledgement
GVPN
— Global Virtual Private Network
CPCI
— Compact Peripheral Component Interconnect
AEE
— Agent Execution Environment
HUMAN
— High-speed Unlicensed Metropolitan Area Network
OIM
— Operations Interface Module
NECA
— National Exchange Carrier Association
LMS
— Location and Monitoring Service
NAM
— Numeric Assignment Module
LADS
— Local Area Data Service
WCMP
— Wireless Control Message Protocol
WBTS
— Wireless Business Telephone System
USD
— Universal Service Directive
AFIPS
— American Federation of Information Processing Societies
888
— Freephone
HDSL2
— High-bit-rate Digital Subscriber Line, Second Generation
FECC-F
— Forward Error Correction Count - Fast data
EM
— Engineer(ing) Manual
DUL
— Dial-Up List
LQD
— Line Quality Disturbance
ISDP
— Intelligent Shared Dual Path
CLASS
— Cell Level ATM (Asynchronous Transfer Mode) Services Simulator
ISTD
— International Subscriber Trunk Dialing
NMF
— Network Management Forum
TI
— Telecom Implementation
SRU
— Search and Rescue Unit
RCT
— remote Control Terminal
INA
— Information Network Architecture
EC
— Echo Cancelling
THZ
— TeraHertz
RBT
— Ring Back Tone
DH
— Delivery Head
QEDI
— Quod Erat Demonstrandum
NRI
— Net Radio Interface
NF
— Not Found
IDPR
— Interdomain Policy Routing
ENUM
— tElephone NUmber Mapping
TLP
— Transmission Level Point
AT
— Attenuation
RU
— Release Unit
ASA
— Avaya Site Administration
AMTI
— Airborne Moving Target Indicator
USF
— Universal Server Farm
BSS
— Broadband Switching System
QR
— Quality record
CALC
— Customer Access Line Charge
CVT
— Circuit Validation Test
SVW
— Sioux Valley Wireless
AAPR
— Annual Average Performance Ratio
IOC
— Interoffice Channel
WBOK
— Wireless Broadband of Oklahoma
GOS
— Gerry Otis Simpson
ATMS
— automatic transmission measuring system
CSL
— component sublayer
MNOC
— Mobile Network Operation Center
CCC
— Clear Channel Capability
CMISE
— Common Management Information Service Element
DSX
— Digital Signal Cross-Connect
SAMI
— Structured Adjustment & Maintenance Interface
ACTS
— Automated Coin Toll System
WBI
— Wireless Broadband Internet
PC
— Project Coordinator
PSPDN
— Packet Switched Public Data Network
DOITT
— Department of Information Technology and Telecommunications
RCQS
— Roaming Call Quality Sensor
SMLC
— Serving Mobile Location Center
FIC
— Flight Information Center
LRB
— Loop Reverse Battery
STARS
— Software Technology For Adaptable, Reliable Systems
DMS
— Distribution Management System
MMJ
— Modified Modular Jack
AAS
— Automatic Announcement Subsystem
DNA
— Do Not Answer
NPSI
— Network Packet Switching Interface
RANAP
— Radio Access Network Application Part
UR
— User Rate
3RNGR
— Three Ringer
QLLC
— Qualified Logical Link Control
COI
— Community of Interest
XOT
— X.25 Over TCP (Transmission Control Protocol)
MLHG
— Multi-Line Hunt Group
SAMA
— Spread Aloha Multiple Access
SMDS
— Switched Multi-megabit Data Service
CMAS
— Cellular Management System
IMT-A
— International Mobile Telecommunications - Advanced
CCC
— Credit Card Calling
FWS
— Fixed Wireless Services
RFH
— Remote Frame Handler
DAF
— Directory Access Function
LEC
— Liquid Encapsulated Czochralski
CDSL
— Consumer Digital Subscriber Line
VTQ
— Voice Transmission Quality
OMC
— Operations and Maintenance Centre
TASI
— Time Assigned Speech Interpolation
FEBE-I
— Far End Block Error count - Interleaved data
IMT-FT
— International Mobile Telecommunications - Frequency Time
A/V
— Audiovisual
CNE
— Certified Novell Engineer
ATL
— Atlanta
VMU
— Virgin Mobile USA (mobile phone network)
JDC
— Japan Digital Cellular
NARC
— Non-Automatic Relay Center
VCA
— Voice Connecting Arrangement
M2M
— Multipoint-to-Multipoint
RZ
— Return to Zero
LDB
— Last Data Bit
STUN
— Simple Traversal of UDP (User Datagram Protocol) through NAT (Network Address Translation)
ETS
— End of Transmission Signal
RSN
— Readable Serial Number
FOE
— Fiber Optic Equipment
GPBX
— Global Private Branch eXchange
SNI
— Service Node Interface
BMAS
— Business Management System
CTIT
— College of Telecommunications and Information Technology
RSS
— Received Signal Strength
SJR
— Signal-to-Jamming Ratio
PRM
— Premium Rate
VMWI
— Voice Message Waiting Indicator
IDD
— International Direct Dialing
VGCP
— Voice Grade Channel Processor
BPOP
— Building Point of Presence
LQR
— Line Quality Report
UIF
— User Interface Framework
WGX
— Wireless Gateway Switch
RXP
— Roaming Exchange Protocol
HDB3
— High-Density Bipolar Three-bit substitution
DTAU
— Digital Test Access Unit
UAC
— Uniform Annual Charge
FRAD
— Frame Relay Assembler/Disassembler
ASIC
— Application Specific Instruction Code
ISDNUP
— Integrated Services Digital Network User Part
ERI
— Enhanced Roaming Indicator
DOD
— Dial on Demand
CCITT
— Comite Consultatif International Telegraphique et Telephonique (now ITU-T)
SCMG
— SCCP Management
BGP4
— Border Gateway Protocol 4
CONS
— Connection-oriented Network Services
CIS
— Center for Integrated Systems
SS
— Switching System
OCI
— object code insertion
TPF
— Transmission Priority Field
CANARIE
— Canadian Network for Advancement of Research, Industry, Education
SCE
— Service Creation Environment
PRE
— Preliminary
DTV
— Digital Television
DTS
— Digital Terminal Systems
SMASE
— Systems Management Application Service Element
D/A
— Digital-to-Analog converter
PAGCH
— Paging and Access Grant Channel
ICTA
— Idaho Cable Telecommunications Association
CMT
— Commercial Metering Transponder
TSC
— Technical Standards Committee
D3
— Digital channel bank, Third generation
INWATS
— INward Wide Area Telecommunications Service
UDC
— Universal Digital Channel
TDR
— Time Domain Reflectometer
CMOS
— Cellular Management Operation System
IDSL
— ISDN (Integrated Services Digital Network) Digital Subscriber Line
BC
— Basic Call
CIU
— Communications Interface Unit
PI
— Processor Interface
CD-R
— Compact Disk-Recordable
ETT
— Emerging Telecommunications Technologies
TCBH
— Time Consistency Busy Hours
PTN
— Provider Telecommunications Network
IPT
— Internet Protocol Telephony
NQA
— Niveau de Qualite Acceptable
SSCP
— System Services Control Point
DCU
— Distribution and Control Unit
EDT
— European Deaf Telephone
SAMS
— Service Agreement Management System
V
— Vector
WAPI
— Wireless LAN Authentication and Privacy Infrastructure
DCB
— Digital Channel Bank (Sprint)
ARDIS
— Advanced Radio Data Information Service
TAU
— Test Access Unit
TWL
— Leased Teletypewriter Service
SIGTRAN
— Signaling Transport
ENS
— Enhanced Network Services
TWX
— Teletypewriter Exchange (Telex)
TARP
— Target Identifier Address Resolution Protocol
RBS
— Robbed Bit Signaling
VPDN
— Virtual Private Dial-up Network
DRTT
— Dial Repeating Tie Trunk
ITFS
— International Toll Free Services
FTTE
— Fiber to the telecom enclosure
AON
— All-Optical Network
ARJ
— Admission Reject
WIPS
— Wireless Intelligent Personal Server
CSAC
— Computer Science Accreditation Commission
O/G
— Outgoing
FACS
— Facility Assignment and Control System
WUP
— Wired Up Privacy
EPL
— Echo Path Loss
RID
— Routing Identifier
ELEC
— Enterprise Local Exchange Carrier
VVP
— Versatile Voice Processing
UPC
— Usage Parameter Control
MHD
— Maximum Hour Demand
TVRO
— Television Receive-Only
NR
— Nummer
VTA
— Vermont Telecommunications Authority
PMD
— Physical Media-Dependent
VAB
— Vehicle Assembly Building
ALT
— Automatic Link Transfer
SCRC
— SCCP Routing Control
BTU
— Basic Transmission Unit
BFW
— Broadband Fixed Wireless
ICLD
— Inter-Channel Level Difference
FLC
— Forward Link Channel
SARTS
— Switched Access Remote Test System
3WO
— Third Wire Open
BSSMAP
— Base Station System Management Application Part
AUSPI
— Association of Unified Telecom Service Providers of India
3WC
— Three Way calling
NBDP
— Narrow Band Direct Printing
SWIFT
— Society Of Worldwide Interbank Financial Telecommunications
DSP
— Data Service Provider
PSC
— Picture Start Code
IPN
— Intelligent Peripheral Node
HQGSM
— High-Quality Global System for Mobile communications
OPS/INE
— Operations System/Intelligent Network Element
CTTC
— Centre Tecnològic de Telecomunicacions de Catalunya
TI
— Time
VGC
— Voice Grade Channel
EFD
— Event Forwarding Discriminator
BTL
— Bell Telephone Laboratories, Inc.
ICSF
— Internet Connection Sharing and Firewall
N-AMPS
— Narrowband Advanced Mobile Phone Service
USOC
— Universal Service Order Code (cable colors)
SPT
— System Page Table
ARQ
— Admission Request
DFRI
— Datacom Reference Frame Input
PNE
— Path Number Efficiency
QC
— Quality Circle
BETRS
— Basic Exchange Telecommunications Radio Service
WTA
— Western Telecommunications Alliance
ZD
— Ziff-Davis
EA
— Emergency Action(s)
CSV
— Circuit Switched Voice
CMAP
— Connection Management Access Protocol
DTC
— Department of Telecommunications and Cable
CSAA
— Central Service Area Authority
CSP
— Converged Service Platform
Q3
— Network Management Interface
ACEK
— Authentication Encryption Key
AASR
— Abbreviated Access Service Request
LLB
— Line LoopBack
CLIP
— Caller Line Identification Presentation
WAW
— Wide Area Wireless
LTU
— Line Test Unit
ITA
— Illinois Telecommunications Association
DS-1C
— Digital Signal, Level 1C
PIH
— Pin in Hole
WFFQ
— Wireless Fluid Fair Queueing
ECA
— Extended Calling Area
LRF
— Location Registration Function
MOC
— Ministry of Communications
D/I
— Drop and Insert
GCS
— Global Communication System
STN
— Station Terrestre de Navire
DMP
— Decode Media Protocol
C³
— Command, Control and Communications
APTG
— Asia Pacific Telecom Group
WTL
— Wireless Transport Layer
DMB
— Disconnect and Make Busy
TXS
— Telephone eXchange Strowger
WDRM
— Wireless Design Reference Manual
RDF
— Remote Distribution Frame
DECT
— Digital Enhance Cordless Telecommunications
ASP
— Active Signaling Protocol
LO
— Lockout
UVG
— Universal Voice Grade
TPB
— Talking Phone Book
WTC
— Wireless Topic Center
802.X
— Series of LAN standards developed by IEEE
CUG
— Closed Users Group
TD-SCDMA
— Time-division Synchronous Code-division Multiple Access
PTT
— Post, Telephone, and Telegraph (authority)
SPU
— Service Publication Unit
CODEC
— Coder-Decoder (usually for audio/video data)
WISP
— Wireless Internet Service Provider
FHMA
— Frequency Hopping Multiple Access
DBRN
— deciBel Relative to Noise
ITAD
— Integrated Telephone Answering Device
DLE
— Digital Line Equipment
WARP
— Wireless ATM (Asynchronous Transmission Mode) Research Project
IOT
— Interoffice Trunk
WAR
— Wireless Access Revolution
PM
— Processable Mode
KTF
— Korea Telecom Freetel
TWA
— The Wireless Association (former Cellular Telecommunciations and Internet Association)
CUSA
— Central Urban Service Area
DLC
— Digital Leased Circuit
HSCSWD
— High-Speed Circuit-SWitched Data
COB
— Change Of Billing
LRN
— Local Routing Number
QQS
— QOS (Quality Of Service) Query Service
VMO
— Virtual Mobile Operator
ASTE
— Advanced Systems and Telecommunications Equipment
CNAD
— Calling Name Delivery
DCID
— Downstream Channel ID
MCPC
— Multiple Channels Per Carrier
VPM
— Voice Private Message
SNI
— Subscriber-Network Interface
ONI
— Operator Number Identification
AAR
— Automatic Alternate Routing
DM
— delta modulation
APR
— Alarm Processing Remote
IR
— Information Request
WIPI
— Wireless Internet Platform for Interoperability
DDSD
— Delay Dial Start Dial
KBS
— Kilobits per Second
RTU
— Remote Test Unit
IPTD
— Internet Protocol Telephony Design
SF
— Superframe
LVDS
— Low-Voltage Differential Signalling
TSPS
— Traffic Service Position System
SES
— Scientific and Engineering Software
STN
— Stansted Airport railway station
IRAC
— Interdepartment Radio Advisory Committee
NMAS
— Network Management System
STMB
— Space-Time Multiple Beam
ECAN
— Echo Cancellation
CDB
— Configuration Data Base
EOI
— End of Image
SIO
— Service Information Octet
WTA
— Wireless Telephony Applications
MMS
— Multimedia Message Service
MTBM
— Mean Time Between Maintenances
BHP
— Burst Header Packet
DM
— Design Manager
CSP
— Continuous Speech Processing
NS
— Non-Standard
ISC
— International Switching Center
EML
— Element Management Layer
SS6
— Signalling System 6
DCP
— Distributed Collaborative Planning
ACOU
— Additional Call Offering Unrestricted
FOTS
— Fiber Optical Transmission System
UASL
— Unified Access Service License
MVD
— Motion Vector Data
BSVCI
— Broadcast Signaling Virtual Channel Identifier
TSR
— Terabit Switch/Router
PHIGS
— Programmer's Hierarchical Interactive Graphics System
RDTD
— Restricted Differential Time Delay
VQA
— Voice Quality Analyzer
ITCC
— Information Technology and Communications Complex
ROC
— Receiver Operating Characteristic
HCDS
— High Capacity Digital Services
ISSP
— Interim Interswitch Signaling Protocol
DQDB
— Distributed Queue Double Bus
ECMA
— European Community Manufacturers Association
SE
— Southeast Euro
TSGR
— Transport System Generic Requirements
CCC
— CDMA Cluster Controller
SSTC
— Subsystem Status Test Control
PPV
— Pay-Per-View
AC
— Absorption Coefficient
AGPS
— Assisted Global Positioning System
SEM
— Sionscanning Electron Microscopy
IN7
— Compaq SS7 stack
ECC
— Extended Community Calling
TLM
— Trouble Locating Manual
AS
— Active Service
MFJ
— Modified Final Judgement
MC
— Management Center
VOX
— Voice Operated Transmission
NATA
— North American Telecommunications Allocation
BTE
— Broadband Terminal Equipment
ALIS
— Access Lines in Service
LSAP
— Link Layer Service Access Point
MTS
— Message Transmission Subsystem
ISP
— International Signaling Point
ALC
— Automatic Line Controller
ML
— maximum length
FCCSET
— Federal Coordinating Committee for Science, Engineering and Technology
LAC
— Line Assignment Center
YAC
— Yet Another Caller-ID program
DS-4
— Digital Signal Level 4
CASE
— Computer-Assisted Software Engineering
TSM
— Transaction State Machine
CCO
— Component Coordinator
TXD
— Transmit Data
MP
— Master Processor
TRAI
— Telecom Regulatory Authority of India
SVI
— Service Interception
EXCL
— Exclusive
MIC
— Management Integration Consortium
UPCU
— Uplink Power Control Unit
WOIP
— Wireless communications over Internet Protocol
UPS
— Un-interruptable Power Supply
NML
— Network Management Layer
SM
— Spectrum Management
D4
— Digital channel bank, Fourth generation
PSDS
— Packet Switched Data Service
DFT
— Draft Tax Forms
DTF
— Digital Transmission Facility
OLEC
— Other Local Exchange Carrier
CGT
— Consultants Group for Telecommunications
PLM
— Product Line Manager
LCT
— Large Capacity Tandom
UOS
— Units of Service
SMG
— Super Master Group
MOD
— Modulo
RCH
— Receive Channel
SS5
— Signalling System 5 (2400/2600 Hz tones)
CAS
— Customer Accounts Service
SLC
— Service Level Contract
IWU
— Interworking Unit
AIOD
— Automatic Identification of Outward Dialing
SWAT
— Sit, Wait, and Talk
FCT
— Fixed Cellular Terminal
PR
— Preference
PTK
— Post and Telecom of Kosovo
CDRM
— Cross-Domain Resource Manager
HIP
— Holes In Phonebooks
DS
— Delivery System
SPCS
— Stored Program Control Switch
CL
— cell loss
OC-96
— Optical Carrier Signal, Level 96
IPC
— Initial Paging Channel
CITR
— Canadian Institute for Telecommunications Research
KB
— Knowledge-Based
BS
— Busy Season
IC-POT
— Interexchange Carrier-Point of Termination
PTAM
— Professional Telephone Answering Machine
IMPCS
— Indian Mobile Personal Communication System
MSO
— Marine Safety Office(r)
CVSD
— Continuous Variable Slope Detection
AMC
— Adds, Moves and Changes
SAR-PDU
— Segmentation And Reassembly Protocol Data Unit
VQT
— Voice Quality Testing
POR
— Power On Reset
MBAC
— Measurement-Based Admission Control
TSMA
— Telecommunications Services Master Agreement
HTO
— Hellenic Telecommunications Organisation
IU
— Internal Use
STU
— Signal Transmission Unit
TTIL
— Team Telecom International Ltd.
RPV
— Resource Property Value
VOX
— Voice Exchange
APS
— American Protective Services
TTG
— Test Tone Generator
P
— Point
UCD
— Uniform Call Distributor
TBRL
— Terminal Balance Return Loss
DCA
— Distributed Communications Architecture
IOS
— Internet Over Satellite
BEAR
— Billed Entity Applicant Reimbursement
MAHO
— Mobile Assisted Handoff
ICCF
— Interexchange Carrier Compatibility Forum
CQ
— Communications Quality
SMRP
— Simple Multicast Routing Protocol
ATR
— Advanced Telecommunications Research Institute
ULC
— Universal Line Card
SAM
— Service Access Multiplexer
QOSOI
— Quality Of Service Over IP (Internet Protocol)
PPCH
— Packet Paging Channel
CC
— Coordination Center
ESMT
— Ecole Superieure Multinationale Des Telecommunications
NATS
— North American Terrestrial System
ACVS
— Ameritech Customized Video Service
CW
— Call Waiting Supplementary Service
LQO
— Line Quality Operation
CS
— Connection Segment
BTMS
— BITEK Telecommunications Management System
SQE
— Signal Quality Error
MTIE
— Maximum Time Interval Error
ILETS
— Idaho Law Enforcement Telecommunication System
CAIRO
— Communications Audio Interface for Remote Operations
MLMS
— Mobile Learning Management System
UBL
— Universal Bluetooth Link
DCC
— Data Communications Channel
MMDX
— Multi-Media Data Services
CCEA
— Cross Connect Equipment Assignment
MIS
— Miscellaneous
WIRC
— Wireless Information Resource Center
UMTS
— Universal Mobile Telecommunication Services
JSR
— Jump to Subroutine
VDV
— Voice/Data/Video
TFO
— Tandem Free Operation
TAE
— Terminal Adapter Equipment
DVI
— Digital Video Interleaved
DODD
— Department Of Defense Directive
CSCC
— coordinated state change control
SLICE
— Selective Line Insertion Communication Equipment
SNAP
— Sub-Network Access Protocol
WIX
— Wireless Information EXchange
TELECOM
— Telecommunications
IOCA
— Interception of Communications Act
DLCS
— Digital Loop Carrier System
S-HTTP
— Service Hypertext Transport Protocol
CASP
— Communications Application Service Provider
RA
— Requirements Analysis
NFF
— Neutral File Format
TCCMS
— Telecom Consumer Complaints Monitoring System (India)
DUNCE
— Dial-Up Networking Connection Enhancement
ISDT
— Integrated Services Digital Terminal
APTC
— Atlantic Provinces Telecommunications Council
T&R
— Tip and Ring
CICT
— Commission on Information and Communications Technology
TP
— Transaction Processor
W-CDMA
— Wideband Code-Division Multiple-Access
STDM
— Statistical Time Division Multiplexer
OC-1
— Optical Carrier Signal, Level 1
GSMA
— Global System Mobile Association
RFIDAI
— Radio Frequency IDentification Association of India
URC
— Utility Reference Customer
LATA
— Local Access Transport Area
TSD
— Type Specific Driver
RCMS
— Recharge Card Management System
RFS
— Resource Facing Service
DCCH
— Digital Control Channel
BLP
— Burst Loss Probability
AWCC
— Afghan Wireless Communications Company
HKT
— Hong Kong Telecommunications Ltd.
CCBS
— Completion of Call to Busy Subscriber
RDI-L
— Remote Defect Indicator - Loop
MRVT
— MTP Routing Verification Test
NARSAP
— National Advanced Remote Sensing Application Program
WNAS
— Wireless Network Access Services
UIH
— Unnumbered Information with Header check
SGS
— Software Generation System
E-TDMA
— Expanded Time Division Multiple Access
RSL
— Request and Status Links
MAPP
— Mobile Access Personal Presence
AI
— Airborne Interception
HPPI
— High-Performance Parallel Interface
LME
— Line Monitoring Equipment
CSUR
— Conscript Unicode Registry
DMPB
— Digital Multi-Point Bridging
SQR
— Signal to Quantizing noise Ratio
MEOS
— Medium Earth Orbit Satellite
ACE
— Authentication Encryption
LOH
— Line Overhead
ISSIP
— Inter-Switching System Interface Protocol
DF
— Distributing Frame
GTXC
— Global Telephone Exchange Carrier
AVD
— Alternate Voice/Data
CT
— Control terminal
AUBW
— AutoBot Walkthrough
LAPM
— Link Access Protocol for Modems
TMF
— Telemanagement Forum
TCIYP
— Turks and Caicos Islands Yellow Pages
ABTA
— Associação Brasileira de Telecomunicações por Assinatura
CPT
— Cellular Paging Teleservice
LOF
— Loss of Frame (ATM)
CARS
— Cable Antenna Relay Services
MDTS
— Mobile Data Terminal Software
VRT
— Voltage Reduction Technology
OTF
— Optical Transfer Function
MMC
— Minimum Monthly Charge
PDE
— Positioning Determination Entity
STP
— Shielded Twisted Pairs
MHL
— Mobile High-definition Link
GSN
— GPRS (General Packet Radio Service) Support Node
STAN
— Supply of Telstra Account Number
TAP
— Test Access Path
PWT
— Personal Wireless Telecommunication
IRB
— Instruction Reorder Buffer
CNT
— Corporacion Nacional de Telecomunicaciones
WCRL
— Wireless Communications Research Laboratory
MFA
— Multi-Frame Alignment
SGW
— Server GateWay
WTIA
— Wireless Technology Industry Association
CF
— Coin First Payphone
MNP
— Microcomputer Networking Protocol
ITU-TSS
— International Telecommunications Union - Telecommunications Standardization Sector
BRTL
— Blu-Ray Triple Layer
PSX
— Power System Exchange
DPCM
— Differential Pulse Code Modulator
QLC
— Quality Com
TBI
— Telecom Brokerage Inc
GEO
— Geostationary-Earth-Orbit
AMT
— Australasian Mobile Telecommunications
STV
— Subscription Television
MIDP
— Mobile Information Device Protocol
DAMPS
— Digital Advanced Mobile Phone System
DUC
— Designated Underlying Carrier
CPS
— Carrier Pre-Selection Service
TME
— Telocator Message Entry
VM
— Voice Messaging
L
— Lambert
SCRB
— SBC (Single Board Computer) Control and Reset Box
TSAR
— Terminating Switched Access Rate
HFT
— Human Factors in Telecommunications
IQ
— In-phase and Quadrature
LAP-B
— Link Access Protocol-Balanced
GATE
— GPRS (General Packet Radio Service) Application Test Environment
EV-DV
— EVolution Data/Voice
MES
— Master Earth Station
IMT
— International Mobile Telecommunications
CFS
— Customer Facing Services
H11
— High-capacity ISDN channel operating at 1.536 Mbps
WACN
— Wide Area Communications Network
MMDS
— Multichannel Multipoint Distribution System
SPNI
— Service Provider Network Identifier
TDB
— Technology Development Board
AMP
— amplifier / amplification
SVGA
— Super VGA
EVN
— Enterprise VoIP (Voice-over-IP) Network
WAVE
— Wireless Access in Vehicular Environments
WPOS
— Wideband Packet over SONET (Synchronous Optical NETwork)
UIT
— Union Internationale des Telecommunications
ACL
— Average Call Length
USI
— User System Interface
MAC
— Message Authenticity Check
F
— Flow
MC-SS
— Multi-Carrier Spread Spectrum
HSUPA
— High-Speed Uplink Packet Access
WNSK
— Wireless Networking Starter Kit
SHN
— Self-Healing Network
DX
— Duplex Signaling
TAAC
— Telecommunications Access Advisory Committee
UDLC
— Universal Digital Loop Carrier
TSAU
— Time Slot Access Unit
WAL
— WATS (Wide Area Telecommunications Service) Access Line
WSN
— Wireless Sensor Network
MMMS
— Mobile Multimedia Messaging Service
CTS
— Call Tracking System
BANC
— Broadband Access Network Coordination
WIG
— Wireless Internet Gateway
ITSO
— International Telecommunications Satellite Organization
ROH
— Receiver Off-Hook
UCS
— Universityrsal Multiple-Octet Coded Character Set
VTAC
— Vermont Telecom Advancement Center
RLF
— Remote Line Failure
VOF
— Voice Over Fiber
S&F
— Store & Forward
WECA
— Wireless Ethernet Compatibility Alliance
TADS
— Target Acquisition Designation Sight
MVDM
— Multiple Virtual DOS Machine
FEFA
— Far End Failure
DNR
— Dial Number Recorder
TELCO
— Telecommunication Network for Cooperative Driving
TIMS
— Transmission Impairment Measuring Set
TNS
— Time to Next Send
REGEN
— Regenerator
MOA
— Managed Object Agent
AC
— Authorization Center
NSM
— Network Status Monitor
IO
— Inter-Office
RDI-V
— Remote Defect Indicator - Virtual
RRJ
— Registration Reject
ENST
— Ecole Nationale Supérieure des Télécommunications
THL
— Trans-Hybrid Loss
ECP
— Exchange Control Panel
TI
— Time Integration
M-M
— Multiplex-Multicast
SMSL
— Standard Multimedia Scripting Language
VRS
— Video Relay Service
BUC
— Block Up-Converter
WAGN
— West Antarctic GPS (Global Positioning System) Network
FECC-I
— Forward Error Correction Count - Interleaved data
MSSC
— Mobile Satellite Switching Centre
LOP-V
— Loss Of Pointer - Virtual
WPOP
— Wireless Point-of-Presence
NBS
— New British Standard
LETS
— Line Efficiency Tracking System
CPS
— Customer Premises System (Bellcore)
MERS
— Most Economical Route Selection
SVC
— Single Voice Coil
WTA
— Wireless Telephony Application
PTFP
— Public Telecommunications Facilities Program
WAPF
— Wireless Application Protocol Forum
LET
— Line Equipment Transfer
NSPE
— National Society of Professional Engineers
OC-48
— Optical Carrier Signal, Level 48
UBC
— Utility Based Computing
DSVT
— Digital, Secure Voice Telephone
STE
— Software Test Environment
WDF
— Wireless Data Forum
TRK
— Trunk
BIT
— Bureau of Information and Telecommunications
ITOC
— Independent Telephone Operating Company
RTZ
— Rate for Transmission service for a Zone load
FCO
— Foreign Central Office
LTP
— Long Term Prediction
BNT
— Broadband Networking Technology
ISM
— Interstellar Medium
CR
— Call Reference
AT
— Access Terminal
WCA
— Wireless Cable Association International
ECITTC
— European Committee for Information Technology Testing and Certification
SCU
— Service Creation Unit
SS3
— Signalling System 3 (2280 Hz tone)
LCA
— Line Circuit Address
TSAP
— Telecommunication Systems Analysis Position
WSL
— Wireless Systems Laboratory
CIL
— Call Identification Line
DNI
— Did Not Include
CCIR
— Comittee Consultatif International Radiotelecommunique
PCMCIA
— Personal Computer Memory Card Industry Association
TRAN
— Transient
SCAT
— Single Channel Autonomous Trunking
STEREO
— Solar Terrestrial Relations Observatory
SRVT
— SCCP Routing Verification Test
CEPT
— Committee of European Postal & Telephone (authorities)
MID
— Maritime Identification Digits
SIU
— Subscriber Interface Unit
WITS
— Web Interface for Telescience
PN
— Public Network
CAS
— channel associated signaling
DMF
— Distributed Messaging Fabric
MED
— Manipulative Electronic Deception
HCT
— Hierarchical Cellular Tree
NR
— normal
KSR
— Key Send Receive
IESS
— INTELSAT Earth Station Standard
CLS
— Current Level of Service
IS-41
— TIA/EIA Interim Standard for mobile management
ESP
— Essential Service Protection
BU
— Back Up
WRU
— Wireless Receiver Unit
VASP
— Value-Added Service Provider
BISDN
— Broadband Integrated Services Digital Network
C
— Clock
ARAI
— Adjunct Route Application Interface
DSP
— Domain Specific Part
BASH
— Bandwidth Sharing
RSU
— Remote Switching Unit
CID
— Cell IDentification number
LBA
— Location-Based Advertising
DS-2
— Digital Stream 2 (6.312 mbps)
RSI
— Record Status Indicator
CSI
— Clearing Subnetwork Identification
RCDD
— Registered Communications Distribution Designer
SPH
— Samsung PHone
MDU
— Monthly Domestic Usage
DI
— Document Index
RXD
— Receive Data
FECC
— Federal Emergency Communications Coordinator
CPC
— Crosstalk Prevention Coding
LMS
— Local Measured Service
ADTS-E
— Ameritech Digital Transport Service - Enhanced
NSP
— National Signaling Point
DVC
— Digital Video Compression
PPT
— Permanent Part Time
FFM
— First Failure to Match
SUF
— Service Update Facility
WIAS
— Wholesale Internet Access Services
WMA
— Wireless Messaging API (Application Programming Interface)
IOPS
— Internet Operators Providers Services
SSS
— System/segment Specification
SCSA
— Standard Consolidated Statistical Area
WOS
— Wireless Optimization Service
LQN
— Line Quality Network
HDT
— Host Digital Terminal
IPCU
— iPhone Configuration Utility
SRTS
— Synchronous Residual Time Stamp
DDCZ
— Daily Demand Charge for a Zone
TED
— Triteal Enterprise Desktop
URR
— UHF (Ultra-High Frequency) Radio Receiver
ECSA
— Exchange Carrier Standards Association
CSA
— Central Service Area
CBS
— Common Battery Signaling
MCF
— Message Confirmation Frame
CTIE
— Centre for Telecommunications and Information Engineering (Monash University; Australia)
MFN
— Multiple Frequency Network
CDF
— Communications Data Field
TEO
— Telephone Equipment Order
IWCS
— Integrated Wideband Communications System
D
— Diagonal
CDR
— Common Data Rate
FICORA
— Finnish Communications Regulatory Authority
IWE
— Institute for Wireless Education
CCTA
— Cctacentral Computer And Telecommunications Agency
RNW
— Radio NetWork
PTO
— Public Telephone Operator
IMN
— Intelligent Mobile Network
MUF
— Maximum Useable Frequency
ACA
— Automatic Circuit Assurance
BT
— Busy Tone
CIS
— Communications and Information Systems
GSA
— Guarded Single Assignment
ZPD
— Zero-Plus Dialing
WDA
— Wireless Developer Agency
WTN
— Working Telephone Number
AA
— Agile Access
DMI
— Digital Multiplex Interface
VMB
— Voice Mail Box
DLI
— Dialed Line Identification
WNC
— Wireless Network Communications
AAC
— Alternate Area Code
UTP
— Universal Transmission Protocol
OC-3
— Optical Carrier Signal, Level 3
UPR
— User Performance Requirement
BRQ
— Bandwidth Request
ONE
— Other Network Entity
DWB
— Designer's Workbench
LOSW
— Loss Of Synchronous Word
HTU-R
— HDSL (High-bit-rate Digital Subscriber Line) Transmission Unit - Remote
EMLPP
— Enhanced Multi-Level Precedence and Priority
O
— Optical
ASC
— Available Spare Capacity
CI
— Customer Installation
GTB
— Global Telecoms Business
OTH-B
— Over-the-Horizon Backscatter
AIOD
— Automatic Identification of Outward Dialed calls
ACR
— Anonymous Call Rejection
STE
— Syrian Telecommunications Establishment
MM
— Multimode (fiber optic cable)
DMTF
— Desktop Management Task Force
T
— Tip
IMMAT
— Instituto Municipal Malvinas Argentinas Telecomunicaciones
IS
— Integrated Services
DCH
— Discrete CHannel
RCV
— ReCharge Voucher
WICS
— Wireless Integrated Communication System
BWRC
— Berkeley Wireless Research Center
WITS
— Washington Interagency Telecommunications System
WID
— Wireless Information Device
SHM
— Short-Haul Modem
DVCC
— Digital Verification Color Code
VSM
— Voice Service Module
MBCM
— Multiple Block-Coded Modulation
CCS
— Centa- (hundred) Call Seconds
BAC
— Bar Calls
TOT
— Time Of Transmission
ETT
— Emona Telecoms Trainer
LAP
— Link Access Protocol
CDO
— Community Dial Office
LLAR
— Local Loop Access Ring
WIWT
— Wireless Internet of West Tennessee
WBA
— Wireless Broadband Access
SWANSAT
— Super-Wide Area Network SATellite
DTF
— Dial Tone First
ITF
— Information Transport Function
AA
— Automatic Answer
ESSE
— Embedded Systems Software Environment
OM
— operations management
OCTS
— Ocean Color and Temperature Scanner
PICS
— Protocol Implementation Conformance Statement
WTR
— Wireless Token Ring
VOI
— Voice Over Internet
PTN
— Portable Telephone Network
LPU
— Line Protection Unit
WFM
— Wireless Frequency Modulation
SEE
— Software Engineering Environments
STDM
— Statistical Time Division Multiplexing
MSID
— Mobile Station Identity
SMDS
— Satellite Multimedia Delivery System
CLECS
— Competitive Local Exchange Carriers
CO
— Central Operations
TSIP
— Telecommunications System Installation Plan
C-M
— Control-Monitor
SQM
— Signal Quality Manager
SLM
— Subscriber Loop Multiplex
ETET
— Electrical and Telecommunications Engineering Technology
IOCDS
— Input/Output Configuration Data Set
WIDS
— Wireless Intrusion Detection Sensor
BCM
— Bit Compression Multiplexer
TSS
— Telecommunication Standards Sector
WTK
— Wireless Toolkit
UBT
— Universal Backend Tester
APOT
— Access Point Of Termination
SUBT
— Subscriber Terminal
WDCS
— Wireless Distributed Communication System
WCB
— Wireline Competition Bureau (FCC)
ZUD
— Zero Unscheduled Downtime
OTM
— Object Transaction Manager
ILQ
— Inbound Link Quality
RPE-LPC
— Regular Pulse Excited - Linear Predictive Coder
LUL
— Land Use Line
TIMS
— Transmission Impairment Measurement System
CTNS
— Certified Telecommunications Network Specialist
DQR
— Directory enQuiry Restricted
TSSI
— Telecom Switched Services Interoperability
WORP
— Wireless Outdoor Router Protocol
SSCOP
— Service Specific Connection Oriented Protocol (ATM)
ESL
— Educational Sales Ledger
A
— All lines
MJT
— Modular Jack Terminal
COMS
— Cambridge Open Mobile System
TEDP
— Telecommunication Equipment Distribution Program
DCN
— Disconnected and Changed Numbers
HIC
— Head-End Interface Converter
DPO
— Dial Pulse Originate
HTU
— HDSL (High-bit-rate Digital Subscriber Line) Transmission Unit
IVW
— InfoView Wireless
DS-1C
— Digital Stream 1C (3.152 mbps)
ATLAS
— Accessing Telecoms Links Across Scotland
WSF
— Workstation Function
MEO
— Middle-Earth-Orbit
ENFIA
— Exchange Network Facilities for Interstate Access
RTNR
— Real-Time Network Routing
CN
— Calling Number
WIPA
— Walkup Internet Port Authentication
CCSD
— Cellular Circuit Switched Data
AA
— Audit Agent
SRS
— Supported Residential Services
DLOL
— Digital Loss Of Link
WTDM
— Wideband Time Division Multiplexing
VVD
— Voice and Video Data
DCD
— Data Carrier Detect
WND
— Wireless Network Design
SWF
— SWitched Fractional
EFRC
— Enhanced Full Rate Codec
QSK
— Quadrature Shift Keying
LCN
— Local Channel Number
BBCR
— BroadBand Communications Research
DLS
— Dual Line Signalling
PRCS
— Philips Radio Communications Systems
DSS
— Digital Subscriber Signalling
IVI
— Intel Video Interactive
JYP
— Jamaican Yellow Pages
UMS
— Unified Messaging Service
VF0
— Voice Fundamental Frequency
FERF
— Far-End Receive Failure
TVR
— Telephone Voice Response
YBY
— Why Be Yellow
COCOT
— Customer Owned Coin Operated Telephone
ECR
— Enhanced Call Routing
ERMES
— European Radio Message System
IDC
— Information Distribution Company
CS
— Customer Specification
ESG
— Error Satellite Gauge
RTAP
— Real-Time Application Platform
COIC
— Central Office Interface Circuit
DLIS
— Directory Listing Inquiry System
ILRM
— Interim Local Management Interface
WACS
— Wireless Access Communications System
TEM
— Telecom Expense Management
SCC
— Signal Conversion Circuit
RFI
— Remote File Inquiry
T1
— Transmission service at the DS1 rate of 1.544 Mbps
UPC
— Universal Personal Communication
STS
— Synchronous Transfer Signal
CMM
— Calls, Minimums, Maximums
BLERT
— Block Error Rate Test
OE
— Originating Equipment
LMC
— Loop Maintenance Center
IVAD
— Integrated Voice and Data
TAMS
— Telecom Analysis and Management System
SM
— Statistical Multiplexing
CTN
— Corporate Telecommunication Networks
WLS
— Wireless Location Services
QNS
— Questar Network Services
DP
— Drop Point
EPI
— External Provisioning Interface
ITEC
— Internet Telecom and Electronic Commerce
CRACK
— Challenge Response for Authenticated Crypto Keys
UBI
— Usage Billing Information
TR
— Temporal Reference
JICC
— Justice International Calling Card
ICR
— Intelligent Call Routing
WSNN
— Wireless Sensor Network News
RDI-P
— Remote Defect Indicator - Path
TWC
— The Weather Channel(r)
LLI
— Logical Link Identifier
TBPS
— terabit per second
ACS
— Accelerated Change Service
RFA
— Recurrent Fault Analysis
ECTEL
— Eastern Caribbean TELecommunications Authority
DDCNZ
— Daily Demand Charge for Non-Zone Network Load
QIC
— Quality Improvement Council
MGW
— Mobile GateWay
MAP
— Mobile Applications Port
ITV
— Instructional Telecommunications And Video
CHE
— Central Head-End
OMNCS
— Office of the Manager, National Communications System
JTRS
— Joint Tactical Radio Systems
ESMR
— Enhanced Specialized Mobile Radiotelephony
HSC
— High Speed Connect
EOT
— Eastern Oregon Telecom
LADT
— Local Area Data Transport
BIPT
— Belgian Institute for Post and Telecommunications
ANCD
— Automatic Network Call Distrubution
VRC
— Virtual Redundancy Check
EA
— Emergency Action (JOC)
WNM
— Wireless Network Management
LL
— Lower Layer
WAVE
— Wide Area Voice Exchange
WIOP
— Wireless Inter-ORB (Object Request Broker) Protocol
SINAP
— Signalling and Intelligent Network Applications Platform
HTU-C
— HDSL (High-bit-rate Digital Subscriber Line) Transmission Unit - Central office
XDSL
— "generic" Digital Subscriber Line
MFAS
— Multi-Frame Alignment Signal
CTSO
— Cellular Telephone Service Order
T3
— Transmission service at the DS3 rate of 44.736 Mbps
OC-192
— Optical Carrier Signal, Level 192
DHA
— Dialogue Handling
CMP
— Connection Management Procedures
ITTP
— Information Technology And Telecommunications Policy
MVPRP
— Multivendor Problem Resolution Process
LAP-D
— Link Access Protocol-D channel
INPT
— Institut National des Postes et Télécommunications
VDT
— Video Dial Tone
B911
— Basic 911 Emergency Service
FOTP
— Fiber Optic Test Procedures
CELL
— Caller Enabled Leased Line
CMS
— Circuit Multiplication System
CMP
— Communications Module Processor
WWA
— Wireless Web Application
BTS
— Business Telecommunications Services
DSX-2
— Digital Stream Crossconnect 2 (6.312 Mbps)
CD
— Carrier Detect
PNA
— Parallel Network Architecture
L4
— Layer 4
UMATS
— University of Maryland Academic Telecommunication System
VMIC
— VME Microsystems International Corporation
AOS
— Alternative Operator Services
TCCL
— Terminating Carrier Command Line
EDGE
— Enhanced Data for GSM Evolution
FELB
— Far-End Loop Back
CTE
— Computer Telephony Engine
IMTC
— International Multimedia Telecommunication Consortium
SDK
— Service Development Kit
MTS
— message transport system
DSS
— Digital Switching Subsystem
WVI
— Wireless Vehicle Interface
MEAS
— Measurement Specialties, Inc.
ROPP
— Receiver Only Packet Pair
SYNC
— Synchronous
DS-1
— Digital Stream 1 (1.544 mbps)
SYNTRAN
— Synchronous Transmission
FSM
— Field Service Manager
MBA
— Masters in Business Administration
TOM
— Telecom Operations Map
NIMA
— National Imagery Mapping Agency
RTDC
— Regional Telecommunication Development Conference
TTTN
— Tandem Tie Trunk Network
LAP-D
— Link Access Procedure- Digital channel
WNVA
— wireless Network Vicinity Assessment
ATM
— Automated Transmissions Machine
SKT
— Sun Kyung Telecom
ADTN
— Agency Data Telecommunications Network
TANE
— Telephone Association of New England
AGRAS
— Air-Ground Radiotelephone Automated Service
DS-4
— Digital Stream 4 (274.016 mbps)
STP
— Shielded Twisted-Pair
RAMA
— Resource Auction Multiple Access
VRSP
— Voltage, Ringing Signal Positive
LGS
— Loop- or Ground-start Subscriber
DEN
— Directory Enabled Networks
CEP
— Communication End Point
NSSG
— Network Solutions and Service Group
JTU
— Japan Telephone Upgrade
LSOA
— Local Service Order Administration
TINA
— Telecommunications Information Networking Architecture
HFK
— Hands Free Kit
ISD
— Instructional Systems Designers
WUPE
— Wireless User Premises Equipment
WLRL
— Wireless LAN (Local Area Network) Research Laboratory
WTNP
— Wireless Telephone Number Portability
USLD
— United States Long Distance
WISI
— Wireless Integrated Strike Interface
ETC
— Enhanced Telecommunications Corporation
TU
— Total Usage
MOE
— Modem Operating Environment
MDCNZ
— Monthly Demand Charge for Non-Zone network Load
UTFX
— Unit Testing Framework - XSLT (Extensible Stylesheet Language Transformation)
NTSA
— Networking Technical Support Alliance
TESP
— Telecommunications Enterprise Strategic Program
WXE
— Wireless Exchange Engine
WTDC 2003
— World Telecom Development Conference 2003
TIBS
— Tactical Information Broadcast Service
TTGS
— Test Tone Generator Software
CSF
— Common Service Framework
WTRP
— Wireless Token Ring Protocol
ELL
— Ethernet Leased Line
ARE
— All Routes Explorer
AS56
— Access System Centum 56 series
UPPC
— Up-Path Power Control
SSP
— Service Switching Point
SPCS
— Stored Program Control System
RWF
— Roaming Wireless Framework
WTB
— Wanted to buy
DA
— decanoic acid
ESVN
— Executive Secure Voice Network
WDL
— Wireless Device License
INSAT
— India's Indian National Satellite
RWN
— Regional Wireless Networks
IDM
— Interim Data Modem
SLC
— Subscriber Loop Carrier
VDS
— Variable Department Sonar
TRNA
— Temporarily Restricted Net Asset
DSRF
— Device Savings Recovery Fee
DLC
— Digital Line Controller
VRSP
— Video Relay Service Provider
RWI
— Real Wireless Intelligence
ITU-T
— International Telecommunication Union-Telecommunications
CK
— Check Bit
OOR
— Operator Override
WUA
— Wireless USB (Universal Serial Bus) Adapter
OC-24
— Optical Carrier Signal, Level 24
ASR
— Automatic Set Relocation
CHM
— Changeover and Changeback Messages
E&M
— Earth and Magneto (signaling leads)
TWSS
— Telecom Web Services Server
SM-SC
— Short Message Service Center
OC-36
— Optical Carrier Signal, Level 36
ALIT
— Automatic Line Insulation Test
CCF
— Custom Calling Feature
LWT
— Listen While Talk
WIVA
— Wireless Integrated Voice Access
TMN
— Telecommunications Management Network
ROF
— Reformat on the Fly
OMP
— Operations and Management Platform
ICAL
— Interexchange Carrier Access Line
WNQS
— Wireless Network Quality Specification
ITSP
— Internet Telephone Service Provider
FCA
— Fixed Channel Assignment
TVL
— TELECOM VANUATU LIMITED
STE
— Signaling Terminal Equipment
PTCM
— Pragmatic Trellis-Coded Modulation
MTS
— Message Telecommunications Service
ERA
— Enhanced Remote Access
SLTE
— Signaling Link Termination Equipment
DTIS
— Department of Telecommunications and Information Services
RAPID
— Remote Access Protocol Interface Device
IRTC
— Illinois Rural TeleCommunication
CSS
— Customer Service System
WTNG
— World Telephone Numbering Guide
SLS
— Sidelobe Suppression
WTF
— Wireless Telecommunications Facility
ACG
— Automatic Code Gapping
TSAPI
— Telephony Services Application Programming Interface
IVDT
— Integrated Voice/Data Terminal
CMI
— Computer Managed Instituteuction
SPN
— Service Panel Number
RU
— Remote Unit
RATS
— Radio-Amateur Telecommunications Society
ATP
— Association of Telecom Professionals
LDC
— Long Distance Carrier
OTA
— Over-the-Air Activation
COSMIC
— common systems main interconnecting
ADU
— Analog-to-Digital Unit
GETS
— The Government Emergency Telecommunications Service
PCTF
— Per-Call Test Failure
URM
— Uniform Redial Model
ATSC
— Australian Telecommunications Standardization Committee
RIC
— Radiocommunications Information Circular
AC
— Always Connected
BR
— Basic Rate
RTSE
— Remote Transfer Service Element
SDB
— Switched Digital Broadcast
WISE
— Wireless Infrastructure Simulation Environment
OC
— Output Controller
FCAPS
— Fault, Configuration, Accounts, Performance, Security
UCS
— Unified Communication Service
X25
— A Packet Switching Protocol
KLM
— Keyboard Layout Management
WUF
— Wireless University Forum
CS
— Clear to Send
ISM
— Instrumentation Scientific and Medical
LVC
— Label Virtual Circuit
T3
— 44.736 Mbits per Second line
TXE
— Transmitter Empty
EICS
— EURESCOM Information and Communications Services
UNICODE
— UNIversal trunk - out-of-service CODE
KTA
— Kentucky Telecom Association
GTTI
— Global Telecommunication Training Institute
NSK
— Nonstop Kernel
ADSRF
— Additional Device Savings Recovery Fee
DNMS
— Dual Network Media Server
DIAG
— Diagnostics
ICS
— Intelligent Calling System ID Identification
WLS
— Wait Listing Service
PTP
— Personal Telco Project
ICC
— Interexchange Carrier Charge
HOPA
— Higher-Order Path Adaptation
WEXK
— Wireless EXit Kit
LMOS
— Loop Maintenance Operations System
TAPS
— TELEPHONE APPLICATION PROCESSING SYSTEM
WL
— Wire Line
ECG
— English Cell Group
WWTW
— World Wide Telecom Web
WDDM
— Wavelength-Division Demultiplexing
RBES
— Rule-Based Expert Systems
C/R
— Control/Response indication bit
ADU
— Accumulation and Distribution Unit
GT&T
— Guyana Telephone and Telegraph Company
LAPD
— Link Access Procedure D channel
OC-12
— Optical Carrier Signal, Level 12
BT
— Bluetooth Two
SCC
— System Control Center
ECHI
— External Call History Interface
CSL
— Communication Services Limited
QCIF
— Quarter Common Image Format
TGPSI
— Transmission Gap Pattern Sequence Identifier
NTON
— National Transparent Optical Network
UTL
— United Telecom Limited
HOMEPNA
— Home Phoneline Networking Alliance [also HomePNA2]
SPA
— Service Planning Area
TELEX
— Teleprinter Exchange
PIN
— Positive-Intrinsic-Negative
CTN
— Community Telecommunications Network
SDN
— Software-Defined Network
KEY
— Keyset (multiline phone)
DSX-3
— Digital Stream Crossconnect 3 (44.736 Mbps)
MNET
— Minnesota's Network for Enterprise Telecommunications
LQE
— Line Quality Engineering
ADLI
— Automatic Dial Line Identification
TEM
— Telecommunications Expense Management
MFR
— Multi-link Frame Relay
BLERT
— BLock Error Rate Tester
DUITS
— Digital, Ubiquitous, Interoperable, Transparent and Secure
GTSS
— Global Telecom Solutions Sector
PSU
— Packet Switching Unit
SWN
— Statewide Wireless Network
WTPF 3
— World Telecommunication Policy Forum 3
NCP
— Network Control Point
VT
— Virtual Tributary signal
WIT
— Wireless Image Transfer
WACR
— Wide Area Call Reception
NB
— Narrowband
PNVS
— Pilot Night Vision Sensor
CPP
— Calling Party Pays
THAAD
— Theater High Altitude Area Defense
CERN
— Centre Europйen de Recherche Nuclйaire
SSS
— Subscriber Switching Subsystem
AT
— ATtention command
SU
— super-user
DIP
— Dialup Internet Protocol
BEP
— Back-End Processor
CFO
— Core Funded Organization
VQR
— Voice Quality Rating
TSB
— Telecommunications Systems Bulletin
RACE
— Research for Advanced Communications in Europe
IWW
— Internet World Wireless conference
ISUP
— ISDN Service User Part
VRSM
— Voltage, Ringing Signal Modified (inverted)
NOLM
— Nonlinear Optical Loop Mirror
M
— Maintenance (Job Status)
AZDL
— Adjusted Zonal Daily Load
SC
— Standards Committee
CFU
— Call Forward Unconditionally
ASE
— Accredited Systems Engineer
EQ
— Equal To
CNA
— Cell Not Available
ITU-R
— International Telecommunication Union-Radiocommunications
MEAS
— Measured Extended Area Service
CWC
— Center Weight Control
BETAG
— Beginning-End Tag
FA
— Failed Answer
CASE
— Common Application Service Elements
AMSI
— Ameritech Message Signal Interface
NCOSE
— National Council on Systems Engineering
AIP
— Administrative Installation Point
TSP
— Telecom Service Provider
AHT
— Average Holding Time
CSL
— Create a Simple Life
DMS
— Digital Multiplex Switch
WLAR
— Wireless LAN (Local Area Network) Access Repeater
IA5
— International Alpha Set No. 5
CVSD
— Continuously Variable Slope, Delta modulation
TTAC
— Telecommunication Technology Advisory Committee
XNS
— Xerox Network System
LDL
— Long Distance Link
TBR
— Tagged Bit Rate
NE
— Network Entity
MM
— mismatch
ANP
— Autonomous Network Planning
TPE
— Telephony Platform Engine
BT
— British Telecom…
SS#7
— Signaling System # 7
MJU
— Modular Jack Unit
WWVC
— WorldWide VideoConferencing
HLB
— Hierarchical Line Balancing
DRS
— Dial Return System
VCE
— Voice Clarity Enhancement
TVL
— Telecoms Virtual Library
MMF
— Microsoft Mail File
WTPF
— World Telecommunication Policy Forum
WCS
— Wireless Communications Service
RYC
— Returned Your Call
PVRA
— Physical Volume Reserved Area
RI
— Ring In
CTS
— Cordless Telephone System
ITW
— International Telecoms Week
LDDS
— Limited Distance Data Service
IDDD
— International Direct Distance Dialing
MCFI
— Multiple number Call Forwarding Inhibit
RAST
— Receive and Send Terminal
CID
— Call Instance Data
PRAM
— Parameter RAM
DCT
— Digital Cordless Telecommunications
CS
— Communications Satellite
WWAT
— Wireless Wide Area Telemetry
D/U
— Delay Unit
TMOD
— Telecommunications and Mission Operations Directorate
BLT
— Bottom Line Telecommunications
NN
— node number
HPNA
— Home Phoneline Network Adapter
NAB
— National Association Of Broadcasters
UCP
— Universal Communications Platform
DMB
— Digital Multimedia Broadcasting
UMTS
— Universal Mobile Telecom Surfwax
GLD
— German Long Distance
APS
— Affordable Portable Services
DAP
— Demand Access Protocol
CMRS
— Commercial Mobile Radio Services
BDS
— Bundled Digital Services
R
— Rimorchio (trailer)
CSP
— Callback Service Provider
FWT
— Fixed Wireless Terminal
VSR
— Viking Single-line loud Ringer
WEPD
— Weighted Early Packet Discard
UARS
— Upper Atmospheric Research Satellite
WWOM
— Wireless Work Order Management
TIF
— Telecommunications Infrastructure Fund
FCOT
— Fiber Central Office Terminal
XA-SMDS
— Exchange Access Switched Multi-Megabit Data Service
WRRK
— Wireless Router and Repeater Kit
RDY/BSY
— Ready/Busy
CC
— Connection Confirm
WMTS
— Wireless Medical Telemetry Service
DNA
— Daytime Nighttime Anytime
PAD
— Packet Assembler-Disassemble
MDCZ
— Monthly Demand Charge for a Zone
CTWU
— Chunghwa Telecom Workers' Union
SRP
— Spatial Reuse Protocol
BASH-R
— BAndwidth SHaring with Resource constraints
ITTC
— Information and Telecommunication Technology Center
DC
— Dry Circuit
CFA
— Carrier Failure Alarm
DF
— Data Frame
DD
— Digit Directory
DCCX
— Direct Circuit Control Exchange
RTP
— Research Triangle Park
LEO
— Low-Earth-Orbit
TOSL
— Telecommunications Ombudsman Service Limited
CTI
— Computer Telephone Integration
TELCO
— Telecommunications Company
CTUF
— Cape Telecommunications Users Forum
EVRC
— Enhanced Variable Rate CODEC (CODer-DECoder)
E-911
— Enhanced emergency telephone number
ACIS
— Andy Charles Ians System solid modelling geometric engine
IRMA
— Interactive Remote Messaging Application
FO
— Fiber-Optic
WQOS
— Wireless Quality of Service
SCS
— Signal Collection System
RES
— Resident
WN
— Wireless Network
ESFDL
— Extended Super Frame Data-Link
JIS
— Jurisdictional Interstate Service
ISC
— Information Systems Council
STA
— State Transport Authority
VPLS
— Virtual Private LAN (Local Area Network) Service
VWO
— Virtual Wire Operations
VMW
— Vertically Modulated Well
DCN
— Data Communications Network
ECS
— Emergency Communication System
MDC
— Monthly Demand Charge
SWAN
— Structured Wireless Aware Network
TSG
— Test Signal Generator
UNL
— Unlisted
IAST
— Industry Access Service Tariff
VTE
— Virtual Test Environment
ITS
— Institute for Telecommunication Sciences
WTDC 2002
— World Telecom Development Conference 2002
NEBS
— New Equipment Building Specifications
UDTX
— Universal Data Transceiver
WICD
— Wireless Interface Connection Daemon
ASR
— Automatic Send-Receive
EB
— Expanded Basic
TLS
— Telephone Line Simulator
RITS
— Residential Information Technology Services
CAPS
— Common ISDN API Service
RTX
— Real Telephone eXchange
TLX
— TELEX (TELegraph EXchange)
H0
— High-capacity ISDN channel operating at 384 kbps
VAC
— Voice Activity Compression
SPC
— Service Provider Code
RASC
— Radio Access System Controller
DCPZ
— Daily withdrawal coincident with Customer Peak for a Zone
CDM
— Code Division Multiplexing
WTDC 98
— World Telecom Development Conference 1998
WCM
— Wireless Connection Manager
WACM
— Wide Area Communications Management
FFC
— Front-Facing Camera
UTRA
— Universal Terrestrial Radio Access
DUNC
— Dial-Up Networking Connection
VMLA
— Virtual Mobile Location Area
RRO
— Regulated Rate Option
MIS
— Mobile Information Service
WTEL
— Wireless TELephony
CNA
— Certified Novell Administrator
BRITE
— Basic Rate Interface Transmission Extension
RTRP
— Regional Telecommunications Restructuring Project
ITNL
— Indusind Telecom Network Ltd
WBE
— Wireless Business Engine
RZ
— Receive ZModem
MND
— Multi-Number Dialer
IR
— Information Rate
BSM
— Broadband Satellite Multimedia
RATS
— Richmond Amateur Telecommunications Society
ACC
— Automatic Carrier Control
PCL
— Product Computing Module Load(s)
THT
— Total Handling Time
WTCP
— Wireless Transport Control Protocol
VCC
— VSAT (Very-Small-Aperture Terminal) Control Center
TL
— Telephone Lead
BYOP
— Bring Your Own Portal
SDP
— Service Definition and Provisioning
WMTP
— Wireless Messaging Transfer Protocol
CD
— Channel Delay
WTIS
— Wireless Telecommunications Information & Services
SVC
— Signaling Virtual Channel
MPPP
— Multilink Point-to-Point Protocol
IPOD
— Internet Phone Over Data
TL1
— Transaction Language One
ACF
— Admission Confirm
GAT
— GSM, AMPS, and TDMA
IPD
— Intelligent Pulse Decoding
AC
— Armored Cable (electricity)
AL
— Alignment Level
CSP
— Custom SIM Profile
UI
— Unnumbered Information (frame)
ICE
— Information Content Exchange
RANN
— Recorder ANNouncer
SRU
— Single Receiver Unit
IFLS
— Inter-Frequency Load Sharing
CF
— Coin First
EUCL
— End User Common Line
WAP
— Wireless Access Provider
PAL
— Phase Alternating by Line
COPS
— Caring Operators Personal Service
TELECOMMUTE
— Telecommuters
DCR
— Dropped Call Rate
VIDF
— Vertical Intermediate Distributing Frame
RWL
— RF (Radio Frequency) / Wireless Laboratory
SDTA
— South Dakota Telecommunications Association
SS2
— Signalling System 2 (600/750 Hz tones)
WTRS
— Wisconsin Telecommunication Relay System
TDP
— Tag Distribution Protocol
WON
— Wireless Optical Network
DV
— Data and Voice
AM
— Advance Mobile
ISBX
— Internet Satellite Broadcast Exchange
EMX
— Earth and Magneto Signaling
STPI
— Stentor Telecom Policy, Inc.
WNE
— Wireless Network Experiment
LOP-L
— Loss Of Pointer - Line
RI
— Ring Interface
THP
— Terminal Handler Process
GDS
— Generic Digital Services
WNT
— Windows NT
SAC
— Syntax-based Arithmetic Coding
SRB
— Software Release Bulletin
WAP
— Web Access Phone
BCP
— Before Cell Phones
WNP
— Wireless Number Portability
WTS
— Wireless Telecommunication Services
MFRM
— Multi-carrier Flexible Radio Module
WHM
— Wireless Host Module
TOH
— Transport Overhead
FOB
— Forward on Busy
ATZ
— Attention: Reset modem
EOC
— Embedded Operations Channel
VON
— Voice Over Network
TCM
— Tandem Connection Maintenance
UNE-P
— Unbundled Network Element - Platform
UGC
— UnderGround Communications
TLWS
— Trunk and Line Work Station
USITA
— United States Independent Telephone Association
RPS
— Reference Picture Selection
WGIS
— Wireless Geographical Information System
APTG
— Amplifier Probe and Tone Generator Kit
SS7
— Signalling System 7
TDR
— Transaction Data Reports
SMDF
— Subscriber Maintenance Distributing Frame
TRF
— Transmit Reject Filter
CS
— Carrier Sense
VTPM
— Virtual Terminal Protocol Machine
TMT
— Technology, Media, and Telecommunications
CSM
— Communications Services Management
WNRC
— Wireless Networks Research Center
WHAT
— Wireless Hybrid Asynchronous Time-bounded
DOS
— data over signaling
CRA
— Constant Rate Allocation
ET
— Exchange Termination
WNRL
— Wireless Network Research Laboratory
SIT
— Special Information Tone
PTA
— Pre-Transmission Audit
ACD
— Apex Collaborative Dialing
WIXD
— Wireless Internet eXpress Data Connection
MFT
— Metallic Facilities Terminal
TXC
— Transmission Complete
HCF
— High Connection Failure
RHE
— Regional Head-End
WNA
— Wireless Network Adapter
CF
— Call Forward
WCPE
— Wireless Customer Premises Equipment
ISD
— Independent Segment Decoding
WTSF
— Wireless Telecommunication Services Facilities
SATRA
— A Saudi Arabian Telecommunications Regulatory Authority
WADS
— Wireless Access Development System
DA
— Dodecanedioic Acid
SFS
— Start of Frame Sequence
SPTC
— Swaziland Post and Telecommunications Corporation
TE
— Thermoelectric
GTA
— GEORGIA TELECOMMUNICATIONS ASSOCIATION
WNPO
— Wireless Number Portability Operations subcommittee
SCM
— Service Class Mark
RLDI
— Receive Line Data Input
LSP
— Local Support Provider
TIRKS
— Trunk Integrated Records Keeping System
WLN
— WireLess Networking
VSP
— VoIP Service Partner
PSN
— Personal Subscription Number
RII
— Routing Information Indicator bit
WDP
— Wireless Data Pool
VMUI
— Voice Mail User Interface
NCA
— Non-Call Associated
WTDC
— World Telecommunications Development Conference
HIDF
— Horizontal Intermediate Distributing Frame
ET
— Emerging Technologies
NETS
— Nationwide Emergency Telecommunications Service
DCPNZ
— Daily transmission Charge for Peak Non-Zone network load
DFA
— Distribution Feeder Antenna
WPA
— WiFi Protected Access
TLC
— Text Link Cellular
MLC
— Multiple Level Cell
ALS
— Alternative Line Service
WBIA
— Wireless Broadband Internet Access
WLSM
— Wireless LAN (Local Area Network) Springboard Module
T2R
— Trusted Transaction Roaming
BC
— Committed Burst Size
RB
— Randomized Block
LAS
— Local Authentication Service
UG
— User's Group
DT
— Dial Tone
TTK
— Telephone Travel Kit
EMS
— Element Management Service
YLT
— Your Local Telecom
DCAT
— DSL (Digital Subscriber Line) Customer Advocacy Team
MOM
— Mainboard Operation Monitor
ULQ
— User Level Quality
TTE
— Telecommunications Terminal Equipment
WNIU
— Wireless Network Interface Unit
CNA
— Called Number Authority
IUC
— Interconnect Usage Charge
WRI
— Wireless Reader Interface
EPSCS
— Enhanced Private Switch Controlled System
CPEB
— Channel Partner Enablement Briefing
HSOPA
— High-Speed OFDM (Orthogonal Frequency Division Multiplexing) Packet Access
VOIPTXT
— Voice over Internet Protocol Text
SNA
— Systems Network Architecture
IDR
— Installer Design Required
WACP
— Wide Area Calling Plan
WBCS
— Wireless Business Communications Systems
WCTG
— Wireless Communications Technologies Group
RBHC
— Regional Bell Holding Company
DPE
— Dollar Phone Enterprise
TSAPI
— Telephony Server Application Programming Interface
TCA
— Telecom Computing Architecture
OTD
— Open Terminal Directive
IVD
— Integrated Voice and Data
MAP
— Management Assessment Program
WP7
— Windows Phone 7
UNS
— Universal Numbering System
SN
— Station Number
LQF
— Line Quality Function
VMY
— Voice Mobility
RTPB
— Residential consumer Third Party Billing
WICI
— Wireless Innovations in Communications Initiative
BT
— Best Telecommunications
EUS
— End User Segment
SCRG
— Servicing Carrier Reference Guide
WIGLE
— Wireless Geographic Logging Engine
LQI
— Line Quality Indicator
RACE
— Research into Advanced Communications in Europe
HBOS
— High-Bandwidth Optical Services
C
— Connection
LE
— Line Encryption
VODAFONE
— Combined Voice, Data, Telephone:
WAVE
— Wireless Audio Visual Email
USPRO
— United States Product Data Association
ACF
— Advanced Communications Facility
DB
— Dial Back
NCSU
— North Carolina State Universityrsity
BC
— Burst copy
WBT
— Wireless Business Technology
WLTG
— Wireless LAN (Local Area Network) Technology Group
SLTS
— Sri Lanka Telecom Services
AV
— AUTOVON
RLCI
— Receive Line Clock Input
P
— Planning
M-LEAD
— Mouth Lead
SHIT
— Single-Hop Infrastructure Transmission
TPC
— Transmit Power Control
WIAD
— Wireless Integrated Access Device
WWJ
— Wireless Watch Japan (est. 2001)
XDSL
— x (any type of) Digital Subscriber Line
VCA
— Voice Communications Adapter
EDGE
— Edhanced Data Rates for Global Evolution
SNECS
— Single National Emergency Call System
FUNI
— Frame (relay) User Network Interface
QRW
— Quasi-Random Word
WDCX
— Wideband Digital Cross-connect
IRB
— Instituteuction Reorder Buffer
ASLV
— Augumented Satellite Launch Vehicle
MMT
— Multimedia Multiparty Teleconferencing
DP
— Dial Pulsing
UWT
— United World Telecom
T1
— 1,544 Mbits per Second line
XI
— X Identification (frame)
CPIC
— Cost Per Inbound Call
TUMS
— Telephone and Utilities Maintenance System
TMAB
— Telecom Managers Association of Belgium
CP
— Customer Premises
VYP
— Virtual Yellow Pages
MP
— Management Processor
TIC
— Talking In Confidence
WNA
— Wireless Network Auburn
DCPV
— Daily Customer Pool Volume
VMAC
— Voice Mobile Attenuation Code
KTL
— Killarney Telecommunications Ltd
ATR
— Advanced Telecommunications Research laboratory
BP
— Burst Period
CBO
— Call-Back Only
VPF
— Virtual Private Facility
TMAP
— Technical Management Assistance Programme
IKI
— Institut Kosmitcheskikh Issledovanii
SEFL
— Single-Ended Fault Locating
OR
— Office Regenerator
ARP
— Access Responsible Party
NAS
— North American Standard
WPMS
— Wireless Protocol Management System
VMB
— Voice Message Broadcasting
WIAX
— WIreless Internet Access
WIPN
— Wireless Internet Protocol Network
BCDMA
— Broadband CDMA
RWT
— Receiver Wait Time
WTID
— World TELECOM Internet Day
CMM
— Cable Management Module
RPS
— Really Poor Service
RR
— Receiver Ready
TTX
— TeleTeXt
DLT
— Double Leading Tone
WWCE
— World Wide Cellular Extension
PTCL
— Pakistan TeleComunication Land-line
CPI
— Computer-PBX Interface
WOSN
— Wireless Optimization Service Node
RGC
— Resource-Guaranteed Connection
VMES
— Vehicle-Mounted Earth Station
WWO
— Wireless Work Order
OHD
— Optical Heterodyne Detection
WTNO
— Wireless Technologies and Network Overview
WDDF
— Wireless Data Delivery Function
UMTS
— Unified Mobile Telecommunication System
WGEN
— Wireless GENeration
APTG
— Academy for Professional TraininG
RA
— Return Alarm
WRAN
— Wireless Rural Area Network
RPE-LTP
— Regular Pulse Excited - Long Term Prediction
TACS
— Total Access Communications Systems
CTR
— Carrier Telegraph Receiver
IMS
— IP (Internet Protocol) Multimedia Subsystem
GWCS
— General Wireless Communications Service (46560 - 4685 MHz)
WIMC
— Wireless Intelligent Mobile Communicator
CD
— Connect Direct
VFM
— Voice Frequency Measurement
TICS
— Telecommunications And Instructional Computing Support
RTE
— Run-Time Environment
QC
— Quality Conversation
WPMS
— Wireless Pay phone Management System
SSD
— Source-surface Distance
BS
— Basic Service
IMM
— Interactive Mobile Media
SLC
— Subscriber Line Concentrator
PTC
— Pots Tandem Centrex
WLIA
— Wireless Location Industry Association
ZDL
— Zonal Daily Load
JLS
— Just Lousy Service
STX
— Start of Transmission
HN
— Home Number
F
— Flowability
TBF
— Telephone Band Filtering
MLP
— Multi-layer Perception
UL
— Upper Layer
SILO
— Signal Intercept from Low Orbit
SPV
— Sound, Picture, Voice
PIC
— Pre-Subscribed Interexchange Carrier
RSS
— Remote Switching Sites
RSS
— Remote Switching System
TW
— TWinbrook (telephone exchange)
QNL
— QoS Networking Laboratory, Boston University
TBQ
— Telecommunications Billing Question
MBA
— Message Body Authenticator
CLID
— Calling Line IDentifier
LSI
— Loop Start Interface
DT
— Dialup Terminal
DCU
— Drum Control Unit
WECM
— WebSphere Everyplace Connection Manager
WCIT
— World Conference on International Telecommunications
RALB
— Resource All Busy
CPP
— Calling Party Pay
PSS
— Phone Search Space
WWRF
— Wireless World Research Forum
PD
— Power Distribution
RPT
— Reply Paid Telegram
RCE
— Region Code Enhancement
WGX
— WebPhone Gateway eXchange
UTI
— Union Internationale des Telecommunications
SWF-DS1
— SWitched Fractional Digital Signal 1 line
VFM
— Voice/ Fax Module
ITC
— Interstate Telecommunications Cooperative
VRR
— Videoconferencing Reservation Request
CP
— Charging Party
TAP
— Telocator Alphanumeric Paging
WFII
— Wireless Facilities Information Infrastructure
NMS
— Network Management Service
ISD
— Instituteuctional Systems Design
BOT
— Baseline of Text
WFQ
— Weighted Fair Queueing
SHOE
— Simple Hypertext Ontology Extensions
WFOC
— Wireless Full Operational Capability
T
— Tipper
CENTREX
— Central Office Exchange
SCPI
— Standard Commands for Programmable Instituteuments
BS
— Burst Selector
WLAB
— Wireless LAN (Local Area Network) Access Bridge
B
— Bits
WLLD
— Wireless Local Loop Delivery
WTFB
— World Telecoms Financial Benchmarks
WFUP
— Wireless Fair Usage Policy
RSI
— Repetative Strain Injury
TSY
— Telephony Server
RKB
— Ring Knowledge Base
WBCT
— Wireless Broadband Communications Technology
VA
— Voice Activity
TSB
— Telecommunications System Bulletin
TETRA
— Trans-European Trunked RAdio
TLPU
— Telecommunications Line Protector Unit
FSS
— Fixed Satellite System
MAPS
— Maps Application Provisioning System
TSD
— Transmission System Development
FDS
— Filtering, Distributing, and Serving
SLT
— Signaling Link Termination
WSI
— Wireless Services Integration
GC
— Global Communications
UNP
— UN-Published
IDDD
— International Direct Dialing Designator
ULSI
— Ultra Large-scale Integration
TCMS
— Trunked Code Management System
VLDS
— Very Large Data Storage
BPS
— Baud per Second
TMR
— Trunked Mobile Radio
WCTB
— Wireless Campus TestBed
WGS
— Worldwide Geodesic System
RCS
— Radio Cluster Server
VQC
— Vector Quantizing Code
ITR
— Intelligent Text Retrieval
SWNI
— Smart Wireless Network Interface
MARS
— Military Affiliated Radio System
SLIM
— Service Level Improvement Method
UPMT
— Universal Per-application Mobility management using Tunnels
WOQS
— Wireless Operator Quarterly Service
CRT
— Combined Rlogin and Telnet
VMS
— Virtual Machine System
ISC
— Infrastructure Service Charge
WWZA
— Wireless WorkZone Alliance
CAS
— Carrier Activity Sensor
IDS
— Information Directory Service
CSA
— Carrier Servicing Area
WRBB
— Wireless Rural BroadBand
SE
— Status Enquiry
TSA
— Terminating Switched Access
LCWN
— LiveCache Wireless Network
DB
— Dropped Burst
HTI
— Handoff Transfer Initiate
WCFQ
— Wireless Credit-based Fair Queueing
CF
— Carrier Furnished
UCC
— Universal Connectivity Charge
AU
— Audio Units
WBGK
— Wireless BridGe Kit
WTNPA
— Wireless Telephone Number Portability Act
CAT
— Charges, Access, and Terms
RCMAG
— Recent Change Memory Administration Group
PTML
— Pakistan Telecommunications Mobile, LTD.
VQI
— Voice Quality Improvement
SSS
— Switching Subsystem
VTAC
— Vermont Telecommunications Application Center
WBOX
— Wireless in a Box
BM
— Maximum Burst size
SVD
— Simultaneous Voice and Data Processor
SRM
— Short-Range Modem
WRB
— Wireless Receiver Box
NM
— Network Manager (GSFC)
GRT
— Georgian Railway Telecom
TRD
— Timed Release Disconnect
WT
— Wireless Telephony
ROI
— Return On Information
RUIM
— Removable User Identification Module
WLA
— WireLess Access
PVS
— Pennisula Video Surveillance
MLS
— Mobile Location Services
SLLR
— Single Line Loud Ringer
TTS
— Telephone Traffic Simulator
ZFH
— Novell ZENworks For Handhelds
SS
— Single Step
BGSA
— Banded Geographical Service Area
WTSO
— Washington Telecommunications Services and Operations
MMS
— Meteorological Measurement System
VNT
— Very Nice Telephone
S
— Subscriber
IMR
— International Mobile Roaming
TIP
— Telecommunications Infrastructure Planning
RTNZ
— Rate for Transmission service for a Non-Zone load
WTAI
— Wireless Telephony Applications Interface
WNL
— Wireless Networks Laboratory
QOB
— Quality Of Burst
TLC
— Telecommunication Link Controller
NACSIM
— National Communications Security Information Memorandum
VERT
— Vertical (distribution frame)
RTS
— Real-Time Simulator
FTFW
— FactoryTalk For Windows
WLEC
— WireLess Ethernet Converter
LR
— Line Rate
TLR
— Traffic Line Remover
SAM
— System Administration Manager
TFA
— Toll Free Authorization
VINF
— Vista INformation Solution
TTR
— Touch Tone Required
LTA
— Leased Transport Area
SMT
— Secure Mobile Transfer
TTFG
— Telecommunications Technology Forecasting Group
WIBR
— WIreless gate BRidge
VANS
— Value Added Network Services
URQ
— Unregistration Request
TBS
— Telephone Billing Service
PWP
— Plastic Wall Phone
WTCD
— World Telephone Card Databank
VO
— Validation Office
CTM
— Cellular Textphone Modem
STN
— Satellite Telecommunications Networks
WBBI
— Wireless BroadBand Internet
WIZ
— Wireless Internet Zone
F
— Farenheit
FC
— Fiber Channel
LW
— Long-wavelength
SCAYNP
— Someone Calls And You No Pay
RCVS
— Recharge Card Voucher System
FB
— Framing Bit
TMO
— Telecommunications Management Officer
SMI
— Subsystem Multiplicity Indicator
WNQR
— Wireless Network Quality Review
MJC
— Modular Jack Cable
TDSA
— TELCO (TELephone COmpany) Distribution Support Architecture
SRP
— Specialized Resource Point
ISM
— Invocation State Machine
ISUP
— International Standards Telecommunications Union
O
— Oblique
TACS
— Telephone Access Customer Satisfaction
AMI
— Alternate Mark Indicator
UNLD
— UNlimited Long Distance
WUSI
— Wireless Universal Strike Interface
SDNB
— Secondary DN Call Blocking
DTS
— Data Telecom Support
WWSI
— Wireless Web Systems Integration
WPCS
— Wireless Personal Communications Services
WWTA
— World Wireless Technologies, Asia
DS
— Data Service
ICE
— Integrated Communications Environment
TISM
— Telecommunication, Information Studies and Media
SMS
— Server Malloc (Memory ALLOCation) System
O
— Other
WSP
— Wireless Signal Processor
TNS
— Terminating Noncritical Section
WCRM
— Wireless Customer Relationship Management
ASB
— Application-Specific Bit
ULLS
— Unconditioned Local Loop Service
VMR
— Video Mail Retrieval
TNS
— Telephone Notification System
WNAR
— Wireless Network Access Requirements
WCTP
— Wireless Communication Transfer Protocol
UMC
— Ukrainian Mobile Communications
RAU
— Residential Adaptor Unit
BTS
— Best Transmission Second
RAT
— Radio Access Technologies
SCC
— Service Connection Charges
IPM
— Interpersonal Messaging System
WNI
— Wireless Network Interface
EPPR
— Empty Packet Production Rate
WNQ
— Wireless Network Quality
COC
— Carrier of Carriers
ITR
— International Telecommunication Regulations
IAV
— Images, Audio, Video
WMIP
— Wireless-Mobility Integration Protocol
RIM
— Remote Integrated Mulitplexor
SCC
— Switching Control Center
TOS
— Terms Of Service
WLDD
— Wireless Location-Dependent Data
UKB
— Universal Keyboard
SOA
— Service Order Administration
VZP
— Virtual Zapping Phone
TTD
— Temporary Transmit Delay
TVM
— T1 Voice Module
SAM
— Sme Access For Mobile
SMC
— Switch Management Center
WLSS
— WireLess Select Switch
WHIW
— Wireless Home Installation Wizard
WVAS
— Wireless Value Added Services
TSI
— Telecommunications Services Inc
TTP
— Third-Party Provider
WBSN
— Wireless Broadband-Sharing Network
CT
— Channel Termination
TTE
— Tallahassee Telephone Exchange
SX
— Simplex (one-way)
MWC
— Multi-Way Calling
VQL
— Vector Quantizing Level
TMD
— Trunk Main Distributing
VCC
— Virtual Call Center
ITP
— Interdisciplinary Telecom Program
WIEA
— Wireless Internet Enterprise Application
CAS
— Combined Antennae Services
SSP
— Secure Service Provider
TS
— Tip and Sleeve
WDSN
— Wireless Distributed Sensor Networks
NSC
— Non-Standard Facilities Command
VIEW
— Virtual Interface Environment Workstation
AP
— Applications Processor
ISI
— Institute of Scientific Information
TWT
— Time Warner Telecom
RINO
— Roaming International Network Operator
VNTR
— Variable Number Tandem Repeats
PC
— Process Control
LVZ
— Line Variance Zero
WTRN
— Wireless Token Ring Network
MLE
— Metropolitan Line Extension
SIO
— Subscribers In Operation
MB
— Medium Band
TJR
— Trunk and Junction Routing
TPSN
— Triple Play Subscriber Network
CAL
— Connection Access License
DM
— Distributed Management
FP
— Full Period of service
TIRF
— Telecoms Industry Regulatory Forum
CU
— Copper Local Loop
ISA
— Innovative Slot Allocation
SIP
— Service Interface Point
RTDF
— Rural Telecomunication Development Fund
FAS
— Fals ansewring supervision
WRBS
— Wireless Router Base Station
SG
— Supergroup
FAST
— Field Automated Subscriber Testing
LG
— Line Good
VQE
— Voice-Quality Enhancements
RDN
— Relative Distinguishing Name
IVS
— Interactive Video Services
RC
— Rudy's Cellular
WEWI
— Wireline Electronic Weight Indicator
TMC
— Timeslot Management Channel
PSA
— Protocol-Specific Annex
SRD
— Short Range Devices
UA
— Universal Access
ETC
— Eligible Telecommunications Carrier
TPS
— Transmission Parameter Signalling
VIL
— Voice Interconnect Link
TELEX
— TELegraph EXchange
QPW
— QUIKPAGER Wireless
AMS
— Analog and Mixed Signal
WIPSC
— Wireless Intelligent Personal Server Consortium
LTS
— Laboratory for Telecommunication Sciences
SD
— Signal distribution
SP
— Single Purpose
STR
— Synchronous Transmitter/Reciever
TC
— Terminating Channel
TPQ
— Transmission Power Quality
RYP
— Romanian Yellow Pages
SLM
— Signal Line Measurement
MAP
— Manufacturers Application Protocol
SCC
— SuperComputer Center
AN
— Accessory Number
DE
— Development Estimate
WLSE
— Wireless LAN (Local Area Network) Solution Engine
CI
— CHARM Interface
FT
— Field Testing
WCS
— Wireless Communication Services
TAB
— Tape Automated Bonding
SPF
— Summertime Phone Functionality
SARS
— Service Assistance Referral System
WLHP
— WireLess HeadPhone
WBA
— Wireless Business Application
WCOE
— Wireless Center of Excellence
WRAPS
— Wireless Remote Audio Perimeter Sharing
TIE
— Telephone Interconnect Equipment
TAC
— Terminal Access Circuit
FPS
— Fast Packet Switching
WFZ
— Wire Free Zone
SNAP
— Subnetwork Access Point
FSS
— Fixed Satellite Services
MBS
— Meter Backflow Services
LAW
— Local Area Wireless
VTS
— Virtual Talk Session
SSG
— Signalling Server Global
WWYP
— Westford Web Yellow Pages
MCN
— Mittweidaer CampusNet
WNPD
— Wireless Network Persistent Data
TSM
— Telecommunications Systems Management
RTA
— Rapid Thermal Annealing
PTC
— Pacific Telecommunications Council
SCP
— Service Commitment Period
WCZO
— Wireless Communication Zoning Ordinance
RB
— Reverse Billing
CUA
— Call Unit Autodialer
GTI
— Graphics, Text, and Images
HS
— Heterogeneous Services
PSP
— Payphone Service Provider
ALS
— Accounts Ledger System
IAC
— Install And Commission
ITA
— Inferior Telecommunications Apparatus
WLDS
— Wilkes Long Distance Service
PST
— Public Safety Telecommunications
TDU
— T1 Distribution Unit
MC
— Make Call
WIXC
— Wireless Internet eXpress Connection
TES
— Telecom Electric Supply
SB
— Service Billing
TT
— Tiny Telephone
FL
— Fiber Link
FTW
— France Telecom Wireless
SS4
— Signalling System 4 (2040/2400 Hz tones)
IPS
— Instituteuctions Per Second
TCT
— Tin Can Technology
RO
— Recieve Only
WMBD
— Wireless Media Broadcast Device
STC
— Signaling Transport Converter
VZBB
— Verizon BroadBand
UIQ
— User Interface Quartz
ESP
— Electro-Selective Pattern
CTR
— Covert Telephone Recording
UMS
— Universal Messaging System
SO
— Serving Office
STS
— Small Telephone System
TIE
— Telephone Interconnect Expansion
YPBX
— Ytelco Private Branch Exchange
EOC
— End Of Contents
RI
— Ring Indicate
TI
— Time Independent
TCP
— Telephone Connecting Program
RTB
— Remote Telephone Bell
SLM
— Signal Leakage Meter
RC
— Rating and Certification
IMS
— Internal Messaging System
WIUB
— WIreless Universal Base-mounted
SAG
— Subscription Assignment Group
WURST
— Wideband, Uniform Rate, Smooth Truncation
SCD
— Strong Commit Dependency
TSL
— Transaction Sublayer
WWZ
— Wireless Work Zone
TAP
— Telecommunity Appalachian Project
RCS
— Real Communication Solution
TT
— Touch Tone
T
— Telecom
RB
— Resource Bearer
RD
— Receive Delay
WCS
— Wireless Coupon System
SA
— Service Analysis
OC
— Operations Channel
MCP
— Mobile Centered Paging
TSR
— Telephone Special Range
WIKS
— Wireless Interactive Keypad System
MCA
— Missed Calls Alert
SU
— Service Unlimited
TMS
— Time-Multiplexed Switch
SSS
— Self-Synchronous Scrambling
RI
— Receiver Induced
ER
— EntityRelationship
VWM
— Virtual Wire Manager
SCM
— Selected Communications Mode
RDD
— Random Digit Dialing
PPC
— Pay-Per-Call
SIF
— Signaling Information Fields
TOPS
— Terahertz to Optical Pulse Source
TIM
— Telecom Idea Management
WLHB
— WireLine HandBook
TCO
— Total Connection Operation
TS
— Telecom Server
ROS
— Remote Operations Service
TOS
— Testing Operation System
TP
— Typical Provider
TO
— Telecommunications Operator
SD
— Software Distributor
RSU
— Required Service Utilization
TLC
— Transparent Line Control
RAS
— Remote Access Services
SI
— Service Indication
RT
— Refuse Transmission
VIS
— Vodafone International Services
VR
— Variable Rate
SC
— Supervisory Center
WOW
— WithOut Wires
TPI
— Tip-Party Identification
SSC
— Service Shortcut Changer
SR
— Subscriber Ready
TOC
— Telecommunications Outdoor Connectors
Show More Results
100