What does ISDN stand for?
ISDN stands for "Integrated Servcies Digital Network"
How to abbreviate "Integrated Servcies Digital Network"?
"Integrated Servcies Digital Network" can be abbreviated as ISDN
What is the meaning of ISDN abbreviation?
The meaning of ISDN abbreviation is "Integrated Servcies Digital Network"
What does ISDN mean?
ISDN as abbreviation means "Integrated Servcies Digital Network"
