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