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