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