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