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