What does ISDN/UP stand for?
ISDN/UP stands for "Integrated Services Digital Network/Users Part"
How to abbreviate "Integrated Services Digital Network/Users Part"?
"Integrated Services Digital Network/Users 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/Users Part"
What does ISDN/UP mean?
ISDN/UP as abbreviation means "Integrated Services Digital Network/Users Part"
