What does ISUP stand for?
ISUP 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 ISUP
What is the meaning of ISUP abbreviation?
The meaning of ISUP abbreviation is "Integrated Services Digital Network User Part"
What does ISUP mean?
ISUP as abbreviation means "Integrated Services Digital Network User Part"
