What does ISDNUP stand for?
ISDNUP stands for "ISDN User Part"
How to abbreviate "ISDN User Part"?
"ISDN User Part" can be abbreviated as ISDNUP
What is the meaning of ISDNUP abbreviation?
The meaning of ISDNUP abbreviation is "ISDN User Part"
What does ISDNUP mean?
ISDNUP as abbreviation means "ISDN User Part"
