What does ISDN stand for?
ISDN stands for "Incompatible Silly Digital Nonsense"
How to abbreviate "Incompatible Silly Digital Nonsense"?
"Incompatible Silly Digital Nonsense" can be abbreviated as ISDN
What is the meaning of ISDN abbreviation?
The meaning of ISDN abbreviation is "Incompatible Silly Digital Nonsense"
What does ISDN mean?
ISDN as abbreviation means "Incompatible Silly Digital Nonsense"
