What does ISDN stand for?
ISDN stands for "Incredibly Speedy Data Now"
How to abbreviate "Incredibly Speedy Data Now"?
"Incredibly Speedy Data Now" can be abbreviated as ISDN
What is the meaning of ISDN abbreviation?
The meaning of ISDN abbreviation is "Incredibly Speedy Data Now"
What does ISDN mean?
ISDN as abbreviation means "Incredibly Speedy Data Now"
