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