What does ISDTT stand for?
ISDTT stands for "Integrated Services Digital Tie Trunk"
How to abbreviate "Integrated Services Digital Tie Trunk"?
"Integrated Services Digital Tie Trunk" can be abbreviated as ISDTT
What is the meaning of ISDTT abbreviation?
The meaning of ISDTT abbreviation is "Integrated Services Digital Tie Trunk"
What does ISDTT mean?
ISDTT as abbreviation means "Integrated Services Digital Tie Trunk"