What does Ist/tt stand for?
Ist/tt stands for "Ist and Other Tie Trunk"
How to abbreviate "Ist and Other Tie Trunk"?
"Ist and Other Tie Trunk" can be abbreviated as Ist/tt
What is the meaning of Ist/tt abbreviation?
The meaning of Ist/tt abbreviation is "Ist and Other Tie Trunk"
What does Ist/tt mean?
Ist/tt as abbreviation means "Ist and Other Tie Trunk"