What does TGSN stand for?
TGSN stands for "Trunk Group Serial Number"
How to abbreviate "Trunk Group Serial Number"?
"Trunk Group Serial Number" can be abbreviated as TGSN
What is the meaning of TGSN abbreviation?
The meaning of TGSN abbreviation is "Trunk Group Serial Number"
What does TGSN mean?
TGSN as abbreviation means "Trunk Group Serial Number"
