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