What does ATMB stand for?
ATMB stands for "Automatic Trunk Make Busy"
How to abbreviate "Automatic Trunk Make Busy"?
"Automatic Trunk Make Busy" can be abbreviated as ATMB
What is the meaning of ATMB abbreviation?
The meaning of ATMB abbreviation is "Automatic Trunk Make Busy"
What does ATMB mean?
ATMB as abbreviation means "Automatic Trunk Make Busy"
