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