What does cttl stand for?
cttl stands for "Call Transfer to Tie Lines"
How to abbreviate "Call Transfer to Tie Lines"?
"Call Transfer to Tie Lines" can be abbreviated as cttl
What is the meaning of cttl abbreviation?
The meaning of cttl abbreviation is "Call Transfer to Tie Lines"
What does cttl mean?
cttl as abbreviation means "Call Transfer to Tie Lines"
