What does TTRS stand for?
TTRS stands for "Touchtone Telephone Registration System"
How to abbreviate "Touchtone Telephone Registration System"?
"Touchtone Telephone Registration System" can be abbreviated as TTRS
What is the meaning of TTRS abbreviation?
The meaning of TTRS abbreviation is "Touchtone Telephone Registration System"
What does TTRS mean?
TTRS as abbreviation means "Touchtone Telephone Registration System"
