What does CTSO stand for?
CTSO stands for "Cellular Telephone Switching Office"
How to abbreviate "Cellular Telephone Switching Office"?
"Cellular Telephone Switching Office" can be abbreviated as CTSO
What is the meaning of CTSO abbreviation?
The meaning of CTSO abbreviation is "Cellular Telephone Switching Office"
What does CTSO mean?
CTSO as abbreviation means "Cellular Telephone Switching Office"
