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