What does MTSO stand for?

MTSO stands for "Mobile Telephone Switching Office"

How to abbreviate "Mobile Telephone Switching Office"?

"Mobile Telephone Switching Office" can be abbreviated as MTSO

What is the meaning of MTSO abbreviation?

The meaning of MTSO abbreviation is "Mobile Telephone Switching Office"

What does MTSO mean?

MTSO as abbreviation means "Mobile Telephone Switching Office"