What does TTO stand for?
TTO stands for "Telecommunication Tariff Order"
How to abbreviate "Telecommunication Tariff Order"?
"Telecommunication Tariff Order" can be abbreviated as TTO
What is the meaning of TTO abbreviation?
The meaning of TTO abbreviation is "Telecommunication Tariff Order"
What does TTO mean?
TTO as abbreviation means "Telecommunication Tariff Order"
