What does TSVS stand for?
TSVS stands for "Toll Switching, Voice Switching"
How to abbreviate "Toll Switching, Voice Switching"?
"Toll Switching, Voice Switching" can be abbreviated as TSVS
What is the meaning of TSVS abbreviation?
The meaning of TSVS abbreviation is "Toll Switching, Voice Switching"
What does TSVS mean?
TSVS as abbreviation means "Toll Switching, Voice Switching"
