What does VTSP stand for?
VTSP stands for "Voice Telephony Service Provider"
How to abbreviate "Voice Telephony Service Provider"?
"Voice Telephony Service Provider" can be abbreviated as VTSP
What is the meaning of VTSP abbreviation?
The meaning of VTSP abbreviation is "Voice Telephony Service Provider"
What does VTSP mean?
VTSP as abbreviation means "Voice Telephony Service Provider"
