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