What does VBM stand for?
VBM stands for "Voice Band Modems"
How to abbreviate "Voice Band Modems"?
"Voice Band Modems" can be abbreviated as VBM
What is the meaning of VBM abbreviation?
The meaning of VBM abbreviation is "Voice Band Modems"
What does VBM mean?
VBM as abbreviation means "Voice Band Modems"
