What does VFD stand for?
VFD stands for "Voice Frequency Dialing"
How to abbreviate "Voice Frequency Dialing"?
"Voice Frequency Dialing" can be abbreviated as VFD
What is the meaning of VFD abbreviation?
The meaning of VFD abbreviation is "Voice Frequency Dialing"
What does VFD mean?
VFD as abbreviation means "Voice Frequency Dialing"
