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