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