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