What does FSR stand for?
FSR stands for "Frequency Selective Ringing"
How to abbreviate "Frequency Selective Ringing"?
"Frequency Selective Ringing" can be abbreviated as FSR
What is the meaning of FSR abbreviation?
The meaning of FSR abbreviation is "Frequency Selective Ringing"
What does FSR mean?
FSR as abbreviation means "Frequency Selective Ringing"
