What does csfb stand for?
csfb stands for "Circuit Switched Fall Back"
How to abbreviate "Circuit Switched Fall Back"?
"Circuit Switched Fall Back" can be abbreviated as csfb
What is the meaning of csfb abbreviation?
The meaning of csfb abbreviation is "Circuit Switched Fall Back"
What does csfb mean?
csfb as abbreviation means "Circuit Switched Fall Back"
