What does USBS stand for?
USBS stands for "User Signaling Bearer Service"
How to abbreviate "User Signaling Bearer Service"?
"User Signaling Bearer Service" can be abbreviated as USBS
What is the meaning of USBS abbreviation?
The meaning of USBS abbreviation is "User Signaling Bearer Service"
What does USBS mean?
USBS as abbreviation means "User Signaling Bearer Service"
