What does CCBs stand for?
CCBs stands for "Callback to Busy Subscriber"
How to abbreviate "Callback to Busy Subscriber"?
"Callback to Busy Subscriber" can be abbreviated as CCBs
What is the meaning of CCBs abbreviation?
The meaning of CCBs abbreviation is "Callback to Busy Subscriber"
What does CCBs mean?
CCBs as abbreviation means "Callback to Busy Subscriber"
