What does CCIST stand for?
CCIST stands for "Common Channel Interoffice Signaling Telephony"
How to abbreviate "Common Channel Interoffice Signaling Telephony"?
"Common Channel Interoffice Signaling Telephony" can be abbreviated as CCIST
What is the meaning of CCIST abbreviation?
The meaning of CCIST abbreviation is "Common Channel Interoffice Signaling Telephony"
What does CCIST mean?
CCIST as abbreviation means "Common Channel Interoffice Signaling Telephony"
