What does OCS stand for?
OCS stands for "Originating Call Screening"
How to abbreviate "Originating Call Screening"?
"Originating Call Screening" can be abbreviated as OCS
What is the meaning of OCS abbreviation?
The meaning of OCS abbreviation is "Originating Call Screening"
What does OCS mean?
OCS as abbreviation means "Originating Call Screening"
