What does CDOS stand for?
CDOS stands for "Customer Dialed, Operator Serviced"
How to abbreviate "Customer Dialed, Operator Serviced"?
"Customer Dialed, Operator Serviced" can be abbreviated as CDOS
What is the meaning of CDOS abbreviation?
The meaning of CDOS abbreviation is "Customer Dialed, Operator Serviced"
What does CDOS mean?
CDOS as abbreviation means "Customer Dialed, Operator Serviced"
