What does OISC stand for?
OISC stands for "Overseas International Switching Center"
How to abbreviate "Overseas International Switching Center"?
"Overseas International Switching Center" can be abbreviated as OISC
What is the meaning of OISC abbreviation?
The meaning of OISC abbreviation is "Overseas International Switching Center"
What does OISC mean?
OISC as abbreviation means "Overseas International Switching Center"
