What does OSSU stand for?
OSSU stands for "Operator Services Switching Unit"
How to abbreviate "Operator Services Switching Unit"?
"Operator Services Switching Unit" can be abbreviated as OSSU
What is the meaning of OSSU abbreviation?
The meaning of OSSU abbreviation is "Operator Services Switching Unit"
What does OSSU mean?
OSSU as abbreviation means "Operator Services Switching Unit"
