What does OOS stand for?
OOS stands for "OTM Overhead Signal"
How to abbreviate "OTM Overhead Signal"?
"OTM Overhead Signal" can be abbreviated as OOS
What is the meaning of OOS abbreviation?
The meaning of OOS abbreviation is "OTM Overhead Signal"
What does OOS mean?
OOS as abbreviation means "OTM Overhead Signal"
