What does OTR stand for?
OTR stands for "Operator Trouble Report"
How to abbreviate "Operator Trouble Report"?
"Operator Trouble Report" can be abbreviated as OTR
What is the meaning of OTR abbreviation?
The meaning of OTR abbreviation is "Operator Trouble Report"
What does OTR mean?
OTR as abbreviation means "Operator Trouble Report"
