What does OHD stand for?
OHD stands for "Off-Hook Delay"
How to abbreviate "Off-Hook Delay"?
"Off-Hook Delay" can be abbreviated as OHD
What is the meaning of OHD abbreviation?
The meaning of OHD abbreviation is "Off-Hook Delay"
What does OHD mean?
OHD as abbreviation means "Off-Hook Delay"
