What does UDUB stand for?
UDUB stands for "User-Determined User Busy"
How to abbreviate "User-Determined User Busy"?
"User-Determined User Busy" can be abbreviated as UDUB
What is the meaning of UDUB abbreviation?
The meaning of UDUB abbreviation is "User-Determined User Busy"
What does UDUB mean?
UDUB as abbreviation means "User-Determined User Busy"
