What does RDD stand for?
RDD stands for "Random Digit Dialing"
How to abbreviate "Random Digit Dialing"?
"Random Digit Dialing" can be abbreviated as RDD
What is the meaning of RDD abbreviation?
The meaning of RDD abbreviation is "Random Digit Dialing"
What does RDD mean?
RDD as abbreviation means "Random Digit Dialing"