What does DDI stand for?
DDI stands for "Direct Dialing Incoming"
How to abbreviate "Direct Dialing Incoming"?
"Direct Dialing Incoming" can be abbreviated as DDI
What is the meaning of DDI abbreviation?
The meaning of DDI abbreviation is "Direct Dialing Incoming"
What does DDI mean?
DDI as abbreviation means "Direct Dialing Incoming"