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