What does DSDN stand for?
DSDN stands for "Designated Secondary Directory Number"
How to abbreviate "Designated Secondary Directory Number"?
"Designated Secondary Directory Number" can be abbreviated as DSDN
What is the meaning of DSDN abbreviation?
The meaning of DSDN abbreviation is "Designated Secondary Directory Number"
What does DSDN mean?
DSDN as abbreviation means "Designated Secondary Directory Number"
