What does OCNA stand for?
OCNA stands for "Own Calling Number Announcement"
How to abbreviate "Own Calling Number Announcement"?
"Own Calling Number Announcement" can be abbreviated as OCNA
What is the meaning of OCNA abbreviation?
The meaning of OCNA abbreviation is "Own Calling Number Announcement"
What does OCNA mean?
OCNA as abbreviation means "Own Calling Number Announcement"
