What does R2 stand for?
R2 stands for "Signalling system used for telephone exchanges"
How to abbreviate "Signalling system used for telephone exchanges"?
"Signalling system used for telephone exchanges" can be abbreviated as R2
What is the meaning of R2 abbreviation?
The meaning of R2 abbreviation is "Signalling system used for telephone exchanges"
What does R2 mean?
R2 as abbreviation means "Signalling system used for telephone exchanges"
