What does RSM stand for?
RSM stands for "Ringing and Signal Machine"
How to abbreviate "Ringing and Signal Machine"?
"Ringing and Signal Machine" can be abbreviated as RSM
What is the meaning of RSM abbreviation?
The meaning of RSM abbreviation is "Ringing and Signal Machine"
What does RSM mean?
RSM as abbreviation means "Ringing and Signal Machine"
