What does SS3 stand for?

SS3 stands for "Signalling System 3 (2280 Hz tone)"

How to abbreviate "Signalling System 3 (2280 Hz tone)"?

"Signalling System 3 (2280 Hz tone)" can be abbreviated as SS3

What is the meaning of SS3 abbreviation?

The meaning of SS3 abbreviation is "Signalling System 3 (2280 Hz tone)"

What does SS3 mean?

SS3 as abbreviation means "Signalling System 3 (2280 Hz tone)"