What does SS1 mean in Computing & IT

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All SS1 meanings

What does SS1 stand for?

SS1 stands for "Signalling System 1 (500/20 Hz tones)"

How to abbreviate "Signalling System 1 (500/20 Hz tones)"?

"Signalling System 1 (500/20 Hz tones)" can be abbreviated as SS1

What is the meaning of SS1 abbreviation?

The meaning of SS1 abbreviation is "Signalling System 1 (500/20 Hz tones)"

What does SS1 mean?

SS1 as abbreviation means "Signalling System 1 (500/20 Hz tones)"