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Signaling (telecommunications)
Dial tone
Ringtone
Ringing tone
Busy signal
Reorder tone
Disconnect tone
Special information tone
Off-hook tone
Zip tone
2600 Hz
Dual-tone multi-frequency
Multi-frequency signaling
Signaling System No. 5
Signalling System No. 7
Telephones portal
Category
:
Telephony signals
From Wikipedia, the free encyclopedia
v
t
e
Signaling (telecommunications)
Dial tone
Ringtone
Ringing tone
Busy signal
Reorder tone
Disconnect tone
Special information tone
Off-hook tone
Zip tone
2600 Hz
Dual-tone multi-frequency
Multi-frequency signaling
Signaling System No. 5
Signalling System No. 7
Telephones portal
Category
:
Telephony signals
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