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- Signal_tone abstract "A signal tone or signalling tone (or signaling tone) is a steady periodic sound (not necessarily a pure tone) used to indicate a condition, for example on a telephone line or as an audible warning. In telephone systems, these tones are in-band indicators to subscribers, as opposed to in-band and out-of-band switching Signaling (telecommunications) tones. Typical major signal tones are dial tone, ringing tone, busy tone, and number unavailable tone. A loud annoying interrupted warning signal tone is used to alert subscribers of an engaged telephone circuit which will not ring, warning that the other party has disconnected as a reminder to indicate the handset is not properly hung up.Subscribers may choose to include additional Vertical service code Custom Local Area Signaling Services such as Call Forwarding which may indicate function by a rapid period of interrupting the dial tone or tones of higher or lower pitch.".
- Signal_tone wikiPageID "28865739".
- Signal_tone wikiPageRevisionID "551104930".
- Signal_tone hasPhotoCollection Signal_tone.
- Signal_tone subject Category:Telephony_signals.
- Signal_tone type Abstraction100002137.
- Signal_tone type Communication100033020.
- Signal_tone type Signal106791372.
- Signal_tone type TelephonySignals.
- Signal_tone comment "A signal tone or signalling tone (or signaling tone) is a steady periodic sound (not necessarily a pure tone) used to indicate a condition, for example on a telephone line or as an audible warning. In telephone systems, these tones are in-band indicators to subscribers, as opposed to in-band and out-of-band switching Signaling (telecommunications) tones. Typical major signal tones are dial tone, ringing tone, busy tone, and number unavailable tone.".
- Signal_tone label "Signal tone".
- Signal_tone sameAs m.0ddh321.
- Signal_tone sameAs Q7512751.
- Signal_tone sameAs Q7512751.
- Signal_tone sameAs Signal_tone.
- Signal_tone wasDerivedFrom Signal_tone?oldid=551104930.
- Signal_tone isPrimaryTopicOf Signal_tone.