VoIP

DTMF

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DTMF

The following definition for DTMF comes from Wikipedia

  • "Dual-tone multi-frequency (DTMF) signaling is used for telephone signaling over the line in the voice-frequency band to the call switching center. The version of DTMF used for telephone tone dialing is known by the trademarked term Touch-Tone, and is standardised by ITU-T Recommendation Q.23. Other multi-frequency systems are used for signaling internal to the telephone network."

See Also

Created by: oej, Last modification: Fri 06 of Jan, 2012 (14:07 UTC) by ZOverLord
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