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Difference between revisions of "DTMF"

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DTMF signaling is used for voice-frequency signaling over radio channels or telephone lines. In radio signaling, this is commonly used for tone-squelch or fire tone-out type applications.  It was developed by the telephone industry and today is still its most common use, known by the trademarked term ''Touch-Tone''.
 
DTMF signaling is used for voice-frequency signaling over radio channels or telephone lines. In radio signaling, this is commonly used for tone-squelch or fire tone-out type applications.  It was developed by the telephone industry and today is still its most common use, known by the trademarked term ''Touch-Tone''.
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For history and technical details including the frequencies, see
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[[Wikipedia http://en.wikipedia.org/wiki/Dual-tone_multi-frequency]]
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[[Category:RR Glossary]]
 
[[Category:RR Glossary]]
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[[Category:Signal Analysis and Decoding Glossary]]
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[[Category:Scanners Glossary]]
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[[Category:Receivers Glossary]]

Latest revision as of 12:49, 21 January 2016

Dual-tone multi-frequency

DTMF signaling is used for voice-frequency signaling over radio channels or telephone lines. In radio signaling, this is commonly used for tone-squelch or fire tone-out type applications. It was developed by the telephone industry and today is still its most common use, known by the trademarked term Touch-Tone.

For history and technical details including the frequencies, see Wikipedia http://en.wikipedia.org/wiki/Dual-tone_multi-frequency