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 | ||
| + | [[Wikipedia http://en.wikipedia.org/wiki/Dual-tone_multi-frequency]] | ||
[[Category:RR Glossary]] | [[Category:RR Glossary]] | ||
Revision as of 23:24, 28 January 2008
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