Touch-tone meaning

tuchtōn
Designating or of a type of telephone that may be used with a service (touch tone) that responds to individual fixed electronic tones activated by corresponding buttons pushed in placing a call.
adjective
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The dialing technology in an analog telephone. Each digit has a physical button that transmits a different audio tone when depressed. Known as the dual-tone multifrequency (DTMF) system, the signal is a combination of the row and column frequencies of the digit key.The first touch-tone phones were installed in two Pennsylvania towns in the early 1960s. Digital phones do not use the Touch-Tone system. Contrast with rotary dial. See analog phone and digital phone.
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Alternative form of touch-tone.
noun
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Relating to a type of telephone with buttons, each of which produces a tone which corresponds to the relevant digit.
adjective
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A telephone with buttons that produce tones, one for each digit.

A teleconference service for touch-tones only.

noun
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A tone produced by such a telephone.

Software to decode touch-tones.

noun
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Alternative form of touch-tone.
adjective
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Origin of touch-tone

  • From the trade name Touch-Tone, 1960.

    From Wiktionary