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  2. DTMF - Wikipedia

    en.wikipedia.org/wiki/DTMF

    Touch-tone dialing with a telephone keypad gradually replaced the use of rotary dials and has become the industry standard in telephony to control automated equipment and signal user intent. [3] Other multi-frequency systems are also used for signaling on trunks in the telephone network.

  3. Push-button telephone - Wikipedia

    en.wikipedia.org/wiki/Push-button_telephone

    A push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to a rotary dial used in earlier telephones.. Western Electric experimented as early as 1941 with methods of using mechanically activated reeds to produce two tones for each of the ten digits and by the late 1940s such technology was field-tested in a No. 5 Crossbar switching system in ...

  4. Touch-Tone Telephone - Wikipedia

    en.wikipedia.org/wiki/Touch-Tone_Telephone

    "Touch-Tone Telephone" is a song by Lemon Demon, a musical project created by American musician Neil Cicierega. It was released on February 29, 2016, as the second track of Lemon Demon's seventh studio album, Spirit Phone , and as a wax cylinder single on May 23, 2023.

  5. Telephone keypad - Wikipedia

    en.wikipedia.org/wiki/Telephone_keypad

    A telephone keypad is a keypad installed on a push-button telephone or similar telecommunication device for dialing a telephone number. It was standardized when the dual-tone multi-frequency signaling (DTMF) system was developed in the Bell System in the United States in the 1960s – this replaced rotary dialing , that had been developed for ...

  6. Vertical service code - Wikipedia

    en.wikipedia.org/wiki/Vertical_service_code

    On a touch tone telephone, the codes are usually initiated with the star key, resulting in the commonly used name star codes. On rotary dial telephones, the star is replaced by dialing 11 . In North American telephony , VSCs were developed by the American Telephone and Telegraph Company (AT&T) as Custom Local Area Signaling Services ( CLASS or ...

  7. Spirit Phone - Wikipedia

    en.wikipedia.org/wiki/Spirit_Phone

    Mashable included "Touch-Tone Telephone" and "Eighth Wonder" on their official 2019 Halloween playlist, calling "Touch-Tone Telephone" one of many "real gems". [10] Cultured Vultures called the horror-themed Spirit Phone "one of the wildest pop albums of the year". [1] The album was the best-selling album on Bandcamp for the first week of its ...

  8. Multi-frequency signaling - Wikipedia

    en.wikipedia.org/wiki/Multi-frequency_signaling

    Multifrequency signaling is a technological precursor of dual-tone multi-frequency signaling (DTMF, Touch-Tone), which uses the same fundamental principle, but was used primarily for signaling address information and control signals from a user's telephone to the wire-center's Class-5 switch. DTMF uses a total of eight frequencies.

  9. Design Line telephone - Wikipedia

    en.wikipedia.org/wiki/Design_Line_telephone

    Big Button (desk or wall phone with large touch-tone keys) (touch-tone only) Country Squire (wood desk set with French style handset) (rotary and touch-tone) Elite (flat desk telephone available in green leather with gold trim and a green handset or brown leather with silver trim with a white handset.