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DTMF dialing

См. также в других словарях:

  • DTMF — Dual Tone Multi Frequency. This is used in tone dialing. It is a method where 2 distinct tones are sent for each digit dialed …   Dictionary of telecommunications

  • Pulse dialing — Middle 20th century rotary dial telephone Pulse dialing, dial pulse, or loop disconnect dialing, also called rotary or decadic dialling in the United Kingdom (because up to 10 pulses are sent), is pulsing in which a direct current pulse train is… …   Wikipedia

  • consecutive dialing -- attendant —    Dial keypad of the attendant console continues to generate DTMF signals while the console is engaged in a station and trunk connection …   IT glossary of terms, acronyms and abbreviations

  • 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 (canceled March 13, 1984),… …   Wikipedia

  • Telephone exchange — A telephone operator manually connecting calls with cord pairs at a telephone switchboard. In the field of telecommunications, a telephone exchange or telephone switch is a system of electronic components that connects telephone calls. A central… …   Wikipedia

  • Goertzel algorithm — The Goertzel algorithm is a digital signal processing (DSP) technique for identifying frequency components of a signal, published by Dr. Gerald Goertzel in 1958. While the general Fast Fourier transform (FFT) algorithm computes evenly across the… …   Wikipedia

  • 9-1-1 — This article is about the emergency telephone number. For other uses, see 911 (disambiguation). See also: Emergency telephone number Emergency 911 displayed on the side of an emergency vehicle, indicating that 9 1 1 is the number to dial in the… …   Wikipedia

  • двухтональный многочастотный набор номера — Способ набора номера, при котором каждой набираемой цифре соответствует пара тональных сигналов, выбираемых из двух групп частот, каждая из которых включает четыре номинала. В первой группе используются частоты 697, 770, 852 и 941 Гц, во второй… …   Справочник технического переводчика

  • Dual-tone multi-frequency signaling — One of the few production telephone DTMF keypads with all 16 keys, from an Autovon Telephone. The column of red keys produces the A, B, C, and D DTMF events. Dual tone multi frequency signaling (DTMF) is used for telecommunication signaling over… …   Wikipedia

  • Caller ID — (caller identification, CID), also called calling line identification (CLID) or calling number identification (CNID) or Calling Line Identification Presentation (CLIP), is a telephone service, available in analog and digital phone systems and… …   Wikipedia

  • In-band signaling — In telecommunications, in band signaling is the sending of metadata and control information in the same band, on the same channel, as used for data.TelephoneFor example, when dialing a modern telephone, the telephone number is encoded and… …   Wikipedia

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