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- Push-button_telephone abstract "The push-button telephone is a telephone that uses buttons or keys for dialing a telephone number to place a call to another telephone subscriber.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 Pennsylvania. But the technology proved unreliable and it was not until long after the invention of the transistor when push-button technology matured. On 18 November 1963, after approximately three years of customer testing, the Bell System in the United States officially introduced dual-tone multi-frequency (DTMF) technology under its registered Touch-Tone mark. Over the next few decades touch-tone service replaced traditional pulse dialing technology and it eventually became a world-wide standard for telecommunication signaling.Although DTMF was the driving technology implemented in push-button telephones, some telephone manufacturers used push-button keypads to generate pulse dial signaling. Before the introduction of touch-tone telephone sets, the Bell System sometimes used the term push-button telephone to refer to key system telephones, which were rotary dial telephones that also had a set of push-buttons to select one of multiple telephone circuits, or to activate other features.".
- Push-button_telephone soundRecording Push-button_telephone__1.
- Push-button_telephone thumbnail Радиотелефон.jpg?width=300.
- Push-button_telephone wikiPageID "26046623".
- Push-button_telephone wikiPageLength "16672".
- Push-button_telephone wikiPageOutDegree "64".
- Push-button_telephone wikiPageRevisionID "704026907".
- Push-button_telephone wikiPageWikiLink AT&T_Corporation.
- Push-button_telephone wikiPageWikiLink Almon_Brown_Strowger.
- Push-button_telephone wikiPageWikiLink Analog_telephone_adapter.
- Push-button_telephone wikiPageWikiLink Asterisk.
- Push-button_telephone wikiPageWikiLink Bell_System.
- Push-button_telephone wikiPageWikiLink Business_telephone_system.
- Push-button_telephone wikiPageWikiLink Caller_ID.
- Push-button_telephone wikiPageWikiLink Carnegie,_Pennsylvania.
- Push-button_telephone wikiPageWikiLink Category:1963_introductions.
- Push-button_telephone wikiPageWikiLink Category:Telephony_equipment.
- Push-button_telephone wikiPageWikiLink Community_dial_office.
- Push-button_telephone wikiPageWikiLink Direct_distance_dialing.
- Push-button_telephone wikiPageWikiLink Dual-tone_multi-frequency_signaling.
- Push-button_telephone wikiPageWikiLink Electronic_switching_system.
- Push-button_telephone wikiPageWikiLink Foreign_exchange_service_(telecommunications).
- Push-button_telephone wikiPageWikiLink Greensburg,_Pennsylvania.
- Push-button_telephone wikiPageWikiLink History_of_the_telephone.
- Push-button_telephone wikiPageWikiLink In-band_signaling.
- Push-button_telephone wikiPageWikiLink Interactive_voice_response.
- Push-button_telephone wikiPageWikiLink Internet.
- Push-button_telephone wikiPageWikiLink John_Karlin.
- Push-button_telephone wikiPageWikiLink Keypad.
- Push-button_telephone wikiPageWikiLink Long_line_(telecommunications).
- Push-button_telephone wikiPageWikiLink Mobile_phone.
- Push-button_telephone wikiPageWikiLink Model_500_telephone.
- Push-button_telephone wikiPageWikiLink Multi-frequency_signaling.
- Push-button_telephone wikiPageWikiLink Number_Five_Crossbar_Switching_System.
- Push-button_telephone wikiPageWikiLink Number_One_Crossbar_Switching_System.
- Push-button_telephone wikiPageWikiLink Number_sign.
- Push-button_telephone wikiPageWikiLink Ogg.
- Push-button_telephone wikiPageWikiLink Party_line_(telephony).
- Push-button_telephone wikiPageWikiLink Pennsylvania.
- Push-button_telephone wikiPageWikiLink Personal_identification_number.
- Push-button_telephone wikiPageWikiLink Pittsburgh.
- Push-button_telephone wikiPageWikiLink Pulse_dialing.
- Push-button_telephone wikiPageWikiLink Rotary_dial.
- Push-button_telephone wikiPageWikiLink Signaling_(telecommunications).
- Push-button_telephone wikiPageWikiLink Strowger_switch.
- Push-button_telephone wikiPageWikiLink Telephone.
- Push-button_telephone wikiPageWikiLink Telephone_exchange_names.
- Push-button_telephone wikiPageWikiLink Telephone_keypad.
- Push-button_telephone wikiPageWikiLink Telephone_numbering_plan.
- Push-button_telephone wikiPageWikiLink Timeline_of_the_telephone.
- Push-button_telephone wikiPageWikiLink Vertical_service_code.
- Push-button_telephone wikiPageWikiLink Voice_over_IP.
- Push-button_telephone wikiPageWikiLink Western_Electric.
- Push-button_telephone wikiPageWikiLink File:ATTtelephone-large.jpg.
- Push-button_telephone wikiPageWikiLink File:DTMF_keypad_layout.svg.
- Push-button_telephone wikiPageWikiLink File:Mox_Fido.jpg.
- Push-button_telephone wikiPageWikiLink File:Радиотелефон.jpg.
- Push-button_telephone wikiPageWikiLinkText "10- or 12-button touch-tone telephones".
- Push-button_telephone wikiPageWikiLinkText "Push-button telephone".
- Push-button_telephone wikiPageWikiLinkText "push-button dialing".
- Push-button_telephone wikiPageWikiLinkText "push-button telephone handsets".
- Push-button_telephone wikiPageWikiLinkText "push-button telephone".
- Push-button_telephone wikiPageWikiLinkText "push-button".
- Push-button_telephone wikiPageWikiLinkText "pushbutton telephones".
- Push-button_telephone wikiPageWikiLinkText "touch tone telephone".
- Push-button_telephone wikiPageWikiLinkText "touch-tone phone".
- Push-button_telephone wikiPageWikiLinkText "touch-tone telephone".
- Push-button_telephone wikiPageWikiLinkText "touch-tone telephones".
- Push-button_telephone description "How DTMF dialing sounds.".
- Push-button_telephone filename "DTMF dialing.ogg".
- Push-button_telephone format Ogg.
- Push-button_telephone title "DTMF dialing".
- Push-button_telephone wikiPageUsesTemplate Template:Listen.
- Push-button_telephone wikiPageUsesTemplate Template:Reflist.
- Push-button_telephone wikiPageUsesTemplate Template:Telecommunications.
- Push-button_telephone wikiPageUsesTemplate Template:Unreliable_source%3F.
- Push-button_telephone subject Category:1963_introductions.
- Push-button_telephone subject Category:Telephony_equipment.
- Push-button_telephone hypernym Telephone.
- Push-button_telephone type Company.
- Push-button_telephone type Thing.
- Push-button_telephone comment "The push-button telephone is a telephone that uses buttons or keys for dialing a telephone number to place a call to another telephone subscriber.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 Pennsylvania.".
- Push-button_telephone label "Push-button telephone".
- Push-button_telephone sameAs Q7261720.
- Push-button_telephone sameAs 押しボタン式電話機.
- Push-button_telephone sameAs m.0b6k8dd.
- Push-button_telephone sameAs Q7261720.
- Push-button_telephone wasDerivedFrom Push-button_telephone?oldid=704026907.
- Push-button_telephone depiction Радиотелефон.jpg.
- Push-button_telephone isPrimaryTopicOf Push-button_telephone.