Push-button telephone
The push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to having a rotary dial as in earlier telephone instruments. 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 trademark Touch-Tone. Over the next fe
Wikipage redirect
1963Alphonse ChapanisApril 1963Bidzina IvanishviliCustomer serviceDOT pictogramsDual-tone multi-frequency signalingDuodecimalFebruary 1961For Your Files OnlyHistory of mobile phonesHistory of telecommunicationHistory of the telephoneKeypadLeon DavidsonList of alumni of the University of Cape TownList of gairaigo and wasei-eigo termsMOSFET applicationsMTS system architectureMobile phoneModel 500 telephoneNovember 18Number signObihai TechnologyOsWALDPanel call indicatorPulse dialingPush-buttonPush-button phoneRotary dialSpeed dialTD AmeritradeTelephoneTeletextTimeline of the telephoneVoicemail
Link from a Wikipage to another Wikipage
primaryTopic
Push-button telephone
The push-button telephone is a telephone that has buttons or keys for dialing a telephone number, in contrast to having a rotary dial as in earlier telephone instruments. 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 trademark Touch-Tone. Over the next fe
has abstract
The push-button telephone is a ...... emory chips for speed dialing.
@en
押しボタン式電話機(おしボタンしきでんわき)は、電話番号送出 ...... 、アナログ固定電話回線に直接接続される標準電話機を記載する。
@ja
sound recording
Wikipage page ID
26,046,623
page length (characters) of wiki page
Wikipage revision ID
1,024,453,174
Link from a Wikipage to another Wikipage
Description
How DTMF dialing sounds
@en
filename
DTMF dialing.ogg
@en
format
title
DTMF dialing
@en
wikiPageUsesTemplate
hypernym
comment
The push-button telephone is a ...... k Touch-Tone. Over the next fe
@en
押しボタン式電話機(おしボタンしきでんわき)は、電話番号送出 ...... 、アナログ固定電話回線に直接接続される標準電話機を記載する。
@ja
label
Push-button telephone
@en
押しボタン式電話機
@ja