multifrequency signaling

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• 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

• dual-tone multifrequency (DTMF) signaling —    Sometimes called touch tone, a signaling method that uses specific pairs of frequencies within the voiceband for signals. One tone in each pair is chosen from a group of four low frequencies, and the other tone is selected from a group of four …   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

• DTMF —    See dial, dual tone multifrequency, dual tone multifrequency signaling …   IT glossary of terms, acronyms and abbreviations

• MF —    See medium frequency, multifrequency. See also dual tone multifrequency signaling (DTMF) …   IT glossary of terms, acronyms and abbreviations

• Связь:Сокращения —   Это служебный список статей, созданный для координации работ по развитию темы.   Данное предупреждение не ус …   Википедия

• Аббревиатуры телефонии — Эта страница глоссарий. Аббревиатуры, используемые в телефонии и связи …   Википедия

• Answer supervision — is a term in telephony, describing a situation whereby the called party indicates to the central office that the call is being answered by the called party. by allowing loop current to flow in the line.OverviewCAS E M Signaling BasicsFor digital… …   Wikipedia

• Disconnect supervision — is a term in telephony describing signaling between the telephone exchange and a connected party used to indicate that the connected call is being disconnected. For example the called party may indicate to the telephone exchange that the call is… …   Wikipedia

• telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …   Universalium

• Tesla coil — at Questacon the National Science and Technology center in Canberra, Australia Uses Application in educational demonstrations, novelty lighting, as well as music Inventor …   Wikipedia