G\u00e8re toutes les autres fonctionnalit\u00e9s ou options<\/li>\n<\/ul>\n Un autocommutateur priv\u00e9 poss\u00e8de sa propre intelligence pour faciliter la commutation des appels voix.<\/p>\n
Cet intelligence est g\u00e9r\u00e9 par au moins une unit\u00e9 centrale (CPU), avec des processeurs d’entr\u00e9es\/sorties qui g\u00e8rent les interfaces de lignes et d’\u00e9quipements de postes, avec \u00e9galement une m\u00e9moire vive (sauvegard\u00e9e en g\u00e9n\u00e9ral par une pile pendant \u00e0 peu pr\u00e8s cinq ann\u00e9es).<\/p>\n
L’alimentation \u00e9lectrique est indispensable pour faire fonctionner l’ensemble, et une ou plusieurs batteries permettent une certaine autonomie en cas de coupure de courant.<\/p>\n
L’alimentation r\u00e9gul\u00e9e peut-\u00eatre int\u00e9gr\u00e9e au bo\u00eetier ou externe<\/p>\n
Elle permet aussi de g\u00e9n\u00e9rer le courant d’appel pour les postes analogiques, et g\u00e9n\u00e8re aussi diff\u00e9rents potentiels continus indispensables pour tous les \u00e9l\u00e9ments.<\/p>\n
Un PABX sur lequel on rajoute une passerelle pour l\u2019acc\u00e8s aux r\u00e9seaux devient un PABX-IP, et permet la voix sur IP (le «trunking» entre noeuds t\u00e9l\u00e9phoniques traditionnels).<\/p>\n","protected":false},"excerpt":{"rendered":"
Notions sur la T\u00e9l\u00e9phonie et sur les PABX classiques IV. Notions sur la t\u00e9l\u00e9phonie et sur les PABX classiques IV.1 Historique de la t\u00e9l\u00e9phonie La t\u00e9l\u00e9phonie fait depuis longtemps partie de l\u2019histoire. Du premier \u201ct\u00e9l\u00e9phone \u00e0 ficelle\u201d \u00e0 l\u2019ouverture de la \u201cboucle locale\u201d, retour rapide sur l\u2019histoire de la t\u00e9l\u00e9phonie […]<\/p>\n","protected":false},"author":1,"featured_media":72885,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[16],"tags":[179],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques.jpg",900,800,false],"thumbnail":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques-150x150.jpg",150,150,true],"medium":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques-300x267.jpg",300,267,true],"medium_large":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques-768x683.jpg",768,683,true],"large":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques.jpg",900,800,false],"1536x1536":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques.jpg",900,800,false],"2048x2048":["https:\/\/wikimemoires.net\/wp-content\/uploads\/2011\/03\/notions-sur-telephonie-sur-pabx-classiques.jpg",900,800,false]},"uagb_author_info":{"display_name":"WikiMemoires","author_link":"https:\/\/wikimemoires.net\/author\/wikieradmin\/"},"uagb_comment_info":0,"uagb_excerpt":"Notions sur la T\u00e9l\u00e9phonie et sur les PABX classiques IV. Notions sur la t\u00e9l\u00e9phonie et sur les PABX classiques IV.1 Historique de la t\u00e9l\u00e9phonie La t\u00e9l\u00e9phonie fait depuis longtemps partie de l\u2019histoire. Du premier \u201ct\u00e9l\u00e9phone \u00e0 ficelle\u201d \u00e0 l\u2019ouverture de la \u201cboucle locale\u201d, retour rapide sur l\u2019histoire de la t\u00e9l\u00e9phonie […]","_links":{"self":[{"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/posts\/10399"}],"collection":[{"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/comments?post=10399"}],"version-history":[{"count":0,"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/posts\/10399\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/media\/72885"}],"wp:attachment":[{"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/media?parent=10399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/categories?post=10399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wikimemoires.net\/wp-json\/wp\/v2\/tags?post=10399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}