{"id":3642,"date":"2019-02-08T11:03:50","date_gmt":"2019-02-08T10:03:50","guid":{"rendered":"https:\/\/legos.paris\/?p=3642"},"modified":"2020-09-02T15:58:48","modified_gmt":"2020-09-02T13:58:48","slug":"definition-trunk-sip","status":"publish","type":"post","link":"https:\/\/legos.paris\/fr\/definition-trunk-sip\/","title":{"rendered":"Qu&rsquo;est-ce qu&rsquo;un Trunk SIP?"},"content":{"rendered":"<div id=\"pl-3642\"  class=\"panel-layout\" ><div id=\"pg-3642-0\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-3642-0-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-0-0-0\" class=\"so-panel widget widget_text-widget panel-first-child panel-last-child\" data-index=\"0\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-text-widget so-widget-text-widget-text-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"landing-text\">\n<p><strong>Le SIP trunking est le vecteur principal de la t\u00e9l\u00e9phonie fixe d'aujourd'hui. Dans le monde de la t\u00e9l\u00e9phonie internet, c'est le lien invisible entre vous et votre correspondant.<\/strong><\/p>\n<p><strong>Mais comment cela fonctionne-t-il ? Qu'est-ce que la t\u00e9l\u00e9phonie sur internet et, surtout, qu'est-ce que le SIP ?<\/strong><\/p>\n<\/div><\/div><\/div><\/div><\/div><div id=\"pg-3642-1\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-3642-1\" ><div id=\"pgc-3642-1-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-1-0-0\" class=\"so-panel widget widget_text-widget panel-first-child panel-last-child\" data-index=\"1\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-text-widget so-widget-text-widget-text-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"landing-text\">\n<h2>Qu\u2019est-ce qu\u2019un Trunk SIP ?<\/h2>\n<p>Pour expliquer ce qu\u2019est un SIP Trunk, il faut commencer par introduire le protocole SIP et, de mani\u00e8re plus g\u00e9n\u00e9rale, la VoIP.<\/p>\n<p><em>VoIP\u00a0:<\/em> La Voix sur IP (Voice over Internet Protocol) d\u00e9signe les communications t\u00e9l\u00e9phoniques r\u00e9alis\u00e9es sur internet, par opposition aux communications \u00e9tablies sur des lignes t\u00e9l\u00e9phoniques traditionnelles (d\u00eetes analogiques).<\/p>\n<p><em>SIP\u00a0:<\/em> Le SIP (Session Initiation Protocol) quant \u00e0 lui, est un protocole utilis\u00e9 pour initier, maintenir et terminer des appels t\u00e9l\u00e9phoniques sur VoIP. En quelques sortes, le SIP permet la communication sur VOIP car il \u00e9tablit un appel entre un t\u00e9l\u00e9phone \u00e9metteur et un r\u00e9cepteur.<\/p>\n<p><em>SIP Trunk\u00a0:<\/em> Chaque terminal SIP (un t\u00e9l\u00e9phone fixe ou m\u00eame un \u00ab\u00a0softphone\u00a0\u00bb sur votre ordinateur) est reli\u00e9 \u00e0 internet. Le service acheminant les appels de tous ces terminaux vers leurs correspondants est appel\u00e9 Trunk SIP ou SIP Trunk. Le terme \"trunking\" vient de l'anglais \"tronc\", il est une m\u00e9taphore illustrant le fait que toutes les lignes se rejoignent en un point et continuent le long d'un grand canal : l'infrastructure de votre fournisseur de SIP Trunk.<\/p>\n<p><em>IPBX\u00a0:<\/em> dans la plupart des entreprises, les t\u00e9l\u00e9phones sont reli\u00e9s entre eux par ce que l\u2019on appelle un IPBX (Internet Private Branch Exchange). Vous le connaissez sous le nom de \u00ab\u00a0standard t\u00e9l\u00e9phonique\u00a0\u00bb, m\u00eame si cette description est tr\u00e8s r\u00e9ductrice. L\u2019IPBX d\u2019une entreprise permet de g\u00e9rer les terminaux, les utilisateurs et leurs appels. Vous y configurerez par exemple un message d\u2019accueil, des files d\u2019attente, des raccourcis, etc. La plupart du temps, un fournisseur de SIP Trunk se connectera \u00e0 l\u2019IPBX de l\u2019entreprise pour faire transiter les appels de tous ses employ\u00e9s. <em>C\u2019est donc ici que commence le fameux \u00ab\u00a0tronc\u00a0\u00bb \/ \u00ab\u00a0Trunk\u00a0\u00bb.<\/em><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><div id=\"pg-3642-2\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-3642-2-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-2-0-0\" class=\"so-panel widget widget_parallax-widget panel-first-child panel-last-child\" data-index=\"2\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-parallax-widget so-widget-parallax-widget-parallax-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"parallax\"><img decoding=\"async\" width=\"1800\" height=\"341\" data-src=\"https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-1.jpg\" class=\"attachment-full size-full lazyload\" alt=\"Sch\u00e9ma SIP\" data-srcset=\"https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-1.jpg 1800w, https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-1-300x57.jpg 300w, https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-1-768x145.jpg 768w, https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-1-1024x194.jpg 1024w\" data-sizes=\"(max-width: 1800px) 100vw, 1800px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1800px; --smush-placeholder-aspect-ratio: 1800\/341;\" \/><\/div><\/div><\/div><\/div><\/div><div id=\"pg-3642-3\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-3642-3\" ><div id=\"pgc-3642-3-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-3-0-0\" class=\"so-panel widget widget_text-widget panel-first-child panel-last-child\" data-index=\"3\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-text-widget so-widget-text-widget-text-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"landing-text\">\n<p><strong>Les autres types de t\u00e9l\u00e9phonie.<\/strong><\/p>\n<p>Il s\u2019agirait d\u2019ajouter qu\u2019il existe d\u2019autres formats de t\u00e9l\u00e9phonie fixe. Le RTC par exemple est le nom donn\u00e9 \u00e0 la t\u00e9l\u00e9phonie analogique sur cuivre (pour R\u00e9seau T\u00e9l\u00e9phonique Commut\u00e9). Ce fut pendant longtemps le r\u00e9seau t\u00e9l\u00e9phonique dominant. Toutefois, partout dans le monde, sa disparition s\u2019amorce. En France, Orange a\u00a0d\u00e9cid\u00e9 d\u2019y mettre fin \u00e0 horizon 2025, privil\u00e9giant la VoIP, plus adapt\u00e9e aux usages modernes. Nous vous en disons plus dans le livre blanc \"<a href=\"https:\/\/legos.fr\/ressources\/the-end-of-pstn-in-the-uk\/\">La fin du RTC<\/a>\".<\/p>\n<p>Le web RTC, quant \u00e0 lui, fournit une t\u00e9l\u00e9phonie via votre navigateur web. Attention au pi\u00e8ge, RTC signifie cette fois \"Real-Time Communication\". L\u2019avantage principal du WebRTC est qu\u2019il est capable de transporter de la vid\u00e9o. Il a donc permis la r\u00e9volution des visio-conf\u00e9rences. C'est gr\u00e2ce \u00e0 ce protocole que se sont r\u00e9v\u00e9l\u00e9es des solutions comme Skype ou Zoom. Toutefois, le transport de la voix sur WebRTC reste moins qualitatif qu\u2019en SIP. C'est pourquoi, parmi toutes ces options, le SIP Trunking reste aujourd\u2019hui le service dominant de la t\u00e9l\u00e9phonie fixe.<\/p>\n<h2>Comment fonctionne un Trunk SIP?<\/h2>\n<p>Plus concr\u00e8tement, comment se d\u00e9compose un service Trunk?<\/p>\n<p>Si vous passez par un fournisseur (un op\u00e9rateur ou un int\u00e9grateur), celui-ci connectera votre IPBX\u00a0 ou votre \"voice gateway\" (c.a.d. un routeur) \u00e0 son infrastructure. Vous pourrez ainsi joindre vos correspondants en profitant de ses tarifs d\u2019appels en France et \u00e0 l\u2019international. C'est en cela que consiste le SIP Trunking: une porte sur le r\u00e9seau t\u00e9l\u00e9phonique. La qualit\u00e9 et le prix des appels varieront ensuite selon votre fournisseur de Trunk.<\/p>\n<p>En d\u00e9tail: si un de vos utilisateurs passe un appel, la session SIP (session initiation) passera par votre IPBX ou votre gateway puis sera transmise au SBC du fournisseur. Le \"Session Border Controler\" servira de filtre, pour des raisons de s\u00e9curit\u00e9. Le signal arrivera ensuite au Proxy, qui compare toutes les routes possibles et choisi la plus avantageuse. Il le redirigera vers un second SBC, d\u00e9di\u00e9 \u00e0 l\u2019op\u00e9rateur qui d\u00e9tient la route choisie. Cet op\u00e9rateur terminera ensuite l\u2019appel jusqu'au correspondant. Si ce correspondant est disponible, il renverra une acceptation dans le sens inverse jusqu'au t\u00e9l\u00e9phone de votre utilisateur. L'appel peut alors commencer !<\/p>\n<p>On pourrait ramener le fonctionnement d'un appel t\u00e9l\u00e9phonique au syst\u00e8me de la poste! Le SIP serait une lettre envoy\u00e9e par un exp\u00e9diteur depuis une bo\u00eete au lettre, votre gateway\/IPBX. Elle arrive \u00e0 un bureau de poste, le SBC, qui filtre les colis d\u00e9fectueux. La lettre est ensuite dirig\u00e9e vers le centre de tri, le Proxy, qui choisi son bureau de poste de destination (le second SBC). Un facteur (l'op\u00e9rateur tiers) livre la lettre au destinataire.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><div id=\"pg-3642-4\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-3642-4-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-4-0-0\" class=\"so-panel widget widget_parallax-widget panel-first-child panel-last-child\" data-index=\"4\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-parallax-widget so-widget-parallax-widget-parallax-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"parallax\"><img decoding=\"async\" width=\"1800\" height=\"341\" data-src=\"https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-2.jpg\" class=\"attachment-full size-full lazyload\" alt=\"C\u0153ur de r\u00e9seau et sip trunk\" data-srcset=\"https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-2.jpg 1800w, https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-2-300x57.jpg 300w, https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-2-768x145.jpg 768w, https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/SIP-sch\u00e9ma-2-1024x194.jpg 1024w\" data-sizes=\"(max-width: 1800px) 100vw, 1800px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1800px; --smush-placeholder-aspect-ratio: 1800\/341;\" \/><\/div><\/div><\/div><\/div><\/div><div id=\"pg-3642-5\"  class=\"panel-grid panel-has-style\" ><div class=\"panel-row-style panel-row-style-for-3642-5\" ><div id=\"pgc-3642-5-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-5-0-0\" class=\"so-panel widget widget_text-widget panel-first-child panel-last-child\" data-index=\"5\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-text-widget so-widget-text-widget-text-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"landing-text\">\n<p>Voici quelques cl\u00e9s pour <a href=\"https:\/\/legos.fr\/comment-bien-choisir-son-offre-trunk-sip\/\">bien choisir son offre de SIP Trunking<\/a>.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><div id=\"pg-3642-6\"  class=\"panel-grid panel-no-style\" ><div id=\"pgc-3642-6-0\"  class=\"panel-grid-cell\" ><div id=\"panel-3642-6-0-0\" class=\"so-panel widget widget_footer-widget panel-first-child\" data-index=\"6\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-footer-widget so-widget-footer-widget-footer-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t><div class=\"bottom container\">\n\t<div class=\"row no-gutters\">\n\t\t<div class=\"col\">08-02-2019<\/div>\n\t<\/div>\n<\/div>\n\n<div class=\"bottom-tools container\">\n\t<div class=\"row no-gutters\">\n\t\t<div class=\"col\"><a href=\"https:\/\/legos.paris\/fr\/blog\/\" class=\"back\">Retour \u00e0 la liste des actualit\u00e9s<\/a><\/div>\n\t\t<div class=\"col\">\n\t\t\t<ul class=\"social-list\">\n\t\t\t\t<li>\n\t\t\t\t\t<a href=\"\" class=\"bt-linkedin\"><\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li>\n\t\t\t\t\t<a href=\"\" class=\"bt-twitter\"><\/a>\n\t\t\t\t<\/li>\n\n\t\t\t\t<li>\n\t\t\t\t\t<a href=\"\" class=\"bt-facebook\"><\/a>\n\t\t\t\t<\/li>\n\n\t\t\t\t<li>\n\t\t\t\t\t<a href=\"\" class=\"bt-mail\"><\/a>\n\t\t\t\t<\/li>\n\t\t\t<\/ul>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div id=\"panel-3642-6-0-1\" class=\"so-panel widget widget_more-blog-widget panel-last-child\" data-index=\"7\" ><div\n\t\t\t\n\t\t\tclass=\"so-widget-more-blog-widget so-widget-more-blog-widget-more-blog-widget-style-d75171398898-3642\"\n\t\t\t\n\t\t>\n\n\n<div class=\"more_blog\">\t\n\t\t<h3>Unlock the power of telecoms :<\/h3>\n\t\t<h4 class=\"gradient-txt\">Notre blog<\/h4>\n\t<div class=\"row no-gutters\" style=\"height: 100%;\">\n\t\t\t\t\t  \t\t\t\t\t\t\t<div class=\"blog-elm col-sm-6 lazyload\" style=\"background-image:inherit\" data-bg-image=\"url(https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/Choisir-son-SIP-trunk.jpg)\">\n\t\t\t<div>\n\t\t\t\t<a href=\"https:\/\/legos.paris\/fr\/comment-bien-choisir-son-offre-trunk-sip\/\" class=\"blog-link\"><\/a>\n\t\t\t\t<h5><a href=\"https:\/\/legos.paris\/fr\/comment-bien-choisir-son-offre-trunk-sip\/\">Comment bien choisir son offre Trunk SIP ?<\/a><\/h5>\n\t\t\t\t<div class=\"w-100\"><\/div>\n\t\t\t\t<time class=\"datetime\" datetime=\"2019-02-08 11:05\">8 f\u00e9vrier 2019<\/time>\n\t\t\t\t<div class=\"w-100\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t\t<li><a href=\"\">#telecom<\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t<li><a href=\"\">#voix<\/a><\/li>\n\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t  \t\t\t\t\t\t\t<div class=\"blog-elm col-sm-6 lazyload\" style=\"background-image:inherit\" data-bg-image=\"url(https:\/\/legos.paris\/wp-content\/uploads\/2019\/02\/Header-size-\u00e9tapes.jpg)\">\n\t\t\t<div>\n\t\t\t\t<a href=\"https:\/\/legos.paris\/fr\/3-etapes-pour-creer-son-trunk-sip\/\" class=\"blog-link\"><\/a>\n\t\t\t\t<h5><a href=\"https:\/\/legos.paris\/fr\/3-etapes-pour-creer-son-trunk-sip\/\">3 \u00e9tapes pour cr\u00e9er son Trunk SIP<\/a><\/h5>\n\t\t\t\t<div class=\"w-100\"><\/div>\n\t\t\t\t<time class=\"datetime\" datetime=\"2019-02-08 11:03\">8 f\u00e9vrier 2019<\/time>\n\t\t\t\t<div class=\"w-100\"><\/div>\n\t\t\t\t\t\t\t\t\t\t<ul>\n\t\t\t\t\t\t\t\t\t\t<li><a href=\"\">#telecom<\/a><\/li>\n\t\t\t\t\t\t\t\t\t\t<li><a href=\"\">#voice<\/a><\/li>\n\t\t\t\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Le SIP trunking est le vecteur principal de la t\u00e9l\u00e9phonie fixe d&rsquo;aujourd&rsquo;hui. Dans le monde de la t\u00e9l\u00e9phonie internet, c&rsquo;est le lien invisible entre vous et votre correspondant. Mais comment cela fonctionne-t-il ? Qu&rsquo;est-ce que la t\u00e9l\u00e9phonie sur internet et, surtout, qu&rsquo;est-ce que le SIP ? Qu\u2019est-ce qu\u2019un Trunk SIP ? Pour expliquer ce qu\u2019est [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":3689,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[233,243],"tags":[196,241,272,256],"class_list":["post-3642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-telecom-fr","category-voice-fr","tag-telecom","tag-telecom-fr","tag-voice-2","tag-voix"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v18.7 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Qu&#039;est-ce qu&#039;un Trunk SIP? 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