{"id":2355,"date":"2023-04-01T13:25:00","date_gmt":"2023-04-01T09:55:00","guid":{"rendered":"https:\/\/chakavak.io\/newsite\/h-323-protocol-in-ip-based-networks\/"},"modified":"2025-08-27T12:54:49","modified_gmt":"2025-08-27T09:24:49","slug":"what-is-h323-protocol","status":"publish","type":"post","link":"https:\/\/chakavak.io\/en\/what-is-h323-protocol\/","title":{"rendered":"H.323 protocol in IP based networks"},"content":{"rendered":"\n<p>Protocol H.323 introduces call signaling and control, multimedia transmission and management, and bandwidth control for point-to-point and multi-point conferences.<\/p>\n\n<p>The H.323 protocol is divided into the following three control sections:<\/p>\n\n<p>\u2022 RAS Protocol<\/p>\n\n<p>\u2022 Media Control and Transport (H.245) Signaling<\/p>\n\n<p>\u2022 Call Control\/Call Setup (H.225)<\/p>\n\n<p>\u2022 RAS Protocol<\/p>\n\n<p>The RAS protocol is part of the H.323 Recommendation and is a protocol that uses H.323 between endpoints (terminals and gateways) and gatekeepers. The RAS protocol uses port UDP-1719. <\/p>\n\n<p>The RAS channel is independent of the call and media transmission channel.<\/p>\n\n<h2 class=\"wp-block-heading\">Comparison between SIP and H.323 protocols<\/h2>\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"346\" src=\"https:\/\/chakavak.io\/\/wp-content\/uploads\/2022\/12\/H323-vs-SIP.jpg\" alt=\"Comparison between SIP and H.323 protocols\" class=\"wp-image-638\" srcset=\"https:\/\/chakavak.io\/wp-content\/uploads\/2022\/12\/H323-vs-SIP.jpg 700w, https:\/\/chakavak.io\/wp-content\/uploads\/2022\/12\/H323-vs-SIP-300x148.jpg 300w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we aim to explain the H.323 Protocol and compare it with the SIP Protocol.<\/p>\n","protected":false},"author":1,"featured_media":1433,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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 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