{"id":15554,"date":"2026-07-20T12:13:52","date_gmt":"2026-07-20T11:13:52","guid":{"rendered":"https:\/\/www.gsma.com\/get-involved\/working-groups\/?post_type=gsma_theme_resources&#038;p=15554"},"modified":"2026-07-20T12:17:14","modified_gmt":"2026-07-20T11:17:14","slug":"ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services","status":"publish","type":"gsma_theme_resources","link":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/","title":{"rendered":"TS.76 1.0 Terminal Requirements Supporting Video Customized Alerting Tones (vCAT) Services"},"content":{"rendered":"\n<p>With the rapid development of communication technologies, especially the widespread application of VoIMS (Voice over IP Multimedia Subsystem) technologies, traditional audio in Customized Alerting Tone (CAT) no longer meets the growing demand for multimedia experiences. Video Customized Alerting Tone (vCAT), as an upgrade of CAT to video format, has emerged and quickly gained momentum in some countries. It is a derivative application based on VoIMS communication technologies, which transformed the ordinary network CAT during the alerting phase into video media playback, significantly enriching the user experience during the waiting period before a call is connected.<\/p>\n\n\n\n<p>This document specifies a unified set of terminal requirements for vCAT service, aiming to enhance consistency, interoperability, and user experience of vCAT&nbsp;service, which should help global adoption of vCAT.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the rapid development of communication technologies, especially the widespread application of VoIMS (Voice over IP Multimedia Subsystem) technologies, traditional audio in Customized Alerting Tone (CAT) no longer meets the growing demand for multimedia experiences. Video Customized Alerting Tone (vCAT), as an upgrade of CAT to video format, has emerged and quickly gained momentum in [&hellip;]<\/p>\n","protected":false},"author":70,"featured_media":0,"template":"","meta":{"image":null,"json":{"gsma_resources_type":"Document","gsma_resources_thumb":"null","gsma_resources_file":"[15555]","gsma_resources_multi":null,"gsma_resources_wgr":null,"gsma_resources_video":"","gsma_resources_image":"null","gsma_resources_url":"","gsma_resources_date":"","gsma_resources_button":""}},"tags":[],"resource_categories":[2868,2937,2114,2110],"algolia_discover_type":[],"class_list":["post-15554","gsma_theme_resources","type-gsma_theme_resources","status-publish","hentry","resource_categories-prd","resource_categories-resources-and-documentation","resource_categories-terminal-steering-group","resource_categories-working-groups"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.3 (Yoast SEO v24.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>TS.76 1.0 Terminal Requirements Supporting Video Customized Alerting Tones (vCAT) Services - Working Groups<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TS.76 1.0 Terminal Requirements Supporting Video Customized Alerting Tones (vCAT) Services - Working Groups\" \/>\n<meta property=\"og:description\" content=\"With the rapid development of communication technologies, especially the widespread application of VoIMS (Voice over IP Multimedia Subsystem) technologies, traditional audio in Customized Alerting Tone (CAT) no longer meets the growing demand for multimedia experiences. Video Customized Alerting Tone (vCAT), as an upgrade of CAT to video format, has emerged and quickly gained momentum in [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/\" \/>\n<meta property=\"og:site_name\" content=\"Working Groups\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/gsma\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-20T11:17:14+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@GSMA\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"TS.76 1.0 Terminal Requirements Supporting Video Customized Alerting Tones (vCAT) Services - Working Groups","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/","og_locale":"en_US","og_type":"article","og_title":"TS.76 1.0 Terminal Requirements Supporting Video Customized Alerting Tones (vCAT) Services - Working Groups","og_description":"With the rapid development of communication technologies, especially the widespread application of VoIMS (Voice over IP Multimedia Subsystem) technologies, traditional audio in Customized Alerting Tone (CAT) no longer meets the growing demand for multimedia experiences. Video Customized Alerting Tone (vCAT), as an upgrade of CAT to video format, has emerged and quickly gained momentum in [&hellip;]","og_url":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/","og_site_name":"Working Groups","article_publisher":"https:\/\/www.facebook.com\/gsma\/","article_modified_time":"2026-07-20T11:17:14+00:00","twitter_card":"summary_large_image","twitter_site":"@GSMA","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/","url":"https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/","name":"TS.76 1.0 Terminal Requirements Supporting Video Customized Alerting Tones (vCAT) Services - Working Groups","isPartOf":{"@id":"https:\/\/www.gsma.com\/get-involved\/working-groups\/#website"},"datePublished":"2026-07-20T11:13:52+00:00","dateModified":"2026-07-20T11:17:14+00:00","inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.gsma.com\/get-involved\/working-groups\/gsma_resources\/ts-76-terminal-requirements-supporting-video-customized-alerting-tones-vcat-services\/"]}]},{"@type":"WebSite","@id":"https:\/\/www.gsma.com\/get-involved\/working-groups\/#website","url":"https:\/\/www.gsma.com\/get-involved\/working-groups\/","name":"Working Groups","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.gsma.com\/get-involved\/working-groups\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"cats":[{"term_id":2936,"name":"Article","slug":"article","term_group":0,"term_taxonomy_id":2936,"taxonomy":"resource_categories","description":"","parent":2933,"count":0,"filter":"raw"},{"term_id":2933,"name":"Content Type","slug":"content-type","term_group":0,"term_taxonomy_id":2933,"taxonomy":"resource_categories","description":"","parent":0,"count":0,"filter":"raw"},{"term_id":2861,"name":"Distributed Ledger Technology","slug":"distributed-ledger-technology","term_group":0,"term_taxonomy_id":2861,"taxonomy":"resource_categories","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2932,"name":"eSIM Group","slug":"esim-group","term_group":0,"term_taxonomy_id":2932,"taxonomy":"resource_categories","description":"","parent":2110,"count":0,"filter":"raw"},{"term_id":2111,"name":"Fraud and Security Group","slug":"fraud-and-security-group","term_group":0,"term_taxonomy_id":2111,"taxonomy":"resource_categories","description":"","parent":2110,"count":0,"filter":"raw"},{"term_id":2120,"name":"Future Networks","slug":"future-networks","term_group":0,"term_taxonomy_id":2120,"taxonomy":"resource_categories","description":"","parent":2117,"count":202,"filter":"raw"},{"term_id":2118,"name":"Identity","slug":"identity","term_group":0,"term_taxonomy_id":2118,"taxonomy":"resource_categories","description":"","parent":2117,"count":0,"filter":"raw"},{"term_id":2115,"name":"Internet Group","slug":"internet-group","term_group":0,"term_taxonomy_id":2115,"taxonomy":"resource_categories","description":"","parent":2110,"count":1,"filter":"raw"},{"term_id":2112,"name":"Interoperability Data Specifications and Settlement Group","slug":"interoperability-data-specifications-and-settlement-group","term_group":0,"term_taxonomy_id":2112,"taxonomy":"resource_categories","description":"","parent":2110,"count":0,"filter":"raw"},{"term_id":2119,"name":"IoT","slug":"iot","term_group":0,"term_taxonomy_id":2119,"taxonomy":"resource_categories","description":"","parent":2117,"count":4,"filter":"raw"},{"term_id":2113,"name":"Networks Group","slug":"networks-group","term_group":0,"term_taxonomy_id":2113,"taxonomy":"resource_categories","description":"","parent":2110,"count":14,"filter":"raw"},{"term_id":2868,"name":"PRD","slug":"prd","term_group":0,"term_taxonomy_id":2868,"taxonomy":"resource_categories","description":"","parent":0,"count":39,"filter":"raw"},{"term_id":2117,"name":"Programmes","slug":"programmes","term_group":0,"term_taxonomy_id":2117,"taxonomy":"resource_categories","description":"","parent":0,"count":200,"filter":"raw"},{"term_id":2937,"name":"Resources and Documentation","slug":"resources-and-documentation","term_group":0,"term_taxonomy_id":2937,"taxonomy":"resource_categories","description":"","parent":2933,"count":21,"filter":"raw"},{"term_id":1493,"name":"Security","slug":"security","term_group":0,"term_taxonomy_id":1493,"taxonomy":"resource_categories","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2935,"name":"Technical Blog","slug":"technical-blog","term_group":0,"term_taxonomy_id":2935,"taxonomy":"resource_categories","description":"","parent":2933,"count":0,"filter":"raw"},{"term_id":2114,"name":"Terminal Steering Group","slug":"terminal-steering-group","term_group":0,"term_taxonomy_id":2114,"taxonomy":"resource_categories","description":"","parent":2110,"count":185,"filter":"raw"},{"term_id":2934,"name":"Webinar","slug":"webinar","term_group":0,"term_taxonomy_id":2934,"taxonomy":"resource_categories","description":"","parent":2933,"count":0,"filter":"raw"},{"term_id":2116,"name":"Wholesale Agreements and Solutions Group","slug":"wholesale-agreements-and-solutions-group","term_group":0,"term_taxonomy_id":2116,"taxonomy":"resource_categories","description":"","parent":2110,"count":0,"filter":"raw"},{"term_id":2110,"name":"Working Groups","slug":"working-groups","term_group":0,"term_taxonomy_id":2110,"taxonomy":"resource_categories","description":"","parent":0,"count":210,"filter":"raw"}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/gsma_theme_resources\/15554"}],"collection":[{"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/gsma_theme_resources"}],"about":[{"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/types\/gsma_theme_resources"}],"author":[{"embeddable":true,"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/users\/70"}],"version-history":[{"count":2,"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/gsma_theme_resources\/15554\/revisions"}],"predecessor-version":[{"id":15557,"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/gsma_theme_resources\/15554\/revisions\/15557"}],"wp:attachment":[{"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/media?parent=15554"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/tags?post=15554"},{"taxonomy":"resource_categories","embeddable":true,"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/resource_categories?post=15554"},{"taxonomy":"algolia_discover_type","embeddable":true,"href":"https:\/\/www.gsma.com\/get-involved\/working-groups\/wp-json\/wp\/v2\/algolia_discover_type?post=15554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}