Download<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"This document aims to provide a standardized view on how Long Term Evolution (LTE) and Evolved Packet Core (EPC) networks can interwork in order to provide “Next Generation Mobile Network” capabilities when users roam onto a network different from their HPMN. Download<\/p>\n","protected":false},"author":11,"featured_media":0,"template":"","meta":{"image":null,"json":{"gsma_resources_type":"Document","gsma_resources_thumb":"[24007]","gsma_resources_file":"[24008]","gsma_resources_multi":null,"gsma_resources_wgr":null,"gsma_resources_video":"","gsma_resources_image":"[]","gsma_resources_url":"https:\/\/www.gsma.com\/newsroom\/wp-content\/uploads\/\/IR.88-v29.0-1.pdf","gsma_resources_date":"","gsma_resources_button":"Download"}},"tags":[],"resource_categories":[],"algolia_discover_state":[6602],"algolia_discover_topic":[],"algolia_discover_region":[],"algolia_discover_type":[6631],"algolia_discover_series":[],"yoast_head":"\n
IR.88 EPS Roaming Guidelines Version 29.0 - Newsroom<\/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\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"IR.88 EPS Roaming Guidelines Version 29.0\" \/>\n<meta property=\"og:description\" content=\"This document aims to provide a standardized view on how Long Term Evolution (LTE) and Evolved Packet Core (EPC) networks can interwork in order to provide “Next Generation Mobile Network” capabilities when users roam onto a network different from their HPMN. Download\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/\" \/>\n<meta property=\"og:site_name\" content=\"Newsroom\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/gsma\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-22T09:31:20+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@GSMA\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"IR.88 EPS Roaming Guidelines Version 29.0 - Newsroom","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\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/","og_locale":"en_GB","og_type":"article","og_title":"IR.88 EPS Roaming Guidelines Version 29.0","og_description":"This document aims to provide a standardized view on how Long Term Evolution (LTE) and Evolved Packet Core (EPC) networks can interwork in order to provide “Next Generation Mobile Network” capabilities when users roam onto a network different from their HPMN. Download","og_url":"https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/","og_site_name":"Newsroom","article_publisher":"https:\/\/www.facebook.com\/gsma\/","article_modified_time":"2025-09-22T09:31:20+00:00","twitter_card":"summary_large_image","twitter_site":"@GSMA","twitter_misc":{"Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/","url":"https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/","name":"IR.88 EPS Roaming Guidelines Version 29.0 - Newsroom","isPartOf":{"@id":"https:\/\/www.gsma.com\/newsroom\/#website"},"datePublished":"2021-12-16T10:02:18+00:00","dateModified":"2025-09-22T09:31:20+00:00","breadcrumb":{"@id":"https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.gsma.com\/newsroom\/gsma_resources\/ir-88-eps-roaming-guidelines-version-27-1\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.gsma.com\/newsroom\/"},{"@type":"ListItem","position":2,"name":"IR.88 EPS Roaming Guidelines Version 29.0"}]},{"@type":"WebSite","@id":"https:\/\/www.gsma.com\/newsroom\/#website","url":"https:\/\/www.gsma.com\/newsroom\/","name":"Newsroom","description":"","publisher":{"@id":"https:\/\/www.gsma.com\/newsroom\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.gsma.com\/newsroom\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/www.gsma.com\/newsroom\/#organization","name":"GSMA","url":"https:\/\/www.gsma.com\/newsroom\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.gsma.com\/newsroom\/#\/schema\/logo\/image\/","url":"https:\/\/www.gsma.com\/newsroom\/wp-content\/uploads\/\/GSMA_logo_colour_web.jpg","contentUrl":"https:\/\/www.gsma.com\/newsroom\/wp-content\/uploads\/\/GSMA_logo_colour_web.jpg","width":1000,"height":1000,"caption":"GSMA"},"image":{"@id":"https:\/\/www.gsma.com\/newsroom\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/gsma\/","https:\/\/x.com\/GSMA","https:\/\/www.instagram.com\/gsmaonline\/","https:\/\/www.linkedin.com\/company\/12380","https:\/\/www.youtube.com\/user\/GSMAOnline"]}]}},"cats":[{"term_id":4754,"name":"All Documents","slug":"all-documents","term_group":0,"term_taxonomy_id":4757,"taxonomy":"resource_categories","description":"","parent":0,"count":181,"filter":"raw"},{"term_id":6633,"name":"Blog","slug":"blog","term_group":0,"term_taxonomy_id":6636,"taxonomy":"resource_categories","description":"","parent":0,"count":0,"filter":"raw"},{"term_id":4759,"name":"Configuration","slug":"configuration","term_group":0,"term_taxonomy_id":4762,"taxonomy":"resource_categories","description":"","parent":5080,"count":2,"filter":"raw"},{"term_id":6368,"name":"COVID-19","slug":"covid-19","term_group":0,"term_taxonomy_id":6371,"taxonomy":"resource_categories","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":4760,"name":"Fraud and Security Group","slug":"fraud-and-security-group","term_group":0,"term_taxonomy_id":4763,"taxonomy":"resource_categories","description":"","parent":5081,"count":10,"filter":"raw"},{"term_id":4762,"name":"GSMA Corporate Documents","slug":"gsma-corporate-documents","term_group":0,"term_taxonomy_id":4765,"taxonomy":"resource_categories","description":"","parent":5080,"count":2,"filter":"raw"},{"term_id":4761,"name":"Internet Group","slug":"web-working-group","term_group":0,"term_taxonomy_id":4764,"taxonomy":"resource_categories","description":"","parent":5081,"count":6,"filter":"raw"},{"term_id":4764,"name":"Market Intelligence","slug":"market-intelligence","term_group":0,"term_taxonomy_id":4767,"taxonomy":"resource_categories","description":"","parent":5080,"count":7,"filter":"raw"},{"term_id":4758,"name":"Networks Group","slug":"networks-group","term_group":0,"term_taxonomy_id":4761,"taxonomy":"resource_categories","description":"","parent":5081,"count":55,"filter":"raw"},{"term_id":4763,"name":"OMTP Documents","slug":"omtp-documents","term_group":0,"term_taxonomy_id":4766,"taxonomy":"resource_categories","description":"","parent":5080,"count":5,"filter":"raw"},{"term_id":6600,"name":"Post Quantum Telco Network","slug":"post-quantum-telco-network","term_group":0,"term_taxonomy_id":6603,"taxonomy":"resource_categories","description":"","parent":5081,"count":0,"filter":"raw"},{"term_id":6599,"name":"Post Quantum Telco Network Task Force","slug":"post-quantum-telco-network-task-force","term_group":0,"term_taxonomy_id":6602,"taxonomy":"resource_categories","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":4757,"name":"SIM Working Group","slug":"sim-working-group","term_group":0,"term_taxonomy_id":4760,"taxonomy":"resource_categories","description":"","parent":5081,"count":25,"filter":"raw"},{"term_id":4755,"name":"Technical Documents","slug":"technical-documents","term_group":0,"term_taxonomy_id":4758,"taxonomy":"resource_categories","description":"","parent":5080,"count":34,"filter":"raw"},{"term_id":4756,"name":"Terminal Steering Group","slug":"terminal-steering-group","term_group":0,"term_taxonomy_id":4759,"taxonomy":"resource_categories","description":"","parent":5081,"count":32,"filter":"raw"},{"term_id":5080,"name":"Type","slug":"type","term_group":0,"term_taxonomy_id":5083,"taxonomy":"resource_categories","description":"","parent":0,"count":0,"filter":"raw"},{"term_id":5086,"name":"Web Working Group","slug":"web-working-group-2","term_group":0,"term_taxonomy_id":5089,"taxonomy":"resource_categories","description":"","parent":0,"count":0,"filter":"raw"},{"term_id":5081,"name":"Working Group","slug":"working-group","term_group":0,"term_taxonomy_id":5084,"taxonomy":"resource_categories","description":"","parent":0,"count":4,"filter":"raw"}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/gsma_theme_resources\/20172"}],"collection":[{"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/gsma_theme_resources"}],"about":[{"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/types\/gsma_theme_resources"}],"author":[{"embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/users\/11"}],"version-history":[{"count":8,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/gsma_theme_resources\/20172\/revisions"}],"predecessor-version":[{"id":24011,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/gsma_theme_resources\/20172\/revisions\/24011"}],"wp:attachment":[{"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/media?parent=20172"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/tags?post=20172"},{"taxonomy":"resource_categories","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/resource_categories?post=20172"},{"taxonomy":"algolia_discover_state","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/algolia_discover_state?post=20172"},{"taxonomy":"algolia_discover_topic","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/algolia_discover_topic?post=20172"},{"taxonomy":"algolia_discover_region","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/algolia_discover_region?post=20172"},{"taxonomy":"algolia_discover_type","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/algolia_discover_type?post=20172"},{"taxonomy":"algolia_discover_series","embeddable":true,"href":"https:\/\/www.gsma.com\/newsroom\/wp-json\/wp\/v2\/algolia_discover_series?post=20172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}