{"id":14075,"date":"2026-03-17T14:32:01","date_gmt":"2026-03-17T11:32:01","guid":{"rendered":"https:\/\/vasexperts.com\/?p=14075"},"modified":"2026-03-17T15:06:57","modified_gmt":"2026-03-17T12:06:57","slug":"3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia","status":"publish","type":"post","link":"https:\/\/vasexperts.com\/br\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/","title":{"rendered":"3GPP Compliance em a\u00e7\u00e3o: como o PGW da VAS Experts restaurou o roaming 4G na Austr\u00e1lia"},"content":{"rendered":"No entanto, o roaming global traz riscos tecnol\u00f3gicos. Cada operadora local (MNO) em um determinado pa\u00eds utiliza seu pr\u00f3prio n\u00facleo de rede, suas pr\u00f3prias configura\u00e7\u00f5es e pode realizar atualiza\u00e7\u00f5es de equipamentos a qualquer momento \u2014 atualiza\u00e7\u00f5es que podem afetar o funcionamento dos parceiros de roaming.\r\n\r\n<strong>O problema de compatibilidade:<\/strong> equipamentos de diferentes fabricantes podem lidar com a troca de mensagens de sinaliza\u00e7\u00e3o de maneiras distintas. O que os sistemas legados \u201ctoleravam\u201d pode se tornar um erro cr\u00edtico ap\u00f3s a atualiza\u00e7\u00e3o da infraestrutura da rede receptora. A hist\u00f3ria do nosso protagonista \u2014 uma operadora de roaming eSIM \u2014 \u00e9 a melhor prova disso.\r\n\r\n<h2>O incidente: atualiza\u00e7\u00e3o de rede na Austr\u00e1lia<\/h2>\r\nTudo come\u00e7ou com reclama\u00e7\u00f5es de turistas que estavam na Austr\u00e1lia. Os assinantes relatavam aus\u00eancia total de internet m\u00f3vel mesmo estando registrados na rede. O suporte t\u00e9cnico da operadora verificou os saldos, os status dos eSIMs e as configura\u00e7\u00f5es dos dispositivos \u2014 tudo parecia estar em ordem.\r\n\r\nA investiga\u00e7\u00e3o revelou a causa real. A operadora local australiana (MNO) havia realizado uma atualiza\u00e7\u00e3o planejada em sua rede. Como parte dessa atualiza\u00e7\u00e3o, as redes 3G legadas foram desativadas, mas problemas tamb\u00e9m come\u00e7aram a surgir na faixa 4G.\r\n\r\n<h2>Investiga\u00e7\u00e3o: o problema na sinaliza\u00e7\u00e3o GTPv2<\/h2>\r\n[important]A an\u00e1lise do tr\u00e1fego mostrou que, ap\u00f3s a atualiza\u00e7\u00e3o do equipamento, a operadora australiana havia habilitado verifica\u00e7\u00f5es adicionais de valida\u00e7\u00e3o para as mensagens de sinaliza\u00e7\u00e3o em conformidade com os padr\u00f5es 3GPP. Em particular, foram aplicados controles mais r\u00edgidos sobre a troca de mensagens do protocolo GTPv2 (GPRS Tunneling Protocol), utilizado para estabelecer sess\u00f5es entre o SGW e o PGW.[\/important]\r\n\r\nO PGW (Packet Data Network Gateway) legado da operadora de roaming n\u00e3o passou nessa verifica\u00e7\u00e3o. Ao receber um Create Session Request do lado australiano, ele gerava um Create Session Response com par\u00e2metros que n\u00e3o atendiam aos requisitos atualizados. A rede australiana, seguindo seus padr\u00f5es, descartava essas respostas e a conex\u00e3o n\u00e3o conseguia ser estabelecida. Os assinantes conseguiam ver a rede, mas eram incapazes de acessar a internet mesmo no moderno 4G.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/03\/3gpp-compliance.jpg\" alt=\"3gpp compliance\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-14077\" srcset=\"\/wp-content\/uploads\/2026\/03\/3gpp-compliance.jpg 750w, \/wp-content\/uploads\/2026\/03\/3gpp-compliance-300x169.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/03\/3gpp-compliance.jpg\" alt=\"3gpp compliance\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-14077 lazyload\" sizes=\"(max-width: 750px) 100vw, 750px\" data-src=\"\/wp-content\/uploads\/2026\/03\/3gpp-compliance.jpg\" data-srcset=\"\/wp-content\/uploads\/2026\/03\/3gpp-compliance.jpg 750w, \/wp-content\/uploads\/2026\/03\/3gpp-compliance-300x169.jpg 300w\">\r\n\r\n<h2>A solu\u00e7\u00e3o salvadora: o PGW da VAS Experts entra em cena<\/h2>\r\nNesse momento cr\u00edtico, a operadora contava com um ambiente de testes implantado com solu\u00e7\u00f5es da VAS Experts. Os engenheiros tomaram uma decis\u00e3o: migrar a interconex\u00e3o problem\u00e1tica com a Austr\u00e1lia do PGW legado para o <a href=\"\/br\/products\/pgw\/\">Stingray PGW da VAS Experts<\/a> que estava sendo avaliado, e verificar o funcionamento com assinantes de teste.\r\n\r\n<strong>O resultado superou todas as expectativas.<\/strong> A conex\u00e3o foi estabelecida instantaneamente.\r\n\r\nAo contr\u00e1rio do equipamento legado, o Stingray PGW segue rigorosamente os padr\u00f5es 3GPP e as especifica\u00e7\u00f5es do protocolo GTPv2. Ele gerou um Create Session Response correto que atendeu plenamente aos requisitos da rede atualizada da operadora australiana. Os assinantes de teste conectados ao novo n\u00facleo obtiveram acesso \u00e0 internet 4G com sucesso.\r\n\r\n<h2>Resultado: turistas de volta online<\/h2>\r\nO Stingray PGW restaurou a conectividade e ajudou a identificar a causa raiz do problema \u2014 o funcionamento incorreto do PGW legado no n\u00edvel de sinaliza\u00e7\u00e3o. Os assinantes obtiveram internet 4G est\u00e1vel, e o produto comprovou sua conformidade com os padr\u00f5es internacionais em um cen\u00e1rio real de produ\u00e7\u00e3o onde a solu\u00e7\u00e3o legada havia falhado.\r\n\r\n<h3>Detalhes t\u00e9cnicos<\/h3>\r\nO sucesso deste caso \u00e9 explicado pelas caracter\u00edsticas arquiteturais da solu\u00e7\u00e3o da VAS Experts:\r\n<ul>\r\n \t<li><strong>Estrita conformidade com os padr\u00f5es 3GPP:<\/strong> o PGW da VAS Experts \u00e9 desenvolvido de acordo com todas as especifica\u00e7\u00f5es vigentes. Ele n\u00e3o permite interpreta\u00e7\u00f5es flex\u00edveis dos protocolos, o que \u00e9 de vital import\u00e2ncia ao interagir com redes de grandes operadoras que aplicam valida\u00e7\u00e3o rigorosa do tr\u00e1fego de sinaliza\u00e7\u00e3o.<\/li>\r\n \t<li><strong>Tratamento correto da pilha GTPv2:<\/strong> o gateway processa corretamente todos os Information Elements (IE) nas mensagens Create Session Request e gera respostas Create Session Response v\u00e1lidas, garantindo o estabelecimento bem-sucedido de sess\u00f5es mesmo ap\u00f3s atualiza\u00e7\u00f5es de equipamentos do lado do parceiro.<\/li>\r\n \t<li><strong>Suporte multi-acesso:<\/strong> o PGW suporta opera\u00e7\u00e3o em redes 3G, 4G\/LTE e 5G em um \u00fanico dispositivo.<\/li>\r\n<\/ul>\r\n\r\nVale destacar que um PGW frequentemente conta com funcionalidade PCEF (Policy and Charging Enforcement Function) integrada. O PCEF integrado permite uma cobran\u00e7a flex\u00edvel do tr\u00e1fego em roaming e a aplica\u00e7\u00e3o de pol\u00edticas de QoS. Em nossa arquitetura, o PGW pode operar de forma independente ou em conjunto com um PCEF de desenvolvimento pr\u00f3prio.\r\n\r\n<h2>Conclus\u00e3o: dos testes \u00e0 produ\u00e7\u00e3o<\/h2>\r\nA resolu\u00e7\u00e3o bem-sucedida do incidente na Austr\u00e1lia marcou um ponto de virada. A operadora de eSIM, ap\u00f3s confirmar a confiabilidade do PGW da VAS Experts, tomou a decis\u00e3o de implantar os equipamentos do fabricante em produ\u00e7\u00e3o completa.\r\n\r\n<strong>Este caso demonstra claramente o requisito fundamental do mercado de roaming moderno:<\/strong> o n\u00facleo de rede deve estar preparado para qualquer imprevisto proveniente das in\u00fameras operadoras de redes receptoras ao redor do mundo, cumprir rigorosamente os padr\u00f5es e se manter atualizado com os avan\u00e7os tecnol\u00f3gicos \u2014 para que nenhuma atualiza\u00e7\u00e3o da rede de um parceiro afete a disponibilidade do servi\u00e7o para os assinantes.\r\n\r\n[product id=\u201d11736\u2033 type=\u201ddark\u201d]","protected":false},"excerpt":{"rendered":"<p>Um moderno operador MVNO especializado na venda de eSIM para turistas opera em um mercado altamente competitivo. Seu principal ativo \u00e9 a conectividade \u00e0 internet sem interrup\u00e7\u00f5es para os assinantes em qualquer parte do mundo. A ativa\u00e7\u00e3o instant\u00e2nea do perfil, um sinal est\u00e1vel e uma velocidade previs\u00edvel s\u00e3o a chave para a fidelidade de milhares de viajantes.<\/p>\n","protected":false},"author":7,"featured_media":14078,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[102],"tags":[],"class_list":["post-14075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mobile-networks"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>(English) VASExperts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/\",\"url\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/\",\"name\":\"[:en]How VAS Experts' PGW Restored 4G Roaming in Australia \u2014 VAS Experts[:es]C\u00f3mo el PGW de VAS Experts restableci\u00f3 el roaming 4G en Australia \u2014 VAS Experts[:fr]Comment le PGW de VAS Experts a r\u00e9tabli le roaming 4G en Australie \u2014 VAS Experts[:br]Como o PGW da VAS Experts restaurou o roaming 4G na Austr\u00e1lia \u2014 VAS Experts\",\"isPartOf\":{\"@id\":\"https:\/\/vasexperts.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/#primaryimage\"},\"thumbnailUrl\":\"\/wp-content\/uploads\/2026\/03\/3g-4g-case-australia.jpg\",\"datePublished\":\"2026-03-17T11:32:01+00:00\",\"dateModified\":\"2026-03-17T12:06:57+00:00\",\"author\":{\"@id\":\"https:\/\/vasexperts.com\/#\/schema\/person\/f4edcaef26fe49b6b59baf8ac5b62170\"},\"description\":\"[:en]3GPP Compliance Case StudyDescription: Discover how VAS Experts' Stingray PGW resolved a critical 4G roaming outage in Australia caused by GTPv2 signaling incompatibility \u2014 and why strict 3GPP compliance is essential for eSIM roaming operators.[:es]Caso de estudio 3GPPDescription: Descubra c\u00f3mo el Stingray PGW de VAS Experts resolvi\u00f3 una interrupci\u00f3n cr\u00edtica del roaming 4G en Australia causada por incompatibilidad en la se\u00f1alizaci\u00f3n GTPv2, y por qu\u00e9 el cumplimiento estricto de los est\u00e1ndares 3GPP es esencial para los operadores de roaming eSIM.[:fr] \u00c9tude de cas 3GPPDescription: D\u00e9couvrez comment le Stingray PGW de VAS Experts a r\u00e9solu une panne critique du roaming 4G en Australie caus\u00e9e par une incompatibilit\u00e9 de signalisation GTPv2, et pourquoi la conformit\u00e9 stricte aux normes 3GPP est essentielle pour les op\u00e9rateurs de roaming eSIM.[:br]Estudo de caso 3GPPDescription: Saiba como o Stingray PGW da VAS Experts resolveu uma interrup\u00e7\u00e3o cr\u00edtica do roaming 4G na Austr\u00e1lia causada por incompatibilidade na sinaliza\u00e7\u00e3o GTPv2, e por que a conformidade rigorosa com os padr\u00f5es 3GPP \u00e9 essencial para operadoras de roaming eSIM.\",\"breadcrumb\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/#breadcrumb\"},\"inLanguage\":\"br-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"br-PT\",\"@id\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/#primaryimage\",\"url\":\"\/wp-content\/uploads\/2026\/03\/3g-4g-case-australia.jpg\",\"contentUrl\":\"\/wp-content\/uploads\/2026\/03\/3g-4g-case-australia.jpg\",\"width\":1200,\"height\":680,\"caption\":\"3G-4G case Australia\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/vasexperts.com\/blog\/mobile-networks\/3gpp-compliance-in-action-how-vas-experts-pgw-restored-4g-roaming-in-australia\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u0413\u043b\u0430\u0432\u043d\u0430\u044f \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430\",\"item\":\"https:\/\/vasexperts.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"3GPP Compliance in Action: How VAS Experts&#8217; 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