{"id":"EM-20261029-18LX","url":"https://cyber.eventmonitor.net/incident/EM-20261029-18LX/","type":"outage","title":"AT&T: Service Problems","subtitle":"Oct 29, 2026 · Carrier · reported by Provider status pages (Statuspage), Vonage","subject":"AT&T","status":"Resolved","severity":"high","affected":[],"headline":null,"born":"2026-10-29T20:17:47.460Z","firstSignal":"2026-10-29T17:54:08.000Z","lastSignal":"2026-10-29T21:57:02.397Z","updated":"2026-11-04T09:04:34.499Z","revision":3,"life":[{"status":"Born","at":"2026-10-29T20:17:47.460Z","why":"second independent source: T21 Vonage status"},{"status":"Developing","at":"2026-10-29T20:17:47.460Z","why":"signals keep joining"},{"status":"Confirmed","at":"2026-10-29T20:17:47.460Z","why":"2 provider status pages acknowledged it"},{"status":"Resolved","at":"2026-10-30T21:57:02.397Z","why":"24 hours with no new signal"}],"changeLog":[{"at":"2026-10-29T17:54:08.000Z","what":"First signal: C123 Provider status pages (Statuspage)"},{"at":"2026-10-29T20:17:47.460Z","what":"Born: second source, T21 Vonage status. Page EM-20261029-18LX created."},{"at":"2026-10-29T20:17:47.460Z","what":"Status: Confirmed (2 provider status pages acknowledged it)"},{"at":"2026-10-30T21:57:02.397Z","what":"Status: Resolved (24 hours with no new signal)"}],"stages":[{"name":"First Report","at":"2026-10-29T17:54:08.000Z","detail":"C123 Provider status pages (Statuspage)"},{"name":"Corroborated","at":"2026-10-29T20:17:47.460Z","detail":"2 independent sources"},{"name":"Acknowledged","at":"2026-10-29T17:54:08.000Z","detail":"C123 status page"},{"name":"Network Check","at":"2026-10-29T17:54:08.000Z","detail":"C111 IODA: network normal (lowest 99.7%)"},{"name":"Restored","at":"2026-10-30T21:57:02.397Z","detail":"All status incidents resolved"}],"signals":[{"at":"2026-10-29T17:54:08.000Z","source":"C123","sourceName":"Provider status pages (Statuspage)","role":"Provider Status","severity":3,"title":"Clerk: SMS Delivery I ue","text":"investigating. We're continuing to investigate SMS delivery issues with an upstream vendor impacting users on AT&T.","url":"https://status.clerk.com"},{"at":"2026-10-29T18:00:06.000Z","source":"C123","sourceName":"Provider status pages (Statuspage)","role":"Provider Status","severity":3,"title":"Clerk: SMS Delivery I ue","text":"investigating. We’ve identified an issue with an upstream SMS provider’s delivery route to AT&T numbers. The provider is switching traffic to an alternate route. We’re monitoring delivery rates and will share updates as we learn more.","url":"https://status.clerk.com"},{"at":"2026-10-29T20:17:47.460Z","source":"T21","sourceName":"Vonage status","role":"Provider Status","severity":2,"title":"Vonage: USA SMS/MMS - Delivery degradation affecting SMS and MMS traffic toward  AT&T operator","text":"investigating. Please be advised that we are observing partial latency in SMS and MMS message delivery on AT&T operator in USA.. We are working towards resolution of the issue and will issue an update as soon as more information becomes available. If you have any questions, ","url":"https://stspg.io/pw3gp52phck4"},{"at":"2026-10-29T20:26:35.260Z","source":"T21","sourceName":"Vonage status","role":"Provider Status","severity":2,"title":"Vonage: USA SMS/MMS - Delivery degradation affecting SMS and MMS traffic toward  AT&T operator","text":"monitoring. A fix has been implemented and we are monitoring the results.","url":"https://stspg.io/pw3gp52phck4"},{"at":"2026-10-29T21:57:02.397Z","source":"T21","sourceName":"Vonage status","role":"Provider Status","severity":2,"title":"Vonage: USA SMS/MMS - Delivery degradation affecting SMS and MMS traffic toward  AT&T operator","text":"resolved. This incident has been resolved.","url":"https://stspg.io/pw3gp52phck4"}],"crowd":[],"reference":{},"mergedInto":null,"publisher":"Event Monitor Cyber"}