{"id":"EM-20261113-84L0","url":"https://cyber.eventmonitor.net/incident/EM-20261113-84L0/att-messaging-delivery-problems/","type":"outage","title":"AT&T: Messaging Delivery Problems","subtitle":"Nov 13, 2026 · Carrier · reported by Sinch, Bandwidth","subject":"AT&T","status":"Resolved","severity":"info","affected":[],"headline":"Providers' own notes put the impact at 08:45–09:24 UTC on Nov 13, 20:45 UTC on Nov 11–19:00 UTC on Nov 12.","born":"2026-11-13T09:15:25.142Z","firstSignal":"2026-11-13T07:42:00.000Z","lastSignal":"2026-11-13T09:15:25.142Z","updated":"2026-11-13T15:30:29.588Z","revision":11,"life":[{"status":"Born","at":"2026-11-13T09:15:25.142Z","why":"second independent source: T18 Bandwidth status"},{"status":"Developing","at":"2026-11-13T09:15:25.142Z","why":"signals keep joining"},{"status":"Confirmed","at":"2026-11-13T09:15:25.142Z","why":"2 provider status pages acknowledged it"},{"status":"Resolved","at":"2026-11-13T09:15:25.142Z","why":"every provider marked it resolved"}],"changeLog":[{"at":"2026-11-13T07:42:00.000Z","what":"First signal: T20 Sinch status"},{"at":"2026-11-13T09:15:25.142Z","what":"Born: second source, T18 Bandwidth status. Page EM-20261113-84L0 created."},{"at":"2026-11-13T09:15:25.142Z","what":"Status: Confirmed (2 provider status pages acknowledged it)"},{"at":"2026-11-13T09:15:25.142Z","what":"Status: Resolved (every provider marked it resolved)"}],"stages":[{"name":"First Report","at":"2026-11-13T07:42:00.000Z","detail":"T20 Sinch status"},{"name":"Corroborated","at":"2026-11-13T09:15:25.142Z","detail":"2 independent sources"},{"name":"Acknowledged","at":"2026-11-13T07:42:00.000Z","detail":"T20 status page"},{"name":"Network Check","at":null,"detail":"No network data for this provider"},{"name":"Restored","at":"2026-11-13T09:15:25.142Z","detail":"All status incidents resolved"}],"signals":[{"at":"2026-11-13T07:42:00.000Z","source":"T20","sourceName":"Sinch status","role":"Provider Status","severity":1,"title":"Sinch: Post-Incident Notification - Mexico - Telefonica and AT&T","text":"resolved. We experienced an issue causing degradation in Mexico - Telefonica and AT&T Incident Start Time: 2026-11-13 08:45 UTC Incident End Time : 2026-11-13 09:24 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts If you have any…","url":"https://stspg.io/qw54h19h2fhq"},{"at":"2026-11-13T09:15:25.142Z","source":"T18","sourceName":"Bandwidth status","role":"Provider Status","severity":1,"title":"Bandwidth: Intermittent Call Failures","text":"postmortem. Between 20:45 UTC on November 11 and 19:00 UTC on November 12, a subset of outbound voice calls to certain destinations routed through one AT&T connection were not completed. Bandwidth is continuing to investigate this issue to identify all actions necessary…","url":"https://stspg.io/g5xnbmwkbp6r"}],"crowd":[{"at":"2026-11-13T10:24:35.275Z","source":"T48","title":"AT&T: Possible problems (Outage.Report)","url":"https://outage.report/us/att"},{"at":"2026-11-13T11:22:00.387Z","source":"T48","title":"AT&T: Possible problems (Outage.Report)","url":"https://outage.report/us/att"},{"at":"2026-11-13T12:29:59.973Z","source":"T48","title":"AT&T: Possible problems (Outage.Report)","url":"https://outage.report/us/att"},{"at":"2026-11-13T12:44:47.610Z","source":"T57","title":"AT&T is reportedly down for some subscribers right now. Are you one of them? #ATT #ATTDown statusisdown.com/service/at_a...","url":"https://bsky.app/profile/did:plc:asyaz6jgyscz3rftl7nnz22h/post/3n26z7mc52324"},{"at":"2026-11-13T13:27:04.757Z","source":"T48","title":"AT&T: Possible problems (Outage.Report)","url":"https://outage.report/us/att"},{"at":"2026-11-13T14:10:54.406Z","source":"T48","title":"AT&T: Possible problems (Outage.Report)","url":"https://outage.report/us/att"},{"at":"2026-11-13T15:07:50.099Z","source":"T49","title":"AT&T: Problems detected (crowd reports)","url":"https://istheservicedown.com/problems/att"},{"at":"2026-11-13T15:07:50.099Z","source":"T48","title":"AT&T: Possible problems (Outage.Report)","url":"https://outage.report/us/att"}],"reference":{},"mergedInto":null,"publisher":"Event Monitor Cyber"}