{"id":"EM-20261106-0ZX4","url":"https://cyber.eventmonitor.net/incident/EM-20261106-0ZX4/t-mobile-messaging-delivery-problems/","type":"outage","title":"T-Mobile: Messaging Delivery Problems","subtitle":"Nov 6, 2026 · Carrier · reported by Sinch, Twilio, Vonage","subject":"T-Mobile","status":"Confirmed","severity":"medium","affected":[],"headline":null,"born":"2026-11-06T01:23:45.691Z","firstSignal":"2026-11-06T00:58:10.269Z","lastSignal":"2026-11-06T02:37:22.563Z","updated":"2026-11-06T02:43:27.500Z","revision":5,"life":[{"status":"Born","at":"2026-11-06T01:23:45.691Z","why":"second independent source: T17 Twilio status"},{"status":"Developing","at":"2026-11-06T01:23:45.691Z","why":"signals keep joining"},{"status":"Confirmed","at":"2026-11-06T01:23:45.691Z","why":"2 provider status pages acknowledged it"}],"changeLog":[{"at":"2026-11-06T00:58:10.269Z","what":"First signal: T20 Sinch status"},{"at":"2026-11-06T01:23:45.691Z","what":"Born: second source, T17 Twilio status. Page EM-20261106-0ZX4 created."},{"at":"2026-11-06T01:23:45.691Z","what":"Status: Confirmed (2 provider status pages acknowledged it)"},{"at":"2026-11-06T02:01:41.726Z","what":"Source joined: T21 Vonage status"}],"stages":[{"name":"First Report","at":"2026-11-06T00:58:10.269Z","detail":"T20 Sinch status"},{"name":"Corroborated","at":"2026-11-06T01:23:45.691Z","detail":"3 independent sources"},{"name":"Acknowledged","at":"2026-11-06T00:58:10.269Z","detail":"T20 status page"},{"name":"Network Check","at":null,"detail":"No network data for this provider"},{"name":"Restored","at":null,"detail":"Still open"}],"signals":[{"at":"2026-11-06T00:58:10.269Z","source":"T20","sourceName":"Sinch status","role":"Provider Status","severity":2,"title":"Sinch: Delivery Issue Czech Republic - T-Mobile","text":"investigating. We are currently observing delivery issues in Czech Republic - T-Mobile Incident Start Time: 2026-11-06 00:30 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts We will update as soon as we have more information. If you have","url":"https://stspg.io/9ckbyykt24fy"},{"at":"2026-11-06T01:23:45.691Z","source":"T17","sourceName":"Twilio status","role":"Provider Status","severity":2,"title":"Twilio: SMS Delivery Delays from Twilio to T-Mobile Czech Republic","text":"investigating. Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available","url":"https://stspg.io/rckpqs66fws7"},{"at":"2026-11-06T01:31:39.101Z","source":"T17","sourceName":"Twilio status","role":"Provider Status","severity":2,"title":"Twilio: SMS Delivery Delays from Twilio to T-Mobile Czech Republic","text":"identified. Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more info","url":"https://stspg.io/rckpqs66fws7"},{"at":"2026-11-06T02:01:41.726Z","source":"T21","sourceName":"Vonage status","role":"Provider Status","severity":2,"title":"Vonage: Czech Republic SMS - Delivery Degradation towards T-Mobile Network","text":"investigating. We are currently observing SMS delivery degradation towards Czech Republic T-Mobile. We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available. Please contact support@api.vonage.com if ","url":"https://stspg.io/gnr114mqjlpr"},{"at":"2026-11-06T02:11:41.985Z","source":"T20","sourceName":"Sinch status","role":"Provider Status","severity":2,"title":"Sinch: Delivery Issue Czech Republic - T-Mobile","text":"investigating. We are continuing to investigate this issue.","url":"https://stspg.io/9ckbyykt24fy"},{"at":"2026-11-06T02:37:22.563Z","source":"T17","sourceName":"Twilio status","role":"Provider Status","severity":2,"title":"Twilio: SMS Delivery Delays from Twilio to T-Mobile Czech Republic","text":"identified. Twilio customers may be experiencing SMS delivery delays from Twilio to T-Mobile network subscribers in the Czech Republic. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more inf","url":"https://stspg.io/rckpqs66fws7"}],"crowd":[],"reference":{},"mergedInto":null,"publisher":"Event Monitor Cyber"}