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minor✓ Resolved

SMS and MMS Delivery Delays and Failures Between Twilio and AT&T in United States

TwilioSat, Apr 18, 2026, 01:58 AM
Status
resolved
Duration
12h 42m
Updates
8
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedSat, Apr 18, 2026, 02:40 PM
This incident has been resolved.
monitoringSat, Apr 18, 2026, 12:34 PM
MMS delivery receipts in the United States is now operating normally. We will continue to monitor for system stability. We'll provide another update in 2 hours or as soon as more information becomes available.
identifiedSat, Apr 18, 2026, 10:46 AM
We continue to experience issues for MMS delivery receipts. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
identifiedSat, Apr 18, 2026, 06:44 AM
Twilio customers are no longer experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States.  However, we continue to experience issues for MMS delivery receipts. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available
identifiedSat, Apr 18, 2026, 05:24 AM
Twilio customers may be experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
identifiedSat, Apr 18, 2026, 03:58 AM
We are continuing to work on a fix for this issue.
identifiedSat, Apr 18, 2026, 03:20 AM
Twilio customers may be experiencing SMS and MMS delivery delays between Twilio and AT&T network subscribers in the United States. 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 information becomes available.
identifiedSat, Apr 18, 2026, 02:19 AM
Twilio customers may be experiencing SMS and MMS delivery delays between Twilio and AT&T network subscribers in the United States. 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 information becomes available.
investigatingSat, Apr 18, 2026, 01:58 AM
Twilio customers may be experiencing SMS and MMS delivery delays and failures between Twilio and AT&T network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

📊 TECHNICAL DETAILS

Internal ID
5046ccf2-173c-4ee5-968d-152f186b49e5
External ID
mshf2y3kmklr
🕐 Started
Sat, Apr 18, 2026, 01:58 AM
🔄 Last Updated
Sat, Apr 18, 2026, 02:40 PM
✓ Resolved
Sat, Apr 18, 2026, 02:40 PM
MINOR
Impact Level
12h 42m
Total Duration
8
Status Updates
Affected Components
MMS Long Code, North America
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