Outage in Twilio
RCS Message Delivery Delays via AT&T
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced delays in RCS message delivery to AT&T devices for 6.7 hours, causing messages to fall back to SMS at higher rates for customers with fallback enabled. The issue affected RCS messaging specifically to AT&T recipients, while other carriers remained unaffected. The problem was resolved and RCS message delivery returned to normal operation.
Customers might be experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 1 hour or as soon as more information becomes available.
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Latest Updates ( sorted recent to last )
RESOLVED
28 days ago - at 05/11/2026 10:54PM
The issue with delays in RCS message delivery to ATT devices has been resolved and RCS message delivery is operating normally at this time.
MONITORING
28 days ago - at 05/11/2026 10:23PM
RCS message delivery to ATT devices is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.
IDENTIFIED
28 days ago - at 05/11/2026 07:17PM
We are still experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 4 hours or as soon as more information becomes available.
IDENTIFIED
29 days ago - at 05/11/2026 05:18PM
We are still experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 2 hours or as soon as more information becomes available.
IDENTIFIED
29 days ago - at 05/11/2026 04:17PM
Customers might be experiencing delays in RCS message delivery to ATT devices. Customers who have fallback to sms enabled could be experiencing higher rate of messages falling back to sms for ATT recipients. We expect to provide another update in 1 hour or as soon as more information becomes available.
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