Outage in Twilio
SMS Delivery Delays and Failures From a Subset of Twilio Long Codes to U Mobile Malaysia
Resolved MinorIncident Report
Summary AI Generated
Twilio experienced SMS delivery delays and failures from a subset of long codes to U Mobile network subscribers in Malaysia for 13.3 hours. The issue affected Twilio customers trying to send SMS messages to recipients on the U Mobile network in Malaysia. The incident was resolved after the team identified the root cause and implemented a fix, with SMS delivery returning to normal operations.
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio SMS, APACTrusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
about 10 hours ago - at 05/12/2026 06:36AM
The incident has been resolved and SMS delivery from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia is operating normally.
MONITORING
about 11 hours ago - at 05/12/2026 05:19AM
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
MONITORING
about 13 hours ago - at 05/12/2026 03:18AM
We have observed a recovery in SMS delivery from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
IDENTIFIED
about 16 hours ago - at 05/12/2026 12:31AM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.
IDENTIFIED
about 20 hours ago - at 05/11/2026 08:30PM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.
IDENTIFIED
about 22 hours ago - at 05/11/2026 06:30PM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.
IDENTIFIED
about 23 hours ago - at 05/11/2026 05:30PM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. 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.
INVESTIGATING
about 23 hours ago - at 05/11/2026 05:22PM
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Long Codes to U Mobile network subscribers in Malaysia. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
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