SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China
View the provider incident record →Current answer
Twilio experienced a minor incident: SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Mobile China. The provider currently marks this incident Monitoring.
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Incident Lifecycle
Affected Components
SMS, APAC
Incident Timeline
Monitoring
We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.
Oct 9, 2026 at 3:35 PM UTC
Identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. 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.
Oct 9, 2026 at 2:31 PM UTC
Identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to China Mobile network subscribers in China. 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.
Oct 9, 2026 at 10:25 AM UTC
Identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender Type to Mobile network subscribers in China. 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.
Oct 9, 2026 at 8:05 AM UTC
Identified
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. 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.
Oct 9, 2026 at 7:05 AM UTC
Investigating
Twilio customers may be experiencing SMS delivery delays and failures from a subset of Twilio Alphanumeric Sender IDs to China Mobile network subscribers in China. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Oct 9, 2026 at 6:42 AM UTC
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