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INCIDENT RESOLVED
Twilio
✓SMS Delivery Failures From a Subset of Twilio Alphanumeric Sender IDs to Telkomsel Indonesia
Updated
Resolved
23:56Started
2Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio reported SMS delivery failures affecting a subset of alphanumeric sender IDs to Telkomsel network subscribers in Indonesia. Twilio later reported observed recovery and is monitoring service stability.
What users experienced
- User impact
Some Twilio customers may experience SMS delivery failures when using a subset of Twilio Alphanumeric Sender IDs to Telkomsel network subscribers in Indonesia.
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Started
23:5623 Sep 2026Timeline of the incident
-
Detection
Confirmed by an official service source.
-
Resolution
The service is no longer reporting this incident as active.
What we know
- ✓Twilio classified the incident as minor and initially listed its status as investigating.
- ✓Twilio later stated that it had identified the cause and was working to resolve the issue.
- ✓Twilio subsequently reported observed recovery in SMS delivery and changed the incident status to monitoring.