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INCIDENT RESOLVED
Twilio
✓SMS Delivery Failures From Twilio Alphanumeric Sender IDs and Long Codes to Smart Axiata/Hello Cambodia
Updated
Resolved
10:12Started
2Timeline events
Confirmed by the official source.
Executive summary
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Summary
Twilio has confirmed SMS delivery failures affecting messages sent through alphanumeric sender IDs and long codes to Smart Axiata/Hello network subscribers in Cambodia.
What users experienced
- User impact
Customers may experience failed SMS delivery through Twilio alphanumeric sender IDs and long codes when sending to Smart Axiata/Hello network subscribers in Cambodia.
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Started
10:1215 Sep 2026Timeline of the incident
-
Detection
Confirmed by an official service source.
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Resolution
The service is no longer reporting this incident as active.
What we know
- ✓Twilio initially reported the issue as under investigation.
- ✓Twilio later stated that the cause had been identified and that work to resolve the issue was in progress.
- ✓The affected Twilio component is SMS, APAC, with degraded performance.
- ✓The latest update narrowed the described impact to Twilio long codes.