Minor incident

Twilio: Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers

Affected: Voice, APAC

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 20, 2026, 02:05 UTC
   investigating
   Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
2. Oct 20, 2026, 02:06 UTC
   identified
   Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. 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.
3. Oct 20, 2026, 03:12 UTC
   identified
   Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. 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.
4. Oct 20, 2026, 05:12 UTC
   identified
   Twilio customers may be experiencing voice call failures from network subscribers to a subset of Twilio Thailand Phone Numbers. 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.
5. Oct 20, 2026, 06:12 UTC
   monitoring
   We have observed a recovery in voice calls from network subscribers to a subset of Twilio Thailand Phone Numbers and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
6. Oct 20, 2026, 08:13 UTC
   monitoring
   We have observed a recovery in voice calls from network subscribers to a subset of Twilio Thailand Phone Numbers and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.
7. Oct 20, 2026, 12:14 UTC
   resolved
   The incident has been resolved and voice calls from network subscribers to a subset of Twilio Thailand Phone Numbers are operating normally.

Updates as published by Twilio (original).