Twilio incident

Voice Call Failures from a Subset of Twilio Phone Numbers to Hong Kong

Minor Resolved View vendor source →

Twilio experienced a minor incident on September 12, 2026 affecting Voice, APAC, lasting 16d 14h. The incident has been resolved; the full update timeline is below.

Started
Sep 12, 2026, 12:16 AM UTC
Resolved
Sep 28, 2026, 03:05 PM UTC
Duration
16d 14h
Detected by Pingoru
Sep 12, 2026, 12:16 AM UTC

Affected components

Voice, APAC

Update timeline

  1. investigating Sep 12, 2026, 12:16 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

  2. identified Sep 12, 2026, 12:24 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. 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. identified Sep 12, 2026, 01:25 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Hong Kong. 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. identified Sep 12, 2026, 03:25 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. 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. identified Sep 12, 2026, 07:30 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. 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.

  6. identified Sep 12, 2026, 03:31 PM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.

  7. identified Sep 13, 2026, 07:31 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  8. identified Sep 14, 2026, 07:32 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  9. identified Sep 15, 2026, 07:33 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  10. identified Sep 16, 2026, 07:33 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  11. identified Sep 17, 2026, 07:34 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  12. identified Sep 18, 2026, 07:34 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  13. identified Sep 19, 2026, 07:40 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  14. identified Sep 20, 2026, 07:41 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  15. identified Sep 21, 2026, 07:47 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  16. identified Sep 22, 2026, 07:48 AM UTC

    Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.

  17. monitoring Sep 23, 2026, 04:58 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

  18. monitoring Sep 23, 2026, 06:59 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

  19. monitoring Sep 23, 2026, 10:59 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 8 hours or as soon as more information becomes available.

  20. monitoring Sep 23, 2026, 06:59 PM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 16 hours or as soon as more information becomes available.

  21. monitoring Sep 24, 2026, 11:00 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  22. monitoring Sep 25, 2026, 11:01 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  23. monitoring Sep 26, 2026, 11:08 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  24. monitoring Sep 27, 2026, 11:13 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  25. monitoring Sep 28, 2026, 11:26 AM UTC

    We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.

  26. resolved Sep 28, 2026, 03:05 PM UTC

    The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in Hong Kong are operating normally.