Twilio incident

Voice Call Failures from Twilio Phone Numbers to Vivo Telefonica Brazil

Resolved after 1 day 2 hours, affecting Voice, Latin America, on July 2, 2026.

resolved Jul 03, 2026, 06:24 PM UTC

We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

Started
Jul 02, 2026, 04:09 PM UTC
Resolved
Jul 03, 2026, 06:24 PM UTC
Duration
1d 2h
Detected by Pingoru
Jul 02, 2026, 04:09 PM UTC

Affected components

Voice, Latin America

Update timeline

  1. identified Jul 02, 2026, 04:09 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Brazil. 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.

  2. identified Jul 02, 2026, 04:09 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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 Jul 02, 2026, 05:09 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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 Jul 02, 2026, 05:10 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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.

  5. identified Jul 02, 2026, 07:09 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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.

  6. identified Jul 02, 2026, 07:10 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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.

  7. identified Jul 02, 2026, 11:10 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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.

  8. identified Jul 02, 2026, 11:10 PM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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.

  9. identified Jul 03, 2026, 07:11 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in Brazil. 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.

  10. identified Jul 03, 2026, 07:11 AM UTC

    Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Vivo Telefonica network subscribers in Brazil. 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.

  11. resolved Jul 03, 2026, 06:24 PM UTC

    We have completed our investigation and determined that this event did not result in any customer impact. All systems are operating normally.

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