Voice Call Failures and Post Dial Delay from a Subset of Twilio Mobile Numbers to Brazil

Update timeline

1. investigating Oct 19, 2026, 01:29 PM UTC

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

2. investigating Oct 19, 2026, 02:29 PM UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Mobile Numbers to network subscribers in Brazil. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.

3. investigating Oct 19, 2026, 04:29 PM UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Mobile Numbers to network subscribers in Brazil. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.

4. identified Oct 19, 2026, 04:31 PM UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Mobile 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.

5. identified Oct 19, 2026, 05:33 PM UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Mobile 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 2 hours or as soon as more information becomes available.

6. identified Oct 19, 2026, 07:00 PM UTC

   Twilio customers may be experiencing voice call failures, and post dial delay from a subset of Twilio Mobile 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.

7. identified Oct 19, 2026, 08:00 PM UTC

   Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Mobile 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 2 hours or as soon as more information becomes available.

8. identified Oct 19, 2026, 08:44 PM UTC

   Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Mobile 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.

9. identified Oct 19, 2026, 09:44 PM UTC

   Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Mobile 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 2 hours or as soon as more information becomes available.

10. identified Oct 19, 2026, 10:00 PM UTC

    Twilio customers may be experiencing voice call post dial delay from a subset of Twilio Mobile 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 4 hours or as soon as more information becomes available.

11. monitoring Oct 19, 2026, 10:51 PM UTC

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

12. monitoring Oct 20, 2026, 12:57 AM UTC

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

13. monitoring Oct 20, 2026, 04:58 AM UTC

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

14. identified Oct 20, 2026, 12:40 PM UTC

    Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Mobile 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.

15. identified Oct 20, 2026, 01:40 PM UTC

    Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Mobile 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 2 hours or as soon as more information becomes available.

16. identified Oct 20, 2026, 03:41 PM UTC

    Twilio customers may be experiencing voice call failures and post dial delay from a subset of 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 4 hours or as soon as more information becomes available.

17. monitoring Oct 20, 2026, 06:25 PM UTC

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

18. monitoring Oct 20, 2026, 08:25 PM UTC

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

19. monitoring Oct 21, 2026, 12:27 AM UTC

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

20. monitoring Oct 21, 2026, 08:33 AM UTC

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

21. identified Oct 21, 2026, 07:13 PM UTC

    Twilio customers may be experiencing voice call failures and post dial delay from a subset of 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.

22. identified Oct 21, 2026, 08:14 PM UTC

    Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Mobile 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 2 hours or as soon as more information becomes available.

23. identified Oct 21, 2026, 10:14 PM UTC

    Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Mobile 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 4 hours or as soon as more information becomes available.

24. monitoring Oct 21, 2026, 11:35 PM UTC

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

25. monitoring Oct 22, 2026, 01:41 AM UTC

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

26. resolved Oct 22, 2026, 04:43 AM UTC

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