Minor incident

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

Affected: Voice, Latin America

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 19, 2026, 13:29 UTC
   investigating
   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. Oct 19, 2026, 14:29 UTC
   investigating
   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. Oct 19, 2026, 16:29 UTC
   investigating
   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. Oct 19, 2026, 16:31 UTC
   identified
   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. Oct 19, 2026, 17:33 UTC
   identified
   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. Oct 19, 2026, 19:00 UTC
   identified
   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. Oct 19, 2026, 20:00 UTC
   identified
   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. Oct 19, 2026, 20:44 UTC
   identified
   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. Oct 19, 2026, 21:44 UTC
   identified
   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. Oct 19, 2026, 22:00 UTC
    identified
    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. Oct 19, 2026, 22:51 UTC
    monitoring
    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. Oct 20, 2026, 00:57 UTC
    monitoring
    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. Oct 20, 2026, 04:58 UTC
    monitoring
    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. Oct 20, 2026, 12:40 UTC
    identified
    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. Oct 20, 2026, 13:40 UTC
    identified
    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. Oct 20, 2026, 15:41 UTC
    identified
    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. Oct 20, 2026, 18:25 UTC
    monitoring
    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. Oct 20, 2026, 20:25 UTC
    monitoring
    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. Oct 21, 2026, 00:27 UTC
    monitoring
    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. Oct 21, 2026, 08:33 UTC
    monitoring
    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. Oct 21, 2026, 19:13 UTC
    identified
    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. Oct 21, 2026, 20:14 UTC
    identified
    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. Oct 21, 2026, 22:14 UTC
    identified
    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. Oct 21, 2026, 23:35 UTC
    monitoring
    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. Oct 22, 2026, 01:41 UTC
    monitoring
    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. Oct 22, 2026, 04:43 UTC
    resolved
    The incident has been resolved and voice calls from a subset of Twilio Mobile Numbers to network subscribers in Brazil are operating normally.

Updates as published by Twilio (original).