Minor incident

Twilio: Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina

Affected: Voice, Latin America

Current status of Twilio: Minor issues — live Twilio status

Timeline

1. Oct 27, 2026, 22:28 UTC
   investigating
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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 27, 2026, 23:28 UTC
   investigating
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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 28, 2026, 01:29 UTC
   investigating
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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 28, 2026, 05:29 UTC
   investigating
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 8 hours or as soon as more information becomes available.
5. Oct 28, 2026, 06:57 UTC
   identified
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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.
6. Oct 28, 2026, 08:03 UTC
   identified
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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.
7. Oct 28, 2026, 10:04 UTC
   identified
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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.
8. Oct 28, 2026, 14:16 UTC
   identified
   Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. 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. Oct 28, 2026, 17:10 UTC
   monitoring
   We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Argentina and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
10. Oct 28, 2026, 18:09 UTC
    resolved
    The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in Argentina are operating normally.

Updates as published by Twilio (original).