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

- Provider: [Twilio](https://outages.cc/twilio.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-27 22:28 UTC
- Resolved: 2026-10-28 18:09 UTC (lasted 19 h 41 min)
- Components: Voice, Latin America, CARRIER NETWORK - Voice, Latin America
- Official update: https://stspg.io/b8qwcl8jqfs8

## Updates from Twilio

### resolved, 2026-10-28 18:09 UTC

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

### monitoring, 2026-10-28 17:10 UTC

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.

### identified, 2026-10-28 14:16 UTC

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.

### identified, 2026-10-28 10:04 UTC

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.

### identified, 2026-10-28 08:03 UTC

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.

### identified, 2026-10-28 06:57 UTC

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.

### investigating, 2026-10-28 05:29 UTC

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.

### investigating, 2026-10-28 01:29 UTC

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.

### investigating, 2026-10-27 23:28 UTC

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.

### investigating, 2026-10-27 22:28 UTC

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.