# Voice Call Failures and Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Argentina

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 12h 47m
- started 2026-09-14 16:00 UTC
- Voice, Latin America
- id: DWN-793d0cd3e1
- Official page: https://stspg.io/2hy5vlnwb0x7

## Updates from Twilio
### 2026-09-14 16:00 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.

### 2026-09-14 16:12 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.

### 2026-09-14 17:13 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.

### 2026-09-14 19:13 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.

### 2026-09-14 21:53 UTC: identified
Twilio customers may be experiencing voice call failures and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks 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.

### 2026-09-14 23:14 UTC: identified
Twilio customers may be experiencing voice call failures and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks 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.

### 2026-09-15 03:55 UTC: monitoring
We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Argentina and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-09-15 04:47 UTC: resolved
The incident has been resolved and voice calls between a subset of Twilio Phone Numbers and network subscribers in Argentina are operating normally.

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