# Voice Call Audio Quality Degradation between Twilio Phone Numbers and Multiple Networks in Brazil

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 4h 49m
- started 2026-10-13 15:18 UTC
- Voice, Latin America
- latam
- id: DWN-a95466a964
- Official page: https://stspg.io/6kjnwh77ksh7

## Updates from Twilio
### 2026-10-13 15:18 UTC: investigating
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks 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.

### 2026-10-13 16:19 UTC: investigating
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks 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.

### 2026-10-13 16:59 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks 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.

### 2026-10-13 18:01 UTC: monitoring
We have observed a recovery in voice calls between Twilio Phone Numbers and network subscribers on multiple networks in Brazil and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-10-13 20:08 UTC: resolved
The incident has been resolved and voice calls between Twilio Phone Numbers and network subscribers on affected networks in Brazil are operating normally.

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