# Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom

- Provider: [Twilio](https://down.guide/providers/twilio)
- Confidence: Confirmed
- Impact: Degraded
- lasted 5h 19m
- started 2026-11-09 16:34 UTC
- Voice, Europe
- eu
- id: DWN-91ebdc2c12
- Official page: https://stspg.io/2rrsyptxpyqb

## Updates from Twilio
### 2026-11-09 16:34 UTC: investigating
Twilio customers may be experiencing voice call silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom of Great Britain and Northern Ireland. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-11-09 16:46 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation, silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom of Great Britain and Northern Ireland. 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.

### 2026-11-09 17:47 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation, silent and one-way audio between Twilio and network subscribers on multiple networks in the United Kingdom. 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.

### 2026-11-09 19:50 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation and silent and one-way audio between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. 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.

### 2026-11-09 19:51 UTC: monitoring
We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-11-09 21:52 UTC: resolved
The incident has been resolved and voice calls between Twilio and network subscribers on affected networks in the United Kingdom are operating normally.

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