# Voice Call Audio Quality Degradation from a Subset of Twilio Phone Numbers to Turkey

- Provider: [Twilio](https://down.guide/twilio)
- Level: confirmed
- Impact: Degraded
- lasted 8h 39m
- started 2026-08-17 21:26 UTC
- Voice, Europe
- eu
- id: DWN-f1e53ac4b7
- Official page: https://stspg.io/rrdnqfh1zc1j

## Updates from Twilio
### 2026-08-17 21:26 UTC: investigating
Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

### 2026-08-17 21:30 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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.

### 2026-08-17 22:30 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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.

### 2026-08-18 00:31 UTC: identified
Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in Turkey. 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.

### 2026-08-18 03:45 UTC: monitoring
We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in Turkey and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

### 2026-08-18 05:45 UTC: monitoring
We have observed a recovery in voice calls from Twilio Phone Numbers to network subscribers in Turkey and are monitoring service stability. We will provide another update in 4 hours or as soon as more information becomes available.

### 2026-08-18 06:06 UTC: resolved
The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in Turkey are operating normally.

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