# Twilio: Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland

> Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland. Detected 2026-11-09 by Rewindex: what changed on Twilio’s status page, with the before/after di

Canonical: https://rewindex.com/change/rc4e8061154823d
Last updated: 2026-11-09T16:53:48Z

**Summary:** _summary pending_
- Kind: Incident update · Label: Normal progress (typesafe/jev-1.13-20260917)
- Changed: 2026-11-09 16:53 UTC · Detected: 2026-11-09 16:53 UTC
- [Source: https://status.twilio.com/incidents/jlw5t054g7jt](https://status.twilio.com/incidents/jlw5t054g7jt)
- [Company: Twilio](https://rewindex.com/company/twilio.md)
- Versions: before incident\_version:125/jlw5t054g7jt@788a1cd2c5de → after incident\_version:125/jlw5t054g7jt@01ff63b9a867
- Change 1 of 4 for this incident

Incident page (full timeline): [Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland](https://rewindex.com/company/twilio/incidents/jlw5t054g7jt.md)
## What changed

**1. Changed: Title**

```diff
- Voice Call Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland
+ Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland
```

**2. Changed: Status**

```diff
- investigating
+ identified
```

**3. Added: Update** (identified) · 2026-11-09 16:46 UTC

```diff
+ 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.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-11-09 16:53 UTC | Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland (this change) | Normal progress |
| 2026-11-09 17:53 UTC | [Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom](https://rewindex.com/change/r67a490bce9fad4.md) | Normal progress |
| 2026-11-09 19:54 UTC | [Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom](https://rewindex.com/change/r586b6d3c4d8b68.md) | Normal progress |
| 2026-11-09 21:53 UTC | [Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom](https://rewindex.com/change/r490019065e888b.md) | Normal progress |

Next: [change](https://rewindex.com/change/r67a490bce9fad4.md) · All Twilio changes: [timeline](https://rewindex.com/company/twilio/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._

## Cite this

Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland on Twilio’s status page, changed 2026-11-09 16:53 UTC (change 1 of 4).

- Canonical URL: https://rewindex.com/change/rc4e8061154823d
- Citation: Twilio, “Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland” (2026-11-09 16:53 UTC). Archived by Rewindex: https://rewindex.com/change/rc4e8061154823d (CC BY 4.0).
- Markdown link: `[Twilio: Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in the United Kingdom of Great Britain and Northern Ireland (2026-11-09)](https://rewindex.com/change/rc4e8061154823d)`


---
Canonical: https://rewindex.com/change/rc4e8061154823d · Markdown: https://rewindex.com/change/rc4e8061154823d.md · JSON: https://rewindex.com/api/v1/changes/rc4e8061154823d · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-11T04:21:03.745Z