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

> Twilio status incident “Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom” on 2026-11-09: impact minor (vendor’s label), 5.3 h, 6 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/jlw5t054g7jt
Last updated: 2026-11-09T21:53:49Z

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-11-09 16:34 UTC · Resolved: 2026-11-09 21:52 UTC · Duration: 5.3 h
- Updates: 6 · Affected components: CARRIER NETWORK - Voice, Europe, Voice, Europe
- [Vendor status page: https://status.twilio.com/incidents/jlw5t054g7jt](https://status.twilio.com/incidents/jlw5t054g7jt)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **investigating** 2026-11-09 16:34 UTC: 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.
- **identified** 2026-11-09 16:46 UTC: 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.
- **identified** 2026-11-09 17:47 UTC: 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.
- **identified** 2026-11-09 19:50 UTC: 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.
- **monitoring** 2026-11-09 19:51 UTC: 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.
- **resolved** 2026-11-09 21:52 UTC: The incident has been resolved and voice calls between Twilio and network subscribers on affected networks in the United Kingdom are operating normally.

## Rewindex changes for this incident

- 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](https://rewindex.com/change/rc4e8061154823d.md)
- 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)
- 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)
- 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)

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2026-11-09 16:34 UTC, resolved after 5.3 h, 6 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/twilio/incidents/jlw5t054g7jt
- Citation: Twilio, “Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom” (2026-11-09 16:34 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/jlw5t054g7jt (CC BY 4.0).
- Markdown link: `[Twilio: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom (2026-11-09)](https://rewindex.com/company/twilio/incidents/jlw5t054g7jt)`


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Canonical: https://rewindex.com/company/twilio/incidents/jlw5t054g7jt · Markdown: https://rewindex.com/company/twilio/incidents/jlw5t054g7jt.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/jlw5t054g7jt · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-11T04:24:59.801Z