Twilio: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom
Affected components: CARRIER NETWORK - Voice, EuropeVoice, Europe
Timeline of updates
- 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.
- 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.
- 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.
- 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.
- 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.
- resolved
The incident has been resolved and voice calls between Twilio and network subscribers on affected networks in the United Kingdom are operating normally.
Changes Rewindex caught on this incident
- 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 Twilio and Multiple Networks in United Kingdom
- Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom
- Incident updated: Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-11-09 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
94df177e53508a58…Version 2 captured
In the 2026-11-09 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
a23b3bb951dc1d97…Version 3 captured
In the 2026-11-09 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
1a5358b17aab902b…Version 4 captured
In the 2026-11-09 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
81c7327d77d52a66…Version 5 captured
In the 2026-11-09 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
f8db7d8f2d4fbb37…
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).
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.
- Title
- Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/jlw5t054g7jt
Twilio profileRecent Twilio incidentsAll outages on November 9, 2026Twilio in November 2026MarkdownJSON