Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom
The incident has been resolved and voice calls between Twilio and network subscribers on affected networks in the United Kingdom are operating normally. (Affected: Voice, Europe)
Started
Nov 9, 2026, 4:34 PM UTC
Resolved
Nov 9, 2026, 9:52 PM UTC
Duration
5h 19m
Verified sources
Incident Detail
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.
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.
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.
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.
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.
The incident has been resolved and voice calls between Twilio and network subscribers on affected networks in the United Kingdom are operating normally.