Twilio - 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
Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.
Posted Nov 09, 2026 - 21:54 GMT
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.
Posted Nov 09, 2026 - 20:21 GMT
Identified
Our 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.
Posted Nov 09, 2026 - 18:23 GMT
Update
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. Twilio team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
Posted Nov 09, 2026 - 16:38 GMT
Investigating
We have detected potential service disruption through our monitoring systems and are actively investigating. A detailed assessment of the impact and affected services will be provided within the next 30 minutes.
Posted Nov 09, 2026 - 16:35 GMT
This incident affected: Twilio (Twilio Voice, Europe).