Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.
Posted Jul 21, 2026 - 15:51 BST
Monitoring
Twilio have observed a recovery in voice calls between 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 Jul 21, 2026 - 15:49 BST
Identified
Twilio customers may be experiencing voice call audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in the United Kingdom. Twilio 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.
Posted Jul 21, 2026 - 13:46 BST
Update
We are continuing to investigate this issue.
Posted Jul 21, 2026 - 11:20 BST
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 Jul 21, 2026 - 11:15 BST
This incident affected: Twilio (Twilio Voice, Europe).