Twilio - Voice Call Audio Quality Degradation From a Subset of Twilio Phone Numbers to Multiple Countries in Europe

Incident Report for Ciptex

Resolved

Following comprehensive monitoring, we can confirm that the incident has been fully resolved and all services have returned to normal operation.
Posted Aug 11, 2026 - 23:17 BST

Monitoring

Twilio have observed a recovery in voice calls from a subset of Twilio Phone Numbers to network subscribers in multiple countries in Europe and are monitoring service stability.

We will provide another update in 2 hours or as soon as more information becomes available.
Posted Aug 11, 2026 - 21:13 BST

Update

Our customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in multiple countries in Europe. The Twilio team is actively investigating this issue.

We will provide another update in 4 hours or as soon as more information becomes available.
Posted Aug 11, 2026 - 17:18 BST

Update

Our customers may be experiencing voice call audio quality degradation from a subset of Twilio Phone Numbers to network subscribers in multiple countries in Europe. The Twilio team is actively investigating this issue.

We will provide another update in 2 hours or as soon as more information becomes available.
Posted Aug 11, 2026 - 15:11 BST

Update

Our customers may be experiencing voice call audio quality degradation from Twilio Phone Numbers to network subscribers in multiple countries in Europe. The Twilio team is actively investigating this issue.

We will provide another update in 1 hour or as soon as more information becomes available.
Posted Aug 11, 2026 - 14:15 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 Aug 11, 2026 - 14:13 BST
This incident affected: Twilio (Twilio Voice, Europe).