Voice Call Audio Quality Degradation from a Subset of Twilio Phone Numbers to United States

Incident Report for Twilio

Resolved

The incident has been resolved and voice calls from a subset of Twilio Phone Numbers to network subscribers in the United States are operating normally.

Posted May 14, 2026 - 22:43 PDT

Monitoring

We have observed a recovery in voice calls from a subset of Twilio United States Phone Numbers to network subscribers in the United States and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.

Posted May 14, 2026 - 20:36 PDT

Identified

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio United States Phone Numbers to network subscribers in the United States. 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.

Posted May 14, 2026 - 20:25 PDT

Investigating

Twilio customers may be experiencing voice call audio quality degradation from a subset of Twilio United States Phone Numbers to network subscribers in the United States. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted May 14, 2026 - 20:01 PDT

This incident affected: CARRIER NETWORK (Voice, North America).