Voice Call Failures from a Subset of Twilio Phone Numbers to Numbers in the United States

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 Sep 09, 2026 - 21:28 BST

Update

We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to Verizon network subscribers in the United States and are monitoring service stability.

We will provide another update in 4 hours or as soon as more information becomes available.
Posted Sep 09, 2026 - 21:24 BST

Monitoring

We have observed a recovery in voice calls from a subset of Twilio Phone Numbers to Verizon 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 Sep 09, 2026 - 19:22 BST

Update

Our customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to Verizon network subscribers in the United States, our team is actively investigating this issue.

We will provide another update in 2 hours or as soon as more information becomes available.
Posted Sep 09, 2026 - 18:59 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 Sep 09, 2026 - 18:53 BST
This incident affected: Twilio (Twilio Voice, North America).