SMS Delivery Report Failures when sending to US AT&T Network on Twilio Toll-free Numbers

Incident Report for Ciptex

Resolved

Twilio are no longer experiencing delivery report failures when sending to US AT&T network on Twilio toll-free and short code numbers. This incident has been resolved.

Posted Apr 08, 2024 - 23:44 BST

Monitoring

Twilio is observing recovery in delivery report failures when sending to US AT&T network in twilio toll-free. We will provide an update in 2 hours or as soon as more information becomes available.

Posted Apr 08, 2024 - 22:06 BST

Investigating

Twilio is experiencing failures in receiving message delivery reports when sending to US AT&T network on Twilio toll-free numbers. Twilio engineers are working with their carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 08, 2024 - 20:27 BST

This incident affected: Twilio (Twilio SMS).