SMS Delivery Failures to AT&T in US

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery failures to AT&T in US over a small subset of short codes. This incident has been resolved.

Posted Apr 05, 2022 - 12:42 PDT

Monitoring

We are observing successful SMS delivery to AT&T in US over a small subset of shortcodes. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Apr 05, 2022 - 10:39 PDT

Update

We are experiencing SMS delivery failures to AT&T in US over a small subset of short codes. Our engineers are working with our 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 05, 2022 - 10:27 PDT

Investigating

Our monitoring systems have detected a potential issue with SMS delivery failures to AT&T in US over small subset of short codes. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Apr 05, 2022 - 09:57 PDT

This incident affected: CARRIER NETWORK (SMS Short Code, North America).