SMS Delivery Delays to AT&T Network in the US for Toll-Free Numbers and a Subset of Long Codes

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to AT&T network in the US for Toll-Free Numbers and a Subset of Long codes. This incident has been resolved.

Posted Feb 20, 2023 - 11:44 PST

Monitoring

We are observing recovery in SMS delivery delays when sending messages to AT&T network in the US for Toll-Free Numbers and a Subset of Long codes. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Feb 20, 2023 - 10:35 PST

Update

We are experiencing SMS delivery delays when sending messages to AT&T network in the US for Toll-Free Numbers and a Subset of Long codes . Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Feb 20, 2023 - 09:41 PST

Investigating

Our monitoring systems have detected a potential issue with SMS delays for AT&T Toll Free Numbers. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Feb 20, 2023 - 09:32 PST

This incident affected: CARRIER NETWORK (SMS Long Code, North America, SMS Toll-Free, North America).