SMS Delivery Delays to the AT&T Network in the US From a Subset of Short Codes

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to AT&T network over a subset of short codes in the United States. This incident has been resolved.

Posted Jul 03, 2024 - 05:41 PDT

Update

We continue to observe recovery in SMS delivery delays when sending messages to AT&T network over a subset of short codes in the United States. 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 Jul 03, 2024 - 03:43 PDT

Monitoring

We are observing recovery in SMS delivery delays when sending messages to AT&T network over a subset of short codes in the United States. 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 Jul 03, 2024 - 01:48 PDT

Update

We continue to experience SMS delivery delays to the AT&T network over a subset of short codes in the United States. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Jul 02, 2024 - 23:59 PDT

Update

We are experiencing SMS delivery delays to the AT&T network over a subset of short codes in the United States. 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 Jul 02, 2024 - 23:11 PDT

Investigating

Our monitoring systems have detected a potential issue related to SMS delivery delays. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.

Posted Jul 02, 2024 - 22:56 PDT

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