SMS Delivery Failures to AT&T Network in the US from a Subset of Longcodes


Incident resolved in 5h30m4s

Resolved

We are no longer experiencing SMS delivery failures to the AT&T Network in the US from a subset of long codes. This incident has been resolved.

1729645063

Update

We are observing successful SMS delivery to the AT&T Network in the US from a subset of long codes. 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.

1729637912

Investigating

We are continuing our investigation and are updating the affected component to 'Carrier Network - SMS Long Code, North America' in order to match the description of the issue. The affected component was incorrectly listed previously as 'Carrier Network - MMS Long Code, North America'. We apologize for any confusion this caused. We expect to provide another update in 4 hours or as soon as more information becomes available.

1729636184

Investigating

We are continuing our investigation and are updating the affected component to 'Carrier Network - SMS Long Code, North America' in order to match the description of the issue. The affected component was incorrectly listed previously as 'Carrier Network - MMS Long Code, North America'. We apologize for any confusion this caused. We expect to provide another update in 4 hours or as soon as more information becomes available.

1729636149

Investigating

We continue to investigate the issue causing SMS delivery failures to the AT&T Network in the US from a subset of long codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

1729628825

Investigating

This incident causing SMS Delivery Failures to AT&T Network in the US from a Subset of Longcodes was prematurely resolved in one of our previous posts. Please refer to https://status.twilio.com/incidents/wzjmpthblxjp for previous updates. We continue to investigate the issue causing SMS delivery failures to the AT&T Network in the US from a subset of long 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.

We apologize for the inconvenience and for any confusion this may have caused

1729625259