Delayed delivery of 10DLC SMS messages to AT&T destinations

The incident has been resolved, and SMS and MMS delivery to and from AT&T subscribers in the United States is operating normally.

We will continue to monitor the service to ensure stability.

We have observed a recovery in SMS delivery to AT&T subscribers in the United States and are currently monitoring service stability.

Message traffic is processing normally, and we will continue to monitor the service to ensure the recovery remains stable.

We will provide further updates as more information becomes available.

Current Status:
The issue has been identified, and our downstream provider is actively working to resolve it.

Impact:
Customers may continue to experience delays or delivery failures when sending 10DLC SMS messages to AT&T subscribers in the United States. Messages may be accepted successfully but delivered later than expected.

We are continuing to monitor the situation and will provide further updates as more information becomes available.

We are investigating delays in the delivery of SMS messages sent over 10DLC long code numbers to AT&T subscribers, beginning October 6 at approximately 15:00 UTC.

Messages are being accepted successfully but may be delivered to AT&T handsets later than expected. Messages sent to subscribers on other carriers are not affected.

Our team is working with our downstream partner and AT&T to identify the cause and restore normal message processing.

We will provide further updates as more information becomes available.