Operator Service Alert - 10DLC Quality degradation - United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) - [08/04/25]

Date:08/04/25
Start Time: 12:46 PM (PST)
End Time: 14: 26 PM PST

We received notification that the network issues previously reported by ATT Mobility (310/016;030;150;170;280;380;410;670) from United States (US) have been resolved. ATT Mobility (310/016;030;150;170;280;380;410;670) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

On behalf of the Operator, we apologize for any inconvenience this issue may have caused. If you have additional questions, please feel free to contact support@telesign.com.

Issue: 10 DLC - United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) Quality degradation

Date: 08/04/25
Start Time: 12:46 PM (PST)
End Time: Ongoing

Summary:
We currently experience quality degradation toward US ATT Mobility (310/016;030;150;170;280;380;410;670). Customers that send SMS messages to ATT Mobility (310/016;030;150;170;280;380;410;670) users may notice a difficulties in message delivery.
Our competent teams are working on solving this issue.

We'd like to apologize for any inconvenience and appreciate your patience during this service window.

If you have any questions, please contact us at support@telesign.com.