Telesign system status

Telesign system status history

This page offers API uptime information for Telesign services, in addition to incident history reports and service issues alerts.

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Quality degradation - United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) 10 DLC - 8/11/26

Incident Report for Telesign System

Resolved

Start Time: 12:45 PM PDT - 8/11/26
End Time: 1:52 PM PDT - 8/11/26

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.

Posted Aug 11, 2026 - 15:05 PDT

Identified

Date: 8/11/26
Start Time: 12:45PM PDT
End Time: Ongoing

Summary:
We currently experience quality degradation toward Country United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) for 10DLC. Customers that send SMS messages to United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) users may notice a difficulties in message delivery for 10DLC.
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.

Posted Aug 11, 2026 - 13:34 PDT

This incident affected: SMS/SMS Verify - NA & LATAM (United States).