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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Carrier Partner Planned Maintenance - United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) - 12/03/25

Scheduled Maintenance Report for Telesign System

Completed

The scheduled maintenance has been cancelled.

Posted Dec 03, 2025 - 10:46 PST

Scheduled

Issue: Planned Maintenance - United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670)

Start Time: 8:00 PM PST - 12/03/25
End Time: 4:00AM PST - 12/04/25

Summary:

We received notification that the SMS carrier partner from United States (US) will perform planned maintenance on the date and time specified above.

During this time period, customers with DSC, DLC that send SMS messages to ATT Mobility (310/016;030;150;170;280;380;410;670) users may experience a temporary delay in message delivery, so we kindly ask that you plan accordingly.

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

SF 01096590

Posted Dec 01, 2025 - 14:12 PST

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