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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Operator Service Alert - Planned Maintenance - ATT Mobility (310/016;030;150;170;280;380;410;670) - 02/18/26

Scheduled for Feb 18, 10:00 - 16:00 PST

Scheduled

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

Date: 02/18/26
Start Time: 10:00 PM PST at 02/18/26
End Time: 04:00 AM PST at 02/19/26

Summary:
We have received notification that US Operator ATT Mobility (310/016;030;150;170;280;380;410;670) will perform planned maintenance on the date and time specified above. During this time period, customers with Dedicated Short Codes 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. ATT Mobility (310/016;030;150;170;280;380;410;670) operator maintenance will not affect other US operators.

On behalf of the operator, 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 Feb 12, 2026 - 13:08 PST

This scheduled maintenance affects: SMS/SMS Verify - NA & LATAM (NA & LATAM - All countries, United States).