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.

Current status Report incident History

Active events

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Operational

Degraded performance

Partial Outage

Major Outage

Under maintenance

Quality degradation - United States (US) - ATT Mobility (310/016;030;150;170;280;380;410;670) and T-MOBILE (310/023;024;025;026;053;120;160;200;210;220;230;240;250;260;270;310;490;530;580;660;770;800;830)

Incident Report for Telesign System

Resolved

Issue: US/CA Operator - T-MOBILE (310/023;024;025;026;053;120;160;200;210;220;230;240;250;260;270;310;490;530;580;660;770;800;830) and ATT Mobility (310/016;030;150;170;280;380;410;670) 10DLC degradation

Start Time: 8:24AM PDT - 10/28/25
End Time: 9:34AM PDT - 10/28/25

Summary:

The issue causing SMS delivery quality degradation toward United States (US) operators AT&T Mobility (310/016;030;150;170;280;380;410;670) and T-Mobile (310/023;024;025;026;053;120;160;200;210;220;230;240;250;260;270;310;490;530;580;660;770;800;830) has been resolved.

SMS messages toward these operators are now being delivered normally.

Telesign appreciates your patience and understanding during the service interruption.

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

Posted Oct 28, 2025 - 10:23 PDT

Investigating

Issue: US/CA Operator - T-MOBILE (310/023;024;025;026;053;120;160;200;210;220;230;240;250;260;270;310;490;530;580;660;770;800;830) and ATT Mobility (310/016;030;150;170;280;380;410;670) 10DLC degradation

Start Time: 8:24 AM PST - 10/28/25
End Time: Ongoing

Summary:

We currently experience 10 DLC quality degradation toward United States (US) ATT Mobility (310/016;030;150;170;280;380;410;670) and T-MOBILE (310/023;024;025;026;053;120;160;200;210;220;230;240;250;260;270;310;490;530;580;660;770;800;830).
SMS messages towards these operator(s) may face delays or difficulties in delivery.

Telesign is engaged with carrier partners for updates on resolution. We'd like to apologize for any inconvenience and appreciate your patience during this service interruption.

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

SF 01078616

Posted Oct 28, 2025 - 09:00 PDT

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