Outage in Telesign

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

Resolved Minor

December 01, 2025 - Started 5 months ago - Lasted about 1 hour
Official incident page

Incident Report

Issue: United States (US) - ATT Mobility - Quality degradation Start Time: 9:03AM PDT - 12/01/25 End Time: Ongoing Summary: We currently experience quality degradation toward United States (US) - ATT Mobility. 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.

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Latest Updates ( sorted recent to last )

RESOLVED 5 months ago - at 12/01/2025 06:02PM

Issue: United States (US) - ATT Mobility - Quality degradation

Start Time: 9:03AM PDT - 12/01/25
End Time: 9:38AM PDT - 12/01/25

We received notification that the network issues previously reported by ATT Mobility from United States (US) have been resolved. ATT Mobility. end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.

SF 01096449

INVESTIGATING 5 months ago - at 12/01/2025 05:15PM

Issue: United States (US) - ATT Mobility - Quality degradation

Start Time: 9:03AM PDT - 12/01/25
End Time: Ongoing

Summary:

We currently experience quality degradation toward United States (US) - ATT Mobility.
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.

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