Operator Service Alert - Quality degradation for 10DLC - United States (US) - 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) - 3/8/26
We received notification that the network issues previously reported by United States (US) - 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) from United States (US) for 10DLC traffic have been resolved. United States (US) - 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) end users should no longer experience delays receiving SMS messages as all services are back to functioning properly.
SF 01140601
Posted Mar 08, 2026 - 14:37 PDT
Investigating
Issue: US Operator - United States (US) - 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) quality degradation for 10dlc
Date: 3/8/26 Start Time: 12:18PM PST End Time: /
Summary:
We currently experience quality degradation toward United States T-MOBILE for 10DLC traffic only. SMS messages sent with 10DLC SID 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.