Outage in Telesign

2-Way service interruptions China (CN) - China Mobile (460/00;02;07;28;04;08)

Resolved Minor

March 21, 2026 - Started about 23 hours ago - Lasted 24 minutes
Official incident page

Incident Report

Summary AI Generated

Telesign experienced a 2-Way SMS delivery outage affecting China Mobile networks (460/00;02;07;28;04;08) from 8:30 PM to 9:08 PM PDT on March 21, 2026. The incident impacted all DLC and DSC services for approximately 38 minutes before being resolved and normal SMS functionality was restored.

Start Time: 08:30 PM PDT - 03/21/26 End Time: Ongoing We are currently experiencing issues with 2-Way SMS delivery toward China (CN) - China Mobile (460/00;02;07;28;04;08) . Please note that all DLC and DSC are impacted. Our team is investigating this issue and we will inform you once we come to a resolution. SF 01147098

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Latest Updates ( sorted recent to last )

RESOLVED about 23 hours ago - at 03/22/2026 04:09AM

Start Time: 08:30 PM PDT - 03/21/26
End Time: 09:08 PM PDT - 03/21/26
Previously reported issues with 2-Way SMS delivery toward China (CN) - China Mobile (460/00;02;07;28;04;08) have been resolved. End users should no longer experience any issues as all services are back to functioning properly.

We apologize for any inconvenience this issue may have caused. If you have additional questions, please feel free to contact support@telesign.com.

SF 01147098

INVESTIGATING about 23 hours ago - at 03/22/2026 03:46AM

Start Time: 08:30 PM PDT - 03/21/26
End Time: Ongoing

We are currently experiencing issues with 2-Way SMS delivery toward China (CN) - China Mobile (460/00;02;07;28;04;08) .
Please note that all DLC and DSC are impacted.
Our team is investigating this issue and we will inform you once we come to a resolution.

SF 01147098

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