Quality degradation - China (CN) - China Unicom (460/01;06;09) - 10/14/25

Date: 10/14/25
Start Time: 8:49 PDT
End Time: 11:35 PDT

Summary:

The issue affecting SMS message delivery to China (CN), specifically to China Unicom (460/01;06;09) users, has been successfully resolved.

Our teams have identified and addressed the root cause of the quality degradation, and normal delivery performance has been restored.

We apologize for any inconvenience this may have caused and appreciate your patience during the resolution process.

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

Date: 10/14/25
Start Time: 8:49 PDT
End Time: Ongoing

Summary:
We currently experience quality degradation toward China (CN). Customers that send SMS messages to China Unicom (460/01;06;09) users may notice a difficulties in message delivery.
Our competent teams are working on solving this issue.

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.