Report an Incident

Twilio Services

Issues related to Twilio’s Software

External Connectivity

Issues found outside of Twilio’s Network

Zipwhip Gateway

Issues related to Zipwhip's Services

Scheduled maintenance

System Metrics

Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom

Incident Report for Twilio

Resolved

We are no longer experiencing SMS Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. This incident has been resolved.

Posted Apr 01, 2021 - 20:02 PDT

Monitoring

We are observing recovery in Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. We will continue monitoring the service to ensure a full recovery. We will provide another update in 2 hours or as soon as more information becomes available.

Posted Apr 01, 2021 - 19:10 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Apr 01, 2021 - 17:09 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

Posted Apr 01, 2021 - 15:17 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 13:03 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 11:02 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 10:03 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 09:01 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 08:03 PDT

Update

We continue to experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 07:05 PDT

Investigating

We are experiencing Message Delivery Failures of Pre-registered Messages to China, China Mobile and China Unicom. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

Posted Apr 01, 2021 - 06:06 PDT

This incident affected: CARRIER NETWORK (SMS, APAC).