SMS Delivery Delay to Unicom and China Mobile Network in China

Incident Report for Twilio

Resolved

We are no longer experiencing SMS delivery delays when sending messages to Unicom and China Mobile network in China over Pre-Registered Template. This incident has been resolved.

Posted May 27, 2021 - 07:08 PDT

Monitoring

We are observing recovery in SMS delivery delays when sending messages to Unicom and China Mobile network in China over Pre-Registered Template. 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 May 27, 2021 - 04:58 PDT

Update

We continue to experience SMS delivery delays when sending messages to Unicom and China Mobile network in China over Pre-Registered Template. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.

Posted May 27, 2021 - 01:03 PDT

Update

We continue to experience SMS delivery delays when sending messages to Unicom and China Mobile network in China over Pre-Registered Template. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.

Posted May 26, 2021 - 23:11 PDT

Investigating

We are experiencing SMS delivery delays when sending messages to Unicom and China Mobile network in China over Pre-Registered Template. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.

Posted May 26, 2021 - 22:11 PDT

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