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        SMS Delivery Report Delays when Sending from Registered Sender ID to China Mobile Network in China

        Incident Report for Twilio

        Resolved

        We are no longer experiencing delivery report delays when sending from registered Sender ID messages to China - China Mobile. This incident has been resolved.
        Posted Apr 21, 2021 - 21:02 PDT

        Monitoring

        We are observing recovery in delivery report delays when sending from registered Sender ID messages to China - China Mobile. 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 21, 2021 - 19:07 PDT

        Update

        We continue to experience delays in receiving message delivery reports when sending from registered Sender ID messages to China - China Mobile. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.
        Posted Apr 21, 2021 - 15:01 PDT

        Update

        We continue to experience delays in receiving message delivery reports when sending from registered Sender ID messages to China - China Mobile. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.
        Posted Apr 21, 2021 - 11:04 PDT

        Update

        We continue to experience delays in receiving message delivery reports when sending from registered Sender ID messages to China - China Mobile. 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 21, 2021 - 09:12 PDT

        Investigating

        We are experiencing delays in receiving message delivery reports when sending from registered Sender ID messages to China - China Mobile. 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 21, 2021 - 08:19 PDT
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