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        SMS Delivery Receipt Delays in Brazil

        Incident Report for Twilio

        Resolved

        The carrier has resolved the issue and all delivery receipts are being delivered successfully.
        Posted Apr 20, 2018 - 18:15 PDT

        Identified

        The carrier has informed us that the situation is normalizing and some delivery receipts are being properly delivered. We are continuing to monitor the issue and will update this incident once we see an improvement.
        Posted Apr 20, 2018 - 16:00 PDT

        Investigating

        The operator Claro in Brazil is currently investigating an issue processing incoming delivery responses (DLR) from SMS submissions. This issue only affects delivery responses and does not impact actual message delivery to handsets.
        Posted Apr 20, 2018 - 12:25 PDT
        This incident affected: PROGRAMMABLE MESSAGING (SMS).