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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

        SMS Delivery Receipts missing on a small percentage of messages

        Incident Report for Twilio

        Resolved

        All systems are operating normally at this time.
        Posted Apr 19, 2017 - 21:22 PDT

        Identified

        We have escalated to the impacted carriers and their engineers are investigating.
        Posted Apr 19, 2017 - 17:16 PDT

        Investigating

        We are experiencing elevated rates of Sprint and AT&T SMS messages missing Delivery Receipts.
        Posted Apr 19, 2017 - 16:21 PDT
        This incident affected: TWILIO PLATFORM (Customer Support Center) and PROGRAMMABLE MESSAGING (SMS).
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