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        Short code SMS Delivery Delays to Sprint, US

        Incident Report for Twilio

        Resolved

        This incident has been resolved.
        Posted Nov 08, 2018 - 05:49 PST

        Update

        We are currently observing recovery for short code SMS delivery delays to Sprint. There may however be further intermittent disruptions during the maintenance window which ends at 05:00 PDT / 13:00 UTC. We will continue to monitor for the duration of the maintenance window and provide updates if the situation changes.
        Posted Nov 08, 2018 - 03:07 PST

        Update

        We are observing further delays in delivery of inbound and outbound short code SMS to and from the Sprint network in the US as a result of the Sprint platform maintenance. We will provide an update when we have further information
        Posted Nov 08, 2018 - 02:45 PST

        Monitoring

        We are currently observing full recovery for short code SMS delivery delays for Sprint. There may however be further intermittent disruptions during the maintenance window. We will continue to monitor and provide updates if the situation changes.
        Posted Nov 08, 2018 - 00:36 PST

        Identified

        Sprint is currently conducting maintenance on their SMS platform. The maintenance window is between 23:00 - 05:00 PDT (07:00 - 13:00 UTC). During this period, SMS to and and from Sprint devices may be delayed.
        Posted Nov 08, 2018 - 00:07 PST

        Investigating

        We are observing delays in delivery of inbound and outbound short code SMS to and from the Sprint network in the US. SMS sent from long codes to the Sprint network are unaffected. We are actively working with our carrier partner to resolve the issue and will provide an update when we have further information.
        Posted Nov 07, 2018 - 23:43 PST
        This incident affected: CARRIER NETWORK (SMS Short Code, North America).