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        SMS Delivery Receipts Delay to US Cellular Corp from a Subset of Short Codes

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery delays when sending messages to US Cellular Corp from a subset of short codes. This incident has been resolved.
        Posted Dec 12, 2023 - 21:35 PST

        Monitoring

        We are observing successful SMS delivery to US Cellular Corp from a subset of short codes. We will continue to monitor to ensure full service recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.
        Posted Dec 12, 2023 - 19:35 PST

        Update

        We continue to experience delays in receiving message delivery reports when sending to US Cellar Corp from a subset of short codes. Our engineers continue to work 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 Dec 12, 2023 - 15:35 PST

        Update

        We continue to experience delays in receiving message delivery reports when sending to US Cellar Corp from a subset of short codes. Our engineers continue to work 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 Dec 12, 2023 - 13:35 PST

        Investigating

        We are experiencing delays in receiving message delivery reports when sending to US Cellar Corp. 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 Dec 12, 2023 - 12:35 PST
        This incident affected: CARRIER NETWORK (SMS Long Code, North America).