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        SMS Delivery Slight Increase Failures to US Cellular Corp Network in US From a Subset of Shortcode and Toll Free Numbers

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery delays when sending messages to US Cellular Corp Network. This incident has been resolved.
        Posted Aug 30, 2022 - 19:11 PDT

        Monitoring

        We are observing recovery in SMS delivery delays when sending messages to US Cellular Corp Network. 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 Aug 30, 2022 - 17:11 PDT

        Update

        We continue to experience a slight increase in SMS delivery failures when sending messages to US Cellular Corp Network from US Short code Sender IDs, Toll Free numbers and Long Codes. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
        Posted Aug 30, 2022 - 15:44 PDT

        Update

        We continue experiencing SMS delivery slight increase failures when sending messages to US Cellular Corp Network from US Short code Sender IDs, Toll Free and Long Code. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Aug 30, 2022 - 07:44 PDT

        Update

        We are still experiencing SMS delivery delays when sending messages to US Cellular Corp Network from US Short code Sender IDs. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Aug 30, 2022 - 03:37 PDT

        Investigating

        We are experiencing SMS delivery delays when sending messages to US Cellular Corp Network from US Short code Sender IDs. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 30, 2022 - 01:39 PDT
        This incident affected: CARRIER NETWORK (SMS Short Code, North America).