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        SMS Delivery Failures to AT&T over a Subset of Long Code

        Incident Report for Twilio

        Resolved

        Between 10:40am and 12:57pm Pacific Time on 06/09/2021, Twilio observed elevated SMS delivery failures from a subset of Twilio long codes to US AT&T network. Our engineering team worked with our carrier partner to resolve the issue.
        Posted Jun 09, 2021 - 14:05 PDT
        This incident affected: CARRIER NETWORK (SMS Long Code, North America).
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