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      SMS Delivery Failures to AT&T Network in the US from a Subset of Longcodes
      Incident Report for Twilio
      Resolved
      The issue affecting SMS delivery to the AT&T Network in the US from a subset of longcodes has been resolved, and the service is functioning normally at this time.
      Posted Oct 22, 2024 - 07:24 PDT
      Update
      We continue to investigate the issue causing SMS delivery failures to the AT&T Network in the US from a subset of long codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 16 hours or as soon as more information becomes available.
      Posted Oct 22, 2024 - 05:13 PDT
      Update
      We continue to investigate the issue causing SMS delivery failures to the AT&T Network in the US from a subset of longcodes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.
      Posted Oct 21, 2024 - 21:22 PDT
      Update
      We continue to investigate the issue causing SMS delivery failures to the AT&T Network in the US from a subset of longcodes. Our engineers are working 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 Oct 21, 2024 - 17:24 PDT
      Update
      We continue to investigate the issue causing SMS delivery failures to the AT&T Network in the US from a subset of longcodes. Our engineers are working 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 Oct 21, 2024 - 15:24 PDT
      Update
      We are experiencing SMS delivery failures to the AT&T Network in the US from a subset of longcodes. 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 Oct 21, 2024 - 14:24 PDT
      Investigating
      Our monitoring systems have detected a potential issue with SMS delivery in the US. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
      Posted Oct 21, 2024 - 14:17 PDT
      This incident affected: CARRIER NETWORK (SMS Long Code, North America).
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