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        Voice Call Failures from Twilio Phone Numbers to Core Communications United States

        Incident Report for Twilio

        Resolved

        We have completed our investigation and determined that this event did not result in any customer impact. Therefore, voice calls from Twilio Phone Numbers to network subscribers in the United States are operating normally.
        Posted Aug 03, 2026 - 09:36 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Aug 03, 2026 - 03:44 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Aug 02, 2026 - 03:40 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Aug 01, 2026 - 03:33 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Jul 31, 2026 - 03:31 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
        Posted Jul 30, 2026 - 11:30 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Jul 30, 2026 - 03:26 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Jul 29, 2026 - 23:22 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jul 29, 2026 - 21:21 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Jul 29, 2026 - 20:15 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
        Posted Jul 29, 2026 - 04:02 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Jul 28, 2026 - 19:56 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Jul 28, 2026 - 15:55 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jul 28, 2026 - 13:54 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio to Core Communications network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Jul 28, 2026 - 12:54 PDT

        Update

        Twilio customers may be experiencing voice call failures from Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
        Posted Jul 28, 2026 - 11:38 PDT

        Update

        Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Jul 28, 2026 - 03:37 PDT

        Update

        Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Jul 27, 2026 - 23:35 PDT

        Update

        Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jul 27, 2026 - 21:35 PDT

        Identified

        Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Jul 27, 2026 - 20:33 PDT

        Investigating

        Twilio customers may be experiencing voice call failures from subset of Twilio Phone Numbers to network subscribers in the United States, impacting a subset of phone numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Jul 27, 2026 - 20:13 PDT
        This incident affected: CARRIER NETWORK (Voice, North America).