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        SMS Garbled Messages From Subset Verizon Numbers to Twilio Toll-Free Numbers

        Incident Report for Twilio

        Resolved

        We are no longer experiencing issues with Verizon US subscribers messages. This incident has been resolved.
        Posted Jan 26, 2024 - 11:17 PST

        Monitoring

        We are seeing recovery in Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. 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 Jan 26, 2024 - 09:23 PST

        Update

        We continue to experience issues with a subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still working with our carrier partner to deploy the fix. Next update will be provided on 01/27/2024 at 7:00 PT or as soon as more information becomes available.
        Posted Jan 26, 2024 - 07:39 PST

        Identified

        We continue to experience issues with a subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still working with our carrier partner to deploy the fix. Next update will be provided on January 26th at 7:00 PT or as soon as more information becomes available.
        Posted Jan 22, 2024 - 07:00 PST

        Update

        We continue to experience issues with a subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Jan 21, 2024 - 16:29 PST

        Update

        We continue to experience issues with a subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Jan 20, 2024 - 16:29 PST

        Update

        We continue to experience issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Jan 19, 2024 - 16:40 PST

        Update

        We continue to experience issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still working with our carrier partner to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Jan 18, 2024 - 16:46 PST

        Update

        We continue to experience issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineers are still 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 Jan 18, 2024 - 00:47 PST

        Update

        We continue to experience issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. 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 Jan 17, 2024 - 16:53 PST

        Update

        We continue to experience issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. 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 Jan 17, 2024 - 13:04 PST

        Update

        Our engineering team is continuing to investigate this issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jan 17, 2024 - 11:21 PST

        Update

        We are continuing to investigate this issue.
        Posted Jan 17, 2024 - 10:25 PST

        Update

        We are continuing to investigate this issue.
        Posted Jan 17, 2024 - 10:22 PST

        Update

        Our monitoring systems have detected a potential issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineering team has been alerted and is actively investigating. We expect to provide another update in 8 hours or as soon as more information becomes available.
        Posted Jan 17, 2024 - 03:29 PST

        Update

        Our monitoring systems have detected a potential issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineering team has been alerted and is actively investigating. We expect to provide another update in 4 hours or as soon as more information becomes available.
        Posted Jan 16, 2024 - 23:40 PST

        Update

        Our monitoring systems have detected a potential issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineering team has been alerted and is actively investigating. We expect to provide another update in 2 hours or as soon as more information becomes available.
        Posted Jan 16, 2024 - 21:40 PST

        Update

        Our monitoring systems have detected a potential issue with subset of Verizon US subscribers sending messages containing non-ASCII characters to Twilio Toll-Free numbers. Our engineering team has been alerted and is actively investigating. We expect to provide another update in one hour or as soon as more information becomes available.
        Posted Jan 16, 2024 - 20:40 PST

        Investigating

        We've become aware of a potential issue with programmable SMS messaging. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
        Posted Jan 16, 2024 - 20:20 PST
        This incident affected: CARRIER NETWORK (SMS Toll-Free, North America).