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        SMS Delivery Failures to and from the IUSACell/UneFon Network in Mexico

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery failures to IUSACell/UneFon Network in Mexico. This incident has been resolved.
        Posted Jan 13, 2024 - 14:06 PST

        Update

        We are observing successful SMS delivery to and from IUSACell/UneFon Network in Mexico. 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 13, 2024 - 12:07 PST

        Monitoring

        We are observing successful SMS delivery to and from IUSACell/UneFon Network in Mexico. We will continue to monitor to ensure full service recovery. We expect to provide another update in 30 min or as soon as more information becomes available.
        Posted Jan 13, 2024 - 11:39 PST

        Update

        We keep experiencing outbound and inbound SMS delivery failures when sending messages to the IUSACell/UneFon Network in Mexico. 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 Jan 13, 2024 - 08:14 PST

        Update

        We keep experiencing outbound SMS delivery failures when sending messages to the IUSACell/UneFon Network in Mexico. 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 Jan 13, 2024 - 06:26 PST

        Update

        We continue to experience outbound SMS delivery failures when sending messages to the IUSACell/UneFon Network in Mexico. 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 Jan 13, 2024 - 05:27 PST

        Update

        We are experiencing outbound SMS delivery failures when sending messages to the IUSACell/UneFon Network in Mexico. 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 Jan 13, 2024 - 04:39 PST

        Investigating

        Our monitoring systems have detected a potential issue with message delivery failures to IUSACell/UneFon Network in Mexico. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
        Posted Jan 13, 2024 - 04:27 PST
        This incident affected: CARRIER NETWORK (SMS, Latin America).