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        Scheduled maintenance
        System Metrics

        AT&T US SMS Carrier Maintenance

        Scheduled Maintenance Report for Twilio

        Completed

        The scheduled maintenance has been completed.
        Posted Dec 18, 2019 - 04:00 PST

        In progress

        Scheduled maintenance is currently in progress. We will provide updates as necessary.
        Posted Dec 17, 2019 - 19:00 PST

        Scheduled

        The AT&T network in the US is conducting a planned maintenance from 17 December 2019 at 19:00 PST until 18 December 2019 at 04:00 PST. During the maintenance window, there could be intermittent delays delivering SMS to and from AT&T US handsets via US shortcodes and US Toll-free numbers.
        Posted Dec 16, 2019 - 17:34 PST
        This scheduled maintenance affected: CARRIER NETWORK (SMS Short Code, North America, SMS Toll-Free, North America).