Twilio Services
Issues related to Twilio’s Software
    External Connectivity
    Issues found outside of Twilio’s Network
      Zipwhip Gateway
      Issues related to Zipwhip's Services
        Scheduled maintenance
        System Metrics

        Stir Shaken Sign Failures at CMG

        Incident Report for Twilio

        Resolved

        The incident causing an issue where some outbound calls would not be signed and would not include a SHAKEN passport as per STIR/SHAKEN guidelines has been resolved.
        Posted Nov 10, 2025 - 13:56 PST

        Monitoring

        An issue where some outbound calls would not be signed and would not include a SHAKEN passport as per STIR/SHAKEN guidelines is now operating normally. We will continue to monitor for system stability. We'll provide another update in 30 minutes or as soon as more information becomes available.
        Posted Nov 10, 2025 - 13:22 PST

        Investigating

        Our monitoring systems have detected a potential issue with Stir Shaken Sign Failures at CMG. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
        Posted Nov 10, 2025 - 12:51 PST
        This incident affected: PROGRAMMABLE VOICE (PSTN).