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        Early Media RingTone missing on calls to T-Mobile in the United States

        Incident Report for Twilio

        Resolved

        The issue affecting early media ringtone for calls to T-Mobile numbers in the United States has been resolved.
        Posted Oct 03, 2025 - 17:50 PDT

        Update

        Early media ringtone for calls to T-Mobile numbers in the United States now operating normally. We will continue to monitor for system stability. We'll provide another update in 2 hours or as soon as more information becomes available.
        Posted Oct 03, 2025 - 17:44 PDT

        Update

        Early media ringtone for calls to T-Mobile numbers in the United States now operating normally. We will continue to monitor for system stability. We'll provide another update in 2 hours or as soon as more information becomes available.
        Posted Oct 03, 2025 - 15:44 PDT

        Monitoring

        Early media ringtone for calls to T-Mobile numbers in the United States 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 Oct 03, 2025 - 15:14 PDT

        Update

        We are investigating an issue impacting early media ringtone for calls to T-Mobile numbers in the United States. Our engineers are actively working with our carrier partner to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Oct 03, 2025 - 14:50 PDT

        Update

        We are continuing to investigate this issue.
        Posted Oct 03, 2025 - 14:12 PDT

        Investigating

        Our monitoring systems have detected a potential issue impacting early media ringtone for calls routing via T-Mobile. Our engineering team has been alerted and is actively investigating. We will provide updates as soon as more information is available.
        Posted Oct 03, 2025 - 13:58 PDT
        This incident affected: CARRIER NETWORK (Voice, North America).