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        SMS Delivery Delays to Telefonica O2 in Germany via Pre-Registered Sender ID

        Incident Report for Twilio

        Resolved

        We have fully investigated the SMS delivery delays when sending messages to Telefonica O2 network in Germany, and it was determined that the impact was limited to a small set of customers, who have been contacted individually to address any concerns. All systems are operational.
        Posted Jun 28, 2025 - 08:48 PDT

        Update

        We are experiencing SMS delivery delays when sending messages to Telefonica O2 in Germany via Pre-Registered Sender ID. Our engineers are working with our carrier partner to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Jun 28, 2025 - 06:43 PDT

        Investigating

        We are experiencing SMS delivery delays when sending messages to Telefonica O2 network in Germany. Our engineers are 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 Jun 28, 2025 - 05:43 PDT
        This incident affected: CARRIER NETWORK (SMS, Europe).