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        SMS Delivery Failures to CTBC Cellular SA Network in Brazil

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. This incident has been resolved.
        Posted May 06, 2024 - 17:38 PDT

        Monitoring

        We are observing successful SMS delivery to the CTBC Cellular SA network in Brazil over a subset of short codes. 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 May 06, 2024 - 15:38 PDT

        Update

        We are still experiencing SMS delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
        Posted May 06, 2024 - 00:07 PDT

        Update

        We are still experiencing SMS delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
        Posted May 05, 2024 - 00:09 PDT

        Update

        We are still experiencing SMS delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
        Posted May 04, 2024 - 00:31 PDT

        Update

        We are still experiencing SMS Delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
        Posted May 03, 2024 - 00:34 PDT

        Update

        We are still experiencing SMS Delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
        Posted May 02, 2024 - 00:34 PDT

        Update

        We are still experiencing SMS Delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.
        Posted May 01, 2024 - 00:34 PDT

        Update

        We are still experiencing SMS Delivery failures to the CTBC Cellular SA network in Brazil over a subset of short codes. Our engineers are working with our carrier partner to resolve the issue. We expect to provide another update in 16 hours or as soon as more information becomes available.
        Posted Apr 30, 2024 - 08:34 PDT

        Update

        We still continue to experience SMS Delivery failures to the CTBC Cellular SA Network in Brazil over a subset of short codes. 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 Apr 30, 2024 - 00:39 PDT

        Update

        We still continue to experience SMS Delivery failures to the CTBC Cellular SA Network in Brazil over a subset of short codes. 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 Apr 29, 2024 - 20:33 PDT

        Update

        We are continuing to experience SMS Delivery failures to the CTBC Cellular SA Network in Brazil over a subset of short codes. 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 Apr 29, 2024 - 18:33 PDT

        Update

        We are experiencing SMS Delivery failures to the CTBC Cellular SA Network in Brazil over a subset of short codes. 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 Apr 29, 2024 - 17:33 PDT

        Investigating

        Our monitoring systems have detected a potential issue with SMS Delivery failures to the CTBC Cellular SA Network in Brazil over a subset of short codes. Our engineering team has been alerted and is actively investigating. We will update as soon as we have more information.
        Posted Apr 29, 2024 - 17:31 PDT
        This incident affected: CARRIER NETWORK (SMS, Latin America).
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