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        SMS Delivery Failures from Twilio to Viettel Viet Nam

        Incident Report for Twilio

        Resolved

        We are no longer experiencing SMS delivery failures from Twilio to Viettel network subscribers in Viet Nam. This incident is now resolved.
        Posted Mar 26, 2026 - 07:38 PDT

        Monitoring

        We have observed a recovery in SMS delivery from Twilio to Viettel network subscribers in Vietnam and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Mar 26, 2026 - 05:41 PDT

        Update

        Twilio customers may be experiencing SMS delivery failures from Twilio to Viettel network subscribers in Viet Nam. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Mar 26, 2026 - 03:25 PDT

        Investigating

        Twilio customers may be experiencing SMS delivery failures from Twilio to Viettel network subscribers in Viet Nam. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Mar 26, 2026 - 02:24 PDT
        This incident affected: CARRIER NETWORK (SMS, APAC).