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

        Voice Call Failures, Post Dial Delay, and Silent and One-Way Audio Between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil

        Incident Report for Twilio

        Resolved

        The incident has been resolved and voice calls between a subset of Twilio Phone Numbers and network subscribers on affected networks in Brazil are operating normally.
        Posted Aug 25, 2026 - 01:28 PDT

        Monitoring

        We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 24, 2026 - 23:30 PDT

        Update

        Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Aug 24, 2026 - 21:12 PDT

        Update

        Our team has resolved the voice call failures and post dial delay (PDD) from Twilio phone numbers to Brazil network subscribers, restoring this service to normal operations. However, we are still investigating silent and one-way audio issues for calls from Brazil network subscribers to a subset of Twilio Phone Numbers. Our engineers are actively working to identify the root cause and resolve this remaining audio issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Aug 24, 2026 - 19:11 PDT

        Update

        Our team has resolved the voice call failures and post dial delay (PDD) from Twilio phone numbers to Brazil network subscribers, restoring this service to normal operations. However, we are still investigating silent and one-way audio issues for calls from Brazil network subscribers to a subset of Twilio Phone Numbers. Our engineers are actively working to identify the root cause and resolve this remaining audio issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 24, 2026 - 18:11 PDT

        Update

        Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Aug 24, 2026 - 18:03 PDT

        Update

        Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 24, 2026 - 15:57 PDT

        Update

        Twilio customers may be experiencing voice call failures, post dial delay, and silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 24, 2026 - 14:57 PDT

        Update

        Twilio customers may be experiencing voice call silent and one-way audio between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Brazil. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 24, 2026 - 14:37 PDT

        Identified

        Twilio customers may be experiencing voice call silent and one-way audio from network subscribers in Brazil to Twilio Phone Numbers. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 24, 2026 - 14:20 PDT

        Investigating

        Twilio customers may be experiencing voice call silent and one-way audio from network subscribers in Brazil to Twilio Brazil Phone Numbers. Our team is actively investigating this issue. We will provide another update in 1 hour or as soon as more information becomes available.
        Posted Aug 24, 2026 - 14:06 PDT
        This incident affected: CARRIER NETWORK (Voice, Latin America).