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        Voice Call Failures and Audio Quality Degradation Between a Subset of Twilio Hong Kong Phone Numbers and Multiple Networks in Hong Kong

        Incident Report for Twilio

        Resolved

        The incident has been resolved and voice calls between a subset of Twilio Hong Kong Phone Numbers and network subscribers on affected networks in Hong Kong are operating normally.
        Posted Aug 31, 2026 - 07:35 PDT

        Monitoring

        We have observed a recovery in voice calls between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong and are monitoring service stability. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Aug 31, 2026 - 00:55 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Aug 30, 2026 - 15:59 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 24 hours or as soon as more information becomes available.
        Posted Aug 29, 2026 - 15:59 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 16 hours or as soon as more information becomes available.
        Posted Aug 28, 2026 - 23:53 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Hong Kong Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 8 hours or as soon as more information becomes available.
        Posted Aug 28, 2026 - 15:48 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Hong Kong Phone Numbers and network subscribers on multiple networks in Hong Kong. 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 28, 2026 - 11:47 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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 28, 2026 - 09:47 PDT

        Identified

        Twilio customers may be experiencing voice call failures and audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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 28, 2026 - 08:47 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team is actively investigating this issue. We will provide another update in 4 hours or as soon as more information becomes available.
        Posted Aug 28, 2026 - 06:39 PDT

        Update

        Twilio customers may be experiencing voice call failures and audio quality degradation between Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.
        Posted Aug 28, 2026 - 04:33 PDT

        Investigating

        Twilio customers may be experiencing voice call failures and audio quality degradation between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Hong Kong. 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 28, 2026 - 03:33 PDT
        This incident affected: CARRIER NETWORK (Voice, APAC).