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

Incident Report for Twilio

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 affects: CARRIER NETWORK (Voice, APAC).