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minor✓ Resolved

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

TwilioFri, Aug 28, 2026, 10:33 AM
Status
resolved
Duration
3d 4h
Updates
11
Coverage
0 articles

INCIDENT TIMELINE

✓ ResolvedMon, Aug 31, 2026, 02:35 PM
This incident has been resolved.
monitoringMon, Aug 31, 2026, 07:55 AM
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.
identifiedSun, Aug 30, 2026, 10:59 PM
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.
identifiedSat, Aug 29, 2026, 10:59 PM
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.
identifiedSat, Aug 29, 2026, 06:53 AM
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.
identifiedFri, Aug 28, 2026, 10:48 PM
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.
identifiedFri, Aug 28, 2026, 06:47 PM
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.
identifiedFri, Aug 28, 2026, 04:47 PM
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.
identifiedFri, Aug 28, 2026, 03:47 PM
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.
investigatingFri, Aug 28, 2026, 01:39 PM
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.
investigatingFri, Aug 28, 2026, 11:33 AM
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.
investigatingFri, Aug 28, 2026, 10:33 AM
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.

📊 TECHNICAL DETAILS

Internal ID
87535b08-14cf-4ed0-9af9-fb9e90e5ba56
External ID
94bxf8qbp9c5
🕐 Started
Fri, Aug 28, 2026, 10:33 AM
🔄 Last Updated
Mon, Aug 31, 2026, 02:35 PM
✓ Resolved
Mon, Aug 31, 2026, 02:35 PM
MINOR
Impact Level
3d 4h
Total Duration
11
Status Updates
Affected Components
Voice, APAC
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