Voice Call Failures Between a Subset of Twilio Phone Numbers and Multiple Networks in Japan
Incident Lifecycle
Affected Components
Voice, APAC
Incident Timeline
Monitoring
We have observed a recovery in voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Japan and are monitoring service stability. We will provide another update in 2 hours or as soon as more information becomes available.
Aug 21, 2026 at 7:57 AM UTC
Identified
Twilio customers may be experiencing voice call failures between a subset of Twilio Phone Numbers and network subscribers on multiple networks in Japan. 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.
Aug 21, 2026 at 7:09 AM UTC
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