Outage in Twilio

Voice Call Quality Issues To A Subset of Twilio Japan Phone Numbers

Resolved Minor
August 03, 2025 - Started 1 day ago - Lasted about 3 hours
Official incident page

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Outage Details

Voice Quality Issue To Subset of Twilio Japan Phone Numbers has been identified. We are actively working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.
Components affected
Twilio Voice, APAC
Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 08/04/2025 05:23AM

The issue affecting voice call quality issues to a subset of Twilio Japan Phone Numbers has been resolved, and the service is functioning normally at this time.

MONITORING 1 day ago - at 08/04/2025 03:23AM

We have started seeing recovery for voice call quality issues to a subset of Twilio Japan Phone Numbers. We will continue to monitor to ensure a full recovery. We expect to provide another update in 2 hours or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 08/04/2025 02:35AM

We are observing voice call quality issues to a subset of Twilio Japan Phone Numbers. We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

INVESTIGATING 1 day ago - at 08/04/2025 02:28AM

We are observing call failures to Twilio Japan Phone Numbers. We are currently working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

IDENTIFIED 1 day ago - at 08/04/2025 02:24AM

Voice Quality Issue To Subset of Twilio Japan Phone Numbers has been identified. We are actively working with our carrier partner to resolve the issue. We expect to provide another update in 1 hour or as soon as more information becomes available.

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