Outage in Zipwhip

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

Resolved Minor
August 03, 2025 - Started about 11 hours 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.
Latest Updates ( sorted recent to last )
RESOLVED about 8 hours 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 about 10 hours 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 about 10 hours 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 about 10 hours 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 about 11 hours 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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