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Outage in Twilio

Intermittent Call Failures to a Subset of Twilio Japan Phone Numbers

Resolved Minor
August 18, 2025 - Started 8 months ago - Lasted 2 days
Official incident page

Incident Report

The issue causing call failures from a subset of Japanese 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 hours or as soon as more information becomes available.
Components affected
Twilio Voice, APAC

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Latest Updates ( sorted recent to last )
RESOLVED 8 months ago - at 08/20/2025 02:56AM

The issue causing call failures to a subset of Twilio Japan phone numbers has now been resolved, and the service is functioning normally at this time.

IDENTIFIED 8 months ago - at 08/19/2025 02:15PM

We are continuing to observe intermittent call failures to a subset of Twilio Japan phone numbers. Our Engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 24 hours or as soon as more information becomes available.

IDENTIFIED 8 months ago - at 08/18/2025 10:24PM

We are continuing to observe intermittent call failures to a subset of Twilio Japan phone numbers. Our Engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 16 hours or as soon as more information becomes available.

IDENTIFIED 8 months ago - at 08/18/2025 02:32PM

We are continuing to observe call failures from a subset of Japanese phone numbers. Our Engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 8 hours or as soon as more information becomes available.

IDENTIFIED 8 months ago - at 08/18/2025 10:37AM

We are continuing to observe call failures from a subset of Japanese phone numbers. Our Engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 4 hours or as soon as more information becomes available.

IDENTIFIED 8 months ago - at 08/18/2025 08:44AM

We are continuing to observed call failures from a subset of Japanese phone numbers. Our Engineers are continuing to work with our carrier partner to resolve the issue. We expect to provide another update in 2 hours or as soon as more information becomes available.

IDENTIFIED 8 months ago - at 08/18/2025 07:51AM

The issue causing call failures from a subset of Japanese 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 hours or as soon as more information becomes available.

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