Outage in Twilio

Intermittent Call Failures to a Subset of Twilio Japan Phone Numbers

Resolved Minor
August 18, 2025 - Started 19 days ago - Lasted 2 days
Official incident page

Need to monitor Twilio outages?
Stay on top of outages with IsDown. Monitor the official status pages of all your vendors, SaaS, and tools, including Twilio, and never miss an outage again.
Start Free Trial

Outage Details

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
Latest Updates ( sorted recent to last )
RESOLVED 17 days 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 18 days 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 18 days 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 19 days 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 19 days 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 19 days 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 19 days 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.

Be the First to Know When Vendors Go Down

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 4400 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook