Japan SMS - Delivery degradation affecting Softbank Network

Incident Report for Vonage API Status

Resolved

This incident has been resolved.
Posted Apr 08, 2026 - 09:20 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Apr 08, 2026 - 09:01 UTC

Investigating

Please be informed that we are currently observing SMS delivery degradation towards Softbank Network. This impacts only the domestic registration traffic.

We are working with our carrier partners to resolve the issue and will issue an update as soon as more information becomes available.

If you have any questions, please contact https://www.vonage.com/support/
Posted Apr 08, 2026 - 07:54 UTC
This incident affected: Global Connectivity (SMS APAC).