China Voice - Degradation affecting international outbound calls to China

Incident Report for Vonage API Status

Resolved

This incident is now set to Resolved.

For impacted customers, if you have a local entity and local representative in China, it is recommended to buy a China number from Vonage to make outbound calls to China.

Due to heavy filtering by China operators, our international route to China is best effort only. Calls may get blocked without prior warning.

For more information, please refer to our China article: https://api.support.vonage.com/hc/en-us/articles/204017403-China-Voice-Features-and-Restrictions

Posted Sep 26, 2025 - 08:56 UTC

Monitoring

We have observed improvement. Voice quality metrics are now comparable to pre-incident.

Posted Sep 26, 2025 - 07:56 UTC

Investigating

We have observed voice call degradation affecting international outbound calls to China.

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

Please contact support@api.vonage.com if you have any questions.

Posted Sep 22, 2025 - 03:54 UTC

This incident affected: Global Connectivity (Voice APAC).