Our team have completed mitigation actions and further monitoring confirms this problem has been resolved. All services have been restored.
The list of services that were impacted as been confirmed as: Voice API SIP Trunking
Customers may have encountered intermittent call failures between the following times on 2025-12-09: 16:51:17-16:51:19 UTC 17:24:30-17:25:12 UTC 19:01:40 - 19:01:42 UTC
Please let support@api.vonage.com know if you continue to experience problems with this.
Posted Dec 09, 2025 - 21:21 UTC
Monitoring
Our teams have identified an issue which resulted in intermittent call rejections for some customers.
The list of services that were impacted as been confirmed as: Voice API SIP Trunking
Customers may have encountered intermittent call failures between 16:51:17-16:51:19 UTC and 17:24:30-17:25:12 UTC on 2025-12-09.
All services are now stable and there are no ongoing alerts. We will continue to monitor the services during the next few hours and post updates should anything change.
Posted Dec 09, 2025 - 18:18 UTC
Investigating
Our monitoring has alerted us to a potential service issue that may be impacting Voice API calls.
Although It is not yet certain whether there is any customer impact, we are alerting customers immediately while our teams investigate.
We aim to provide an update on our investigation within 1 hour.