Our monitoring has alerted us to a potential service issue with our platform.
The customer impact has been limited and appears to have affected a very small number of Voice API and SIP calls in our Dallas Data Center.
We have implemented a fix and will continue to monitor the situation.
Please see this article - https://help.nexmo.com/hc/en-us/articles/360015693092-Nexmo-Incident-Handling
- for an explanation of our approach to publishing incidents.