This application requires a Nexmo application and phone numbers. To create the application, use the nexmo app:create command with the Nexmo CLI.
The parameters are:
<<APP NAME>>- the name of the voice application<<FILENAME>>- the name of the private key file, in this instance<<FILENAME>>is expected<<ANSWER WEBHOOK>>- the webhook called the Nexmo number receives an inbound call<<EVENT WEBHOOK>>- the webhook called when the call status changes