Configure your prerequisites
There are a few prerequisites that you need to complete before you can work through this tutorial. If you've already completed any of them, feel free to skip that step.
The Nexmo CLI allows you to carry out many operations on the command line. Examples include creating applications, purchasing numbers, and linking a number to an application.
To install the nexmo CLI with NPM you can use:
npm install nexmo-cli -g
Set up the Nexmo CLI to use your Vonage API Key and API Secret. You can get these from the settings page in the Vonage Dashboard.
Execute the following command in a terminal, replacing
API_SECRET with your own:
nexmo setup API_KEY API_SECRET
Connect to a WebSocketConnect an inbound call to a WebSocket with the Voice API