The Vonage Voice API is the easiest way to build high-quality voice applications in the Cloud. In this tutorial you will learn how to stream pre-recorded audio into both inbound and outbound calls using Ruby and the Vonage Voice API.

This tutorial provides step by step instructions showing you how to:

  1. Set up a Vonage account
  2. Create a Vonage Application
  3. Configure a Vonage Application
  4. Create an Sinatra application
  5. Add the Vonage Ruby SDK to it
  6. Receive a call and play audio into it
  7. Place a call and stream audio into it