This is a guide to show which chapters provide what information relating to the Click-to-Call Cloud Service Call Setup API.

Chapter 2 – Using Call Setup API describes how to use the functionality provided by Call Setup API.

Chapter 3 – Same Origin Policy provides information about how the Call Setup API is impacted by the Same Origin Policy and how to use Cross Origin Resource Sharing (CORS) or JSON with Padding (JSONP) with the Call Setup API.