The device confirmation application can be used as a sort of opt-in mechanism. An outbound call is made to a device, whereby an IVR directs the user to either accept calls from this service, or to ignore calls from this service. After the selection is made by the callee, the application makes an outbound REST web service call back to a defined server to record the response.
The device confirmation application takes two parameters:
deviceId = this is used on the corresponding web service call to record the appropriate response.