This API is pushed after the call has been completed.
Push Time: Queued
URL Format: http://yourdomain.com/script.php
calledby: Phone number of the caller
calledto: Destination phone number on, which call was forwarded
duration: Call duration in seconds
callstatus: Answered, Rejected, Busy, Congestion, OnIVR, Cancelled etc.
callcharges: Amount in rupees you have been charged for this call
smssent: Number of SMS sent as alerts through our system
Response Requested: N/A