Working Sample of Click2Call PHP web application powered by the TelecomsXchange easy to use voice communications APIs.
TelecomsXChange Voice Apis offer lowest termination rates to any country around the world and it allows you to choose the end carrier terminating the call right from your PHP code. At last but not least your billed per second not per minute.
To use TelecomsXChange API you must have a valid Buyer Account, to get one head to www.telecomsxchange.com/voice_api to get your FREE account and API key.
Github Repository: https://github.com/telecomsxchange/click2call
Youtube HD Video tutorial for using the tcxc-php api is available here: https://youtu.be/zpAZauQk2oc