campaign call management in PHP

Question

I do one Medical related projected on my client (fully written in php). Now my client ask i need campaign call management also on that application so i searched on Google unfortunately no one can find. But my friends some bodies told naina surely campaign management application must available on internet because It is a famous and most of them using also, so you can tried to search too stronger. But I did not have it, so I ask you sir. If you know about this topic. Please I need your help, am waiting for your valuable replay…