As the present scenario is changing with growing technology, people are switching to dynamic business enterprises. This is also because of the changing picture of business models like VoIP resellers. One can find a huge number of them available on the web as the VoIP telephony presents many business opportunities for resellers. And VoIP resellers are gaining a significant role in terms of providing internet calls to end users. VoIP is an internet facility to connect calls from PC to PC and PC to Phone. One can get stay connected with his friends and family with the help of it. Also, there is no need to install any additional equipment or any upgradation in the system. Hence, it becomes a user friendly tool to make him connected with the world at any time, from anywhere. VoIP deliver voice communications over IP networks (Internet or any packet switched networks). The analog voice signal is converted to digital format, then compression is done. This compression translate the signals into internet protocol. Whole process facilitates in connecting calls from one point to another. This way, one makes VoIP calls and is able to talk to the person on the other point.