Voice over Internet Protocol (VoIP) is becoming increasingly popular as an Industry standard for business telecommunication. Voip is generating wide interest across several markets including hospitality, healthcare, IT company, customer service sector, insurance company, laboratory, marketing sector, equipment manufacturer, gaming industry, and more. VoIP technology allows voice to be transmitted over Internet in real time, which eliminates requirement of separate public switched telephone network (PSTN) hardware and wiring. At significantly lower cost VoIP delivers improved operations and enhanced productivity. VoIP is capable of carrying intuitive applications on its digital telecommunications ...