Date Added: Oct 2012
Voice over Internet Protocol (VoIP), is a technology that allows the people to make voice calls using a broadband Internet connection instead of a regular (or analog) phone line. VoIP services have compelling technical advantages over circuit switching. VoIP networks are based more on an open architecture than that of their circuit-switched contemporaries. This open, standards-based architecture means that VoIP services are more interchangeable and more modular than that of a proprietary, monolithic voice switch. One can now select best-in-class products without being tied to one specific vendor.