Some benefits of using technology application sent technology IP voice of implementation and high economic returns, can facilitate tasks that would be much more difficult to perform using common telephone networks. And this happens, both large enterprises as small businesses and even for private use. For example, high mobility allows, if travel and take a VoIP phone, anywhere with Internet connectivity, which can receive calls as local calls can be automatically routed to a telephone, a href = "voice IP, no matter at what point the balloon is connected to the network, and what is more important, the cost of a local call. If you own a company that provides telephone support to its customers – of any type of service- can avoid a large investment in physical infrastructure required. In terms of costs means large sums of money. By the use of VoIP, the call center agents can work anywhere, while it has a good Internet connection, it is also fast enough, even from their homes. Voice over IP is cheaper international communications and thus improving the quality of communication between suppliers and customers, or between cells of the same company dispersed around the world. In addition, VoIP technology is being offered as part of some web sites that offer it through certain specific support software applications. This allows users of these websites ask for a VoIP call, in a fast, efficient and with the dual benefit of being free to the caller and also for anyone who receives the call.