Businesses are looking for, so more and more studied, minimize costs and maximize investment benefits that it can bring. In this line, a technology investment is virtually the only option for growing businesses and even those that are consolidated. Communication within the company is a key factor, and it is therefore interesting to manage the existing supply to make the best decisions. In this context, it is not nothing but a complete telephone system, represents the leap necessary, since it allows a low initial investment, send conversations as data packets over the web, working on IP data networks. The unit works as a switch local calls over the data network within the company, and allows all users share the same external phone lines, allowing uniformity and low cost, rapid communications, with minimal investment. This technology, which is in the process of expansion, particularly in Europe offers communication without limits, safely and accompanying expansion and permanent movement of any business. But not all customers or suppliers to use the IP PBX can connect to traditional PSTN lines lines, through an optional jumper, so that the business daily update on this network advanced voice and data is a fairly simple task.

Its installation does not represent an interruption in the operation of the company or a deterioration in its infrastructure, the implementation of an IP PBX allows you to maintain regular telephone numbers of the company. An IP PBX system consists of one or more SIP phones (cell phones based software or hardware based), an IP PBX server and a VOIP Gateway to connect to existing PSTN lines. Its operation is similar to a proxy server: SIP phone customers are registered with the IP PBX server, and when they want to make a call, the IP PBX is connected. The IP PBX has within a database with all users or phones and their corresponding SIP address-assigned number, “they get to connect a call from inside or outside your system, or through a VOIP gateway VOIP service provider.