Businesses are seeking, so increasingly more studied, minimize the costs of an investment and maximize the benefit that it can bring you. In this line, a technology investment is virtually the only option for companies expanding and even those that are consolidated. Communication within the company is a key factor, and for this reason it is interesting to manage the existing offer to take the best decisions. In this framework, the IP PBX that is nothing more than a telephone system full; represents the leap needed in enterprise telephony since it allows with a low initial investment, send conversations as packets of data on the web, working on IP data networks. The PABX, works as a switch of local calls over the data within the enterprise network and allows all users to share the same external telephone lines, enabling uniformity and low cost; rapid communications, with a minimum of investment. This technology, which is in the process of expansion, above all in Europe provides communication without limits, safe mode and that accompanied the expansion and permanent movement of any company. But as not all customers / vendors used it, the IP PBX allows to connect to traditional lines PSTN lines, through an optional bridge, in such a way, that daily updating in business on this advanced voice and data network is a fairly simple task.
Their installation would not represent an interruption in the operation of the company or an alteration in its infrastructure, the implementation of an IP PBX allows to maintain regular telephone numbers of the company. An IP PBX system consists of one or more phones (phones based on software or hardware-based phones) SIP, a server of IP PBX and a VOIP gateway to connect to existing PSTN lines. Its operation is similar to a proxy server: customers with SIP phones are registered with the IP PBX server, and when you want to make a call, the IP PBX establishes the connection. The IP PBX has in its interior a database with all users or phones and their corresponding SIP address your number by assigning-, for them unable to connect from inside or from outside your system, or call through a VOIP gateway from a VOIP service provider. Original author and source of the article.