PBX Systems

Introduction Of PBX System And Its Features

PBX stands for Private Branch Exchange, which is a private telephone network used within a company. A user of PBX systems shares a number of outside lines for making external phone calls. The system also connects internal telephones within a business and also to the public switched telephone network. One of the latest advancement in system development is VoIP PBX, which is also known as IP PBX, which uses the internet protocol to transmit calls. IP PBX is a software based system which helps in accomplishing certain tasks and delivers services that can be difficult and costly to implement when using a traditional phone system. The main benefit is cost saving on the line rentals for each user.

Working Pattern of PBX System

The PBX system is owned and operated by enterprise rather than Telephone Company which may be a supplier or service provider. Private Branch Exchange used analog technology previously, but today it uses digital technology. The digital signals are converted to analog for outside calls on the local loop using plain old telephone service. Users can communicate within their company or organization and the outside world using different communication channels such as Voice over IP, ISDN or analog. The system also allows more phones than physical phone lines and free calls between users. It also provides features like call transfers, call recording, voice mail, interactive voice menus etc. Modern systems are based on standard hardware, which is cheaper and can be easier to replace than a closed system.

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