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VoIP Appliances

What is an IP PBX? IP PBX is an acronym that stands for Internet Protocol Private Branch eXchange. Also known as a voice-over-Internet Protocol PBX (VoIP PBX), an IP PBX is typically deployed by small or mid-sized enterprises to provide a business telephone system. An IP PBX allows companies to transition from traditional circuit-switched PBX technology to a converged ALL-IP voice-and-data network. An IP-PBX leverages the packet-based (IP) voice network to provide call control for intra-office users on the corporate LAN. For calls with remote/branch office and external users the VoIP PBX also provides access to traditional public switched telephone network (PSTN) phone lines and/or a Session Initiation Protocol (SIP) trunking service. The IP PBX is a software-based solution, which may be installed on a server, or purchased pre-installed as a network appliance. The term may be also spelled variously as IP-PBX, IP/PBX, or IPPBX.

With a conventional PBX (sometimes called a private automatic branch exchange (PABX), two separate networks are required within the enterprise, one for voice and another for data communications. An IP PBX enables a converged voice and data network, which simplifies network architecture, providing greater efficiency and lower costs for network operations and maintenance. This advanced system design also offers greater flexibility and scalability for a growing enterprise.

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