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IP PBX (Internet Protocol - Private Branch eXchange) Phone System Overview

An IP PBX phone system streamlines the way a business communicates internally as well as externally in two primary ways. First, an IP PBX is telephone switching equipment residing within the organization rather than the telephone company. Second, calls are transmitted via a data network instead of the traditional PSTN (public switched telephone network) and configuration is done using a PC browser. This means that all connections and extensions are controlled and administered by the organization without having to depend on — or pay for — PBX vendor service.

Transitioning from a legacy PBX to an IP PBX business phone system is a straightforward process that can be handled in stages or all at once. An organization may decide to convert completely from a traditional platform to an IP platform in one episode to maximize the economy of toll-free calling, may expand the network to connect to a branch office or home office to accommodate growth or move an endpoint or node from one location to another. With an IP PBX system, adding, moving, and changing users and sites is smooth and hassle-free. Because the new telephone system is now based on a data network, it is extremely flexible and scalable and is very economical to operate and maintain both in the short and long terms. It also enables the integration of call management applications with telephony, providing a revolutionary improvement in the analysis of calling patterns and deployment of telephony resources.

Vertical believes in an evolutionary rather than a revolutionary approach to IP telephony. Many organizations may not require a complete overhaul of their PBX systems, and can operate both traditional and new IP based systems side by side. Vertical products allow organizations to move over to IP PBX in stages and during the process to exploit the new merged voice-data network by installing applications that make operational and economic sense. Step-by-step migration ensures that needless costs are avoided and only productive application modules are integrated at each stage. Examples include: call routing and queuing; directed marketing messages; store service response; interactive voice response (IVR); connections to backend databases; and call management and other enterprise applications.

Still have questions? Find the answers in our IP-PBX Telephony Systems FAQ.

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