A virtual private branch exchange (VPBX) is a business phone system that provides call routing, follow-me calling, voice mail, fax and automatic call distributor queues delivered over the public-switched telephone system. VPBX offers a communication solution optimized to address the requirements of dynamic businesses using the latest IP technology. Unlike a traditional private branch exchange (PBX), businesses do not need to purchase or install special equipment because VPBX is run through software.
VPBX technology provides the small business owner with practically all of the features of a regular PBX, but at a fraction of the cost. The main difference between the PBX and VPBX is how the service is delivered. With a PBX, the customer must buy expensive equipment and house it on site. A VPBX, on the other hand, is mostly software-driven, and the software is housed on the service-provider's servers.
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