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Business communications has always been a challenging arena for management - subject to cost, function, reliability, and other pressures and concerns. The emergence of VoIP technology and specifically application to PBX systems via IP based protocols has provided an enormous opportunity for companies to reap many benefits. Many companies today have multiple office locations around the country or around the world. Currently, each office uses its own PBX system and inter-office phone calls are routed through the PSTN and charged long distance and international rates by carriers.
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