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Vendor hype has devalued the promise of unified communications and threatens to cause confusion with the move to cloud computing. In the absence of clear and unambiguous explanations of the benefits of embarking on such projects, end users could be forgiven for thinking that these are technologies without a purpose. However, a revolution is underway, bringing with it real benefits to enterprises and to workers. The world of telephony has changed forever? from its roots in traditional TDM voice through an initial convergence with IP networks. The TDM PBX was self-contained and comfortable - a separate network, proprietary hardware, proprietary devices, specialist communications personnel.
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