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Microsoft® Lync Server 2010 Unleashed by Tom Pacyk, Andrew Abbate, Alex Lewis

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Overview of Unified Communications

Since the first time a call was placed to a phone that did not answer, users of communications devices needed unified communications (UC). However, ask 1,000 IT professionals what UC means, and you’ll likely get close to that number of answers. This is due to that fact that unlike Voice over IP (VoIP), where there is a tangible description of what a technology is or does, UC is s bit more difficult to qualify. Is it collaboration? Is it the capability to see someone’s presence? Is it instant messaging? Is it all of these in a single client? The answer is yes... and no. Without realizing it, as we attempt to collaborate on a more granular and contextual level, we have been unifying our communications slowly ...

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