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

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Call Admission Control and DiffServ

Although RTAudio is a flexible payload codec, many larger enterprises believe that Lync Server should support call admission control, or CAC, as well. Already a fixture in many VoIP communications servers, call admission control is now configurable in Lync Server. With Lync Server, network managers can control the amount of bandwidth voice and video calls consume on a given link. By configuring the bandwidth policy service to control a specific site, calls can be rejected or rerouted to the PSTN when sufficient bandwidth is not available to complete the call. This ensures quality audio or video sessions. Enterprises can garner tremendous benefit from planning their CAC strategy prior to deployment.

Lync Server ...

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