This article provides an introduction to the new voice resiliency features offered with Microsoft Lync Server 2010. Resiliency architecture will be covered along with the new Survivable Branch Appliance device and scenarios about what the user will experience during a failure.
Author: Keith Hanna
Publication date: June 2010
Product versions: Microsoft Lync Server 2010 and Microsoft Communications Server 2007 R2
Microsoft Office Communications Server 2007 R2 introduced the capability to continue a call that is in progress if the user’s pool fails; however, the call was already in progress before the server failed. During the failure, any features of the call that required signaling were unavailable, including hold, transfer, and soon, limiting the user experience. Without signaling support, calls cannot be established.
Microsoft Lync Server 2010 solves this problem with the introduction of native voice resiliency within the product, ensuring that voice functionality is preserved even in the event of a data center or pool-level failure.
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