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Microsoft® Lync® Server 2013 Unleashed Second Edition by Randy Wintle, Alex Lewis, David Ross, Tom Pacyk

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SBA Versus SBS

A Survivable Branch Server is a Lync role that includes a limited Front End service for the registrar functionality, and a Mediation Server. It is installed and deployed like any other Lync role and requires a dedicated physical or virtual server to be created.

A Survivable Branch Appliance is a single piece of hardware that contains a media gateway and a Lync Survivable Branch Server. These appliances are produced by Microsoft partners and are similar to a Survivable Branch Server, but include the Survivable Branch Appliance server and IP/PSTN gateway all in one hardware device. These devices are typically more economical and take up less space than deploying a separate server and IP/PSTN gateway, so it makes sense to leverage ...

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