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

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Gateways

In Polycom’s infrastructure the signaling gateway product used to achieve this type of integration is called the Distributed Media Application (DMA). The previously described configuration with a static route is still valid for integration with a Polycom DMA. Organizations can even have multiple DMAs in a single location for redundancy, or place DMAs in separate geographical locations with different static routes pointing to each DMA.

When a DMA is used, there is a signaling connection between the Front End pool and DMA, but all media traffic is directly between the Lync endpoint and the Polycom endpoint.

The Cisco equivalent of Polycom’s DMA is called Video Communication Server (VCS). Both of these products do much, much more in traditional ...

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