Cisco Cisco Expressway

Off-site Lync Client Calls Internal SIP Video Endpoint

Figure 5 Call between off-site Lync client and internal SIP endpoint.

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Licenses consumed by this call:

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1 rich media session license on Gateway Expressway

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A number of TURN licenses on the Expressway-E, which depends on what media streams are relayed

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Signaling flows through the Microsoft Edge Server, Lync Server, B2BUA, and Unified CM.

Cisco Expressway with Microsoft Lync Deployment Guide