Cisco Cisco Expressway
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Media Paths and License Usage
Lync Client Call to SIP Video Endpoint
Figure 4 Call between internal 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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Signaling flows through Lync, B2BUA, and Unified CM.
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Media is connected directly between the Lync client and the B2BUA.
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Media is connected directly between the internal SIP video endpoint and the B2BUA.
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Calls in both directions use the same signaling and media paths.
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Cisco Expressway with Microsoft Lync Deployment Guide