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

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Server Configuration

Lync servers operate similarly to clients and tag media traffic through the use of policy-based QoS in Group Policy. Each media type has one of the following default port ranges assigned:

• Audio (49,152–57,500)

• Video (57,501–65,535)

• Application sharing (49,152–65,535)

These port ranges can then be matched through policy-based QoS and assigned a DSCP marking. The default port range for application sharing overlaps with both audio and video. If application sharing is tagged differently than either traffic, a separate port range must be configured. Port ranges for each media type can be configured using the Set-CsConferenceServer and Set-CsMediationServer cmdlets.

Unfortunately, the Lync product team uses overlapping port ...

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