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

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Creating a Trunk Configuration

A trunk is a logical connection between the Mediation Server role and a PBX, PSTN gateway, or Internet telephony service provider. Trunk configurations can be scoped so that they apply globally, to a Lync Server site, or to a specific trunk. If these settings vary across devices connected via trunks, a new trunk configuration might be required.

Note

These settings are specific to the signaling and features available across a SIP trunk. Use Topology Builder to create the actual SIP trunk definitions.

A new trunk configuration has the following options:

Maximum Early Dialogs Supported—This is the number of forked responses the device on the opposite side of the trunk can support for a single SIP invite that is ...

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