Having created sites, subnets, and regions, we have still not told Lync how sites connect to each other. This is what region links and routes are for. Region links define bandwidth policies between sites, and region routes are used to connect sites by creating possible audio paths.
Note
When an audio path is chosen for the media stream, Lync will look at all the bandwidth policies in the path and select the most restrictive one for the call.
The following are the five steps to add region links:
Launch the Lync Server Control Panel with an account with the RTCUniversalServerAdmins rights, and navigate to Network Configuration | Region Link.
Select New.
Enter a name for the link, select the two sites that will be connected through this link, and enter which Bandwidth policy should apply, as shown in the following screenshot:
Press Commit to save.
This process is complete when all the links are added.
The following are the steps to add region routes:
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