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

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Voice Policies Redux

After covering the voice policies, PSTN usages, and routes separately, it’s now possible to understand how they all work together. The starting point is the E.164-formatted number that has been normalized by a user’s dial plan. The next step is to review the user’s voice policy to see whether the user is allowed to call the number.

The first PSTN usage in the voice policy is selected, and any routes associated with that PSTN usage are reviewed. The normalized number is compared to the match patterns on each returned route. If there is a match, the route is selected and the call is placed through one of the trunks.

If there is no match pattern for any of the associated routes, the process repeats. The next PSTN usage in the ...

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