Microsoft® Lync Server 2010 Unleashed

Tying It All Together

Now that voice policies, PSTN usages, routes, and trunk configuration have been defined, an important step is determining how all these components interact. Figure 28.2 shows a sample configuration where two different voice policies exist, each with a different set of PSTN usages assigned. Office workers can only make calls considered local, but executives can place local, long distance, and international calls. Company ABC has voice gateways in both San Francisco and Chicago, so even if a San Francisco user dials a Chicago area code such as 312, the call can still be considered local if going out the Chicago voice gateway.

Figure 28.2 Voice Routing

Executives can place calls which begin with the dial strings +1415, +44, ...