Launch the Lync Server Control panel.
Lync Server Control Panel
Select Voice Routing
Site Dial Plan
In the New menu, click Site dial plan.
Select Site Location
Click OK.
New Dial Plan
Click OK.
Commit All
In the Commit menu, click Commit all
Commit
New Site Policy
In the New menu, click Site policy.
Select Site Location
Click OK.
New Associated PSTN Usages
Under Associated PSTN Usages, click New.
Usage Record Name
Click New.
Route Name
Next to the Associated gateways text box, click Add.
Select Gateway
Click OK.
OK New Route
Click OK.
Save PSTN Usage Record
Click OK to save your PSTN Usage record
Save Voice Policy
Click OK to save the voice policy.
Commit All
In the Commit menu, select Commit all.
Commit
Click Commit.
Successfully Published
New Site Trunk
In the New menu, select Site trunk.
Select Site Location
Click OK.
New Trunk Configuration
Click OK to save your selections.
Commit All
In the Commit manu, select Commit all
Commit
Click Commit to published the voice routing configuration.
Successfully Published