SBM powered by Microsoft Lync™ Administrator's Guide 2011-11

A-36
Ready the Data Center for an SBM Deployment
Add the Survivable Branch to the Lync Server Topology
l. Select the SBM if the SBM is using its own PSTN interfaces to forward
calls. If the SBM is using SIP trunking, select the ITSP.
Figure A-32. Lync Server 2010 Control Panel—Select Gateway Window
m. Click OK.
n. If you are using SIP trunking with the SBM’s PSTN connections are
backup, you can add the SBM as another PSTN gateway.
o. To finish configuring the route, click OK.
p. If you want to add other routes, follow the same steps to do so. When
you are finished adding routes, click OK in the New PSTN Usage
Records window.
q. If you want to add other PSTN usage records, do so. When you are
finished, click OK in the New Voice Policy window.