You are a member of the CsAdministrator group that supports a Microsoft Lync Server 2013
datacenter. The datacenter consists of one pool named ConPool01. You implement Enterprise Voice.

Some users still use desktop phones that are connected to the local Private Branch Exchange (PBX)
to make and receive calls. Some users who have PBX desktop phones report that they can no longer
make or receive calls with their desktop phones. You need to ensure that users can place calls from
their desktop phones. What should you do?

A.
In Voice Routing, create a new Dial Plan.

B.
In Voice Policy, select the Enable bandwidth policy override checkbox.

C.
On the Edge server, download the certificate chain and then restart the Lync services.

D.
Validate configuration for the Line Uniform Resource Indicator (URI).