[A44] You have an IP-PBX that uses four-digit extensions. You plan to deploy Enterprise Voice. You implement a SIP trunk between the Lync Server infrastructure and the IP-PBX. You configure all users to use the following LineURI: tel:+3120123 <4digitextension>;ext=<4digitextension> You need to ensure that the IP-PBX only receives the four-digit extension of a user when a call is placed to the IP- PBX. What should you do?
A. Modify the trunk configuration.
B. Modify the voice policy.
C. Forward the P-Asserted-Identity data.
D. Enable media bypass.
