What should you do?
A. Modify the SIP listening port on EX1.
B. Modify the port used on the IP-PBX.
C. Deploy a server that has Exchange Server 2010 and the Unified Messaging server role installed.
D. Modify the IP-PBX to route calls to EX5 and EX6.
Answer:D
What should you do?
A. Modify the SIP listening port on EX1. B. Modify the port used on the IP-PBX. C. Deploy a server that has Exchange Server 2010 and the Unified Messaging server role installed. D. Modify the IP-PBX to route calls to EX5 and EX6.