A Cisco 5310 MCU is being configured as an ad hoc conference bridge in Cisco Unified Communications Manager. Which two configuration steps must be completed for this to function correctly? (Choose two.)
A. Install the Cisco Unified Communications Manager feature key on the MCU.
B. Create a SIP trunk from Cisco Unified Communications Manager to the MCU.
C. Enable Media Port Reservation on the MCU.
D. Disable H.323 and enable SIP on the MCU.
