What are two functions performed by System Manager? (Choose two.)

A. It delivers a set of shared management services and a common console.

B. If ‘Direct IP-IP Auto Connections, H.323-H.323 two-party calls will shuffle to establish a direct media.
C. It provides SIP registration and authentication.
D. If ‘Initial IP-IP Direct Media’ is enabled, SIP-SIP two party calls will use direct media.

E. It provides centralized management of enterprise-wide dial plans.