Which three of the following are features of the Cisco Telepresence video communication
server? (Choose two)

A.
It offers full high-definition transcoding on every port

B.
It permits ISDN and IP endpoints to connect and communicate.

C.
It offers clustering of up to 12 Cisco Telepresence servers.

D.
it provides software-driven firewall functionality.

E.
It has support for AES 128-bit encryption.

F.
It provides on-demand ad hoc conference

G.
It has support for auto-attendant, direct inward dialing, and TCS4 access