Which three of the following are features of the Cisco Telepreaence Video Communication Server? (Choose three.)

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

B.
It provides on-demand ad conferences.

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

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

E.
It provides software-driven firewall functionality.

F.
It offers dustering of up to 12 Cisco Telepresence servers.

G.
It permits ISDM and IP endpoints to connect and communicate.