Which three of these are characteristics of multicast music on hold? (Choose three.)

A.
It uses one-way RTP point-to-point.

B.
There is a single user per audio stream.

C.
Networks and devices have to support multicast.

D.
It increments by IP address for different audio sources.

E.
It uses the multicast group address 239.1.1.1 to 239.255.255.254.

F.
It uses enterprise parameters to set the codec type or types used by music on hold services