Which two statements about Cisco Unity Connection video features are true?

A.	The video greetings feature is not supported in an active-active cluster deployment over the WAN.
B.	The Cisco MediaSense server must be colocated with Cisco Unity Connection with less than 30 ms RTT latency.
C.	To avoid frozen video frames, Cisco Unity Connection and Cisco MediaSense must make use of a blanking file to fill the stream when they are not sending video.
D.	Cisco Unity Connection transcodes video greetings for endpoints with different resolutions.
E.	The Cisco MediaSense server transcodes video greetings for endpoints with different resolutions.