Your customer has implemented a multipoint control unit to allow conferencing between existing Cisco Unified Video Advantage users. The multipoint control unit appears to be properly configured, but users are complaining that when they conference they get audio but no video.What is the most likely cause?
A.
The region configuration is selecting an incorrect codec.
B.
The partition or CSS configuration is preventing video setup.
C.
The QoS policy is placing video packets in the default queue.
D.
The MRGL configuration is selecting the incorrect conference resource.