COS for CCTV Traffic on EX3300?

Hi all,

I'm trying to COS CCTV traffic using url example http://www.juniper.net/documentation/en_US/junos12.3/topics/example/cos-ex-series-configuring.html but unfortunately not traffic hit video COS. My CCTV brand camera was "Avigilon".

I just change the ip address and udp port based on "Avigilon website"  but no hit. Is there any one can help.

http://avigilon.com/assets/Uploads/AvigilonControlCenterServerUserGuide-4.10.pdf?url=/support/manuals/Avigilon_Control_Center_Server_User_Guide-4.10.pdf

http://www.cctvforum.com/viewtopic.php?f=19&t=42707

Thanks