Requirements for test Cisco Unified Video Advantage

[webstd.design]

Here is link

http://www.cisco.com/en/US/prod/collateral/video/ps7190/ps5662/product_data_sheet0900aecd8044de04.html

As I see , I can use USB camera and soft to test Video over IP.

I have some question:

1)Do I need some license to test Cisco Video Advantage?

2)What not Cisco cameras could you recommend to use with Cisco Video Advantage?

[webstd.design]

I want to make video conference

1) peer-to-peer - what do i need here?

2)Ad-hoc conference like meet-me on CUCM - what do i need here?

[webstd.design]

Any answer?

I want ot know do I know some MCU or other expensive devices for videoconferencing peer-to-peer