Hi Mostafa,
The 7911 is now supported :) The 7912 is Eos/EoL so it's unlikely to be supported;
These phones are supported for use with Cisco Unified Video Advantage:
â¢Cisco Unified IP Phone 7911G
â¢Cisco Unified IP Phone 7940G
â¢Cisco Unified IP Phone 7941G-GE
â¢Cisco Unified IP Phone 7945G
â¢Cisco Unified IP Phone 7960G
â¢Cisco Unified IP Phone 7961G-GE
â¢Cisco Unified IP Phone 7965G
â¢Cisco Unified IP Phone 7970G
â¢Cisco Unified IP Phone 7971 G-GE
â¢Cisco Unified IP Phone 7975G
From this good doc;
http://www.cisco.com/en/US/docs/video/cuva/2_1/english/release/notes/ol15290.html#wp1078995
Hope this helps!
Rob