Hello,

-- I am currently working on video conference module in freeswitch-1.6.5

-- I am using verto client for confernece (i configured just 3 verto users in different hosts) and when i dial 3500 extension from the verto user, the conference is starting but the main problem is 

if 3 users connected with the 3500 conference, the audio is gone(too much noice, no audio clearence) and CPU usage is reached to 150%+

and i follow below configuration also
ulimit -c unlimited # The maximum size of core files created.
ulimit -d unlimited # The maximum size of a process's data segment.
ulimit -f unlimited # The maximum size of files created by the shell (default option)
ulimit -i unlimited # The maximum number of pending signals
ulimit -n 999999    # The maximum number of open file descriptors.
ulimit -q unlimited # The maximum POSIX message queue size
ulimit -u unlimited # The maximum number of processes available to a single user.
ulimit -v unlimited # The maximum amount of virtual memory available to the process.
ulimit -x unlimited # ???
ulimit -s 240         # The maximum stack size
ulimit -l unlimited # The maximum size that may be locked into memory.
ulimit -a           # All current limits are reported.

i am using using  Centos 6.5 with 4GB Ram. Could you any one help me to resolve this problem,

i want to know following thigs

--> Video confernece configuration 
--> Required system configuration
--> and also i would like to know how many possible video conferences can be handle by freeswitch-1.6.5


Please help me.

-- 
Thanks & Regards
Veerabhadrarao Kankatala