can anybody helpme

i have vicidial 2.0.3
and asterisk 1.2.17
and sometimes when the agents are working the vicidial cross the agents .
the dialer connect the conferences agents with agents .
any agents can ear oneother agents
i dont know whats happening..
helpme anybody please
and asterisk 1.2.17
and sometimes when the agents are working the vicidial cross the agents .
the dialer connect the conferences agents with agents .
any agents can ear oneother agents
i dont know whats happening..
helpme anybody please