Microphone Problems. I am not able to get my mic to work in 2 or more ventrilo servers or when I

Question

I am not able to get my mic to work in 2 or more ventrilo servers or when I am in any type of game(using a mic) and vent at the same time. Basically I would like to know if I can change the settings on my comp to allow me to have 2 or more diff outputs.