Very simple, put in a desired nickname
doesn't matter which, go to options, input/output, and i reccoment setting yoru mice to key activation, unlike voice activation it avoids random cutting out of words in your sentences ( a good key to use for it is the mouse wheel down)
then just double click on a desired channel and start talking
If you're having troubles connecting to our server, just go to
www.onexfx.com and click on teamspeak, it will auto-connect you to it