I'm doubting whether this will post or not, but here goes.
//please note:
//All of the following "Niall's" sections are actually blatently stolen from [HLM]Cuthach's SOF2.DOC file. :)
unbindall
//Niall's communications section
bind KP_PLUS "vsay_team affirmative"
bind KP_MINUS "vsay_team negative"
bind backspace "say_team ^1