SB audigy doesn't goes with Gamevoice under WIN XP PRO

ok i have the following prob:
I have an audigy SB , i’m a gamer and i use Gamevoice(GV) of microsoft to play unreal tournament.

if i run the test of GV it says that my soundhardware can’t play any sound, but the rest works excellent…

In the wizard test i select for microphone --> SB audigy Audio (A000) and for my speaker the same thing cause there is nothing else to choose…

On the site og GV www.gamevoice.com aren’t any drivers or known issues about it and also on the creative site the same thing. I already installed the updated drivers for WIN XP wich didn’t help so if anyone could help…