Ingame voip disables self

[Liam[EEF]]

Since ive bought the new fatal1ty headset and moved on from the hs-1200 ive been having problems with ingame voip disabling itself.

I remember before when i had a bog standard jack headset like the fata1ty i had this problem but i never found the solution.
Stuff:
soundmax HD
windows xp
if you need any more details let me know.