Did you try my suggestions found here:
http://forum.voxalot.com/voxalot-gen....html#post5813
Edit: you have now tried some of my suggestions. Thanks.
Be careful, you can't change all those STUN settings to yes, as far as I know. You have to do one or the other, as I tried to show in my Walkthrough guide by showing one setup then another, swapping what was Yes and what was No.