Magicjack

I wrote a ticket on this and the reply was to come here with this problem ,problem is i started here a long time ago and never got an answer,here we go again.
i use Magicjack voip phone made by a company called tigerjet,when i start CF ,X-tap disables my phone , after playing the game i have to reboot my pc to get it to function again.
How do i stop this ?