Hi,
Can you give use more information to what's the issue with your PC? If you're trying to set up VOIP with your PC here are some tips and pointers.
http
/www.myvoipapp.com/docs/faq/setup_ippbx_for_small_business_step_by_step/
http
/www.maximumpc.com/how-to-build-your-own-home-phone-server/