I got my account and everything on voipwise, but i dont know how to connect? i went to settings and put in the regostrar in the sip server. I conect, but when i put in my number to call, it says dialing, than jsut stops? I dont have a mic, cause i dint wnat to spend 30 dollars and it not work. That wouldnt be the problem right?Somebody want to walk me through this?