Download SIP-VoIP from Installer. Put your username and password in and press save. The Registrar is sip.voiparound.com to pre order a mic from Touchmods visit touchmods.net You can make free calls from your ipod touch (300min per week) with freecall.com. Make sure when you dial the number you put 1(area code) then the number 111-1111 xxx
Wow .. this is cool video guide, specially for my iPod touch phone .. my fingers are really rocking by making free calls via VoIP
keep it up