Simply follow this steps:
* Go to this site and register there
* You will get two mail from them first regarding the activation of your account.
* Go and activate your account thereafter you will get second mail containing username and password.
* Now Download this software and Add a new sip account in its settings. The details to be filled are :
Name : Free
Domain : SIP.WIMOBILE.IT
USERNAME : As in your mail
Password : As in your mail
Now go and start making Call.....
