You can use fring (http://www.fring.com) with Wifi to communicate free from your smartphone. After that, create a SIP account or Skype account or a ekiga.net account.
Knowledge not shared benefits no one.
You can use fring (http://www.fring.com) with Wifi to communicate free from your smartphone. After that, create a SIP account or Skype account or a ekiga.net account.