GloPhone
Make unlimited local and long distance phone calls over the internet 24/7 worldnwide and free worldwide calling between online users with our voip internet phone service
http://www.glophone.com/
FireFly
Freshtel is a new way of using your internet connection to call other people, both online and by phone or mobile phone.
http://www.freshtel.net/
Skype
Download skype and calls other people using skype for nothing - wherever they are in the world.
http://www.skype.com/intl/nl/
VoipBuster
Gratis bellen met voipbuster. bel gratis naar uw online vrienden en een speciale selectie bestemmingen!
http://www.voipbuster.nl/
VoiPerized
VoiPerized
http://www.voiperized.com/
Zfona Bete2 (beveiligd bellen)
Zfona Bete2 (beveiligd bellen)
http://www.philzimmermann.com/zfoneproject