Voipstunt and Voipcheap (and probably more) have a new service (as from 29.03.2007)

Call at a local rate to International phonenumbers!

From now on you can use your Voipstunt credit as well for calls from your mobile.
Please use the right access number for your country and make sure your mobile number is registered with your account. Before each call you will hear the free tariff message.

The Voipstunt access numbers are:

Netherlands: 010 744 87 87
United Kingdom: 016 1700 28 28
Austria: 012 32 32 06
Switzerland: 043 526 94 94
Germany: 0211 53 99 85 85
Ireland: 016 85 04 04
Spain: 911 32 29 29
France: 0170 90 95 35