Free calls to Thailand

Lowratevoip This software lets you to make free international calls to thailand and 40 other countries, you can call boith landline and mobile " thailand " with this software option.

Free international call to US and CANADA

I call "icall" this application lets you to make free calls to united states both mobile and land line for free, restrictions are, you will get disconnected after each 5 mins and no issues on connecting the call again.

Free international call to UK

Voipcheap, Mediaring allows free international calls to UK landline

International call to russia

Voipcheap and VoipDiscount lets free calls to Russian Landline

Free international calls to India

Gizmocall who offer free international calls to india. They basically operate in deep pockets and pay off for the termination charge from other paid service.

Free calls to argentina

Voipcheap, Voip discount, Voipstunt etc are few softwares which let you to make free calls to argentina, these softwares need high internet bandwidth and headphone with minimal computer configuration.