Free Unlimited PC To Phone Calls To USA,UK,Canada, Germany, China, France, Australia, Singapore, Japan & Brazil
One of the World's biggest telecom company - Reliance Communications, the Indian major is all set to make its presence felt in VOIP business, with the launch of their VOIP service Reliance iCall
they are surely going to make a impact in the VOIP market.
To promote the launch of their service the company is offering 100% free calls to landline and mobile phones destinations like USA, UK, Canada, Germany, China, France, Australia, Singapore, Japan and Brazil till 15 January 2009.
I can't find any usage limitation mentioned on there promotional page so I guess this is unlimited during the promotional period, to benefit you simply need to get Registered and download the dialer from there official website.