Turkey based VoIP telecom company tuitalk.com is offering totally free VoIP calls to a list of countries including India. But the call duration is limited to only 2 minutes and you can be able to call maximum 3 times per day means totally 6 minutes. But still its not bad because it is totally free. For receiving this free service, first you have to visit their website, then register and then download their PC based softphone. Now, everything is ready and by putting your destination number you can start to call!!!