$1 free international calls from Centmobile.com calling card

In recent past we have seen very few serious promotions from VoIP providers. This may be because of so hyped slowdown or already low cost VoIP. Still there are few companies trying to grab the market share from leaders like Rebtel, Pingo and Localphone. Today we will discuss about Centmobile.com which is offering $1 free trial credit without any commitment or credit card information.