Earn More With PC To Phone Service
Till recently fixed line telephones were the sole way to fulfill our daily communication and networking needs, irrespective of whether you are a residential user or a corporate house. However the high call tariff rate for long distance and international calling has made it unfit to be used for calling overseas. In order to cater to this need for a cheaper mode of calling, VoIP was introduced.
Source: ezinearticles.com