Now I2 Telecom offers cheap call rates via mobiles.

An upstart Internet telephone company has introduced a method for U.S. mobile telephone users to call land line phones around the world for as little as two-cents a minute on top of basic rates.I2 Telecom International Inc of Roswell, Georgia, said that its calling service, myglobaltalk.com, lets smartphones such as the latest models of Research in Motion Ltd's Blackberry e-mail phone place