http://www.engadget.com/2009/09/09/sprints-big-surprise-to-be-unlimited-calling-data-text-and-m/
which basically mean anybody with a plan that are $69.99 or more per month will now be automatically updated with free mobile to mobile calling to numbers on any network.
which basically mean anybody with a plan that are $69.99 or more per month will now be automatically updated with free mobile to mobile calling to numbers on any network.
Apparently Sprint's $70 rate plan going unlimited, meaning seven Hamiltons will get you endless mobile-to-mobile calling (to any network, not just Sprint), texts, data, and MMS