Sprint is offering a new plan that offers unlimited mobile-to-mobile calling from a Sprint handset to a wireless phone on any other US carrier's network.

The new service, called "Any Mobile, Anytime," is a feature of Sprint's Everything Data plan. Starting at $69.99 per month, the plan has unlimited text, picture and video messaging, and unlimited data, which includes Sprint TV as well as exclusive NFL Mobile Live and NASCAR Sprint Cup Mobile applications.

According Sprint CEO Dan Hesse, the carrier is trying to make wireless more simple and worry-free for customers. Let's face it, who wants to keep track of plan limitations, and what contacts are in-network? Hesse believes that Any Mobile, Anytime provides an unmatched simplicity and value.

In an example, Sprint showed that a family of four could get unlimited wireless for $42.50 per person. This could benefit you even if you're not going to abandon your current carrier -- other providers may look to cut prices in spirit of competition.