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System and Method for Tracking and Managing Cellular Telephone Time Usage Base on Current Plan Disclosure Number: IPCOM000030392D
Original Publication Date: 2004-Aug-09
Included in the Prior Art Database: 2004-Aug-09

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The invention below describes software functionality to be executed on cellular telephones and other mobile communications devices, which tracks plan time usage and prompts the user when placing or receiving calls, or using other features such as text messaging, which may be outside of free plan minutes.