Patent ID: 8295854

Claim:
A method for providing cellular phone service wherein a plurality of service providers disable text messaging for individual cell phones within a vehicle comprising: receiving a request to register a first cell phone as a master phone, the request being voluntarily initiated by a user of the first cell phone and being receivable by a first service provider; temporarily registering the first cell phone as the master phone in response to the request to register; wherein the master phone is presumed to belong to a driver of the vehicle; determining the position and velocity of the master phone; disabling texting for the master phone when the velocity of the master phone exceeds a disable threshold; establishing an envelope relative to the master phone that encompasses other cell phones within the vehicle; providing time stamped information parameters for the master phone envelope to a second service provider; determining at the second service provider that a second cell phone is contained within the envelope, the second cell phone being in communication with the second service provider; and permitting text messaging for the second cell phone when the first cell phone is registered as the master phone, wherein permitting text messaging occurs without requiring an action by the second cell phone.