Patent ID: 6438369
Filing Date: 2002-08-20
Classification: H04W

Abstract:
A method for redirecting a mobile station to a preferred cellular/PCS service provider when the mobile station is not in its home service market comprising the steps of:receiving a message identifying the remote switching center for the current remote service provider on which the cellular mobile station is attempting to register or originate a call; determining from the identification of the remote mobile switching center and the capabilities of said mobile station attempting to register or originate a call whether the remote mobile switching center is the most preferred cellular/PCS provider; and sending to the remote switching center a return message with a redirection record and parameters if said remote mobile switching center does not belong to the preferred cellular/PCS provider, said redirection record including one of at least two instructions for execution by the mobile station attempting to register or originate a call comprising one of: a.) instructions to establish communication with a different and preferred service provider but if that cannot be done, reestablish communication with the current remote service provider; b.) instructions to establish communication with a different and preferred service provider but if that cannot be done, attempt to establish communication with any other service provider except the current remote service provider.