Patent ID: 7039425

Claim:
A terminal usage limiting apparatus for temporary use with a mobile terminal communication, comprising: a signal transmitter for transmitting a signal in a predetermined size of an area defining a restricted area where the use of the mobile terminal is restricted, the signal having a characteristic that is substantially indistinguishable from a predetermined characteristics of a base station; a message generator connected to said signal transmitter for generating said signal which includes information identifying the terminal usage limiting apparatus; an access channel demodulator for demodulating a signal that is received from the mobile terminal; a message analyzer connected to said access channel demodulator for analyzing the demodulated signal; a restricted phone number memory for storing a predetermined list of phone numbers that are allowed to call in the restricted area; an emergency call deciding device connected to said message analyzer and said restricted phone number memory for determining whether or not a requested phone number is an emergency call by comparing the requested phone number to the predetermined list in response to a call origination message from said message analyzer; and a hand-off directing device connected to said emergency call deciding device and said message generator for directing said message generator to generate an emergency call hand-off message to force the mobile terminal to switch from the terminal usage limiting apparatus to an available base station in response to the emergency call, the emergency call hand-off message including base station ID information on the available base station.