Patent ID: 6332073
Filing Date: 2001-12-18
Classification: H04M,H04W

Abstract:
A method for use in a fixed cellular unit requiring an action by the cellular unit or a user of the cellular unit after dialing a number to initiate an outgoing call to said number, said method screening outgoing calls for an emergency number comprising a plurality of digits, said method comprising:(a) receiving a first dialed digit;(b) comparing the first dialed digit to the first digit of the emergency number;(c) if the first dialed digit matches the first digit of the emergency number, receiving a next dialed digit;(d) comparing the next dialed digit to the next digit of the emergency number;(e) repeating step (d) until either the next dialed digit does not match the next digit of the emergency number or the dialed digits match all of the digits of the emergency number;(f) inhibiting said cellular unit from initiating the acquisition of a communication channel an outgoing call while performing steps (a) through (e), and(g) responsive to receipt of dialed digits matching all of the digits of the emergency number, bypassing said action required to initiate an outgoing call and immediately setting up an emergency cellular call.