Patent ID: 6453178
Filing Date: 2002-09-17
Classification: H04M,H04W

Abstract:
A method of operating a radiotelephone device to originate a call, said radiotelephone device being authorized to operate with a radiotelephone system that provides radiotelephone services in a first geographical NPA area, said method comprising:establishing a data communication path between said radiotelephone device and another device; receiving, over said data communication path, data which define a connected NPA code; identifying the entry of a first three dialed digits and a later dialed digit, said first three digits being dialed prior to said later digit; determining, in response to said first three digits, whether said later digit is a final digit of a phone number by evaluating said first three digits to determine whether said first three digits define said connected NPA code, said connected NPA code corresponding to a geographical NPA area which overlaps or is adjacent to said first geographical NPA area; and automatically transmitting an origination message to said radiotelephone system when said later digit is said final digit of said phone number, said origination message conveying said phone number.