05995823 is referenced by 10 patents and cites 9 patents.

A method and system in a wireless communications network for restricting certain communication transactions to specific geographic areas in order to reduce the risk of communications fraud are presented. Initially, a list of communication transactions is stored such that the list includes communication transactions permitted to occur at each of a number of geographic locations. Thereafter, a communications transaction is initiated. In response to an initiation of the communications transaction, a geographic location of an originator of the communications transaction is determined. Next, the list of communication transactions is automatically scanned for communication transactions permitted to occur at the geographic location. If the communications transaction is not found among the list, the initiation of the communications transaction is thereafter terminated. Alternatively, if the communications transaction is found among the list, the communications transaction is thereafter permitted to continue. The geographic location can include a cell or cells maintained within the communications network.

Title
Method and system in a wireless communications network for providing toll restrictions based on the geographic location of an originator
Application Number
8/890233
Publication Number
5995823
Application Date
July 9, 1997
Publication Date
November 30, 1999
Inventor
Gary Boyd Stephens
Allen
TX, US
Agent
Andrew J Dillon
John D Crane
Assignee
Nortel Networks Corporation
CA
IPC
H04Q 00/00
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