Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-02-20
1998-09-29
Cumming, William
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455414, 455415, 455422, 455435, 379207, 379196, H04Q 724, H04M 164
Patent
active
058158081
ABSTRACT:
A screening list for a specific location within a mobile telecommunications system is assigned to a mobile subscriber. If the mobile subscriber is served by a Mobile Switching Center of that location, all originating and terminating calls are screened against the allowed directory numbers that have been stored in the screening list. If there is a match, telecommunications service is selectively provided. Otherwise, access is denied. A single mobile station can have separate screening lists for different locations within a mobile telecommunications system. Accordingly, a different screening list can be assigned to a Local Access and Transport Area, Network Area, Location Area and Cell Area within a mobile telecommunications system.
REFERENCES:
patent: 5200995 (1993-04-01), Gaukel et al.
patent: 5467388 (1995-11-01), Redd, Jr. et al.
patent: 5471519 (1995-11-01), Howe et al.
patent: 5473671 (1995-12-01), Partridge, III
Cumming William
Ericsson Inc.
Gelin Jean A.
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