Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-06-20
1999-02-16
Urban, Edward F.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455445, 455432, H04Q 720
Patent
active
058730427
ABSTRACT:
A system and method of simultaneously paging a mobile station from a plurality of mobile switching centers (MSCs) in a radio telecommunications network without utilizing a home location register is disclosed. The system and method may be utilized to more rapidly locate a mobile station operating in a roamer port region covered by a plurality of MSCs. When a roamer port call is received in a first MSC in which the roamer port is defined, the first MSC begins paging for the mobile station while simultaneously sending a plurality of paging request messages to each of the other MSCs in the roamer port region. The paging request messages include an indication that the call is a roamer port call, and an indication of the Local Access and Transport Area (LATA) in which paging is requested. Each MSC receiving one of the paging request messages immediately begins paging the mobile station in parallel with other receiving MSCs. If no page response is received, the unsuccessful MSC returns a no response return result message to the first MSC. If a page response is received, the successful MSC returns a routing number for the mobile station in a return result message to the first MSC. The first MSC then routes the roamer port call to the successful MSC.
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Gesesse Tilahun
Smith Steven W.
Telefonaktiebolaget LM Ericsson
Urban Edward F.
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