Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2002-12-26
2008-08-05
Appiah, Charles N (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
Reexamination Certificate
active
07409210
ABSTRACT:
A method of controlling roaming in a mobile system (3) comprising at least two networks (5and6), which can offer a subscriber (1) attached to the system a circuit-switched and a packet-switched connection, comprising the steps of checking, when a subscriber attempts to attach to the mobile system, separately for each network (5and6) comprised by the mobile system (3), from a first network element (HLR) comprising the subscriber's roaming right data if the subscriber (1) is entitled to roam that particular type of network of that particular mobile system, and allowing or denying the subscriber's roaming in each network (5and6) of the mobile system (3) separately on the basis of said check.
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Appiah Charles N
Doan Kiet
Nokia Corporation
Squire Sanders & Dempsey L.L.P.
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