| 摘要 |
A method of controlling roaming in a mobile system ( 3 ) comprising at least two networks ( 5 and 6 ), 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 ( 5 and 6 ) 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 ( 5 and 6 ) of the mobile system ( 3 ) separately on the basis of said check.
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