Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-08-29
2006-08-29
Tran, CongVan (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S435100, C455S433000, C455S404200
Reexamination Certificate
active
07099675
ABSTRACT:
The invention relates to a location update procedure in a mobile communications system (150) having at least one first communications service domain (100) and at least one second communications service domain (110). The mobile subscriber (140) is allowed to register in said first communications service domain. A location update request is received at a network element (170) of the communications system, and a subscription restriction information is received at this network element, said subscription restriction information indicating, whether a roaming restriction for a roaming into the second communications service domain applies for the mobile subscriber. The subscription restriction information is evaluated, and the location update procedure is performed depending on the evaluation. The invention relates further to a corresponding network element (170), home subscriber data register (160), user equipment (140) and computer program.
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TS 24.008 V3.2.1 (Jan. 2000), 3rdGeneral Partnership Project; Universal Mobile Telecommunications System; Mobile Radio Interface layer 3 specifications, Core Network Protocols—Stage 3 (TS 24.008 version 3.2.1).
Keutmann Heinz-Peter
Kobriger Peter
Telefonaktiebolaget LM Ericsson (publ)
Tran CongVan
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