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Method for Selecting an S-CSCF Unit Within an IMS-Based Service Communication System
Method for Selecting an S-CSCF Unit Within an IMS-Based Service Communication System
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机译:在基于IMS的服务通信系统中选择S-CSCF单元的方法
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摘要
A serving call session control function unit (S-CSCF) is provided within an IMS-based service communication system in order to register a user of a mobile communication terminal for communication service in a mobile communication system. The IMS-based service communication system has several call session control function units and at least one interrogation call session control function unit (I-CSCF). The mobile communication system is equipped with at least one policy decision point unit (PDP). To select a suitable S-CSCF unit, user information is first determined using a user context server unit that is assigned to the policy decision point unit and network information is determined using a network context server unit. The user information and network information are interlinked in the policy decision point unit (PDP) and user-specific and/or network-specific selection criteria are derived from said information and are taken into consideration to select a suitable S-CSCF unit.
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