专利名称：S-CSCF assignment and user profile
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发明人：Shen, Jiadong, Dr.
申请号：EP05022146.4
申请日：20051011
公开号：EP1775902A1
公开日：
20070418
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摘要：The invention concerns a method for assigning a Serving-Call Session Control Function (S-CSCF) to a user of a telecommunication network using an Internet Protocol
Multimedia Subsystem (IMS), for which user a Serving-Call Session Control Function (S-CSCF) of the telecommunication network is not yet assigned, wherein an application server (AS) of the telecommunication network sends (1) a request, asking which Serving-Call Session Control Function (S-CSCF) is assigned to the user, to a user register (HSS) storing information (S-CSCF addresses) concerning registered users and Serving-Call Session Control Function (S-CSCF) addresses, wherein when the user register (HSS) detects that it does not find an address of a Serving-Call Session Control Function (S-CSCF) that is assigned to the user, it (HSS) informs (2) the application server (AS) about this, wherein then the application server (AS) sends (3a+3b or 3) a request (dummy request) to an Interrogating Call Session Control Function (I-CSCF), wherein this request causes the Internetprotocol Multimedia Subsystem (IMS) to assign a Serving-Call Session Control Function (S-CSCF) to the user, and an address of the Serving-Call Session Control Function (S-CSCF) assigned for the user is stored in the user register (FISS), wherein the application server (AS) then sends (2) a further request for identification of an address of a Serving-Call Session Control Function (S-CSCF), which Serving-Call Session Control Function (S-CSCF) is assigned to the user, to the user register (HSS), wherein the us
er register (HSS) then returns (3) to the application server (AS) the address of the Serving-Call Session Control Function (S-CSCF) which was assigned to the user, wherein then the application server (AS) sends a request (SIP) to the Serving-Call Session Control Function (S-CSCF) using the address received from the user register (HSS).
申请人：SIEMENS AKTIENGESELLSCHAFT
地址：Wittelsbacherplatz 2 80333 München DE
国籍：DE
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