Method and device for registering user terminal in IMS (IP multimedia subsystem) network
A user terminal and network registration technology, applied in electrical components, wireless communication, transmission systems, etc., can solve the problems of increasing the cost of network deployment, the complexity of network topology, and the inapplicability of IMS user terminals
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[0021] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] figure 1 Shows a schematic diagram of a network topology based on an IP Multimedia Subsystem (IMS, IP Multimedia Subsystem) architecture according to a specific embodiment of the present invention. A session control function entity (P-CSCF, proxy-call session control function) 21, the network 30 is the home network of the user terminal 10, which includes an inquiry-call session control function entity (I-CSCF, interrogating-call session control function) 31, affiliation A subscriber server (HSS, home subscriber server) 32 , a serving-call session control function entity (S-CSCF, serving-call session control function) 33 and a service platform (SP, Service Platform) 34 .
[0023] Figure 2(a) is the UML model of the User Profile defined in 3GPP TS 29.228. The IMS Subscription class includes a parameter of the private user identification ...
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