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Roaming control method and system for accessing to IP multimedia subsystem network through SBC

A multimedia subsystem and roaming control technology, which is applied in the transmission system, network data management, digital transmission system, etc., can solve the problems of being unable to judge the user's roaming status and unable to control the user's roaming, so as to avoid the abuse of network resources and improve user experience , the effect of increasing loyalty

Active Publication Date: 2010-12-08
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology

[0011] In this networking mode, since all IMS core network elements in the entire network belong to one domain, especially the P-CSCF always exists in this domain, and only The network identifier of the P-CSCF, so that when the user accesses the IMS in any visiting place, after the registration request message initiated by the user reaches the P-CSCF through the SBC, the P-CSCF inserts the P in the registration request message sent to the I-CSCF -Visited-Network-ID header field cannot reflect the actual location information of the user, so the IMS network cannot judge the roaming status of the user based on the network identifier of the P-CSCF, and cannot control the roaming of the user

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  • Roaming control method and system for accessing to IP multimedia subsystem network through SBC
  • Roaming control method and system for accessing to IP multimedia subsystem network through SBC
  • Roaming control method and system for accessing to IP multimedia subsystem network through SBC

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Embodiment Construction

[0050] The present invention provides a roaming control method for fixed access to the IMS system. By increasing the functions of SBC and P-CSCF, the roaming of fixed users can be controlled under the networking conditions where the IMS core network elements are centrally set and SBCs are distributed. Take control.

[0051] 3GPP TS 23.008 defines the user data "List of authorized visited network identifiers" stored in the HSS as a list of network identifiers that users are allowed to visit, but it does not specify how to allocate the network identifiers in the list. Generally, the network identifier of the P-CSCF is stored in the list, but in the above networking mode, the P-CSCF only exists in the home network, so the HSS cannot distinguish the roaming of the user according to the network identifier of the P-CSCF. In this solution, according to the allowed roaming places signed by the user, such as Shanghai and Guangzhou, the network identifier of the SBC in the corresponding...

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Abstract

The invention relates to a roaming control method access to IMS through SBC. One or more network marks of a conversational boundary control network element allowing the access of the users is added in a network marking list allowing the access of the users, then in the conversational boundary control network element, a P-Visited-Network-ID head domain is inserted in the register request message of the IP of users multimedia subsystem transferred to an agent conversation control network element, and the network mark of the conversational boundary control network element is filled in the head domain. The agent conversation control function network element processes the register request message and then carries out the subsequent register processes. The invention can carry out the roaming control access to IMS through SBC, control the roaming behavior of the users, prevent users from using network exceeding the authority and avoid abusing network resources.

Description

technical field [0001] The invention relates to an IMS network, in particular to a roaming control method and system for accessing the IMS network through an SBC. Background technique [0002] IP Multimedia Subsystem (IP Multimedia Subsystem, IMS) was first proposed by 3GPP (3rdGeneration Partnership Project, Third Generation Partnership Project) in its standard series R5, which is based on PS (Packet Switching, packet switching) domain to provide IP multimedia business subsystems. Subsequently, IMS has gradually become the core technology for network convergence and service convergence. -GSI (Next Generation Network Global Standards Initiative, NGN Global Standards Initiative), ETSI (Europe Telecommunications Standards Institute European Telecommunications Standards Institute) TISPAN (Telecommunication and Internet converged Services and Protocols for Advanced Networking, telecommunications and Internet converged services and advanced network protocols) and other internati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W88/08H04W8/02H04L12/56H04L12/28H04W8/06H04L29/06H04W8/08H04W8/12H04W76/02
Inventor 张智江王明会杨征冯治钢曾进谢昆唐军马红兵陈国利刘宝庆陈勋符刚朱爱华
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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