Method for obtaining network protocol multi-media subsystem terminal accessing-point information
A multimedia subsystem and access point information technology, applied in the transmission system, user identity/authority verification, electrical components, etc., can solve problems such as tariff loss, network failure, and terminal incorrectly filling in access point information
Active Publication Date: 2011-03-02
CHINA MOBILE COMM GRP CO LTD
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Problems solved by technology
[0007] 1. The network cannot know the real location of the user, and cannot use the location information to carry out a series of business applications;
[0008] 2. In some areas (such as offices) where communication tariffs are discounted, the terminal may intentionally tamper with access point information to obtain tariff discounts that it should not enjoy;
[0009] 3. The terminal incorrectly fills in the access point information, resulting in unnecessary tariff loss, or the network cannot find the terminal and cannot provide services for users
Method used
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[0022] The present invention uses an 802.3 local area network (LAN for short) as the implementation environment, and user terminals accessing the network may not necessarily be able to obtain the coded information of the access point, and other networks in this type of access network are also used as the implementation environment.
[0023] figure 2 It is a network structure diagram of the network protocol multimedia subsystem of the present invention, wherein the user information management module is responsible for storing user-related information, including which call / session control function module currently provides services for the user; the call / session control function module is responsible for storing Access point information of the user terminal, providing call / session control functions for the user, and providing billing information for the call / session; the session border control module is responsible for the SIP reported by the terminal from the connectivity acces...
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The method includes steps: after receiving conversational initial message sent from user terminal, Internet protocol multimedia subsystem (IMS) carries verification for information at access point; if verification is passed, then, the network side of IMS provides network service for user terminal; otherwise, not to provide network service, recording this event, and ending conversation. The technical scheme ensures that information at current terminal access point IMS obtained is true. Terminal is unable to tamper information at access point wittingly. Even if terminal fills error information at access point, network can also find terminal to provide service for users.
Description
technical field [0001] The present invention relates to a method for obtaining access point information of an Internet Protocol Multimedia Subsystem (Internet Protocol Multimedia Subsystem, IMS) terminal, especially a method for obtaining real information of the access point where the terminal is currently located. Background technique [0002] With the gradual arrival of the 3G era, users have higher expectations for mobile communications. Users not only require stable voice communication, but also require the ability to communicate in multiple ways such as video and data. In response to these demands, combined with the existing technical conditions, the 3rd Generation Partnership Project (3GPP), which belongs to the leading 3G technical specification organization, formulated the IMS technical standard. It separates control and application, and is independent of network access methods and terminal equipment types; it focuses on promoting service innovation, enabling operat...
Claims
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IPC IPC(8): H04L29/06H04L9/32H04L29/12
Inventor 欧阳聪星王兵赵毓毅杜倩魏强魏冰黄宇红
Owner CHINA MOBILE COMM GRP CO LTD