A method and device for implementing IMS multi-public user identification services for non-IMS terminals
A public user identification and terminal technology, applied in the field of communication networks, can solve the problems of non-IMS terminals unable to register, unable to enjoy IMS multiple public user identification services, and non-disclosure, etc.
Inactive Publication Date: 2016-02-03
ALCATEL LUCENT SAS
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Problems solved by technology
Through the MGCF, non-IMS terminals can access the IMS network, and non-IMS terminals can make calls with IMS terminals. However, non-IMS terminals cannot register in the IMS network, that is, they cannot be assigned IMS public user identities. Unable to enjoy the IMS multi-public user identity service
[0006] The US patent application US20070195805 introduces a method for connecting non-IMS terminals to the IMS network, so that non-IMS terminals can register with the IMS network and assign a default public user identity, but the patent application does not disclose how to IMS terminals are assigned multiple IMS public user identities, and there is no disclosure and no way to deduce how to implement IMS multiple public user identity services for non-IMS terminals
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[0021]In the present invention, a mapping table needs to be set in advance in the system to store one IMS private user ID, multiple IMS public user IDs and their index codes corresponding to non-IMS terminals. The mapping table can exist in a separate database, or in an existing data storage device, such as HLR (Homelocation Register, Home Location Register), HSS (Home Subscriber Server, Home Subscriber Server) and so on. Taking a PSTN terminal as an example, the implementation form of the mapping table can be as shown in Table 1 but not limited to the form of Table 1. The mapping table records the identifier of the PSTN terminal in the traditional network, the IMS private user identifier corresponding to the PSTN terminal, and the Multiple IMS public user identities corresponding to the PSTN terminal and their index codes. A mapping table can also be composed of multiple data tables.
[0022] PSTN terminal
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IMS Private User ID
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The invention provides a method and a device for realizing IP Multimedia Subsystem (IMS) multiple public user identifier service for a non-IMS terminal. A mapping table is required to be pre-set in a system, and is used for recording a correspondence relationship between an identifier of a non-IMS terminal in a non-IMS network and an identifier in an IMS network. An proxy server is brought into the non-IMS terminal and the IMS network, and the proxy server queries the pre-set mapping table and generates a second type of query message when receiving a first type of request message from the non-IMS terminal, wherein the second type of request message comprises one or more IMS public identifiers corresponding to the non-IMS terminal, and the generated second type of request message is sent to an IMS calling control unit, when the second type of request message from the IMS calling control unit is received, the pre-set mapping table is queried and the first type of request message is generated, wherein the first type of request message comprises one or more index codes of the multiple IMS public user identifiers corresponding to the non-IMS terminal, and the generated first type of request message is sent to the non-IMS terminal.
Description
technical field [0001] The present invention relates to a communication network, in particular to a method and a device for realizing IMS multi-public user identification services for non-IMS terminals in the IMS network. Background technique [0002] In an IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) system, IMS user identities are divided into two types: a private user identity (PrivateUserIdentity) and a public user identity (PublicUserIdentity). The private user identity is assigned by the home domain network operator, and is used for registration, authentication, authorization and billing of user registration, and identifies a terminal device. The private subscriber identity is usually not disclosed to a third party, similar to the IMSI (International Mobile Subscriber Identity, International Mobile Subscriber Identity) number in the GSM (Global System for Mobile communications, Global System for Mobile Communications) network. A public user ID is a user ID i...
Claims
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IPC IPC(8): H04W76/02H04W88/18
Inventor 汪治
Owner ALCATEL LUCENT SAS