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Method for localizing a subscriber in an ims network

A multimedia subsystem and Internet protocol technology, applied in the transmission system, network data management, digital transmission system, etc., can solve the problems of not knowing the identifier, not being able to restore the user location, and not knowing the access type of the IMS service, etc.

Inactive Publication Date: 2007-08-08
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem that arises is that the IMS services of location-based networks do not know the type of access activated for the user, nor do they know the associated identifier, so they cannot recover the user's location

Method used

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  • Method for localizing a subscriber in an ims network

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0013] The drawing shows an IMS network, which traditionally includes a number of Session Initiation Protocol (SIP) servers, all referred to as Call Session Control Functions (CSCF).

[0014] In particular, the Proxy-CSCF (P-CSCF) is the first point of contact in the IMS network for connection terminals. Additionally, an Interrogating-CSCF (I-CSCF) is used during registration to find a Serving-CSCF (S-CSCF), which is also responsible for identifying the user being registered.

[0015] In addition, in the communication with the S-CSCF, the IMS network includes a data storage device of a Home Subscriber Server (HSS, Home Subscriber Server) type.

[0016] In addition, the accompanying drawing also schematically shows three types of connection entities connected to the IMS network, which are UTRAN / GE RAN for cellular type connection, WLAN for IP type connection and fixed type connection TISPAN.

[0017] For each of the access types, the accompanying drawings show the connected u...

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PUM

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Abstract

The invention relates to a method of locating a user in an IMS type network to which said user can make a connection via a plurality of terminals, said method providing for inserting information at the level of the network P-CSCF function, which information relates to the type of access used by the user making a connection with a terminal, and integrating in said network, location means suitable for storing firstly the P-CSCF information relating to the type of access and secondly the public identity IMPU and the IP address of the user on the basis of the S-CSCF function of said network, whereby said means is suitable for directing in the network a location request to the appropriate location information.

Description

technical field [0001] The invention relates to a method of locating a user in a network of IMS type to which the user can be connected via a plurality of terminals, and also to a network of IMS type with the aid of a terminal, to Different types of access to the network. Background technique [0002] The development of telecommunications has led to an increasing number of users who have one or more terminals, such as mobile phones, computers or personal digital assistants (PDAs), which can ) communication network for communication. [0003] To enable communication between networks operating according to different protocols, a standardized architecture called the Internet Protocol Multimedia Subsystem (IMS) has been developed under the 3GPP standards. [0004] IMS networks use a protocol called the Internet Protocol (IP), which in particular enables the network to transfer information in the form of packets, each packet having a header that gives the IP address of the pack...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04Q7/38H04Q7/22H04L29/06H04L12/28H04W8/08H04W64/00
CPCH04L61/10H04W64/00H04L29/12009H04L29/12188H04L29/12018H04L61/1588H04W8/08H04L65/1016H04L67/18H04L61/00H04L61/4588H04L67/52
Inventor O·迪勒屈C·贝津
Owner ALCATEL LUCENT SAS