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Method, system and device of location dailing terminal in call-back service

A terminal and service technology, applied in the network field, can solve problems such as the inability to locate the calling terminal that initiates a call back, and achieve the effect of optimizing user experience and enriching application scenarios

Inactive Publication Date: 2009-07-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] The present invention provides a method for locating a calling terminal in a callback service, a callback system, an application server, a P-CSCF and a terminal, so as to solve the problem that the caller who initiates the call cannot be located in the case of multiple calling terminals. terminal problem

Method used

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  • Method, system and device of location dailing terminal in call-back service
  • Method, system and device of location dailing terminal in call-back service
  • Method, system and device of location dailing terminal in call-back service

Examples

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example 1

[0055] System example 1: Comparing the callback identifiers in the calling terminal.

[0056] see figure 2 As shown, it includes: the calling terminal connected in sequence, the calling side proxy call session control function entity P-CSCF, the calling side application server AS, and the called side network element; the calling terminal includes a callback identifier The comparison unit is the terminal of the present invention; the calling side AS includes a callback identifier generation unit, and further includes a deletion unit connected to the callback identifier generation unit, and a second deletion unit respectively connected to the deletion unit The comparison unit and the timing unit are the AS of the present invention. Each unit in the AS is not limited to be set in the AS, and can also be set in a network-side entity that participates in forwarding corresponding messages.

[0057] The callback identifier generating unit is configured to generate a corresponding ...

example 2

[0062] System Example 2: Comparing callback identifiers is completed in the P-CSCF of the proxy call session control function entity at the calling side.

[0063] see image 3 As shown, it includes: the calling terminal connected in sequence, the calling side proxy call session control function entity P-CSCF, the calling side application server AS, and the called side network element; the calling side P-CSCF includes The callback identification comparison unit, that is, the P-CSCF of the present invention; the calling side AS includes a callback identification generation unit, and further includes a deletion unit connected to the callback identification generation unit, and respectively connected to the deletion The second comparison unit and the timing unit connected to the unit are the AS of the present invention. Each unit in the AS is not limited to be set in the AS, and can also be set in a network-side entity that participates in forwarding corresponding messages.

[0...

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Abstract

The invention discloses a method for locating a calling terminal in a callback service, a callback system, an application server, a P-CSCF and a terminal, which are used to solve the problem that the caller initiating the call cannot be located in the case of multiple calling terminals. The problem is called terminal. The method of the present invention is applied to the situation that multiple calling terminals share an external user identity, and includes the following steps: A. After receiving the call-back service registration request sent by the calling terminal, the network side generates a call-back identifier and issues it; B. When the callback is allowed, locate the callback notification message to the corresponding calling terminal according to the callback identifier.

Description

technical field [0001] The present invention relates to the network field, in particular to a method for locating a calling terminal in a callback service, a callback system, an application server, a proxy call session control function entity P-CSCF and a terminal. Background technique [0002] IMS is the core subsystem of the next generation network (NGN). It adopts the packet domain as the bearer channel for upper-layer control signaling and media transmission, introduces SIP protocol as the service control protocol, and utilizes the characteristics of simplicity, easy expansion, and convenient media combination of SIP. Provide rich multimedia services by separating service control from bearer control; the main functional entities in IMS include the call control entity CSCF that controls functions such as user registration and session control, the application server AS that provides various business logic control functions, and centralized management Home subscriber server...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M3/48
Inventor 赖昊施有铸王鹏
Owner HUAWEI TECH CO LTD