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Method for talking caller identification display in communication system

A communication system, time-based technology, applied in transmission systems, digital transmission systems, devices called number recording/indicating the calling user number, etc. Inheriting problems such as poor user experience to achieve the effect of a good experience

Inactive Publication Date: 2007-03-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The reason for this situation is that the SIP INVITE message indicates an initial request for a call session, but the called terminal device does not know the service subscription and application status of user B, that is, it does not know whether user B has activated the call session Waiting service, whether it has the CID service authority in the call state, so when it receives a new incoming call (SIP INVITE message) for user B, and the terminal device is already in the call state at this time, it will The incoming call may be rejected because it cannot be handled (that is, it does not know how to handle it), resulting in poor user experience in terms of business inheritance

Method used

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  • Method for talking caller identification display in communication system
  • Method for talking caller identification display in communication system
  • Method for talking caller identification display in communication system

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] Fig. 2 shows the CID method during a call in the communication system according to the first embodiment of the present invention, which is applicable to the packet core network using SIP as the call control signaling. The logical structure of this packet core network is shown in Fig. 1, mainly Including service control node, call control node, access control node, SIP user agent node, user media conversion node, traditional terminal and SIP terminal. It can be seen that in addition to SIP terminals, the packet core network using SIP as call control signaling also supports traditional terminals such as PLAIN OLD TELEPHONE SERVICE (POTS) terminals, Integrated Services Digital Network (ISD) Network, referred to as "ISDN") terminal access.

[0037] Each compon...

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Abstract

This invention relates to main call identification display technique and discloses one communication system dialogue main display method, which uses SIP as call control signal set network to get new call display at dialogue status. When receiving INVITE information, business control unit judges called user terminal to satisfy dialogue status CID business transfer condition, if yes then sending CID business label information to called user terminal; the called user terminal or SIP agent point is applied into CID business.

Description

technical field [0001] The present invention relates to caller identification and display technology, in particular to a method for realizing caller identification and display in a packet core network using Session Initation Protocol (SIP) as call control signaling. Background technique [0002] With the rapid development of microelectronic technology and computer technology, switching technology has achieved unprecedented development. The traditional telecommunication network based on circuit switching technology is developing into a broadband telecommunication network based on packet switching. [0003] This is because circuit switching technology is mainly suitable for transmission and voice-related services, and this network switching method has great limitations for data services. Packet switching technology is a switching method proposed for the characteristics of data communication services. Its basic feature is that it adopts a store-and-forward method for connection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04M1/57H04M3/42
Inventor 施有铸
Owner HUAWEI TECH CO LTD
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