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Method and device for call processing in the phone service continuity

A voice service and call processing technology, applied in the field of communication, can solve the problems of extending connection delay, inconsistent service processing, affecting user experience, etc., and achieve the effect of shortening connection delay

Inactive Publication Date: 2007-07-11
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0042] The present invention provides a method and device for processing calls in voice service continuity, so as to solve the problems caused by the need to transfer called information through asynchronous interaction when a user who has signed a VCC service in the prior art initiates a call on a network that does not support the CAMEL capability. The existing problem of prolonging the connection delay; further, solving the problem of inconsistent processing of other services under the VCC service or affecting user experience

Method used

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  • Method and device for call processing in the phone service continuity
  • Method and device for call processing in the phone service continuity
  • Method and device for call processing in the phone service continuity

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Embodiment Construction

[0082] In the process of realizing the static anchor point of the voice service continuity service, in order to enable the VCC service user to initiate a call in the circuit domain that does not support CAMEL, the application server (AS) with the CCCF function can obtain the session request message corresponding to the call message To obtain the called user information, the present invention simultaneously carries the CCCF PSI with the CCCF function and the real called party information in the call signaling (setup message) sent by the user equipment, and transmits it to the AS with the CCCF function in the IMS domain through the CS domain After anchoring, the called information is obtained directly from the session establishment request message, and the session is routed to the called side for connection.

[0083] Furthermore, the network device at the visited location can normally perform local services such as emergency call service or lawful interception according to the re...

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Abstract

This invention discloses one method to process calls in sound business continuous process, which comprises the following steps: in sending calls in circuit area, taking continuous control function public business label and called user information in calls; converting the circuit area calls into the dialogue require information composed of CCCF PSI and called user information dialogue with CCCF function to get the called information and to process anchor control. This invention also discloses one terminal device composed of call signal generation module and receives and send module.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a method and device for processing calls in voice service continuity. Background technique [0002] IP Multimedia Subsystem (IMS) is a subsystem superimposed on the existing packet domain in the WCDMA network added in the 3GPP R5 stage. The packet domain is used as the bearer channel for upper layer control signaling and media transmission, and the SIP protocol is introduced as The service control protocol utilizes the characteristics of SIP's simplicity, easy expansion, and convenient media combination to provide rich multimedia services by separating service control from bearer control. The main functional entities in the IMS include the session control entity CSCF that controls functions such as user registration and session control, the application server AS that provides various business logic control functions, the home subscriber server HSS that centrally manages use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04Q7/32H04W4/16H04W8/08H04W8/28
Inventor 朱东铭段小琴
Owner HUAWEI TECH CO LTD
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