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Single-mode business continuous implementation method and single-mode business continuity system

An implementation method and continuity technology, applied in the field of communication, can solve problems such as long call interruption time and prolonged transmission of IMS signaling

Inactive Publication Date: 2014-03-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0050] It can be seen from the above that since the SC AS set in the home network does not anchor the media path, the existing single-mode service continuity implementation method needs to perform an update operation on the remote user in steps 310-311, and The transmission delay of the IMS signaling for the update operation is relatively long, which will cause a long time to wait for the new media path to be established after the CS media is established, thus causing the call interruption time to be too long

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  • Single-mode business continuous implementation method and single-mode business continuity system
  • Single-mode business continuous implementation method and single-mode business continuity system
  • Single-mode business continuous implementation method and single-mode business continuity system

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Embodiment Construction

[0116] The core idea of ​​the present invention is to use the P-CSCF or SC AS as the signaling anchor point and the AGW as the media anchor point to establish an IMS session; when the single-mode service continuity occurs, the P-CSCF or SC AS as the signaling anchor point Interact with the AGW to stop signaling termination through the associated session, update the near end of the media path of the original session, and keep the far end media path unchanged.

[0117] The present invention will be described in detail below with reference to the drawings and embodiments.

[0118] First Architecture Embodiment

[0119] Figure 4 is a schematic diagram of a first architecture embodiment of single-mode service continuity in the present invention, Figure 4 Describes the relevant parts or network elements of the network that realize single-mode service continuity, and the interface or connection relationship between them; the specific description is as follows:

[0120] Related...

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Abstract

The invention relates to a single-mode business continuous implementation method, which comprises the following steps: leading a UE to establish an IMS session anchored to a signaling anchor point with a remote user through a PS network, and transmitting media data of the IMS session through a first media path and a second media path; leading an eMSC to send a call request for switching the IMS session to the signaling anchor point after receiving a switch request which is sent by the PS network and used for switching the IMS session to access through a CS network; leading the signaling anchor point to send a mapping request to an AGW after receiving the call request so as to instruct the AGW to connect a third media path which is newly built for the IMS session between the eMSC and the AGW with the second media path and send a call response to the eMSC; and leading the eMSC to connect the third media path with a CS media path which is newly built for the IMS session between the UE and the eMSC after receiving the call response so as to lead the UE to continue the conversation with the remote user through the CS media path, the third media path and the second media path.

Description

technical field [0001] The invention relates to the communication field, in particular to a single-mode service continuity realization method and a single-mode service continuity system. Background technique [0002] IP Multimedia Core Network Subsystem (IMS for short) is an IP-based network architecture proposed by the 3rd Generation Partnership Project (3GPP for short), which builds an open and flexible service environment, supports multimedia applications, and can provide users with rich multimedia services. [0003] In the IMS service system, the control layer and the service layer are separated, and the control layer does not provide specific services, but only provides necessary functions such as triggering, routing, and charging to the service layer. [0004] The triggering and control functions of services in the control layer are performed by a call session control function (Call Session Control Function, CSCF for short). The call session control function is divid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04W8/08H04W36/14H04W36/18H04W76/02
Inventor 谢振华郝振武陶全军
Owner ZTE CORP