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Method and device for transferring session related information

A technology of related information and transfer method, which is applied in the field of transfer method and device of session-related information, can solve problems such as poor user experience, failure to transfer session control rights, and inability to realize media stream transfer function, etc., to achieve the goal of improving user experience Effect

Active Publication Date: 2010-09-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of realizing the present invention, the inventor found that there are at least the following problems in the prior art: in the prior art, the transfer of the media stream or the control right is all for the PS (packet switching) network, and it is impossible to realize the transfer of the CS media. transfer of flow
However, in practical applications, many UEs have both PS and CS capabilities. At present, such UEs cannot implement complete media stream transfer functions, nor can they transfer session control rights to become controller UEs, resulting in poor user experience.

Method used

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  • Method and device for transferring session related information
  • Method and device for transferring session related information
  • Method and device for transferring session related information

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Assuming that UE-1 and UE-2 are local user equipment, UE-1 and UE-2 have real-time media streams media-B and media-A, media-B and media-A respectively with Remote-UE (peer UE) Constitute the current Collaborative Session. Wherein, UE-2 is an SC UE, media-A is a CS media stream, UE-1 is currently a controller UE, and UE-2 is a controller UE.

[0038] This embodiment provides a method for transferring the Collaborative Session Control of UE-1 to UE-2, see figure 1 shown, including the following steps:

[0039]S101. UE-1 initiates a control right transfer request to SCC AS, requesting to transfer Collaborative SessionControl to UE-2, and the request can reach SCC AS through S-CSCF (Serving-Call Session Control Function, Serving-Call Session Control Function entity). The request message can use messages such as refer (reference), re-Invite (re-invite) or Update (update).

[0040] In the request message, a specific message header needs to be carried to indicate the transf...

Embodiment 2

[0069] Assuming that UE-1 and UE-2 are local user equipment, UE-1 and UE-2 have real-time media streams media-B and media-A with Remote-UE respectively, and media-B and media-A constitute the current Collaborative Session . The UE-1 is the SC UE, the current UE-1 is the controller UE, and the UE-2 is the controller UE.

[0070] This embodiment provides a method for transferring media-A of UE-2 to the CS domain of UE-1, see figure 2 shown, including the following steps:

[0071] S201. UE-1 initiates a media stream transfer request to the SCC AS, requesting to transfer media-A to UE-2, and the request can reach the SCC AS through the S-CSCF. The request message can use messages such as refer, re-Invite, or Update.

[0072] In the request message, a specific message header needs to be carried to indicate the transfer operation of the media stream. For example, if the IUT-Transfer (inter-user equipment transfer) message header is used, it is used to indicate the specific messa...

Embodiment 3

[0094] Assuming that UE-1 and UE-2 are local user equipment, UE-1 and UE-2 have real-time media streams media-B and media-A with Remote-UE respectively, and media-B and media-A constitute the current Collaborative Session . The UE-1 is the SC UE, the current UE-1 is the controller UE, and the UE-2 is the controller UE.

[0095] In practical applications, user equipment may switch between access networks with different functions. For example, when a user equipment is switched from a PS1 network that supports VOIP (Voice over Internet Protocol, IP network voice transmission) to a PS2 network that does not support VOIP, it is necessary to transfer the voice service originally carried on the PS1 network to the CS network to ensure service continuity. continuity. For example, when the user equipment is handed over from the WLAN network to the GPRS network, since the GPRS network does not support VOIP, it is necessary to transfer related voice services to the GSM network.

[0096...

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Abstract

The embodiment of the invention discloses a method and a device for transferring session related information. A method for transferring session related information comprises the following steps of: judging whether the media stream of CS (Circuit Switch) is increased or decreased on the main control use equipment controller UE after transferring the session related information; if so, updating the Collaborative Session Control and transferring the session related information, wherein the session related information comprises the collaborative session control or the media stream. By using the technical scheme, the UE with both PS and CS capacities can achieve integrated media stream transfer and become the controller UE to transfer, delete and increase and supplement service for the media stream in collaborative session, thus the user experience is promoted obviously.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a method and device for transferring session-related information. Background technique [0002] IMS (IP Multimedia Subsystem, IP Multimedia Subsystem) is a service network based on IP (Internet protocol, Internet Protocol) exchange, supports voice, video, data and other media services, and can realize the integration of various types of networks. The core technology of the next generation communication network. [0003] In an IMS network, a local user may transmit different media streams on different local UEs (User Equipment, User Equipment), for example, transmit a voice media stream on a fixed phone, and transmit a data media stream on a computer. In this way, there are multiple sessions (sessions) between the local end and the SCC AS (Service Centralization&Continuity Application Server) on the network side, and these sessions are integrated by the SCC AS into a Colla...

Claims

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Application Information

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IPC IPC(8): H04W36/14
Inventor 金辉龙水平段小嫣
Owner HUAWEI TECH CO LTD
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