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Method and system for realizing bearer control

A technology of bearer control and implementation method, which is applied in the transmission system, connection management, wireless communication, etc., and can solve problems affecting calls and call loss, and achieve the effect of avoiding call loss and ensuring calls

Active Publication Date: 2011-04-27
上海大极通讯科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, message hedging is a normal phenomenon in a network using Session Initiation Protocol (SIP) messages, and if bearer control releases bearer resources at this time, unnecessary call loss will be caused, thus affecting normal calls

Method used

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  • Method and system for realizing bearer control
  • Method and system for realizing bearer control
  • Method and system for realizing bearer control

Examples

Experimental program
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Embodiment Construction

[0042] figure 2 It is a flow chart of the implementation method of bearer control in the present invention, such as figure 2 shown, including the following steps:

[0043] Step 200: During the call, the upper node that triggers bearer control receives a failure response message.

[0044] In this step, the failure response messages include failure response messages such as 3xx, 4xx, 5xx, 6xx, etc. The characteristics of these failure response messages are that part of the failure response messages can release the call and bearer resources, while the other part of the failure response messages only indicates that the request failure, and bearer resources cannot be released.

[0045] Further, in addition to the failure response message, it may also include receiving a Cancel message.

[0046] Step 201: The upper point that triggers the bearer control decides whether to trigger the bearer control execution point to release the bearer resources according to the nature of the f...

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PUM

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Abstract

The invention provides a method and a system for realizing bearer control. The method comprises the following steps of: during a conversation, triggering an upper point of the bearer control to receive a failure response message; deciding whether to trigger an execution point of the bearer control to release a bearer resource or not according to the property of the failure response message. Through the method, the execution point of the bearer control only releases the bearer resource only for the failure response message which can release calling and bearer resources, so that call loss phenomenon is avoided and normal conversation is ensured.

Description

technical field [0001] The present invention relates to bearer control technology, in particular to a method and system for realizing bearer control after a media switching request fails. Background technique [0002] According to existing 3GPP regulations, after a user terminal (UE) enters a talking state, if the bearer control node receives BYE, Cancel, or any 3xx, 4xx, 5xx, or 6xx failure response messages, it will release bearer resources. Among them, the function of BYE is to request to release the session (call); the function of Cancel is to request the peer end to send a 4xx failure response to end the original request (such as Re-INVITE). [0003] Theoretically, 3xx, 4xx, 5xx, 6xx failure response messages can only be regarded as the failure of the request message and the media switching in the request, but not the failure of the entire call. From the nature of the failure response messages, some of the failure response messages can release the call and bearer resou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/00
CPCH04L65/1083H04W76/06H04L29/06353H04L65/80H04L29/06523H04W76/30
Inventor 高扬
Owner 上海大极通讯科技有限公司
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