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System, switch and method for reselecting call arbitration node failure routing

A technology for calling arbitration nodes and switches, which is applied to the selection device, transmission system, digital transmission system and other directions of multiplexing systems, and can solve problems such as inability to establish calls.

Inactive Publication Date: 2008-09-03
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, if this switch is called as the BICC CMN and the failed routing reselection mechanism in the prior art is used, it may result in a control bearer for the outgoing call, but no control bearer for the incoming call, which is different from the BICC itself. The described call setup model conflicts, preventing the call from being setup

Method used

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  • System, switch and method for reselecting call arbitration node failure routing
  • System, switch and method for reselecting call arbitration node failure routing
  • System, switch and method for reselecting call arbitration node failure routing

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] figure 1 It is a schematic flowchart of an exemplary method for reselecting a failed route of a BICC CMN according to an embodiment of the present invention. Such as figure 1 As shown, this exchange office (abbreviated as this office) is used as BICC CMN, and the method includes:

[0038] Step 101: Pre-configure the outbound route failure cause value, the designated route, and the corresponding relationship between the outbound route failure cause value and the designated route on the switching office serving as the BICC CMN.

[0039] Step 102: When the outbound route fails, the switching office serving as the BICC CMN obtains the outbound route failure cause value, and connects the outgoing call to the specified route accord...

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Abstract

The embodiment of the invention discloses a method for reelecting route after the calling of a bearer independent call control protocol (BICC) on a arbitration node (CMN) fails. The method comprises: pre-allocating a failure cause value, the assigned route of the outgoing route and the corresponding relation of the failure cause value and the assigned route on an exchange as a BICC CMN; when the outgoing route fails, the exchange as the BICC CMN obtains the failure cause value of the outgoing route and connects a communication passage with the assigned route according to the corresponding relation of the failure cause value and the assigned route. A BICC CMN outgoing route reelecting system and an exchange are further disclosed in the invention, thereby, the local exchange as the BICC CMN can reelect a new outgoing route after the failure of the outgoing route so as to successfully set up call.

Description

technical field [0001] The present invention relates to the technical field of call control protocol (BICC) independent of bearer, more specifically, the present invention relates to a BICC call mediation node (CMN) failure route reselection method, switch and system. Background technique [0002] Bearer Independent Call Control Protocol (BICC, Bearer Independent Call Control Protocol) is a bearer-independent call control protocol developed by the ITU-TSG11 group. The main purpose of the BICC protocol is to solve the problem of separation of call control and bearer control, so that call control signaling can be used in such as message transfer part (MTP), SS7 network, asynchronous transfer mode (ATM) network, Internet Protocol (IP) network and so on. hosted on various networks. [0003] The BICC protocol evolved from the ISDN User Part (ISUP), and is an important supporting tool for the evolution of traditional telecommunication networks to integrated multi-service networks...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06
CPCH04Q2213/13176H04Q2213/13145H04Q3/66H04M7/063H04Q2213/13141H04Q2213/13196
Inventor 徐旭东朱浩鹏
Owner HUAWEI TECH CO LTD
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