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Method for channel allocation in QSIG system

A channel allocation and information channel technology, applied in the transmission system, data exchange through path configuration, electrical components, etc., can solve the problem that the B channel can no longer be used, and achieve the effect of ensuring effective and full utilization and improving flexibility

Inactive Publication Date: 2009-01-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to make up for the defect in the prior art that when there is a problem in the processing of a certain D channel between the two parties, the B channel on this physical line can no longer be used, and a channel in the QSIG system is proposed. distribution method

Method used

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  • Method for channel allocation in QSIG system
  • Method for channel allocation in QSIG system
  • Method for channel allocation in QSIG system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Embodiment one: if Figure 5 As shown, a channel allocation process in a QSIG system includes the following steps:

[0034] 1) The calling party selects the information channel B1 expected by the calling party from all available information channels connecting the calling party and the called party, and sends a connection establishment request to the called party through the signaling channel, and the request includes the calling party The number information of the B1 information channel expected by the calling party, wherein the signaling channel is to select a specific channel in the information channel group according to the needs, and in this example it is assumed that the signaling channel D1 is selected.

[0035] 2) The called party receives the information and determines the information channel expected by the called party. The specific steps are: judge whether the selected B1 information channel is available, and if available, use the information channel B1 expe...

Embodiment 2

[0037] Embodiment two: if Figure 6 As shown, the difference from Embodiment 1 is that in step 2), it is judged that the selected B1 information channel is unavailable, and if the B1 information channel is occupied or damaged, then step 4) is performed:

[0038] 4) Select an available information channel B2 from the information channels connected to the calling party as the desired information channel of the called party. And the number of the selected B2 information channel is carried in the response returned by the called party to the calling party. If the calling party agrees, the information channel B2 will be used as the information channel for the communication between the calling party and the called party. If the calling party does not agree, the call will be released directly and the call will be terminated.

[0039] According to the above-mentioned embodiment, it can be known that the call signaling message is transmitted on D1. If the B1 channel has been occupied o...

Embodiment 3

[0040] Embodiment three, such as Figure 7 As shown, a channel allocation process in a QSIG system includes the following steps:

[0041] 31) The calling party selects the information channel B2 expected by the calling party from all available information channels connecting the calling party and the called party, and sends a connection establishment request to the called party through the signaling channel D1, and the request includes The number information of the B2 information channel expected by the calling party.

[0042] 32) The called party receives the information and determines the information channel expected by the called party. The specific steps are: judge whether the selected B2 information channel is available, and if available, use the information channel B2 expected by the calling party as the information channel expected by the called party. The information channel expected by the calling party, the called party returns a response to the calling party, and c...

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Abstract

The related channel allocation method in QSIG system comprises: 1. the calling side selects the desired message channel from all available channels between it and the called side, and sends request containing the desired channel to build connection; 2. the called receives the request, determines the desired channel for itself, and returns response containing the called-side desired channel through the channel; and 3. the calling side receives the response and uses the called-side channel as the primary channel. Wherein, when the D-channel of some physical line fails, it can continue to use other D-channel for signaling interaction, and selects the B-channel on this physical line for communication.

Description

technical field [0001] The invention relates to a digital information transmission method, in particular to an information channel allocation method in a QSIG system. Background technique [0002] QSIG (Q Interface Signaling, a unified international enterprise network signaling standard, referred to as QSIG) signaling is proposed by the ECMA (European Computer Manufacturers Association, referred to as ECMA) European Computer Manufacturers Association. A signaling standard. figure 1 It is a schematic diagram of the network application of the QSIG protocol. QSIG mainly provides the intercommunication functions of telephone and various integrated services among various PINX (Private Integrated services NetworkExchange, PINX) private integrated service network switches in the PISN (Private Integrated Services Network, PISN for short). [0003] QSIG was first developed by referring to the ISDN (Integrated Service Digital Network, ISND) integrated service digital network of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L29/06H04Q7/38
Inventor 王海峰雷卓辉潘能毅汪碧海
Owner HUAWEI TECH CO LTD
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