Method for realizing the channel associated signaling status compatibility under the NGN architecture

A channel-associated signaling and consistency technology, applied to electrical components, transmission systems, etc., can solve problems such as increased call loss rate and unsuccessful call connection

Inactive Publication Date: 2010-01-06
HUAWEI TECH CO LTD
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Problems solved by technology

[0008] In order to overcome the problem that the call connection fails and the call loss rate increases due to the inconsistency of the channel-associated signaling state under the existing NGN architecture, the present invention provides a method for realizing the consistency of the channel-associated signaling state under the NGN architecture. This method can reduce the failure of call connection caused by the inconsistency of channel-associated signaling state, and improve the call completion rate

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  • Method for realizing the channel associated signaling status compatibility under the NGN architecture

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Embodiment Construction

[0066] see figure 1 The method for realizing the state consistency of channel-associated signaling under the NGN architecture of the present invention comprises the following steps:

[0067] A. The device entity media gateway controller MGC or media gateway MGW judges that the states of the associated signaling circuits of the MGC and MGW are inconsistent;

[0068]B. For non-call attribute channel-associated signaling circuit state inconsistency, the equipment entity (MGC or MGW) that judges the inconsistency judges the flow direction of the state attribute information, if the state attribute information flows from the peer end to the local end, the local device directly modifies the status attribute to be consistent with the peer end. If the status attribute information flows from the local end to the peer end, the local device notifies the peer end that it needs to modify its status attribute to be consistent with the local end. The attribute remains unchanged; for the chan...

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Abstract

The related method for realizing uniform state of channel associated signaling in NGN framework comprises: A. equipment entity (EE) decides the associated signaling circuits of MGC and MGW are not uniform; and B. to non-calling-attributive nonuniform, EE decides the state attributive message flow direction, and changes local / opposite end uniform with as opposite / local end if the flow direction is from opposite / local end to local / opposite end; to calling-attributive nonuniform, if MGC decision is nonuniform, it directly initiates state initiation; if MGW decision is nonuniform, it reports MGC for state initiation. This invention improves calling complete rate.

Description

technical field [0001] The present invention relates to NGN (Next Generation Network, next generation network), in particular to a method for realizing state consistency of channel-associated signaling under the NGN framework. Background technique [0002] NGN is a network in which service control and bearer media are separated. The service control part is called MGC (Media Gateway Controller, Media Gateway Controller), and the bearer part is called MGW (Media GateWay, Media Gateway). Most of the interfaces between MGC and MGW use the H.248 protocol. [0003] Channel-associated signaling is a kind of inter-office signaling used to transmit control signals between switching devices. The signaling information is transmitted on the corresponding voice channel, or on the fixed channel corresponding to the voice channel. R2 (Regional System No.2, R2 channel-associated signaling system) signaling is one of the most widely used channel-associated signaling. It is an international ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/02H04L29/06
Inventor 林铭李云惠
Owner HUAWEI TECH CO LTD
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