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Method and communication network domains for interconnection between domains

A technology of inter-domain intercommunication and communication network, applied in the field of method and its communication network, inter-domain intercommunication, can solve problems such as the inability to establish media sessions, and achieve the effect of quality assurance

Active Publication Date: 2006-11-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention provides a method for inter-domain intercommunication and its communication network, so as to solve the problem that a media session cannot be established by using the existing technology in a scenario where the signaling bearer network can communicate end-to-end but the media bearer network cannot directly communicate with each other

Method used

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  • Method and communication network domains for interconnection between domains
  • Method and communication network domains for interconnection between domains
  • Method and communication network domains for interconnection between domains

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Embodiment Construction

[0027] In the actual network of the operator, because the entity at the session control level has large capacity and many functions, the number is relatively small. At the same time, the security and reliability requirements of the signaling network are higher than that of the media bearer network. Therefore, the operator will set up one A large cross-regional session control network, this network is fully interoperable; and the media bearer operator may be a different operator from the operator at the session control plane. At the same time, there are many media bearer network equipment, the network is very large, and the network traffic is also very large. Very large, it may be operated and managed by multiple operators, and the operators are interconnected through the border interworking gateway, and for the consideration of inter-network settlement (traffic billing), security, etc., as well as possible operators The difference in encoding and decoding capabilities between the ...

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Abstract

A interconnecting method between the territories, it is: the application function (AF) entity get the media address of the territory that the called is in it and the called terminal according to the user end equipment initiates the directness signaling addressing of the calling initial signaling to the AF entity that the called is in it; initiates the AF entity to need reselecting the signaling route when the AF entity confirms that the media loading between the territory that the host call is in it and the territory that the called is in it can not interconnect directly, the conversation selects the road to the interconnecting media control function (I-MCF) entity of the territory, by the I-MCF entity controls the I-MCF gateway and processes exchange for the media address of the host call terminal according to the territory that the called is in it and the media address, until the exchanged host call terminal media address and the territory that the terminal is in it can interconnect.

Description

Technical field [0001] The present invention relates to the next generation network (NGN) technology, in particular to a method of inter-domain intercommunication and its communication network. Background technique [0002] The NGN network is entering the stage of large-scale deployment to gradually replace the traditional public switched telephone network / Integrated Services Digital Network (PSTN / ISDN); the NGN network is a network based on packet bearer technology, session control and bearer separation. NGN has the following characteristics: [0003] (1) The end-to-end characteristics of IP packet technology make it possible to establish point-to-point call control streams and media streams, which is essentially different from the establishment and forwarding of media segment by segment based on TDM technology. [0004] (2) The separation of session control and bearer enables these two levels to be constructed on different bearer networks. [0005] (3) The session control layer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/06H04L29/12
Inventor 王樱严军
Owner HUAWEI TECH CO LTD