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Method, system and device for establishing inter-domain call

A call identification and call establishment technology, applied in the field of communication, can solve the problem of not supporting multiple network segmentation processing, and achieve the effect of link selection and admission control

Inactive Publication Date: 2012-07-04
天津朋丰数字科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the process of implementing the present invention, the inventor found that the existing call model has at least the following disadvantages: in the case that the connection service passes through multiple service-side networks, the existing call model does not support the segmentation processing of the call by multiple networks

Method used

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  • Method, system and device for establishing inter-domain call
  • Method, system and device for establishing inter-domain call
  • Method, system and device for establishing inter-domain call

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] see figure 2 , is a flowchart of a method for establishing an inter-domain call provided by an embodiment of the present invention. When the connection from the source node to the destination node passes through multiple service-side networks (assuming that each service-side network is divided into a network domain), the calls from the source node to the destination node are segmented between each network domain. The method is used to establish a call from...

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Abstract

The embodiment of the invention discloses a method, a system and a device for establishing inter-domain call. The method comprises: receiving a call establishment request message carrying service information sent by a source node; determining a second domain according to the service information and preset boundary link information and forwarding the call establishment request message to the second domain; receiving a call establishment response message from the second domain, wherein the call establishment response message carries available link information of a target node and a call identifier of the second domain; replacing the call identifier of the second domain in the call establishment response message with a call identifier of a first domain, wherein the call identifier of the first domain is determined on the basis of the service information; and sending the replaced call establishment response message to the source node. The method, the system and the device can realize inter-domain link selection and access control by using a segmented call mode under the condition that connection passes through a plurality of service side networks.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method, system and device for establishing an inter-domain call. Background technique [0002] In the communication network, users can connect their devices through the connection service provided by the operator's network. For example, the user can connect two routers through the optical connection service provided by an optical network operator. When the control plane is not used, this connection service is provided through the management plane, that is, if a user wants a certain operator to provide him with a connection service, he first applies for the connection service from the operator. Operators perform access control and billing according to certain strategies, and issue commands to nodes through the management plane to create corresponding connection services. [0003] Based on the shortcomings of slow service provisioning and complicated management in the above mod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/66H04L12/46H04L12/56
Inventor 资小兵
Owner 天津朋丰数字科技有限公司
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