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Method and system for realizing long-distance operator insertion

An operator and long-distance technology, which is applied in the field of communication, can solve the problems that the long-distance operator insertion function cannot be realized, and the message and information unit are not defined.

Inactive Publication Date: 2006-12-20
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0010] However, this implementation scheme also brings some defects and improvements that need to be improved, that is, R2 signaling usually needs to implement TOF (Trunk Offering) long-distance operator insertion requirements, and relevant messages and information are not defined in ITU-T Q.931 unit, so the long-distance operator insertion function cannot be realized

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  • Method and system for realizing long-distance operator insertion
  • Method and system for realizing long-distance operator insertion
  • Method and system for realizing long-distance operator insertion

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Embodiment Construction

[0033] In order to facilitate those skilled in the art to understand and implement the present invention, the embodiments of the present invention are now described with reference to the accompanying drawings.

[0034] On the basis of the existing ITU-T Q.931, the present invention expands the message and information units that support TOF long-distance operator insertion requirements, thereby realizing the R2 signaling standard through R2 / PRA conversion access under the NGN architecture, and Support the technical solution of long-distance operator insertion. The expanded ITU-T Q.931 is called the ITU-T Q.931+ protocol.

[0035] In order to implement the present invention, the ITU-T Q.931 protocol is first extended, and the specific extension is defined as follows:

[0036] 1. Add operator message OPR_MSG

[0037] Message type: Attendant message (OPR_MSG)

Effective range: global

Direction: Two-way

Information unit

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Abstract

The invention relates to a method for realizing toll operator insertion, used in next generation network with Q931 protocol, wherein it comprises: when the exchanger receives the telephone call, and finds out the called terminal is in call; the exchanger sends TOF signal to media gateway which transforms the TOF signal to the operator prompt message; and sends the prompt message to the media gateway controller, to control the call of called terminal. The invention also provides a relative system, which comprises an exchanger for sending TOF signal to the media gateway; a media gateway for transforming the TOF message; and a media gateway controller for controlling the call based on the prompt message. The invention can realize R2 signal standard and the toll operator insertion via the R2 / PRA transformation under NGN structure.

Description

Technical field [0001] The present invention relates to a communication technology, in particular to a method and system for implementing long-distance operator insertion in NGN (Next Generation Network). Background technique [0002] The NGN network is a network in which service control and bearer media are separated. The service control part can be implemented by MGC (Media Gateway Controller), and the bearer part can be implemented by MGW (Media Gateway). The H.248 protocol is generally used between MGC and MGW to control the bearer. [0003] Channel associated signaling is a kind of inter-office signaling. The currently used channel associated signaling includes R2, R1, No5, etc. Among them, R2 signaling is widely used in switch models in many countries. The R2 standard of each country generally defines long-distance operator insertion signaling. In this way, NGN system equipment must support its definition when entering the market of different countries to connect with vario...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M3/58H04M3/428
CPCH04M7/0093H04M7/123H04M7/129H04L29/06027H04L65/1043
Inventor 李云惠
Owner HUAWEI TECH CO LTD
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