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System and method for realizing wide-area centrex

A wide-area, intelligent technology, applied in the field of communication, can solve problems such as the complexity of end office models, and achieve the effect of convenient management capabilities

Inactive Publication Date: 2007-06-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method requires the end office to have intelligent trigger capability, but in reality, due to the complexity of end office models, it is impossible to guarantee that all end offices have intelligent trigger capability

Method used

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  • System and method for realizing wide-area centrex
  • System and method for realizing wide-area centrex
  • System and method for realizing wide-area centrex

Examples

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Embodiment Construction

[0061] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0062] The present invention adopts intelligent home location register (SHLR) to realize wide-area Centrex service, and its basic method is exactly to fully utilize the centralized management function of user data of SHLR, preserves the long and short number mapping relation of WAC user on SHLR; The SHLR interaction obtains the calling short number and called long number information, then analyzes the called long number, and finally locates the called party, so that the short number intercommunication function of WAC users can be realized. In terms of data configuration, the long and short number comparison table of WAC users is centrally stored in SHLR for centralized management; Centrex group data still needs to be configured in the softswitch, but Centrex users can configure short number data without configuring short number data , if a short number is ...

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Abstract

The method thereof comprises: preparing a substrate; forming a catalyst metal layer on the substrate in order to accelerate the growth of carbon nanometer tube; forming an amorphous carbon layer for partly overlapping said catalyst metal layer; growing a carbon nanometer tube on the surface of a portion of catalyst metal layer un-overlapped by the amorphous carbon layer. The invention is used to grow carbon nanometer tube in low temperature in order to reduce production cost.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a system and method for realizing a wide-area Centrex by using a smart home location register (SHLR). Background technique [0002] Generally speaking, the concept of a Centrex group only exists in the intra-office. If intra-office users belong to the same Centrex group, they can dial short numbers to achieve intercommunication. If a Centrex group consists of users from different exchanges, a wide-area Centrex (WAC) group is formed. This makes the Centrex group users no geographical restrictions, and users of the same Centrex group in different offices can communicate with each other through the Centrex short number. It provides convenience for users such as institutions, groups, factories and mines with scattered office locations. [0003] Currently, there are generally two ways to implement WAN Centrex: one is to convert short numbers into called long numbers by configu...

Claims

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Application Information

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IPC IPC(8): H04Q3/62H04Q3/00H04M3/42
CPCH04M3/42314H04Q2213/13222H04Q2213/13098H04M2207/45H04Q3/62H04Q2213/13103
Inventor 张德文徐胜军
Owner HUAWEI TECH CO LTD
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