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A method for simulating loop relay direct call out function

An implementation method and loop relay technology, applied in the field of communication, can solve the problems of long call process and low connection rate, and achieve the effects of ensuring dialing habits, improving connection rate, and reducing call flow

Inactive Publication Date: 2008-01-16
BEIJING JIAXUN FEIHONG ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With such a complicated call process, not only the call process is long, but also the connection rate is extremely low when the user uses the redial button to make a call

Method used

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  • A method for simulating loop relay direct call out function
  • A method for simulating loop relay direct call out function

Examples

Experimental program
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Embodiment Construction

[0023] The invention provides a method for realizing the direct dial-out function of an analog loop relay. Specific steps are as follows:

[0024] (1) The PBX user or voice gateway user goes off-hook and dials to initiate a call to the PSTN user;

[0025] (2) The user call processing module sends a call request to the FXO call control module, and carries the called number of the PSTN user in the call request;

[0026] (3) After the FXO call control module receives the call request from the inside, it makes the outside line off-hook, and judges whether the called number of the PSTN user is carried in the call request;

[0027] (4) If the number of the PSTN user is included in the call request, start the 150ms timer;

[0028] (5) After the 150ms timer expires, send the first number to the outside line and start the sending timer;

[0029] (6) After the timing of number issuance, send the next number and restart the number issuance timer;

[0030] (7) When issuing numbers to ...

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Abstract

The invention discloses a realization method of analog loop delay direct dial-in function and pertains to communication technical field. The method establishes calling by directly carrying the number of called party and directly sending called code after out wire off-hook in calling request. The invention reduces the calling course of analog loop delay and improves the establishment time of calling, which guarantees the current dial custom of traditional special network user and also solves the problem of low call completion rate by pressing re-dial key to send numbers.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a method for realizing the function of direct dialing out of an analog loop relay. Background technique [0002] In the traditional communication network, PBX (private exchange) is connected with PSTN (public switched telephone network) through FXO (analog loop relay) interface. If the user on the PBX calls the user on the PSTN, it needs to go through a two-stage dialing process: first, the user on the PBX picks up the phone and dials the busy (outgoing) code, and after hearing the secondary dial tone, then dials the user number on the PSTN to make a call . [0003] With the development of network technology and communication technology, VoIP voice gateways and IP phones have been widely used in enterprise users and private network users. As shown in the network environment in Figure 1 and Figure 2: if a user on the voice gateway calls a user on the PSTN, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M7/14H04M3/42
Inventor 孙建明
Owner BEIJING JIAXUN FEIHONG ELECTRIC CO LTD
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