CN108429864A - A method of realizing that pstn telephone arbitrarily calls DMR equipment - Google Patents

A method of realizing that pstn telephone arbitrarily calls DMR equipment Download PDF

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Publication number
CN108429864A
CN108429864A CN201810108565.XA CN201810108565A CN108429864A CN 108429864 A CN108429864 A CN 108429864A CN 201810108565 A CN201810108565 A CN 201810108565A CN 108429864 A CN108429864 A CN 108429864A
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China
Prior art keywords
dmr
access point
point devices
network access
public network
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CN201810108565.XA
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Chinese (zh)
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CN108429864B (en
Inventor
秦重军
姬广瑞
付文良
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Fujian Kelixun Communication Co Ltd
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Fujian Kelixun Communication Co Ltd
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Priority to CN201810108565.XA priority Critical patent/CN108429864B/en
Publication of CN108429864A publication Critical patent/CN108429864A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
    • H04M7/1205—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A method of it realizing that pstn telephone arbitrarily calls DMR equipment, includes the following steps：(1) public network user sends call request to gateway device；(2) after gateway device answers the call request of public network user, DMR network access point devices are called；(3) it after DMR network access point devices obtain the call request of public network user, answers immediately；(4) DMR network access point devices send the prompt tone for the target DMR equipment/group catchword code for requiring its incoming call to public network user, and start number incoming timing device；(5) after public network user hears voice prompt, in a manner of two-stage dialing, the number of calling is sequentially input；(6) DMR network access point devices parse dial train from dtmf signal, and check whether the number is effective DMR network access point devices/group catchword code.The present invention is given public network user in a manner of two-stage dialing and arbitrarily dials the ability that DMR network access point devices/group is exhaled, and reduces the requirement to gateway device routing rule complexity.

Description

A method of realizing that pstn telephone arbitrarily calls DMR equipment
Technical field
The present invention relates to the communications fields, in particular to a kind of method realized pstn telephone and arbitrarily call DMR equipment.
Background technology
As the development of multi-internet integration communications market and DMR (Digital Mobile Radio, digital mobile station) are logical The increasingly mature of agreement is interrogated, PSTN (Public Switched Telephone Network, Public Switched Telephone Network) is established Communication need between fixed line or 2G/3G/4G networks and DMR communication systems is more and more stronger.
Currently, general way is using a gateway device as the bridge between DMR networks and these networks, the gateway Equipment by TCP/IP (Transmission Control Protocol/Internet Protocol, transmission control protocol/ Internet protocol) network connection DMR equipment, and with SIP (Session Initiation Protocol, session initiation protocol； Or be extended on the basis of SIP) as communications protocol between the two.The gateway device provides finite population PSTN/ 2G/3G/4G public network access points, for example (Foreigh Exchange Office, outside exchange 4 road FXO of PSTN gateway offer Office) local telephone network interface.But current PSTN/2G/3G/4G common networks equipment can only be by dialing gateway accessing point number mode DMR networks are accessed, cannot directly dial DMR equipment numbers, and DMR equipment has its specific coding rule, it is difficult to by matching The routing rule for setting gateway is accurately realized.
Invention content
The present invention is to provide a kind of method realized pstn telephone and arbitrarily call DMR equipment, main purpose is gram Take the above problem of the existing technology.
The present invention, which adopts the following technical scheme that, to be achieved：
A method of it realizing that pstn telephone arbitrarily calls DMR equipment, includes the following steps：
(1) public network user sends call request to gateway device；
(2) after gateway device answers the call request of public network user, DMR network access point devices are called；
(3) it after DMR network access point devices obtain the call request of public network user, answers immediately；
(4) DMR network access point devices send the target DMR equipment/group catchword for requiring its incoming call to public network user The prompt tone of code, and start number incoming timing device；
(5) after public network user hears voice prompt, in a manner of two-stage dialing, the number of calling is sequentially input；
(6) DMR network access point devices parse dial train from signal, and check whether the number is effective DMR network access point devices/group catchword code；If number is effective, then DMR network access point devices are established between DMR equipment Calling so that the calling of DMR equipment and public network user continues；If number is invalid, then MR network access point devices notice is public Network users re-enter number；If DMR network access point devices do not obtain effective number at the appointed time, then input is super When, call setup failure, DMR network access point devices hang up the calling between public network user.
Further, the mode of two-stage dialing is DTMF two-stage dialing modes in the step (5).
By the above-mentioned description of this invention it is found that compared to the prior art, the invention has the advantages that：This method is first led to It crosses gateway device and connects the calling of DMR networks and PSTN/2G/3G/4G public network users, then two-stage dialing side is passed through by public network user Formula inputs specific call targets DMR network access point devices/group catchword code, to realize arbitrary dialing.Meanwhile with two-stage dialing Mode gives public network user and arbitrarily dials the ability that DMR network access point devices/group is exhaled, and reduces to gateway device routing rule The requirement of complexity saves the cost of DMR networks and PSTN/2G/3G/4G public network intercommunications.
Description of the drawings
Fig. 1 is the flow diagram of the present invention.
Specific implementation mode
Referring to Fig.1.A method of it realizing that pstn telephone arbitrarily calls DMR equipment, includes the following steps：
(1) public network user sends call request to gateway device；
(2) after gateway device answers the call request of public network user, DMR network access point devices are called；
(3) it after DMR network access point devices obtain the call request of public network user, answers immediately；
(4) DMR network access point devices send the target DMR equipment/group catchword for requiring its incoming call to public network user The prompt tone of code, and start number incoming timing device；
(5) after public network user hears voice prompt, in a manner of DTMF two-stage dialings, the number of calling is sequentially input；
(6) DMR network access point devices parse dial train from dtmf signal, and check whether the number is effective DMR network access point devices/group wail code；If number is effective, then DMR network access point devices are established between DMR equipment Calling so that the calling of DMR equipment and public network user continues；If number is invalid, then MR network access point devices notify Public network user re-enters number；If DMR network access point devices do not obtain effective number at the appointed time, then input is super When, call setup failure, DMR network access point devices hang up the calling between public network user.
This method first passes through the calling that gateway device connects DMR networks and PSTN/2G/3G/4G public network users, then by public network User inputs specific call targets DMR network access point devices/group catchword code by two-stage dialing mode, to realize arbitrary dial Number.Meanwhile giving public network user in a manner of DTMF two-stage dialings and arbitrarily dialing the ability that DMR network access point devices/group is exhaled, it drops The low requirement to gateway device routing rule complexity, save DMR networks and PSTN/2G/3G/4G public network intercommunications at This.
The specific implementation mode of the present invention is above are only, but the design concept of the present invention is not limited thereto, it is all to utilize this Conceive the change for carrying out unsubstantiality to the present invention, the behavior for invading the scope of the present invention should all be belonged to.

Claims (2)

1. a kind of method realized pstn telephone and arbitrarily call DMR equipment, it is characterised in that：Include the following steps：
(1) public network user sends call request to gateway device；
(2) after gateway device answers the call request of public network user, DMR network access point devices are called；
(3) it after DMR network access point devices obtain the call request of public network user, answers immediately；
(4) DMR network access point devices send the target DMR equipment/group catchword code for requiring its incoming call to public network user Prompt tone, and start number incoming timing device；
(5) after public network user hears voice prompt, in a manner of two-stage dialing, the number of calling is sequentially input；
(6) DMR network access point devices parse dial train from signal, and check whether the number is effective DMR nets Network access point apparatus/group catchword code；If number is effective, then DMR network access point devices establish the calling between DMR equipment, So that the calling of DMR equipment and public network user continues；If number is invalid, then MR network access point devices notify public network user Re-enter number；If DMR network access point devices do not obtain effective number at the appointed time, then time-out is inputted, is called Failure is established,
DMR network access point devices hang up the calling between public network user.
2. a kind of method realized pstn telephone and arbitrarily call DMR equipment as described in claim 1, it is characterised in that：It is described The mode of two-stage dialing is DTMF two-stage dialing modes in step (5).
CN201810108565.XA 2018-02-02 2018-02-02 Method for realizing arbitrary DMR equipment calling by PSTN telephone Active CN108429864B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810108565.XA CN108429864B (en) 2018-02-02 2018-02-02 Method for realizing arbitrary DMR equipment calling by PSTN telephone

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CN201810108565.XA CN108429864B (en) 2018-02-02 2018-02-02 Method for realizing arbitrary DMR equipment calling by PSTN telephone

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Cited By (1)

* Cited by examiner, † Cited by third party
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CN110012366A (en) * 2019-04-15 2019-07-12 福建科立讯通信有限公司 It is a kind of for public private network IP interconnection under wide and narrow strip converged communication system and method

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CN110012366B (en) * 2019-04-15 2021-09-17 福建科立讯通信有限公司 Wide-narrow band converged communication system and method used under public and private network IP interconnection

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