CN107105110A - A kind of calling-control method based on PSTN - Google Patents
A kind of calling-control method based on PSTN Download PDFInfo
- Publication number
- CN107105110A CN107105110A CN201710305090.9A CN201710305090A CN107105110A CN 107105110 A CN107105110 A CN 107105110A CN 201710305090 A CN201710305090 A CN 201710305090A CN 107105110 A CN107105110 A CN 107105110A
- Authority
- CN
- China
- Prior art keywords
- interface adapters
- pstn
- fxs
- fxo
- calling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
- H04M7/0066—Details of access arrangements to the networks
- H04M7/0069—Details of access arrangements to the networks comprising a residential gateway, e.g. those which provide an adapter for POTS or ISDN terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
Abstract
The invention discloses a kind of calling-control method based on PSTN, it is related to voice technology field, if the FXS interface adapters of calling terminal listen to receiver off-book event, receiver off-book event is sent to PSTN interchangers, FXO interface adapter Sending dialled number messages number from PSTN interchangers to calling terminal, the FXO interface adapters and FXS interface adapters of calling terminal carry out open walk processing, and dial tone signal is sent to caller phone machine by the FXO interface adapters of calling terminal；Caller phone machine is received after dial tone signal, carries out phone dialing, and dialing information is sent into PSTN interchangers；PSTN interchangers realize the call of caller phone machine and called phone machine according to dialing information correspondence connection called phone machine.The calling-control method based on PSTN that the present invention is provided, can any network-in-dialing local access telephone, meet user flexibility dispose telephone set physical location demand, better user experience.
Description
Technical field
The present invention relates to voice technology field, and in particular to a kind of calling-control method based on PSTN.
Background technology
Public switched telephone network PSTN is a kind of circuit-switched network based on analogue technique.In numerous wide area networks
In interconnection technique, required communication cost is interconnected by PSTN minimum, using relatively broad.
In existing technology service networking, telephone set is directly connected by analog of telephone line with PSTN interchangers, is linked into
PSTN exchange networks realize speech business.However, such a networking mode so that the telephone set of user is limited to the thing of telephony interface
Manage the distance of position and telephone wire, it is impossible to arbitrarily lay, it is impossible to meet the demand that user flexibility disposes telephone set physical location,
Consumer's Experience is poor.
The content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of Call- Control1 side based on PSTN
Method, subsets position deployment will not limited by PSTN interchangers physical location and analog of telephone line cabling, meet use
The demand of family flexible deployment telephone set physical location, better user experience.
To achieve the above objectives, the present invention is adopted the technical scheme that：
A kind of calling-control method based on PSTN, telephone set is connected with a FXS FXS interface adapters, public
Switched telephone network PSTN interchangers are connected with a FXO FXO interface adapters, FXS interface adapters and FXO interfaces
Adapter is connected by IP network；
If the FXS interface adapters of calling terminal listen to receiver off-book event, receiver off-book event is sent to PSTN and handed over
Change planes, FXO interface adapter Sending dialled number messages number from the PSTN interchangers to calling terminal, calling terminal FXO interfaces adaptation
Device and FXS interface adapters carry out open walk processing, and the dial tone signal is sent to institute by the FXO interface adapters of calling terminal
State caller phone machine；
The caller phone machine is received after the dial tone signal, carries out phone dialing, and dialing information is sent into institute
State PSTN interchangers；
The PSTN interchangers realize caller phone machine and called according to dialing information correspondence connection called phone machine
The call of telephone set.
On the basis of above-mentioned technical proposal, after the PSTN interchangers receive the dialing information, the PSTN
Interchanger sends bell signal, after the FXS interface adapters of called end listen to receiver off-book event, quilt to called phone machine
The FXS interface adapters and FXO interface adapters at end is made to carry out open walk processing, the FXS interface adapters of called end are by phone
Off-hook event is sent to PSTN interchangers.
On the basis of above-mentioned technical proposal, if the FXS interface adapters of calling terminal listen to phone onhook event, by institute
State phone onhook event and be sent to the PSTN interchangers, meanwhile, the FXO interface adapters and FXS interface adapters of calling terminal
Carry out closing passage processing, the PSTN interchangers send busy-back signal to called phone machine, and called phone machine receives the busy tone
After signal, on-hook operation is carried out.
On the basis of above-mentioned technical proposal, after called phone machine on-hook, the FXS interface adapters of called end are listened to
Phone onhook event, and the phone onhook event is sent to the PSTN interchangers, meanwhile, the FXO interfaces of called end are fitted
Orchestration and FXS interface adapters carry out closing passage processing.
On the basis of above-mentioned technical proposal, when FXS interface adapters and FXO interface adapters carry out open walk processing,
Realtime transmission protocol RTP stream, call voice signal, dial tone signal are set up between FXS interface adapters and FXO interface adapters
It is transmitted with dialing information by the rtp streaming.
On the basis of above-mentioned technical proposal, FXO interface adapters and FXS interface adapters close after passage processing,
Rtp streaming between FXO interface adapters and FXS interface adapters carries out finalization process.
On the basis of above-mentioned technical proposal, the FXS interface adapters and FXO interface adapters include processor die
Block, Digital Signal Processing DSP module, Speech processing CODEC modules and business configuration module, the DSP module are used to turn
The switch for changing analog signal and data signal and control FXS interface adapters and FXO interface adapter passages breaks, described
CODEC modules are used to handle audio digital signals, and the business configuration module is used to configure FXS interface adapters and FXO interfaces
The IP address and port numbers of adapter.
On the basis of above-mentioned technical proposal, after electricity on FXS interface adapters and FXO interface adapters, at initialization
Device module, Digital Signal Processing DSP module, Speech processing CODEC modules and business configuration module are managed, and configures FXS and is connect
The IP address and port numbers of mouth adapter and FXO interface adapters.
On the basis of above-mentioned technical proposal, FXS interface adapters and FXO interface adapters with end set up network company
Connect, start the heartbeat between the FXS interface adapters and FXO interface adapters with end.
On the basis of above-mentioned technical proposal, the receiver off-book event, dial tone signal and bell signal are reported by IP
Text transmission.
Compared with prior art, the advantage of the invention is that：
The calling-control method based on PSTN of the present invention, sets FXS interfaces to fit between telephone set and PSTN interchangers
Orchestration and FXO interface adapters so that the deployment of subsets position will not be by PSTN interchangers physical location and analog phone
The limitation of line cabling, can any network-in-dialing local access telephone, meet user flexibility deployment telephone set physics
The demand of position, better user experience.
Brief description of the drawings
Fig. 1 is business networking schematic diagram in the embodiment of the present invention；
Fig. 2 is the calling-control method flow chart based on PSTN in the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, in the embodiment of the present invention, telephone set is connected with a FXS FXS interface adapters, public
Switched telephone network PSTN interchangers are connected with a FXO FXO interface adapters, FXS interface adapters and FXO interfaces
Adapter is connected by IP network.
Referring to shown in Fig. 1 and Fig. 2, the calling-control method based on PSTN that the present embodiment is provided comprises the following steps：
S1：After caller phone machine off-hook, the FXS interface adapters of calling terminal listen to receiver off-book event, by phone
Off-hook event is sent to PSTN interchangers；
S2：PSTN interchangers are to the FXO interface adapter Sending dialled number messages number of calling terminal, and the FXO interfaces of calling terminal fit
Orchestration and FXS interface adapters carry out open walk processing, set up and pass in real time between FXS interface adapters and FXO interface adapters
Dial tone signal is sent to caller phone machine by defeated protocol RTP stream, the FXO interface adapters of calling terminal by rtp streaming；
S3：Caller phone machine is received after dial tone signal, carries out phone dialing, and dialing information is sent into PSTN to exchange
Machine；
S4：PSTN interchangers realize caller phone machine and called phone according to dialing information correspondence connection called phone machine
The call of machine.
After PSTN interchangers receive dialing information, PSTN interchangers send bell signal to called phone machine, in quilt
The FXS interface adapters at end are made to listen to after receiver off-book event, the FXS interface adapters and FXO interface adapters of called end
Open walk processing is carried out, receiver off-book event is sent to PSTN interchangers by the FXS interface adapters of called end.
If the FXS interface adapters of calling terminal listen to phone onhook event, phone onhook event is sent to PSTN and handed over
Change planes, meanwhile, the FXO interface adapters and FXS interface adapters of calling terminal close passage processing, and PSTN interchangers are to called
Telephone set sends busy-back signal, and called phone machine is received after busy-back signal, carries out on-hook operation.
After called phone machine on-hook, the FXS interface adapters of called end listen to phone onhook event, and phone is hung
Machine event is sent to PSTN interchangers, meanwhile, the FXO interface adapters and FXS interface adapters of called end close at passage
Reason.
In the above-mentioned calling-control method based on PSTN, FXS interface adapters and FXO interface adapters are carried out at open walk
During reason, realtime transmission protocol RTP stream, call voice signal, dialing are set up between FXS interface adapters and FXO interface adapters
Message number and dialing information are transmitted by rtp streaming.FXO interface adapters and FXS interface adapters close at passage
After reason, the rtp streaming between FXO interface adapters and FXS interface adapters carries out finalization process.
FXS interface adapters and FXO interface adapters include processor module, Digital Signal Processing DSP module, voice
Signal transacting CODEC modules and business configuration module, DSP module are used for converting analogue signals and data signal and control FXS
The switch of interface adapter and FXO interface adapter passages breaks, and CODEC modules are used to handle audio digital signals, business configuration
Module is used for the IP address and port numbers for configuring FXS interface adapters and FXO interface adapters.
After electricity on FXS interface adapters and FXO interface adapters, initialization processor module, Digital Signal Processing DSP
Module, Speech processing CODEC modules and business configuration module, and configure FXS interface adapters and FXO interface adapters
IP address and port numbers.
FXS interface adapters and FXO interface adapters with end set up network connection, start the FXS interfaces adaptation with end
Heartbeat between device and FXO interface adapters.Above-mentioned receiver off-book event, dial tone signal and bell signal are passed by IP messages
It is defeated.
The calling-control method based on PSTN of the present invention, sets FXS interfaces to fit between telephone set and PSTN interchangers
Orchestration and FXO interface adapters, lead between telephone set and FXS interface adapters, between PSTN interchangers and FXO interface adapters
Telephone wire connection is crossed, is connected between FXS interface adapters and FXO interface adapters by netting twine, so that subsets
Position deployment will not limited by PSTN interchangers physical location and analog of telephone line cabling, can be on the ground of any network-in-dialing
Square access telephone, meets the demand that user flexibility disposes telephone set physical location, better user experience.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of calling-control method based on PSTN, it is characterised in that：Telephone set is connected with a FXS FXS interfaces and fitted
Orchestration, common exchanging telephone network PSTN interchanger is connected with a FXO FXO interface adapters, FXS interface adapters
Connected with FXO interface adapters by IP network；
If the FXS interface adapters of calling terminal listen to receiver off-book event, receiver off-book event is sent to PSTN interchangers,
FXO interface adapter Sending dialled number messages number from the PSTN interchangers to calling terminal, the FXO interface adapters of calling terminal and
FXS interface adapters carry out open walk processing, and the dial tone signal is sent to the master by the FXO interface adapters of calling terminal
It is telephone set；
The caller phone machine is received after the dial tone signal, carries out phone dialing, and dialing information is sent to described
PSTN interchangers；
The PSTN interchangers realize caller phone machine and called phone according to dialing information correspondence connection called phone machine
The call of machine.
2. the calling-control method as claimed in claim 1 based on PSTN, it is characterised in that：When the PSTN interchangers are received
To after the dialing information, the PSTN interchangers send bell signal to called phone machine, are adapted in the FXS interfaces of called end
Device is listened to after receiver off-book event, and the FXS interface adapters and FXO interface adapters of called end carry out open walk processing, quilt
Make the FXS interface adapters at end that receiver off-book event is sent into PSTN interchangers.
3. the calling-control method as claimed in claim 1 based on PSTN, it is characterised in that：If the FXS interfaces of calling terminal are fitted
Orchestration listens to phone onhook event, and the phone onhook event is sent into the PSTN interchangers, meanwhile, calling terminal
FXO interface adapters and FXS interface adapters carry out closing passage processing, and the PSTN interchangers send busy tone to called phone machine
Signal, called phone machine is received after the busy-back signal, carries out on-hook operation.
4. the calling-control method as claimed in claim 3 based on PSTN, it is characterised in that：After called phone machine on-hook,
The FXS interface adapters of called end listen to phone onhook event, and the phone onhook event is sent into the PSTN friendships
Change planes, meanwhile, the FXO interface adapters and FXS interface adapters of called end carry out closing passage processing.
5. the calling-control method as claimed in claim 1 or 2 based on PSTN, it is characterised in that：FXS interface adapters and
When FXO interface adapters carry out open walk processing, real-time Transmission association is set up between FXS interface adapters and FXO interface adapters
Rtp streaming is discussed, call voice signal, dial tone signal and dialing information are transmitted by the rtp streaming.
6. the calling-control method as claimed in claim 5 based on PSTN, it is characterised in that：FXO interface adapters and FXS connect
Mouth adapter close after passage processing, and the rtp streaming between FXO interface adapters and FXS interface adapters carries out finalization process.
7. the calling-control method as claimed in claim 1 based on PSTN, it is characterised in that：The FXS interface adapters and
FXO interface adapters include processor module, Digital Signal Processing DSP module, Speech processing CODEC modules and business
Configuration module, the DSP module is used for converting analogue signals and data signal and control FXS interface adapters and FXO interfaces
The switch of adaptor channel breaks, and the CODEC modules are used to handle audio digital signals, and the business configuration module is used to configure
The IP address and port numbers of FXS interface adapters and FXO interface adapters.
8. the calling-control method as claimed in claim 7 based on PSTN, it is characterised in that：As FXS interface adapters and FXO
On interface adapter after electricity, initialization processor module, Digital Signal Processing DSP module, Speech processing CODEC modules and
Business configuration module, and configure the IP address and port numbers of FXS interface adapters and FXO interface adapters.
9. the calling-control method as claimed in claim 8 based on PSTN, it is characterised in that：With the FXS interface adapters at end
Network connection is set up with FXO interface adapters, starts the heartbeat between the FXS interface adapters and FXO interface adapters with end.
10. the calling-control method as claimed in claim 2 based on PSTN, it is characterised in that：The receiver off-book event, dial
Number message number and bell signal pass through IP message transmissions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305090.9A CN107105110A (en) | 2017-05-03 | 2017-05-03 | A kind of calling-control method based on PSTN |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305090.9A CN107105110A (en) | 2017-05-03 | 2017-05-03 | A kind of calling-control method based on PSTN |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107105110A true CN107105110A (en) | 2017-08-29 |
Family
ID=59656614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710305090.9A Withdrawn CN107105110A (en) | 2017-05-03 | 2017-05-03 | A kind of calling-control method based on PSTN |
Country Status (1)
| Country | Link |
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| CN (1) | CN107105110A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108513023A (en) * | 2018-03-12 | 2018-09-07 | 烽火通信科技股份有限公司 | A kind of implementation method of analog phone business suitable for high speed copper wire access |
| CN109040496A (en) * | 2018-07-17 | 2018-12-18 | 烽火通信科技股份有限公司 | The realization method and system of the trans-regional transmitting of analog signal |
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| CN1390021A (en) * | 2001-05-26 | 2003-01-08 | 三星电子株式会社 | Net gate based on internet agreement transmission language and its control method |
| CN1822626A (en) * | 2006-04-05 | 2006-08-23 | 迈普（四川）通信技术有限公司 | Analogue relay interface control method |
| CN1889613A (en) * | 2006-07-17 | 2007-01-03 | 杭州华为三康技术有限公司 | Calling control method and speech gate based on speech Internet protocol |
| CN102347841A (en) * | 2010-07-30 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Router and conversation connection control method thereof |
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2017
- 2017-05-03 CN CN201710305090.9A patent/CN107105110A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1390021A (en) * | 2001-05-26 | 2003-01-08 | 三星电子株式会社 | Net gate based on internet agreement transmission language and its control method |
| US20080285547A1 (en) * | 2001-05-26 | 2008-11-20 | Dae-Hyun Lee | Voice over internet protocol gateway and a method for controlling the same |
| CN1822626A (en) * | 2006-04-05 | 2006-08-23 | 迈普（四川）通信技术有限公司 | Analogue relay interface control method |
| CN1889613A (en) * | 2006-07-17 | 2007-01-03 | 杭州华为三康技术有限公司 | Calling control method and speech gate based on speech Internet protocol |
| CN102347841A (en) * | 2010-07-30 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Router and conversation connection control method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108513023A (en) * | 2018-03-12 | 2018-09-07 | 烽火通信科技股份有限公司 | A kind of implementation method of analog phone business suitable for high speed copper wire access |
| CN108513023B (en) * | 2018-03-12 | 2020-05-05 | 烽火通信科技股份有限公司 | Method for realizing analog telephone service suitable for high-speed copper wire access |
| CN109040496A (en) * | 2018-07-17 | 2018-12-18 | 烽火通信科技股份有限公司 | The realization method and system of the trans-regional transmitting of analog signal |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170829 |
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