CN101841611A - Facsimile method based on voice over internet protocol (VOIP) and system thereof - Google Patents
Facsimile method based on voice over internet protocol (VOIP) and system thereof Download PDFInfo
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- CN101841611A CN101841611A CN201010154106A CN201010154106A CN101841611A CN 101841611 A CN101841611 A CN 101841611A CN 201010154106 A CN201010154106 A CN 201010154106A CN 201010154106 A CN201010154106 A CN 201010154106A CN 101841611 A CN101841611 A CN 101841611A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32765—Initiating a communication
- H04N1/32771—Initiating a communication in response to a request, e.g. for a particular document
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32765—Initiating a communication
- H04N1/32771—Initiating a communication in response to a request, e.g. for a particular document
- H04N1/32784—Initiating a communication in response to a request, e.g. for a particular document using a voice request
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- Facsimiles In General (AREA)
- Facsimile Transmission Control (AREA)
Abstract
The invention discloses a facsimile method based on voice over internet protocol (VOIP) and a system thereof, aiming at solving the problem that the compatibility of gateway devices of facsimile equipment in the prior art is poorer, thus causing higher facsimile failure rate. The method comprises the following steps that: when receiving a first facsimile signal for representing the transmitting of the facsimile, a first gateway device of a facsimile transmitting end switches the state of the first gateway device to the facsimile state and uses an encoding mode corresponding to the facsimile state to transmit the facsimile; and when receiving a second facsimile signal for representing the receiving of the facsimile, a second gateway device of a facsimile transmitting end switches the state of the second gateway device to the facsimile state and uses the encoding mode to receive the facsimile. By adopting the technical scheme, the invention improves the compatibility among different gateway devices, thus improving the success rate of the facsimile.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of facsimile method and a kind of fasystem based on VOIP based on VOIP (Voice over InternetProtocol, voice-over ip transmission).
Background technology
At present, NGN (Next Generation Network, next generation network), IMS (IP MultimediaSubsystem, IP multimedia subsystem, IMS) terminal equipment (this terminal equipment is mainly the gateway kind equipment) on the network such as realizes that the fax mode that fax is adopted mainly realizes fax by controlled T38 and controlled T30; Existing this kind fax mode is subject to the protocol compatibility between multiclass product and the residing core net of all kinds of terminal equipment to a great extent, the configuration of terminal equipment is also relatively complicated, such as: the controlled implementation of the terminal equipment of the living manufacturers produce of each terminal equipment is different, same employing T38 or T30 fax mode, but the controlled way property of there are differences.And, when adopting T30 fax mode or T38 fax mode, need be in the configuration of terminal equipment and the enterprising line correlation of soft switch, as: in soft switch, dispose SDP (Session Descriptive Protocol, Session Description Protocol) template disposes controlled way on terminal equipment; Because the SDP template that disposes in each soft switch exists lack of standardization in transmission SDP signaling, reason the such as perhaps bearing mode that the controlled way of each terminal equipment configuration adopted is different, thereby cause having compatibility issue between the terminal equipment in actual applications, thereby cause fax failure rate problem of higher.
Summary of the invention
The invention provides a kind of facsimile method and system thereof, improve the compatibility between the gateway device, to improve the success rate of fax based on VOIP.
A kind of facsimile method based on the voice-over ip transmitting voip comprises:
First gateway device of facsimile transmission end is receiving when being used to characterize first facsimile signal that sends fax, and the state of this first gateway device is switched to FAX mode, and uses and the corresponding coded system of this FAX mode sends described fax;
Second gateway device of fax receiving terminal is receiving when being used to characterize second facsimile signal that receives described fax, the state of this second gateway device is switched to described FAX mode, and use described coded system to receive described fax.
A kind of fasystem based on the voice-over ip transmitting voip comprises first gateway device of facsimile transmission end and second gateway device of fax receiving terminal, wherein:
Described first gateway device is used for receiving when being used to characterize first facsimile signal that sends fax, and the state of this first gateway device is switched to FAX mode, and uses and the corresponding coded system of this FAX mode sends described fax;
Described second gateway device is used for receiving when being used to characterize second facsimile signal that receives described fax, the state of this second gateway device is switched to described FAX mode, and use described coded system to receive described fax.
In the embodiment of the invention, second gateway device of first gateway device of facsimile transmission end and fax receiving terminal, each leisure receives after the facsimile signal, state is separately switched to same FAX mode, and coded system is converted to and the corresponding coded system of this FAX mode, thereby overcome between the different gateway devices since configuration protocol or/and the compatible relatively poor problem between the core net of living in, improve the compatibility between first gateway device and second gateway device, thereby improved the success rate of transmitting facsimile content between the gateway device; And, adopt technical solution of the present invention, do not need each gateway device is carried out comparatively complicated configuration, therefore, simplified the complexity of fax flow process, improve fax efficient.
Description of drawings
Fig. 1 is a method flow diagram of realizing fax in the embodiment of the invention;
Fig. 2 is the signaling process figure that realizes fax in the embodiment of the invention;
Fig. 3 is based on the structural representation of the fasystem of VOIP in the embodiment of the invention.
Embodiment
Below in conjunction with Figure of description technical solution of the present invention is described in detail.
Referring to Fig. 1, for realizing the method flow diagram of fax in the embodiment of the invention, this flow process comprises step:
This method flow process is to initiate first facsimile equipment of fax, and second facsimile equipment of receiving faxes is an example, and technical solution of the present invention is described in detail.
This first gateway device can be the VOIP gateway device.
When step 102, first gateway device detect the facsimile signal of first facsimile equipment transmission, the state that this first gateway device is current switches to first FAX mode, and (this first FAX mode is the FAX mode that sets in advance, can be first gateway device and second gateway device FAX mode of agreement in advance), and use and corresponding first coded system of this first FAX mode is transmitted this fax to second gateway device.
First facsimile equipment is realized sending fax to second facsimile equipment, is specially: first facsimile equipment content of will fax is passed through PSTN (Public Switched Telephone Network, PSTN) and is sent to first gateway device; First gateway device adopts the controlled way of T30 content transparent transmission to the second gateway device of will faxing; Second gateway device content of will faxing is sent to second facsimile equipment by PSTN.
Preferably, because different gateway devices all is provided with the DSP template, for better guaranteeing the success rate of facsimile transmission, the DSP driving condition that is adopted in the embodiment of the invention (i.e. first FAX mode) is a fax vbd state, is coded system G.711 with corresponding first coded system of this fax vbd state.
Preferably, for avoiding facsimile equipment after starting the facsimile transmission function, send non-facsimile signal earlier, (the MODEM dialing signal can comprise CED Reverse signal such as the MODEM dialing signal, the CED signal, ANSAMREV signal etc.), send facsimile signal again, thereby cause gateway device to think the signal that detected signal is initiated for MODEM equipment by mistake, thereby thereby current state is set to the problem that the MODEM state causes fax failure, in the technical solution of the present invention, start the facsimile transmission function at first facsimile equipment, and in a period of time threshold value of second gateway device after receiving the CED signal that first facsimile equipment sends (rule of thumb, can this time threshold be set to 5 seconds), if when not detecting the facsimile signal of first facsimile equipment transmission, then the CED signal reporting is given the upper strata handling procedure of DSP driver, and current state switched to the MODEM state, if when detecting the facsimile signal that first facsimile equipment sends current state is switched to predefined first FAX mode, and enters the fax flow process; And after the fax flow process finished, first gateway device carried out follow-up relevant flow process with the CED signal reporting that the receives upper strata handling procedure to the DSP driver.
Preferably, when the current coded system of the gateway device in above-mentioned process step 102 or the step 104 is first coded system that sets in advance,, do not need current coded system to carry out conversion operations again, directly continue to use current coded system for raising the efficiency.
Preferably, be follow-up efficient of faxing, in the technical solution of the present invention, after above-mentioned fax flow process finished, first gateway device and second gateway device were continued to use first coded system.
Preferably, be the understanding FAX mode that makes that facsimile transmission end and receiving terminal can be real-time, in the technical solution of the present invention, between facsimile equipment, carry out realizing in the process of voice call fax, and after fax completion, return to the voice call flow process voluntarily, also comprise step 100 before the step 101 of the above-mentioned flow process of concrete technical solution of the present invention, after step 105, also comprise step 106, wherein:
Step 100, first facsimile equipment and second facsimile equipment are set up voice call by the existing voice call flow process of setting up.
Step 106, after the fax flow process finishes, first gateway device and second gateway device do not need the information that the fax flow process finishes is reported the upper strata handling procedure that DSP drives, the user recovers fax flow process voice call state before voluntarily, so that can know whether fax successfully carries out by voice call.
Gateway device in the embodiment of the invention can be IAD (Integrated Access Device, an integrated access equipment); G.729 the coded system of gateway device comprises, G.723, G.711 waits coded system.
Technical solution of the present invention is not limited in the application scenarios of fax, can also be applicable to MODEM dialing scene, be specially: at the professional transmitting terminal of MODEM, facsimile equipment starts the professional sending function of MODEM, and, during the MODEM dialing signal of gateway device detection facsimile equipment transmission current state is switched to MODEM vbd state to the gateway device transmission MODEM at its place dialing signal; At the professional receiving terminal of MODEM, facsimile equipment starts the professional receiving function of MODEM, and sends the MODEM dialing signal to the gateway device at its place, and gateway device switches to current state MODEM vbd state after receiving the MODEM dialing signal; The facsimile equipment of transmitting terminal and the facsimile equipment of receiving terminal carry out the MODEM operation flow.
Be clearer description technical solution of the present invention, come technical solution of the present invention is described in detail below in conjunction with concrete signaling process figure.In this example, the VOIP gateway of facsimile transmission end all is configured to support the adaptive switched function of FAX mode with the VOIP gateway of fax receiving terminal, promptly fax receiving terminal gateway and facsimile transmission end gateway arranged FAX mode and the corresponding coded system of this FAX mode in advance, when gateway is received facsimile signal, the state exchange that self is current is into about fixed FAX mode, and coded system is converted to and the corresponding coded system of this FAX mode.
Referring to Fig. 2, for realizing the signaling process figure of fax in the embodiment of the invention, this signaling process may further comprise the steps:
The facsimile equipment 1 of step 201, facsimile transmission end is set up voice call with the facsimile equipment 2 of fax receiving terminal by existing mode and is connected, the lang sound of going forward side by side conversation.
Step 202, user need start the facsimile transmission function of facsimile equipment 1 by facsimile equipment 1 when facsimile equipment 2 sends fax, such as the modes such as fax key of opening facsimile equipment.
Optionally, step 203, facsimile equipment 1 send the CED signal to the VOIP of facsimile transmission end gateway 1.
Preferably, detect the facsimile signal of whether receiving that facsimile equipment 1 sends within a period of time threshold value of VOIP gateway 1 after receiving the CED signal, if do not receive, then the CED signal reporting is given the upper strata handling procedure of DSP driver, and current state switched to the MODEM state, if detect facsimile signal, then execution in step 204.
V.21 step 204, facsimile equipment 1 send or CNG (CalliNG Tnoe, facsimile call signal) facsimile signal to VOIP gateway 1.
Step 205, VOIP gateway 1 switch to fax vbd state with current state, and coded system is converted to and the corresponding G.711 coded system of this fax vbd state.
When step 206, user receive faxes by facsimile equipment 2, start fax receiving function, as press the fax key of facsimile equipment.
V.21 step 207, facsimile equipment 2 send or the CNG facsimile signal to VOIP gateway 2.
Step 208, VOIP gateway 2 switch to fax vbd state with current state, and current coded system is converted to the G.711 coded system corresponding with this fax vbd state.
G.711 the content negotiation of faxing of step 209, facsimile equipment 1 and facsimile equipment 2, facsimile equipment 1 adopt coded system that the fax content is encoded, and the fax content after will encoding is sent to facsimile equipment 2 by T30 transparent transmission mode.
Step 210, after content delivery finishes, recover the voice call between facsimile equipment 1 and the facsimile equipment 2 voluntarily, so that whether successfully the real-time understanding fax of both sides at fax.
Based on the identical design of said method flow process, the embodiment of the invention also provides a kind of fasystem based on VOIP, and the structure of this system as shown in Figure 3.
Referring to Fig. 3 is a kind of structural representation based on the VOIP fasystem in the embodiment of the invention, and this system comprises first gateway device 31 of facsimile transmission end and second gateway device 32 of fax receiving terminal, wherein:
Preferably, thereby for avoiding first gateway device 31 before receiving facsimile signal, to receive the problem that non-facsimile signal causes flase drop, first gateway device 31 is before receiving first facsimile signal, if when receiving non-facsimile signal, in predefined time threshold, detect and whether receive first facsimile signal, and when not receiving first facsimile signal, the state of first gateway device 31 is switched to and the corresponding state of this non-facsimile signal.
Preferably, said system also comprises first facsimile equipment 33 and second facsimile equipment 34 that is positioned at the fax receiving terminal that is positioned at the facsimile transmission end; First facsimile equipment 33 receives first facsimile signal (this first facsimile signal is the signal that first facsimile equipment 33 sends to first gateway device 31) before at first gateway device 31, set up with second facsimile equipment 34 between voice call be connected; And, first facsimile equipment 33 first gateway device 31 with second gateway device 32 at fax after content delivery finishes, recover with second facsimile equipment 34 between voice call be connected.
Preferably, first gateway device 31 and second gateway device 32 are after the fax content delivery finishes, and first gateway device 31 and second gateway device 32 still adopt first coded system.
Preferably, first FAX mode is a fax vbd state, is coded system G.711 with corresponding first coded system of this first FAX mode.
Technical solution of the present invention is not limited in the fax flow process between facsimile machine and the facsimile machine, also be applicable to computer fax flow process etc. to the fax flow process of facsimile machine, facsimile machine to computer, as long as the gateway device of gateway device and the facsimile transmission end of fax receiving terminal arrange unified FAX mode and with the corresponding coded system of this FAX mode, fax receiving terminal gateway device and facsimile transmission end gateway device are after receiving facsimile signal, current state is switched to the FAX mode of agreement, and with the coded system of current coded system agreement.Only otherwise the main design that breaks away from technical solution of the present invention all should belong to the scope that technical solution of the present invention is protected.
In the embodiment of the invention, the facsimile transmission end has unified FAX mode and the corresponding coded system of this FAX mode with the gateway device agreement of fax receiving terminal, after gateway device receives facsimile signal, the state that self is current switches to the FAX mode of agreement, and coded system is converted to the coded system of agreement; At the fax receiving terminal with after the gateway device of facsimile transmission end all switches to identical FAX mode, the transmission of the content of faxing.Adopt technical solution of the present invention, the gateway device of the gateway device of facsimile transmission end and fax receiving terminal, each leisure receives after the facsimile signal, state is separately switched to the same FAX mode that sets in advance, and coded system is converted to and the corresponding coded system of this FAX mode, thereby overcome between the different gateway devices since configuration protocol or/and the compatible relatively poor problem between the core net of living in, improve the compatibility between the gateway device, thereby improved the success rate of transmitting facsimile content between the gateway device; And, adopt technical solution of the present invention, do not need each gateway device is carried out comparatively complicated configuration, therefore, simplified the complexity of fax flow process, improve fax efficient.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. the facsimile method based on the voice-over ip transmitting voip is characterized in that, comprising:
First gateway device of facsimile transmission end is receiving when being used to characterize first facsimile signal that sends fax, and the state of this first gateway device is switched to FAX mode, and uses and the corresponding coded system of this FAX mode sends described fax;
Second gateway device of fax receiving terminal is receiving when being used to characterize second facsimile signal that receives described fax, the state of this second gateway device is switched to described FAX mode, and use described coded system to receive described fax.
2. the method for claim 1 is characterized in that, described first gateway device also comprised step before receiving described first facsimile signal:
First gateway device is when receiving non-facsimile signal, in predefined time threshold, detect and whether receive described first facsimile signal, and when not receiving described first facsimile signal, the state of described first gateway device is switched to and the corresponding state of this non-facsimile signal.
3. the method for claim 1 is characterized in that, described first gateway device is before receiving described first facsimile signal, and first facsimile equipment of described facsimile transmission end is set up voice call with second facsimile equipment of described fax receiving terminal and is connected;
Described first gateway device and described second gateway device be at fax after content delivery finishes, and recovers described first facsimile equipment and be connected with voice call between described second facsimile equipment.
4. as each described method of claim 1～3, it is characterized in that described first gateway device and described second gateway device are after the fax content delivery finishes, described first gateway device and described second gateway device adopt described coded system.
5. as each described method of claim 1～3, it is characterized in that described FAX mode is the faxvbd state, the described coded system corresponding with this FAX mode is coded system G.711.
6. the fasystem based on the voice-over ip transmitting voip is characterized in that, comprises first gateway device of facsimile transmission end and second gateway device of fax receiving terminal, wherein:
Described first gateway device is used for receiving when being used to characterize first facsimile signal that sends fax, and the state of this first gateway device is switched to FAX mode, and uses and the corresponding coded system of this FAX mode sends described fax;
Described second gateway device is used for receiving when being used to characterize second facsimile signal that receives described fax, the state of this second gateway device is switched to described FAX mode, and use described coded system to receive described fax.
7. system as claimed in claim 6, it is characterized in that, described first gateway device is further used for, before receiving described first facsimile signal, if when receiving non-facsimile signal, in predefined time threshold, detect whether receive described first facsimile signal, and when not receiving described first facsimile signal, the state of described first gateway device is switched to and the corresponding state of this non-facsimile signal.
8. system as claimed in claim 6 is characterized in that, also comprises first facsimile equipment that is positioned at the facsimile transmission end and second facsimile equipment that is positioned at the fax receiving terminal;
Described first facsimile equipment before described first gateway device receives described first facsimile signal, set up with described second facsimile equipment between voice call be connected;
Described first facsimile equipment described first gateway device with described second gateway device at fax after content delivery finishes, recover with described second facsimile equipment between voice call be connected.
9. as each described system of claim 6～8, it is characterized in that described first gateway device and described second gateway device are after the fax content delivery finishes, described first gateway device and described second gateway device adopt described coded system.
10. as each described system of claim 6～8, it is characterized in that described FAX mode is the faxvbd state, be coded system G.711 with the corresponding described coded system of this FAX mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010154106A CN101841611A (en) | 2010-04-21 | 2010-04-21 | Facsimile method based on voice over internet protocol (VOIP) and system thereof |
| PCT/CN2010/076379 WO2011130987A1 (en) | 2010-04-21 | 2010-08-26 | Method for faxing based on voice over internet protocol and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010154106A CN101841611A (en) | 2010-04-21 | 2010-04-21 | Facsimile method based on voice over internet protocol (VOIP) and system thereof |
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| CN101841611A true CN101841611A (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010154106A Pending CN101841611A (en) | 2010-04-21 | 2010-04-21 | Facsimile method based on voice over internet protocol (VOIP) and system thereof |
Country Status (2)
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| CN (1) | CN101841611A (en) |
| WO (1) | WO2011130987A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377890A (en) * | 2011-12-05 | 2012-03-14 | 深圳市共进电子股份有限公司 | Method for realizing fax based on voice over internet phone (VOIP) voice communication system |
| CN103023899A (en) * | 2012-12-05 | 2013-04-03 | 广东佳和通信技术有限公司 | Method for multiple data service support in VoIP system |
| CN104427164A (en) * | 2013-08-21 | 2015-03-18 | 佳能株式会社 | Communication apparatus, control method thereof |
| CN104811579A (en) * | 2014-01-26 | 2015-07-29 | 中国移动通信集团北京有限公司 | Facsimile service processing system, method and apparatus |
| WO2016011730A1 (en) * | 2014-07-25 | 2016-01-28 | 中兴通讯股份有限公司 | Method, device, and system for switching from fax channel to voice channel |
| CN105592246A (en) * | 2015-12-16 | 2016-05-18 | 上海市共进通信技术有限公司 | VOIP-based system and method for automatically shielding fax calls |
| CN111669475A (en) * | 2020-05-06 | 2020-09-15 | 深圳震有科技股份有限公司 | Fax system response method, fax system and storage medium |
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| US20030193696A1 (en) * | 2002-01-24 | 2003-10-16 | Dominic Walker | Voice and fax over IP call establishment in a communications network |
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| US7133934B1 (en) * | 2002-08-27 | 2006-11-07 | Mindspeed Technologies, Inc. | Adaptive error correction for communications over packet networks |
| CN101197892B (en) * | 2007-12-10 | 2013-03-27 | 中兴通讯股份有限公司 | Fax system and method in mobile communications network |
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- 2010-04-21 CN CN201010154106A patent/CN101841611A/en active Pending
- 2010-08-26 WO PCT/CN2010/076379 patent/WO2011130987A1/en active Application Filing
Patent Citations (1)
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| US20030193696A1 (en) * | 2002-01-24 | 2003-10-16 | Dominic Walker | Voice and fax over IP call establishment in a communications network |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377890A (en) * | 2011-12-05 | 2012-03-14 | 深圳市共进电子股份有限公司 | Method for realizing fax based on voice over internet phone (VOIP) voice communication system |
| CN103023899A (en) * | 2012-12-05 | 2013-04-03 | 广东佳和通信技术有限公司 | Method for multiple data service support in VoIP system |
| CN103023899B (en) * | 2012-12-05 | 2015-09-02 | 广东佳和通信技术有限公司 | The method of a kind of VoIP system several data business support |
| CN104427164A (en) * | 2013-08-21 | 2015-03-18 | 佳能株式会社 | Communication apparatus, control method thereof |
| CN104811579A (en) * | 2014-01-26 | 2015-07-29 | 中国移动通信集团北京有限公司 | Facsimile service processing system, method and apparatus |
| CN104811579B (en) * | 2014-01-26 | 2018-05-22 | 中国移动通信集团北京有限公司 | A kind of facsimile service processing system, method and apparatus |
| WO2016011730A1 (en) * | 2014-07-25 | 2016-01-28 | 中兴通讯股份有限公司 | Method, device, and system for switching from fax channel to voice channel |
| CN105592246A (en) * | 2015-12-16 | 2016-05-18 | 上海市共进通信技术有限公司 | VOIP-based system and method for automatically shielding fax calls |
| CN111669475A (en) * | 2020-05-06 | 2020-09-15 | 深圳震有科技股份有限公司 | Fax system response method, fax system and storage medium |
| CN111669475B (en) * | 2020-05-06 | 2021-12-10 | 深圳震有科技股份有限公司 | Fax system response method, fax system and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011130987A1 (en) | 2011-10-27 |
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