CN106937017A - A kind of fax method for intelligently routing and system based on VoIP - Google Patents
A kind of fax method for intelligently routing and system based on VoIP Download PDFInfo
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- CN106937017A CN106937017A CN201511000948.8A CN201511000948A CN106937017A CN 106937017 A CN106937017 A CN 106937017A CN 201511000948 A CN201511000948 A CN 201511000948A CN 106937017 A CN106937017 A CN 106937017A
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- facsimile
- terminal
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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
- H04N1/32037—Automation of particular transmitter jobs, e.g. multi-address calling, auto-dialing
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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
- H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
- H04N1/32352—Controlling detectability or arrangements to facilitate detection or retrieval of the embedded information, e.g. using markers
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Facsimiles In General (AREA)
Abstract
The present invention discloses a kind of fax method for intelligently routing based on VoIP, and the facsimile message Intelligent routing that will can be sent in call carries out facsimile receptions to called facsimile terminal, and the method is comprised the following steps：Step a：Caller facsimile terminal sets up voice call with called phone set terminal；Step b：After pbx switch receives the fax request of caller facsimile terminal transmission, the called facsimile terminal of calling；Step c：Facsimile transmission link is set up between caller facsimile terminal, pbx switch and called facsimile terminal.By the present invention program, the facsimile message Intelligent routing sent of can conversing carries out facsimile receptions to a pre-set facsimile equipment, the use of facsimile function in voice call process is easily realized, strengthens the Consumer's Experience of communication product, improve the operating efficiency of client.
Description
Technical field
The invention belongs to communication technique field, more particularly to the fax road that voip technology is combined with traditional facsimile art
By method.
Background technology
VoIP（Voice over Internet Protocol）It is exactly in brief by analog signal（Voice）Numeral
Change, with data packet（Data Packet）Form in IP network (IP Network）On do in real time transmission.Maximum excellent of VoIP
Gesture is the environment that can be widely used Internet and global ip interconnection, there is provided more more than traditional business, more preferable service.VoIP
The business such as transmission voice that can be cheap on ip networks, fax, video and data, such as unified messaging service, virtual telephony,
Virtual speech/fax mailbox, directory enquiry service, Internet call centers, Internet call managers, telephone video meeting, electricity
Sub- commercial affairs and the storage of various information forwarding etc., VoIP phones can by IP network by number registration in voip gateway or
On person's VoIP server, other equipment can find the VoIP phones by voip gateway or VoIP server.Along with
Voip technology is constantly deep into daily life, and the business for producing therewith also constantly gives people in daily life
Bring many convenience.
On the other hand, T.30 traditional facsimile art, either faxed and still T.38 fax, and letter is transmitted between the two
Breath, it is necessary to could be completed using two facsimile machines, one as sender, another is used as recipient.In above-mentioned VoIP skills
In art, it is common to use be the terminal device based on IP transmission informations, and these equipment are without the work(for sending or receiving fax
Can, if user will send facsimile message to the user for conversing in call, need first to hang up the user for conversing,
Again the facsimile machine of calling called subscriber carries out facsimile transmission.
Therefore, in view of said circumstances, the present invention will be by fax tone CNG（Calling tone, calling tone）Detection
Or medium type consult to session again in（image）Identification, the fax session Intelligent routing of initiation is preset to one
Good facsimile equipment carries out reception fax, so as to realize the function of carrying out facsimile transmission in IP communication process.
The content of the invention
It is an object of the invention to provide a kind of fax method for intelligently routing based on VoIP, by voip technology and tradition
Facsimile art be combined, the identification of the medium type (image) consulted again based on the detection or session to fax tone, build one
Individual fax Intelligent routing system.
In order to realize foregoing invention purpose, technical scheme is as follows：
A kind of fax method for intelligently routing based on VoIP, the facsimile message Intelligent routing that will can be sent in call to called biography
True terminal carries out facsimile receptions, and the method is comprised the following steps：Step a：Caller facsimile terminal sets up language with called phone set terminal
Sound is conversed；Step b：Pbx switch receives the fax request Re-Invite or facsimile signal CNG of caller facsimile terminal transmission
Afterwards, called facsimile terminal is called；Step c：Set up between caller facsimile terminal, the pbx switch and called facsimile terminal
Facsimile transmission link.
Preferably, in above-mentioned steps b, pbx switch is by detecting CNG fax tones, or detection Re-Invite SDP
In image medium types come receive caller facsimile terminal initiation fax request.
Preferably, in above-mentioned steps c, while facsimile transmission link establishment, it is called phone set terminal and is exchanged by PBX
Machine continues to keep original voice link state.
Preferably, step d can also be included behind above-mentioned steps c, after the completion of facsimile receptions, pbx switch recovers
Called talking link between phone set terminal and caller facsimile terminal, link of the release between pbx switch and called facsimile terminal.
Preferably, if called facsimile terminal is supported T.38, to initiate Re-Invite（SDP T.38）With pbx switch
T.38 consulted, consulted successfully then to start T.38 facsimile message transmission.
Preferably, if called facsimile terminal is not supported T.38, directly to carry out T.30 facsimile negotiation, consult successfully then to open
Beginning T.30 facsimile message transmission.
Additionally, the present invention also provides a kind of fax Intelligent routing system based on VoIP, for caller facsimile terminal,
In the communication system that pbx switch, called phone set terminal, called facsimile terminal are constituted, the facsimile function in voice call is realized,
The caller facsimile terminal mainly includes：Facsimile negotiation unit, facsimile data unit, wherein, facsimile negotiation unit, in voice call
During, the image medium types in facsimile signal CNG or request Re-Invite SDP are sent to pbx switch, and are received
The response that facsimile terminal transmission is returned, facsimile negotiation is carried out with the called facsimile terminal；Fax data transmission unit, passes through
Internet or PSTN nets are transmitted to the facsimile message that T.38 or T.30 called facsimile terminal is carried out.
Preferably, caller facsimile terminal is still further comprised：Telephony unit, voice data transmission unit, and display are single
Unit, wherein, telephony unit is initiated to call the IP for being called phone set terminal, and set up caller facsimile terminal and quilt to pbx switch
Cry the call between phone set terminal；Voice data transmission unit, the transmission for call voice data sends；Display unit, root
According to talking state or FAX mode residing for caller facsimile terminal, corresponding picture character display alarm is carried out.
Preferably, pbx switch mainly includes：SIP controls management module, call management module, fax managing module, biography
True detection module, data transmission module, wherein, facsimile detection module is mainly used in the fax tone sent to caller facsimile terminal
Image medium types in CNG, or Re-Invite SDP are detected；Fax managing module, it is advance with called facsimile terminal
Facsimile link configuration is carried out, CNG the or Re-Invite image medium types from the caller facsimile terminal are received and detect
To complete the Intelligent routing of fax.
Preferably, above-mentioned fax managing module, if called facsimile terminal supports that T.38, it initiates Re-Invite（SDP
T.38）T.38 consulted with pbx switch, pbx switch then starts T.38 fax session；If called facsimile terminal is not propped up
Hold T.38, then pbx switch directly carries out T.30 facsimile negotiation.
Preferably, SIP controls management module is responsible for following functions：SIP signalings to sending are received, decode after pass
Corresponding functional module is passed to perform, including for carrying out function switching between call management module and fax managing module,
To meet the transmission of current facsimile transmission or speech communication；Call management module, for setting up caller facsimile terminal and quilt
Make the call between phone set terminal connect, when caller facsimile terminal carries out facsimile transmission with called facsimile terminal, passed in caller
The true Link State for continuing to keep original call between terminal and called phone set terminal, and when fax completion, reclose
The caller facsimile terminal is connected with the call of the called phone set terminal.
The combination that the present invention passes through facsimile transmission technology and voip technology, realizes the fax meeting to being initiated in communication process
Words carry out Intelligent routing, so as to solve the problems, such as that voice call process can not carry out facsimile receptions, convenient visitor in the prior art
The use at family, and improve the Consumer's Experience sense of communication product.
Brief description of the drawings
Fig. 1 is IP phone fasystem system framework figures in the specific embodiment of the invention；
Fig. 2 is the operational flowchart of fasystem in the specific embodiment of the invention；
Fig. 3 be the specific embodiment of the invention in be based on T3.0 transfer process schematic diagrames；
Fig. 4 is based on the schematic flow sheet that T.38 transmits in the specific embodiment of the invention；
Fig. 5 is the fax Intelligent routing based on identification medium type image in the specific embodiment of the invention；
Fig. 6 is the functional block diagram of caller device and pbx switch in the specific embodiment of the invention.
Specific embodiment
The purpose of the present invention will be conversed the facsimile message Intelligent routing sent to a pre-set fax
Equipment carries out facsimile receptions.Based on this, general principle of the invention is by fax tone（CNG）Detection or session is assisted again
Medium type in business（image）Identification, the fax session Intelligent routing that will be initiated is to a pre-set facsimile equipment
Carry out reception fax.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
The operation principle of fasystem of the present invention is：Facsimile terminal first with phone set terminal（Endpoint）Voice is set up to lead to
Talk about, then facsimile terminal starts to send fax, and pbx switch is sent to by PSTN or Internet, when pbx switch inspection
After measuring CNG sounds or Re-Invite image medium types, then fax end of the Intelligent routing to pre-configured called equipment
End, and hold mode is between phone set terminal and pbx switch all the time, after PBX receives DCN signalings, pbx switch will be extensive
Voice call between the facsimile terminal of multiple phone set terminal and caller device.
Fig. 1 is IP phone fasystem system framework figures in the specific embodiment of the invention.It will be seen from figure 1 that the system
Mainly it is made up of four parts, respectively：Caller facsimile terminal, Internet or PSTN nets, pbx switch（Private
Branch Exchange, private branch exchange system）With called phone set terminal, and pre-configured called facsimile terminal.Caller is passed
True terminal mainly completes the reception and transmission of fax paper, and Internet or PSTN nets are mainly used to fax data transmission, with
And carry out call voice transmission with called phone set terminal, pbx switch be mainly used to T.38 with the conversion between T.30 data with
And detection CNG or image medium types come complete fax Intelligent routing, called phone set terminal be mainly used to and caller fax eventually
Voice call is set up at end.
Fig. 2 is the operational flowchart of fasystem in the specific embodiment of the invention.In fig. 2, caller facsimile terminal is first
Between called phone set terminal（By traditional PSTN lines or IP network）Voice call is set up, the caller fax in call
Terminal starts to send fax, and pbx switch goes calling to match somebody with somebody in advance by detecting the image medium types in CNG sounds or SDP
The called facsimile terminal put, at this moment establishes between caller facsimile terminal, pbx switch and pre-configured facsimile terminal
New link, and called phone set terminal then continues to keep original Link State by pbx switch, treats that fax is finished receiving
Afterwards, if necessary to continue to converse, pbx switch recovers called talking link between phone set terminal and caller facsimile terminal again, from
And discharge the link between pbx switch and pre-configured called facsimile terminal.
In the specific embodiment of the invention, with support, T.30 host-host protocol and support T3.8 host-host protocols are carried out respectively for we
Describe in detail.Fig. 3 be the specific embodiment of the invention in be based on T3.0 transfer process schematic diagrames.As shown in figure 3, in the specific implementation
In the fasystem of example, mainly include caller facsimile terminal, pbx switch, called phone set terminal, and pre-configured quilt
Facsimile terminal is, and called phone set terminal does not possess facsimile function, and caller facsimile terminal possesses fax and voice call function.
Specific implementation step of the invention is as follows：
Step 310：Caller facsimile terminal sets up voice call with called phone set terminal by pbx switch.
Step 320：Caller facsimile terminal starts to send fax tone CNG to pbx switch（1100Hz）.
Step 330：Pbx switch detects fax tone CNG tone.
Step 340：Pbx switch sends HangUp signalings to called phone set terminal, and passes through between called phone set terminal
Hold keeps original Link State.
Step 350：Pbx switch sends " Dial " signal to the called facsimile terminal tool pre-configured to start calling
There is the facsimile equipment of facsimile function, it refers to connect the terminal device with facsimile function at PBX FXS mouthfuls to be pre-configured with facsimile equipment.
Step 360：If the called facsimile terminal is supported T.38, to initiate Re-Invite（SDP T.38）Exchanged with PBX
T.38, machine is consulted, and starts T.38 fax session；If the called facsimile terminal is not supported T.38, directly T.30 to be passed
It is true to consult.
Step 370：T.38 or T.30 facsimile message is transmitted for beginning.
Step 380：Facsimile transmission is completed, and fax session is terminated by DCN.
Step 390：PBX can by recognizing DCN signals, point out user carry out selection hang call be also to continue with it is previous
Voice call.
Fig. 4 based on called facsimile terminal in instantiation of the present invention to support T.38 to transmit, and PBX is by detecting caller end
The Intelligent routing system flow schematic diagram for holding the CNG sounds for sending to realize.In the figure, specific implementation step of the invention is such as
Under：
Step 410：Caller facsimile terminal sets up voice call with called phone set terminal.
Step 420：Caller facsimile terminal starts to send fax tone CNG to pbx switch（1100Hz）.
Step 430：Pbx switch detects fax tone CNG tone.
Step 440：HangUp signalings are sent to called phone set terminal, and keeps former by hold between called phone set terminal
The Link State for coming.
Step 450：After detecting CNG, Dial supports the pre-configured called fax with facsimile function T.38
Terminal, Re-Invite is initiated by called facsimile terminal (SDP is T.38).
Step 460：Pbx switch sends 200 OK（SDP T.38）To called facsimile terminal, T.38 consult successfully.
Step 470：Start T.38 facsimile message transmission.
Step 480：T.38 facsimile transmission is completed, and fax session is terminated by DCN.
Described T.38 negotiation in the invention described above specific embodiment, is exactly T.38 to be consulted first, after consulting successfully,
It is with that T.30 to consult, and T.30 data will be packed in the form of the network bag T.38 consulted, and IP is then put into again
Transmitted in net；That is, T.30 facsimile posting is necessary, and T.38 consult only to allow the T.30 data can be
A kind of agreement transmitted on IP network and occurred.
In the specific embodiment of the invention, the CNG or image that our Intelligent routing is all based on caller initiation are carried out
, therefore the only CNG or image of detection or identification caller, Intelligent routing system could be built.Fig. 5 is specific real for the present invention
Apply the fax Intelligent routing based on identification medium type image in example.It can be seen that facsimile transmission flow may be referred to substantially
The facsimile method of above-mentioned fax tone CNG detections, simply when caller facsimile terminal initiates fax request Re- to pbx switch
After Invite, by pbx switch identification medium type image.
Fig. 6 is the functional block diagram of caller device and pbx switch in the specific embodiment of the invention.As illustrated, caller
Facsimile terminal mainly includes：Telephony unit, voice data transmission unit, facsimile negotiation unit, fax data transmission unit, display
Unit.
Wherein, telephony unit, for initiating to call the IP for being called phone set terminal to pbx switch, and sets up caller biography
True call between terminal and called phone set terminal.
Voice data transmission unit, the transmission for call voice data sends.
Facsimile negotiation unit, in voice call process, the CNG or image of initiation receive PBX friendships to pbx switch
The response that called pre-configured called facsimile terminal transmission of changing planes is returned, with the called facsimile terminal carry out T.38 or
T.30 facsimile negotiation.Then it is PBX and the negotiation for supporting T.38 terminal room if T.38 consulting；If T.30 consulting, it is then
The negotiation of calling and called facsimile terminal.
T.38 or T.30 fax data transmission unit, carried out by Internet or PSTN nets to called facsimile terminal
Facsimile message is transmitted.
Display unit, talking state, FAX mode according to residing for the caller facsimile terminal carry out correspondence picture character
Display and prompting.
For the pbx switch referred in the specific embodiment of the invention, mainly include following functions module：SIP control pipes
Reason module, call management module, voice data transmission module, fax managing module, facsimile detection module.
Wherein, SIP controls management module, passes after being responsible for that the SIP signalings that each terminal device sends are received, decoded
Corresponding functional module is passed to perform, including for carrying out function switching between call management module and fax managing module,
To meet the transmission of current facsimile transmission or speech communication.
Call management module, for the call connection set up between caller facsimile terminal and called phone set terminal, works as caller
Continue to keep original when facsimile terminal carries out facsimile transmission with called facsimile terminal, between pbx switch and called phone set terminal
The Link State of call, and when fax completion, pbx switch recloses caller facsimile terminal with called phone set terminal
Call connection.
Voice data transmission module, for the speech data of the communication process between caller facsimile terminal and called phone set terminal
Transmission, transmitting procedure is carried out via pbx switch transfer.
Fax managing module, facsimile link configuration is carried out with called facsimile terminal in advance, it is main complete to T.38 with T.30
Conversion between signaling.When called facsimile terminal supports that T.38, it initiates Re-Invite（SDP T.38）Enter with pbx switch
T.38, row is consulted, and pbx switch then starts T.38 fax session；If the called facsimile terminal is not supported T.38, by initiating
T.30 facsimile negotiation is carried out between called facsimile terminal.
Facsimile detection module, is mainly used in the fax tone CNG sent to caller facsimile terminal, or in Re-Invite SDP
Image medium types detected.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of fax method for intelligently routing based on VoIP, it is characterised in that the fax letter that will can be sent in double-talk
Breath Intelligent routing carries out facsimile receptions to the called facsimile terminal of third party, the described method comprises the following steps：
Step a：Caller facsimile terminal sets up voice call with called phone set terminal；
Step b：After pbx switch receives the fax request that the caller facsimile terminal sends, the called fax is called eventually
End；
Step c：Facsimile transmission is set up between the caller facsimile terminal, the pbx switch and the called facsimile terminal
Link.
2. method according to claim 1, it is characterised in that in the step b, the pbx switch is passed by detecting CNG
Image medium types in true sound, or detection SDP receive the fax request that the caller facsimile terminal is initiated.
3. method according to claim 2, it is characterised in that in the step c, when the facsimile transmission link establishment
When, the called phone set terminal continues to keep original voice link state by pbx switch.
4. method according to claim 3, it is characterised in that step d can also be included behind the step c：Work as fax
After receiving, the pbx switch recovers the voice call chain between the caller facsimile terminal and the called phone set terminal
Road, while discharging the link between the pbx switch and the called facsimile terminal.
5. method according to claim 4, it is characterised in that in the step c, if the called facsimile terminal is supported
T.38, then Re-Invite is initiated（SDP T.38）T.38 consulted with the pbx switch, consult successfully then to start T.38
Facsimile message is transmitted.
6. method according to claim 4, it is characterised in that in the step c, if the called facsimile terminal is not propped up
Hold T.38, then directly carry out T.30 facsimile negotiation, consult successfully to begin to T.30 facsimile message transmission.
7. a kind of fax Intelligent routing system based on VoIP, at caller facsimile terminal, pbx switch, called phone end
In the communication system that end, called facsimile terminal are constituted, the facsimile function in voice call is realized, it is characterised in that the caller
Facsimile terminal mainly includes：Facsimile negotiation unit, facsimile data unit, wherein, the facsimile negotiation unit, in voice call
Cheng Zhong, sends the image medium types in fax tone CNG or request Re-Invite SDP to the pbx switch, and receive
The response that the facsimile terminal transmission is returned, facsimile negotiation is carried out with the called facsimile terminal；The fax data transmission unit,
Transmitted to the facsimile message that T.38 or T.30 called facsimile terminal is carried out by Internet or PSTN nets.
8. system according to claim 7, the caller facsimile terminal is still further comprised：Telephony unit, speech data
Transmission unit, and display unit, wherein, the telephony unit is responsible for initiating the IP to being called phone set terminal to pbx switch
Calling, and the call set up between the caller facsimile terminal and the called phone set terminal；The voice data transmission unit,
Transmission for call voice data sends；The display unit, talking state according to residing for the caller facsimile terminal or
FAX mode, carries out the display alarm of correspondence picture character.
9. system according to claim 8, the pbx switch mainly includes：SIP controls management module, call management
Module, fax managing module, facsimile detection module, wherein, the facsimile detection module is mainly used in sending out caller facsimile terminal
The fax tone CNG for sending, or image medium types in Re-Invite SDP are detected；The fax managing module, with institute
State called facsimile terminal carries out facsimile link configuration in advance, receives and detect CNG or Re- from the caller facsimile terminal
Image medium types in Invite SDP complete the Intelligent routing of fax.
10. system according to claim 9, the fax managing module, if T.38 the called facsimile terminal is supported,
It initiates Re-Invite（SDP T.38）T.38 consulted with the pbx switch, T.38 the pbx switch then starts
Fax session；If T.38 the called facsimile terminal is not supported, T.30 the pbx switch is directly faxed association
Business.
11. systems according to claim 10, the SIP controls management module is responsible for following functions：To the SIP for sending
Signaling received, decode after pass to corresponding functional module and perform, including in the call management module and described
Function switching is carried out between fax managing module, to meet the transmission of current facsimile transmission or speech communication；The call
Management module, for the call connection set up between the caller facsimile terminal and the called phone set terminal, when the caller
When facsimile terminal carries out facsimile transmission with the called facsimile terminal, in the caller facsimile terminal and the called phone set terminal
Between continue to keep the Link State of original call, and when fax completion, reclose the caller facsimile terminal and institute
State the call connection of called phone set terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000948.8A CN106937017A (en) | 2015-12-29 | 2015-12-29 | A kind of fax method for intelligently routing and system based on VoIP |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511000948.8A CN106937017A (en) | 2015-12-29 | 2015-12-29 | A kind of fax method for intelligently routing and system based on VoIP |
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| CN106937017A true CN106937017A (en) | 2017-07-07 |
Family
ID=59457291
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511000948.8A Pending CN106937017A (en) | 2015-12-29 | 2015-12-29 | A kind of fax method for intelligently routing and system based on VoIP |
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Application publication date: 20170707 |