CN101252630B - Faxing method, gateway and system - Google Patents
Faxing method, gateway and system Download PDFInfo
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- CN101252630B CN101252630B CN2007101255489A CN200710125548A CN101252630B CN 101252630 B CN101252630 B CN 101252630B CN 2007101255489 A CN2007101255489 A CN 2007101255489A CN 200710125548 A CN200710125548 A CN 200710125548A CN 101252630 B CN101252630 B CN 101252630B
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Abstract
The invention discloses a fax method. The method includes that firstly, a fax gateway receives a first fax call sent from an original fax terminal to a target fax terminal, stop the first fax call when the original fax terminal is not the sender of non-fax page data and memorize the number of the original fax terminal and the number of the target fax terminal; secondly, start a second fax call to the target fax terminal, receive and memorize the fax page data transmitted by the target fax terminal through the second fax call; thirdly, start a third fax call to the original fax terminal and transmit the fax page data to the original fax terminal through the third fax call. Through the fax gateway introduced to the fax system and supporting the T.30/T.38 protocol, the embodiment of the invention resolves the first real-time faxing into times of real-time faxing, reducing the delay of transmission in real-time faxing and improve the faxing success ratio.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of facsimile method, fax gateway and fasystem.
Background technology
Existing fax is divided into real-time fax and non real-time fax, wherein, real-time fax has three classes, comprise: PSTN (Public Switched Telephone Network, public switch telephone network) fax, radio facsimile and Fax over IP, real-time fax requires real-time, but in the real-time fax that the IP of wireless real-time fax and the bigger delay of existence carries, exist and eat dishes without rice or wine to postpone, error code and the re-transmission that therefore causes, and too much modulation process, for example, the MS of a standard (Mobile Subscriber, the mobile subscriber) to all directly cause system delay excessive, and the fax success rate that causes thus be lower through 3 groups of 6 modulation processes to the radio facsimile of MS; In addition, in some special application scenarioss, the introducing of satellite transmits link also can be introduced bigger delay and jitter, and therefore wireless real-time fax of the prior art and Fax over IP success rate are lower, and more excellent fax services quality can't be provided.
Existing non real-time facsimile art has improved the quality of fax services based on the storage forwarding mechanism, referring to Fig. 1, between PSTN and gateway, adopt the T.30 real-time fax of mode, between gateway and Email client or gateway and support facsimile terminal T.37, adopt load mode based on the Email agreement.After gateway is received facsimile call from PSTN, this calling that terminates, with the message data storage and be converted to image file, the mode with Email sends to Email client or support facsimile terminal T.37 by the internet then.
But, above-mentioned non real-time facsimile art have a following shortcoming:
What this fax reality realized is the fax of PSTN-Internet, the fax user of one side need or support facsimile machine T.37 to carry out facsimile service by the Email client, and most in fact in the market facsimile machines all are based on facsimile machine T.30, quantity is impossible all change support facsimile machine T.37 into up to hundreds of millions.In addition, use the Email mode not meet the understanding of people for fax.Why fax is widely used, because it is believed that the content that it transmits is directly, true and reliable exactly, therefore has formal meaning in multiple occasion; And make that by the mode of Email fax is a non real-time, and therefore in fail safe, there are problems, credible poor.
Summary of the invention
It is a kind of in the facsimile method based on store-and-forward mechanism that T.30/T.38 carries out between facsimile terminal, fax gateway and fasystem that main purpose of the present invention is to provide, to improve the success rate of the real-time fax that T.30/T.38 carries out between facsimile terminal.
To achieve these goals, embodiments of the invention provide following technical scheme:
A kind of facsimile method, described method comprises:
Fax gateway receives first facsimile call of being initiated to the purpose facsimile terminal by the facsimile terminal that starts, when the described facsimile terminal that starts is the transmit leg of non-fax page data, described first facsimile call that terminates is stored the number of the described facsimile terminal that starts and the number of described purpose facsimile terminal simultaneously;
Initiate second facsimile call to described purpose facsimile terminal, send the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receive and store the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends;
Initiate the 3rd facsimile call to the described facsimile terminal that starts, described fax page data is sent to the described facsimile terminal that starts by described the 3rd facsimile call;
When the described facsimile terminal that starts is the transmit leg of fax page data, store the number of described purpose facsimile terminal, receive and store the fax page data that the described facsimile terminal that starts sends simultaneously; Initiate second facsimile call to described purpose facsimile terminal, described fax page data is sent to described purpose facsimile terminal by described second facsimile call.
A kind of fasystem, described system comprises: switching equipment and fax gateway;
Described switching equipment, be used to receive first facsimile call that facsimile terminal initiates that starts, and described first facsimile call is forwarded to fax gateway, receive second facsimile call that described fax gateway is initiated, and described second facsimile call is forwarded to the purpose facsimile terminal, and receive the 3rd facsimile call that described fax gateway is initiated, and described the 3rd facsimile call is forwarded to the described facsimile terminal that starts;
Described fax gateway, be used to receive described first facsimile call that described switching equipment is transmitted, when the described facsimile terminal that starts is the transmit leg of non-fax page data, described first facsimile call terminates, store the number of the described facsimile terminal that starts and the number of described purpose facsimile terminal simultaneously, initiate second facsimile call to described purpose facsimile terminal, send the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receive and store the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends, and initiate the 3rd facsimile call to the described facsimile terminal that starts, by described the 3rd facsimile call described fax page data is sent to the described facsimile terminal that starts; When the described facsimile terminal that starts is the transmit leg of fax page data, store the number of described purpose facsimile terminal, receive and store the fax page data that the described facsimile terminal that starts sends simultaneously; Initiate second facsimile call to described purpose facsimile terminal, described fax page data is sent to described purpose facsimile terminal by described second facsimile call.
A kind of fax gateway, described fax gateway comprises:
The first facsimile call processing unit, be used to receive first facsimile call that facsimile terminal initiates that starts, judge whether the described facsimile terminal that starts is fax page data transmit leg, described first facsimile call and notify the number of the described facsimile terminal that starts of cell stores and the number of purpose facsimile terminal if described judged result for not, terminates;
Described memory cell is used to store the number of described start facsimile terminal and purpose facsimile terminal;
The second facsimile call processing unit, be used for initiating second facsimile call to described purpose facsimile terminal, when judging that second facsimile call of self initiating does not need to send the fax page data, send the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receive and store the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends, and received fax page data is sent to described cell stores;
The 3rd facsimile call processing unit, be used for initiating the 3rd facsimile call, the fax page data that the described purpose facsimile terminal of being stored in the described memory cell sends sent to the described facsimile terminal that starts by described the 3rd facsimile call to the described facsimile terminal that starts;
The described first facsimile call processing unit also be used for judge described start facsimile terminal for the fax page data transmit leg the time, receive the fax page data that the described facsimile terminal that starts sends, and notify the number of described fax page data of described cell stores and purpose facsimile terminal;
Described memory cell also is used to store the described page data of facsimile terminal transmission and the number of purpose facsimile terminal of starting;
The described second facsimile call processing unit also is used for after initiating described second facsimile call, when judging that second facsimile call of self initiating need send the fax page data, send the fax page data of the described facsimile terminal transmission of starting of described cell stores to the purpose facsimile terminal by described second facsimile call.
Embodiments of the invention are supported the T.30/T.38 fax gateway of agreement by introducing in fasystem, by this fax gateway the fax page data that receives is stored, the new facsimile call of follow-up initiation is transmitted the fax page data of being stored, a real-time fax is decomposed into repeatedly real-time fax to carry out, reduce the delay of transmitting in the real-time fax, improved fax success rate.
Description of drawings
Fig. 1 is that existing non real-time fasystem is formed schematic diagram;
Fax gateway receives the flow chart of the facsimile call that the facsimile terminal that starts initiates in the facsimile method that Fig. 2 provides for method embodiment one;
Fax gateway is initiated the flow chart that new facsimile call is transmitted the fax page data in the facsimile method that Fig. 3 provides for the inventive method embodiment one;
Fig. 4 is the flow chart of the inventive method embodiment two facsimile postings;
Fig. 5 is the composition frame chart of system embodiment of the present invention;
Fig. 6 is the composition frame chart of fax gateway embodiment of the present invention;
Fig. 7 is the composition frame chart of switching equipment embodiment of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, embodiments of the invention are further elaborated below in conjunction with drawings and Examples.
Embodiments of the invention are introduced in fasystem and are supported the T.30/T.38 fax gateway (FG of real-time fax agreement, Fax Gateway), this fax gateway receives the fax page data of the facsimile terminal transmission of starting and stores, initiate new facsimile call again the fax page data of being stored is forwarded to the purpose facsimile terminal, by storage and the forwarding capability of this fax gateway realization to facsimile signal, a real-time fax is decomposed into repeatedly real-time fax, reduce transmission delay, improved fax success rate.
Referring to Fig. 2, fax gateway receives the flow chart of the facsimile call that the facsimile terminal that starts initiates in the facsimile method that provides for the inventive method embodiment one, and flow process is as follows:
Step 201: the facsimile terminal that starts is initiated first facsimile call to the purpose facsimile terminal;
Step 202: after access device receives first facsimile call of the facsimile terminal initiation of starting, this first facsimile call is forwarded to the switching equipment of its ownership;
Step 203: after switching equipment receives this first facsimile call, judge that this first facsimile call is the facsimile call that non-fax gateway is initiated, and is routed to fax gateway FG with this first facsimile call;
Step 204: fax gateway FG responds this first facsimile call;
Step 205: after the facsimile terminal that starts receives the response message of described fax gateway, fax gateway judges whether the facsimile terminal that starts of initiating described first facsimile call is the transmit leg of fax page data, if, execution in step 206, if not, execution in step 207;
Step 206: fax gateway receives the fax page data and the control information of the fax page of this first facsimile call, store received fax page data simultaneously, and with the number storage of this first facsimile call purpose facsimile terminal purpose side's number for the facsimile call of self initiating, need to prove, the page control information of also can receiving faxes of described fax gateway, the control information of the fax page comprises information such as page-size, resolution;
Step 207: fax gateway described first facsimile call that terminates, for example send the information specimen page to the facsimile terminal that starts, store the number of the described facsimile terminal that starts simultaneously, and with the number storage of the purpose facsimile terminal of this first facsimile call purpose side's number for the facsimile call of self initiating.
Referring to Fig. 3, fax gateway is initiated the flow chart that new facsimile call is transmitted the fax page data in the facsimile method that provides for the inventive method embodiment one, and flow process is as follows:
Step 301: fax gateway judges whether to satisfy the trigger condition of initiating new facsimile call, if do not satisfy, fax gateway is not initiated new facsimile call, receive the flow process of the facsimile call of the facsimile terminal initiation of starting in the continuation execution graph 2, if satisfy, execution in step 302, wherein, facsimile terminal is the transmit leg of fax page data if start, described fax gateway judges whether that trigger condition that satisfy to initiate new facsimile call is specially: fax gateway FG judge whether to receive all or the fax page data of the described predetermined number of fax page data of predetermined number be according to fax gateway FG receive faxes page data speed with and to send the speed of fax page data predefined, after the fax page data of described predetermined number only need guarantee that the new facsimile call of fax gateway FG initiation begins to send the fax page data, the fax page data amount that fax gateway FG is stored enough guaranteed to send getting final product in order of fax page data to the purpose facsimile terminal; If the caller facsimile terminal is the recipient of fax page data, described fax gateway judges whether that trigger condition that satisfy to initiate new facsimile call is specially: fax gateway FG judges whether to store the number of the facsimile terminal that starts of first facsimile call;
Step 302: initiate purpose side's number of facsimile call according to self of being stored, initiate second facsimile call to the purpose facsimile terminal of first facsimile call;
Step 303: after second facsimile call is sent to the switching equipment of the facsimile terminal ownership that starts, switching equipment is judged this second facsimile call and is initiated for fax gateway FG, then the number according to the purpose facsimile terminal is routed to the purpose facsimile terminal with this second facsimile call, the purpose facsimile terminal responds this second facsimile call, and fax gateway receives the response message of this second facsimile call;
Step 304: fax gateway judges whether second facsimile call of self initiating needs to send the fax page data, if, execution in step 305, if not, execution in step 306;
Step 305: the fax page data of first facsimile call that fax gateway FG stores self by described second facsimile call sends to the purpose facsimile terminal of described first facsimile call, finishes the fax flow process;
Step 306: fax gateway is updated to the number of the facsimile terminal that starts of described first facsimile call with purpose side's number of self initiating facsimile call, promptly uses the number of the facsimile terminal that starts of first facsimile call of being stored to replace the number of the purpose facsimile terminal of described first facsimile call;
Step 307: fax gateway sends the indication information that caller is received faxes by described second facsimile call to the purpose facsimile terminal, and the purpose facsimile terminal receives the indication information that described caller is received faxes;
Step 308: after the purpose facsimile terminal receives the indication information that described caller receives faxes, send to fax gateway by described second facsimile call page data of will faxing, described fax gateway receives also stores described fax page data;
Step 309: fax gateway judges whether to satisfy the trigger condition of initiating new facsimile call once more, if satisfy, carries out 310, if not, then returns execution in step 308;
Step 310: the purpose side's number according to the facsimile call of being stored of self initiating is initiated the 3rd facsimile call, promptly initiates the 3rd facsimile call to the facsimile terminal that starts of first facsimile call;
Step 311: after fax gateway receives the response message of facsimile terminal to the 3rd facsimile call that start of described first facsimile call, then the fax page data that self receives and store into by second facsimile call is sent to the facsimile terminal that starts of described first facsimile call by described the 3rd facsimile call.
Among this method embodiment one, start and to pass through SIP (Session Initiation Protocol between switching equipment that facsimile terminal belonged to and the fax gateway FG, session initiation protocol), H.248 agreement, MGCP (Media Gateway Control Protocol, MGCP), ISUP (IntegratedServices Digital Network User Part, the ISDNYong Hubufen agreement) or TUP (Telephone UserPart, the Telephone User Part agreement) connects, thereby, after described switching equipment receives first facsimile call of the facsimile terminal that starts and judges the facsimile call that this first facsimile call is non-fax gateway initiation, this first facsimile call can be routed to fax gateway FG, described switching equipment also can receive second facsimile call that fax gateway FG initiates; Described fax gateway FG supports T.30/T.38 real-time fax agreement, can receive from the facsimile call of the T.30 form of circuit commutative field or from the facsimile call of the T.38 form in IP territory, also can initiate new facsimile call, and realize storage and forwarding facsimile signal to circuit domain or IP territory.
Referring to Fig. 4, it is example that the inventive method embodiment two sends real-time fax with the facsimile terminal that starts that is positioned at wireless network in the circuit domain to the purpose facsimile terminal that is positioned at public switched telephone network (PSTN) PSTN (Public Switched Telephone Network), wherein, the transmit leg of fax page data is the facsimile terminal that starts, the recipient of fax page data is the purpose facsimile terminal, and its facsimile posting is as follows:
Step 401: the facsimile terminal that starts that is positioned at wireless network is initiated first facsimile call, and this first facsimile call is sent among moving exchanging center MSC (Mobile Switching the Center)/Interworking Function IWF (Interworking Function) of the facsimile terminal ownership that starts via access device BSS;
Step 402: described moving exchanging center MSC receives this first facsimile call, judges that this first facsimile call is the facsimile call that non-fax gateway is initiated, and then is routed to fax gateway FG with described first facsimile call; Wherein, be connected by Session Initiation Protocol between moving exchanging center MSC and the fax gateway FG, the process that fax order and response message format are changed in the fax handshaking procedure does not repeat them here;
Step 403-step 404: after fax gateway FG receives described first facsimile call, send the call to this first facsimile call, described call is returned to the facsimile terminal that starts by MSC/IWF and BSS;
Step 405: fax gateway FG judges the transmit leg that the facsimile terminal that starts of initiating described first facsimile call is the fax page data, begin to receive the fax page data that facsimile terminal sends that starts, the number storage of storing the fax page data of described fax and purpose facsimile terminal that will described first facsimile call simultaneously is purpose side's number of the facsimile call of self initiation;
Step 406: fax gateway FG discharges this first facsimile call after receiving whole fax page datas of the facsimile terminal transmission of starting;
Step 407: fax gateway FG judges owing to self received whole fax page datas to satisfy the trigger condition of initiating new facsimile call, then initiate second facsimile call according to purpose side's number of self initiating facsimile call of storage, this second facsimile call is forwarded to moving exchanging center MSC, in other embodiments of the invention, this step 407 can also occur in before the step 406, the trigger condition that fax gateway is initiated new facsimile call also can be the fax page data that FG receives predetermined number, fax gateway can not begin to initiate second facsimile call to the purpose facsimile terminal when all the fax page data receives fully, the fax page data that only needs its fax page data of storing of assurance to reach predetermined number can be initiated second facsimile call, after fax gateway FG receives whole fax page datas in the step 406 under this kind situation, whenever the step that discharges this facsimile call can occur in after the step 407, described in the fax page data such as embodiment one of wherein said predetermined number, do not repeat them here;
Step 408-step 409: after moving exchanging center MSC receives this second facsimile call, judge the calling that this second facsimile call is initiated for fax gateway FG, then the switching center of the public switched telephone network (PSTN) by purpose facsimile terminal ownership is routed to the purpose facsimile terminal with this second facsimile call;
Step 410-step 412: after the purpose facsimile terminal receives facsimile call, send call message to fax gateway FG, this call message is forwarded to fax gateway FG;
Step 413: after fax gateway FG receives the call message of purpose facsimile terminal, judge that second facsimile call of self initiating need send the fax page data, then is transmitted to the purpose facsimile terminal with the fax page data of being stored that receives from the facsimile terminal that starts;
Step 414: fax gateway FG will start after whole fax page datas that facsimile terminal sends all are forwarded to the purpose facsimile terminal, discharge the facsimile call of self initiating.
In the present embodiment two, the facsimile call that the facsimile terminal that starts is initiated is connected to fax gateway FG, after fax gateway FG receives the fax page data of the facsimile terminal that starts, store earlier, when receive fax page data fully or to store the fax page data of predetermined number into after, fax gateway FG initiates new facsimile call to the purpose facsimile terminal, the fax page data of being stored is transmitted, with one time T.30 real-time fax be decomposed into T.30 real-time fax twice, in this process, reduce transmission delay, therefore improved fax success rate.
It is example that present embodiment two sends real-time fax with the facsimile terminal that starts that is positioned at wireless network in the circuit domain to the purpose facsimile terminal that is positioned at the PSTN network, starting in other embodiments of the invention/purpose facsimile terminal can also be positioned at wireless network, the PSTN network, IMS (interactive Multimedia Service, the interactive multimedia service) network, optional position among the Internet, described wireless network can be GSM, WCDMA, TD-SCDMA or cdma network, in addition, the method of the embodiment of the invention is equally applicable to the packet domain fax, in specific implementation process, when facsimile terminal and purpose facsimile terminal use different agreement if start, T.30 and carry out format conversion T.38 promptly need be, concrete transfer process is carried out according to agreement, does not repeat them here.
Referring to Fig. 5, be the embodiment composition frame chart of fasystem provided by the invention, system comprises in the present embodiment: switching center 56 and purpose facsimile terminal 57 in the facsimile terminal 51 that starts, access device 52, the side shifting that starts switching center server 53, fax gateway 54, media gateway 55, the PSTN network;
First facsimile call that the facsimile terminal 51 that starts is initiated purpose facsimile terminal 57, described first facsimile call is forwarded to the Mobile Switching Center Server 53 of the facsimile terminal 51 place networks that start by the base station in the access device 52 521, base station controller 522;
After Mobile Switching Center Server 53 receives this first facsimile call, judge that this first facsimile call is the facsimile call that non-fax gateway is initiated, and is routed to fax gateway 54 with this first facsimile call;
After fax gateway 54 receives this first facsimile call, respond this first facsimile call, if judging the facsimile terminal that starts of initiating described first facsimile call is the transmit leg of fax page data, then begin to receive the fax page data that facsimile terminal 51 sends that starts, described fax page data is sent to fax gateway 54 via access device 52, media gateway 55, fax gateway 54 is stored received fax page data simultaneously, and with the number storage of the purpose facsimile terminal of described first facsimile call purpose side's number for the facsimile call of self initiating; Behind the fax page data that receives whole or predetermined number, fax gateway 54 is initiated second facsimile call to purpose facsimile terminal 57, after Mobile Switching Center Server 53 receives described second facsimile call, judge that described second facsimile call is the facsimile call that fax gateway is initiated, then will this second facsimile call be routed to purpose facsimile terminal 57 by the switching center 56 of purpose facsimile terminal 57 place PSTN networks, behind purpose facsimile terminal 57 these second facsimile calls of response, fax gateway judges that second facsimile call of self initiating need send the fax page data, and then fax gateway 54 sends to purpose facsimile terminal 47 with the fax page data of being stored;
After fax gateway 54 receives and responds first facsimile call, if judging the facsimile terminal that starts of initiating described first facsimile call is the recipient of fax page data, fax gateway 54 described first facsimile calls of termination are also stored the number of the described facsimile terminal that starts, and with the number storage of the purpose facsimile terminal of this first facsimile call purpose side's number for the facsimile call of self initiation; After the number of starting of first facsimile call and purpose facsimile terminal has been stored in fax gateway 54 judgements, fax gateway 54 is initiated second facsimile call to purpose facsimile terminal 57, after Mobile Switching Center Server 53 receives described second facsimile call, judge that described second facsimile call is the facsimile call that fax gateway is initiated, then will this second facsimile call be routed to purpose facsimile terminal 57 by the switching center 56 of purpose facsimile terminal 57 place PSTN networks, behind purpose facsimile terminal 57 these second facsimile calls of response, fax gateway 54 judges that second facsimile call of self initiating does not need to send the fax page data, purpose side's number of then self being initiated facsimile call is updated to the number of the facsimile terminal that starts of described first facsimile call, and send the indication information that callers are received faxes to purpose facsimile terminal 57 by described second facsimile call, behind the indication information that the described caller of purpose facsimile terminal 57 receptions is received faxes, send to fax gateway 54 by described second facsimile call page data of will faxing, described fax gateway 54 receives also stores described fax page data; After fax gateway 54 is judged the fax page data that has received whole or predetermined number, the facsimile terminal 51 that starts to first facsimile call is initiated the 3rd facsimile call, after receiving the response message of 51 pairs the 3rd facsimile calls of facsimile terminal that start of described first facsimile call, the fax page data that self receives and store into by second facsimile call is sent to the facsimile terminal 51 that starts of described first facsimile call by described the 3rd facsimile call.
It is example that native system embodiment sends real-time fax with the facsimile terminal that starts that is positioned at wireless network in the circuit domain to the purpose facsimile terminal that is positioned at the PSTN network, in other system embodiment of the present invention, the Mobile Switching Center Server of the side that starts can also be other switching equipment according to the network type at the facsimile terminal place of starting.
Referring to Fig. 6, be the composition frame chart of fax gateway 54 among the said system embodiment, fax gateway comprises in the present embodiment: the first facsimile call processing unit 61, memory cell 62, trigger element 63, the second facsimile call processing unit 64 and the 3rd facsimile call processing unit 65;
The described first facsimile call processing unit 61 is used to receive first facsimile call that the facsimile terminal 51 that starts that Mobile Switching Center Server 53 transmits is initiated, respond this first facsimile call, after the facsimile terminal that starts of judging described first facsimile call is for fax page data transmit leg, receive the fax page data of described first facsimile call, after the facsimile terminal that starts of judging described first facsimile call was for fax page data recipient, described first facsimile call terminated; The described first facsimile call processing unit 61 comprises: the first facsimile call control module 611, first judge module 612, the first fax page data receiver module 613, after the first facsimile call control module 611 receives first facsimile call, transmission is to the response of this first facsimile call, when described response is started after facsimile terminal 51 receives, first judge module 612 judges whether the facsimile terminal that starts of described first facsimile call is fax page data transmit leg, when described first judge module 612 judges that the facsimile terminal that starts of described first facsimile call is fax page data transmit leg, the first fax page data receiver module 613 begins to receive the fax page data that facsimile terminal 51 sends that starts, when described first judge module 612 is judged the non-fax page data of the facsimile terminal that the starts transmit leg of described first facsimile call, described first facsimile call of the described first facsimile call control module, 611 terminations;
Described memory cell 62 is used for when the facsimile terminal that starts of described first facsimile call is fax page data transmit leg, store the described first fax page data receiver module 613 page data of receiving faxes, when the facsimile terminal that starts of described first facsimile call is fax page data transmit leg, store the number of the facsimile terminal 51 that starts that the described first facsimile call control module 611 receives, and with the number storage of the purpose facsimile terminal 57 of first facsimile call purpose side's number for the facsimile call of self initiating;
Described trigger element 63 is used to judge whether described memory cell 62 has stored the fax page data of the whole or predetermined number of facsimile terminal 51 transmissions of starting, be used to perhaps judge whether described memory cell 62 has stored the number of the facsimile terminal 51 that starts, when described judged result when being, trigger element 63 triggers the second facsimile call processing unit 64 and initiates second facsimile call;
The described second facsimile call processing unit 64 is used for initiating second facsimile call according to the triggering of trigger element 63 to purpose facsimile terminal 57, after receiving the call of purpose facsimile terminal 57, judge whether second facsimile call of self initiating needs to send the fax page data, if, the fax page data of storage in the memory cell 62 is sent to purpose facsimile terminal 57, if not, purpose side's number of self initiating facsimile call is updated to the number of the facsimile terminal 51 that starts of described first facsimile call, and send the indication information that callers are received faxes to purpose facsimile terminal 57 by described second facsimile call, behind the indication information that the described caller of purpose facsimile terminal 57 receptions is received faxes, send to fax gateway 54 by described second facsimile call page data of will faxing, described fax gateway 54 receives also stores described fax page data; The described second facsimile call processing unit 64 comprises: the second facsimile call control module 641, second judge module 642, the second fax page data sending module 643 and the second fax page data receiver module 644, the second facsimile call control module 641 is used for initiating second facsimile call and receiving the call that purpose facsimile terminal 57 sends to purpose facsimile terminal 57 according to the triggering of trigger element 63, second judge module 642 is used for after the second facsimile call control module 641 receives the call of purpose facsimile terminal 57 transmissions, judge whether second facsimile call of self initiating needs to send the fax page data, if, trigger the described second fax page data sending module 643 the fax page data of storing in the memory cell 62 is sent to purpose facsimile terminal 57, if the judged result of second judge module 642 is for denying, then trigger the number that memory cell 52 is updated to purpose side's number of fax gateway self initiation facsimile call the facsimile terminal 51 that starts of described first facsimile call, and trigger the second facsimile call control module 641 to sending the indication information that caller is received faxes to purpose facsimile terminal 57 by described second facsimile call, the described second fax page data receiver module 644 is used to receive purpose facsimile terminal 57 behind the indication information that the caller that receives 641 transmissions of the second facsimile call control module is received faxes, by the fax page data of described second facsimile call transmission;
Then, described memory cell 62 also is used to store the fax page data that the described second purpose facsimile terminal of faxing 644 receptions of page data receiver module sends; Described trigger element 63 is used to also to judge whether the fax page data that the purpose facsimile terminal of memory cell 62 storages sends reaches all or predetermined number, if trigger described the 3rd facsimile call processing unit 65 and initiate the 3rd facsimile call to the facsimile terminal that starts;
Described the 3rd facsimile call processing unit 65 is used for initiating the 3rd facsimile call to the facsimile terminal that starts, after receiving the response message of 51 pairs the 3rd facsimile calls of facsimile terminal that start of described first facsimile call, the fax page data that self receives and store into by second facsimile call is sent to the facsimile terminal 51 that starts of described first facsimile call by described the 3rd facsimile call; Described the 3rd facsimile call processing unit 65 comprises the 3rd facsimile call control module 651 and the 3rd fax page data sending module 652.
Referring to Fig. 7, composition frame chart for Mobile Switching Center Server 53 among the said system embodiment, Mobile Switching Center Server 53 comprises in the present embodiment: facsimile call receiver module 71, judge module 72, facsimile call connecting module 73, described facsimile call receiver module 71 are used to receive start first facsimile call of facsimile terminal 51 initiations or second and third facsimile call of gateway 54 initiations of receiving faxes; Judge module 72 is used to first facsimile call of judging that facsimile call receiver module 71 receives, the calling whether fax gateway is initiated of second facsimile call or the 3rd facsimile call, when judging described first facsimile call is the calling that non-fax gateway is initiated, then notify facsimile call connecting module 73 that first facsimile call is routed to fax gateway 54, when judging described second, three facsimile calls are callings that fax gateway is initiated, and then notify facsimile call connecting module 73 according to the number of purpose facsimile terminal facsimile call to be routed to purpose facsimile terminal 57 or the facsimile terminal 51 that starts.
Embodiments of the invention are introduced fax gateway in fasystem, this fax gateway receives the fax page data of the facsimile terminal transmission of starting and stores, initiate new facsimile call again the fax page data of being stored is forwarded to the purpose facsimile terminal, by storage and the forwarding capability of this fax gateway realization to facsimile signal, a real-time fax is decomposed into repeatedly real-time fax, reduce transmission delay, improved fax success rate; In addition, this fax gateway is supported T.30/T.38 real-time fax agreement, be applicable to GSM, WCDMA, TD-SCDMA, cdma network, PSTN network, IMS network and Internet, make the T.30/T.38 real-time fax between above-mentioned each network internal and each network realize, and do not need facsimile terminal is changed by storing the mode of transmitting.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (14)
1. a facsimile method is characterized in that, described method comprises:
Fax gateway receives first facsimile call of being initiated to the purpose facsimile terminal by the facsimile terminal that starts, when the described facsimile terminal that starts is when not being the transmit leg of fax page data, described first facsimile call that terminates is stored the number of the described facsimile terminal that starts and the number of described purpose facsimile terminal simultaneously;
Initiate second facsimile call to described purpose facsimile terminal, send the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receive and store the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends; Initiate the 3rd facsimile call to the described facsimile terminal that starts, described fax page data is sent to the described facsimile terminal that starts by described the 3rd facsimile call.
When the described facsimile terminal that starts is the transmit leg of fax page data, store the number of described purpose facsimile terminal, receive and store the fax page data that the described facsimile terminal that starts sends simultaneously; Initiate second facsimile call to described purpose facsimile terminal, described fax page data is sent to described purpose facsimile terminal by described second facsimile call.
2. method according to claim 1 is characterized in that, when the described facsimile terminal that starts when not being the transmit leg of fax page data, describedly before the described facsimile terminal that starts is initiated the 3rd facsimile call, also comprise:
Described fax gateway has judged whether to store the fax page data of the described purpose facsimile terminal transmission of whole or predetermined number, if initiate the 3rd facsimile call to the described facsimile terminal that starts.
3. method according to claim 1 is characterized in that, when the described facsimile terminal that starts during for the transmit leg of fax page data, describedly initiates also to comprise before second facsimile call to described purpose facsimile terminal:
Described fax gateway has judged whether to store the fax page data of the described facsimile terminal transmission of starting of whole or predetermined number, if initiate second facsimile call to described purpose facsimile terminal.
4. method according to claim 1 is characterized in that, describedly initiates also to comprise after second facsimile call to described purpose facsimile terminal:
Described fax gateway judges whether second facsimile call of initiating to described purpose facsimile terminal needs to send the fax page data, if, execution sends to described fax page data by described second facsimile call step of described purpose facsimile terminal, if not, execution sends the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receives and store the step of the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends.
5. method according to claim 1 is characterized in that, described fax gateway receives by the facsimile terminal that starts and also comprised before first facsimile call that the purpose facsimile terminal is initiated:
Switching equipment receives first facsimile call that the facsimile terminal that starts is initiated, and judges that described first facsimile call is the calling that non-fax gateway is initiated, and is forwarded to described fax gateway with described first facsimile call.
6. method according to claim 1 is characterized in that, describedly initiates also to comprise after second facsimile call to described purpose facsimile terminal:
Switching equipment receives described second facsimile call that described fax gateway is initiated, judge that described second facsimile call is the calling that fax gateway is initiated, described second facsimile call is forwarded to described purpose facsimile terminal according to the number of the described second facsimile call corresponding target side.
7. method according to claim 1 is characterized in that, describedly initiates also to comprise after the 3rd facsimile call to the described facsimile terminal that starts:
Switching equipment receives described the 3rd facsimile call that described fax gateway is initiated, judge that described the 3rd facsimile call is the calling that fax gateway is initiated, described the 3rd facsimile call is forwarded to the described facsimile terminal that starts according to the number of described the 3rd facsimile call corresponding target side.
8. a fasystem is characterized in that, described system comprises: switching equipment and fax gateway;
Described switching equipment, be used to receive first facsimile call that facsimile terminal initiates that starts, and described first facsimile call is forwarded to fax gateway, receive second facsimile call that described fax gateway is initiated, and described second facsimile call is forwarded to the purpose facsimile terminal, and receive the 3rd facsimile call that described fax gateway is initiated, and described the 3rd facsimile call is forwarded to the described facsimile terminal that starts;
Described fax gateway, be used to receive described first facsimile call that described switching equipment is transmitted, when the described facsimile terminal that starts is when not being the transmit leg of fax page data, described first facsimile call terminates, store the number of the described facsimile terminal that starts and the number of described purpose facsimile terminal simultaneously, initiate second facsimile call to described purpose facsimile terminal, send the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receive and store the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends, and initiate the 3rd facsimile call to the described facsimile terminal that starts, by described the 3rd facsimile call described fax page data is sent to the described facsimile terminal that starts; When the described facsimile terminal that starts is the transmit leg of fax page data, store the number of described purpose facsimile terminal, receive and store the fax page data that the described facsimile terminal that starts sends simultaneously, initiate second facsimile call to described purpose facsimile terminal, described fax page data is sent to described purpose facsimile terminal by described second facsimile call.
9. system according to claim 8 is characterized in that, described switching equipment comprises:
The facsimile call receiver module, the facsimile call that the terminal that is used to receive faxes is initiated;
Judge module is used to the facsimile call calling whether fax gateway is initiated of judging that described facsimile call receiver module receives;
The facsimile call connecting module, being used for judging described facsimile call when described judge module is when not being the calling of fax gateway initiation, described facsimile call is routed to described fax gateway, when described judge module judge described facsimile call be fax gateway initiate calling the time, purpose side's number of the facsimile call of initiating according to fax gateway self is routed to facsimile terminal with facsimile call.
10. a fax gateway is characterized in that, described fax gateway comprises:
The first facsimile call processing unit, be used to receive first facsimile call that facsimile terminal initiates that starts, judge whether the described facsimile terminal that starts is fax page data transmit leg, described first facsimile call and notify the number of the described facsimile terminal that starts of cell stores and the number of purpose facsimile terminal if described judged result for not, terminates;
Described memory cell is used to store the number of described start facsimile terminal and purpose facsimile terminal;
The second facsimile call processing unit, be used for initiating second facsimile call to described purpose facsimile terminal, when judging that second facsimile call of self initiating does not need to send the fax page data, send the indication information that caller is received faxes by described second facsimile call to described purpose facsimile terminal, receive and store the fax page data that indication information that described purpose facsimile terminal receives faxes according to described caller sends, and received fax page data is sent to described cell stores;
The 3rd facsimile call processing unit, be used for initiating the 3rd facsimile call, the fax page data that the described purpose facsimile terminal of being stored in the described memory cell sends sent to the described facsimile terminal that starts by described the 3rd facsimile call to the described facsimile terminal that starts;
The described first facsimile call processing unit also be used for judge described start facsimile terminal for the fax page data transmit leg the time, receive the fax page data that the described facsimile terminal that starts sends, and notify the number of described fax page data of described cell stores and purpose facsimile terminal;
Described memory cell also is used to store the described page data of facsimile terminal transmission and the number of purpose facsimile terminal of starting;
The described second facsimile call processing unit also is used for after initiating described second facsimile call, when judging that second facsimile call of self initiating need send the fax page data, send the fax page data of the described facsimile terminal transmission of starting of described cell stores to the purpose facsimile terminal by described second facsimile call.
11. fax gateway according to claim 10 is characterized in that, described fax gateway also comprises:
Trigger element, be used to judge fax page data that whether described memory cell has stored all or the facsimile terminal that starts of predetermined number sends or the number of whether having stored the facsimile terminal that starts, if trigger the described second facsimile call processing unit and initiate second facsimile call; Perhaps, judge the fax page data that whether described memory cell has stored all or the purpose facsimile terminal of predetermined number sends, if trigger described the 3rd facsimile call processing unit and initiate the 3rd facsimile call.
12. fax gateway according to claim 11 is characterized in that, the described first facsimile call processing unit comprises: the first facsimile call control module, first judge module and the first fax page data receiver module;
The described first facsimile call control module is used to receive described first facsimile call, and the number of the facsimile terminal that starts of described first facsimile call and/or the number of purpose facsimile terminal are sent to described cell stores;
Described first judge module, be used to judge whether the facsimile terminal that starts of described first facsimile call is fax page data transmit leg, when the facsimile terminal that starts of judging described first facsimile call for not being when faxing the page data transmit leg, indicate the described first facsimile call control module described first facsimile call that terminates;
The described first fax page data receiver module is used for receiving the fax page data that the described facsimile terminal that starts sends when described first judge module is judged the described facsimile terminal that starts for fax page data transmit leg.
13. fax gateway according to claim 11, it is characterized in that the described second facsimile call processing unit comprises: the second facsimile call control module, second judge module, the second fax page data sending module and the second fax page data receiver module;
The described second facsimile call control module is initiated second facsimile call according to the triggering of described trigger element to described purpose facsimile terminal, and receives the call that described purpose facsimile terminal sends;
Described second judge module, be used for after the described second facsimile call control module receives the call of described purpose facsimile terminal transmission, judge whether described second facsimile call needs to send the fax page data, if, trigger the described second fax page data sending module, if not, then trigger purpose side's number that described memory cell initiates facsimile call with fax gateway self and be updated to the number of the described facsimile terminal that starts, and trigger the described second facsimile call control module and send the indication information that caller is received faxes to the purpose facsimile terminal by described second facsimile call;
The described second fax page data sending module is used in the second judge module judged result when being, the fax page data of the facsimile terminal transmission of starting of storing in the described memory cell is sent to the purpose facsimile terminal;
The described second fax page data receiver module is used to receive the purpose facsimile terminal behind the indication information that the caller that receives described second facsimile call control module transmission is received faxes, by the fax page data of described second facsimile call transmission.
14. fax gateway according to claim 11 is characterized in that, described the 3rd facsimile call processing unit comprises: the 3rd facsimile call control module and the 3rd fax page data sending module;
Described the 3rd fax is control module, is used for initiating the 3rd facsimile call to the described facsimile terminal that starts, and receives the described response message of facsimile terminal to described the 3rd facsimile call that start;
Described the 3rd fax page data sending module is used for sending to the described facsimile terminal that starts by described the 3rd facsimile call stores described memory cell into by described second facsimile call fax page data.
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| CN2007101255489A CN101252630B (en) | 2007-12-27 | 2007-12-27 | Faxing method, gateway and system |
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| CN2007101255489A CN101252630B (en) | 2007-12-27 | 2007-12-27 | Faxing method, gateway and system |
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| CN101252630A CN101252630A (en) | 2008-08-27 |
| CN101252630B true CN101252630B (en) | 2010-06-09 |
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| CN101998023B (en) * | 2009-08-14 | 2012-09-05 | 中国移动通信集团公司 | Facsimile system and facsimile disconnecting method |
| CN110730278A (en) * | 2019-09-06 | 2020-01-24 | 深圳震有科技股份有限公司 | Compatible transmission method, equipment, system and medium for different-speed fax machines |
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| KR20010002764A (en) * | 1999-06-17 | 2001-01-15 | 조정남 | Method for fax service using mobile identification number |
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Effective date of registration: 20170918 Address after: 065200 Hebei city of Langfang province Sanhe City Binhe east half street 4 ranked No. 1 Patentee after: Ma Chunhua Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
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