CN100403762C

CN100403762C - Non-real time wireless fax system and method and fax server

Info

Publication number: CN100403762C
Application number: CNB2006101597157A
Authority: CN
Inventors: 赵庆学; 李毅
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2006-09-30
Filing date: 2006-09-30
Publication date: 2008-07-16
Anticipated expiration: 2026-09-30
Also published as: CN1925537A

Abstract

This invention discloses one non real time wireless fax system, which comprises network connection unit IWF and fax servo, wherein, the said IWF and send terminal process fax negotiation to receive fax data from send terminal and to process negotiation after fax service according to negotiation result and requiring fax data on servo; the said fax servo getting data requirements from IWF and sending fax data to IWF; IWF receives fax data and sends data to the receive end. This invention discloses one fax servo and one non real time wireless fax method.

Description

Non-real time wireless fax system and method and Fax Server

Technical field

The present invention relates to facsimile art, particularly non-real time wireless fax system and method and Fax Server.

Background technology

The mode of real-time fax is all adopted in radio facsimile of the prior art.Fig. 1 is the structural representation of real-time radio fasystem in the prior art.As shown in Figure 1, the real-time radio fasystem comprises: facsimile machine or PC, transmitting terminal, mobile services switching centre (Mobile Switching Centre, MSC), network interworking unit (Inter Working Function, IWF), gateway exchange mobile switching centre (GMSC) and receiving terminal, receiving terminal can pass through public switched telephone network, and (Public Switched TelephoneNetwork PSTN) links to each other with MSC with GMSC.

Operation principle based on the real-time radio of said system fax is: when transmitting terminal and receiving terminal all are in the wireless network, transmitting terminal receives after the facsimile data from facsimile machine or PC, be with outer the negotiation by MSC and receiving terminal earlier, set up calling and connect; After calling out connection foundation, transmitting terminal and receiving terminal are with interior negotiation, transmitting terminal is to fax signaling and the facsimile data of MSC transmission based on the radio facsimile agreement, fax signaling that MSC sends transmitting terminal and facsimile data send to that IWF modulates or demodulation and message transmission rate is adaptive, behind the fax control flow, fax signaling and facsimile data after will handling send to receiving terminal again, have realized the real-time fax of transmitting terminal and receiving terminal.

When transmitting terminal is in wireless network, and receiving terminal is when being among the PSTN, and transmitting terminal and receiving terminal are with outer the negotiation by MSC, GMSC and PSTN, and the negotiations process that negotiations process and transmitting terminal and receiving terminal all are in the wireless network is similar; After calling out connection foundation, transmitting terminal and receiving terminal are with interior negotiation, transmitting terminal is to fax signaling and the facsimile data of MSC transmission based on the radio facsimile agreement, MSC sends to IWF with fax signaling and the facsimile data that transmitting terminal sends, modulate or demodulation and message transmission rate is adaptive, the fax control flow after, fax signaling and facsimile data after MSC will handle again send to receiving terminal by GMSC and PSTN, have realized the real-time fax of transmitting terminal and receiving terminal.Wherein, negotiation is the process of transmitting terminal and receiving terminal information interaction, under transmitting terminal and receiving terminal are in situation in the heterogeneous networks, transmitting terminal and receiving terminal are based on different facsimile protocols and send fax signaling and facsimile data, therefore, IWF is when carrying out the adaptive processing such as grade of message transmission rate, and also fax signaling and the facsimile data with transmitting terminal and receiving terminal transmission carries out the facsimile protocol conversion.

In the real-time radio fasystem of reality, transmitting terminal also can be among the PSTN, and simultaneously, receiving terminal is in the wireless network.

Existing radio facsimile based on facsimile protocol be end-to-end host-host protocol.Transmitting terminal sends each signaling based on facsimile protocol, usually all need to receive within a certain period of time corresponding response, but in the bigger system of subnetwork retardation ratio, for example multi-hop satellite fax etc., transmitting terminal can't be received response at the appointed time, will cause the failure of facsimile call.

And, in the existing radio facsimile process, because fax is semiduplex agreement, the sequential coordination question of the in-band signalling when transmitting terminal and receiving terminal carry out radio facsimile between facsimile machine, radio fixed station, the IWF, some compatibility issues occur, caused fax failure.

As seen, prior art can not guarantee that (Quality of Server, requirement QoS) cause the success rate of radio facsimile and reliability lower, for the user has brought inconvenience for the service quality of radio facsimile.

Summary of the invention

In view of this, a main purpose of the present invention is: a kind of non-real time wireless fax system is provided, can improves the success rate and the reliability of radio facsimile.

Another main purpose of the present invention is: a kind of Fax Server is provided, can improves the success rate and the reliability of radio facsimile.

The 3rd main purpose of the present invention is: a kind of non-real time wireless fax method is provided, can improves the success rate and the reliability of radio facsimile.

First goal of the invention according to above-mentioned the invention provides a kind of non-real time wireless fax system, comprising: mobile services switching centre MSC, network interworking unit IWF and Fax Server, wherein,

Described MSC is used to set up transmitting terminal and is connected with the calling of receiving terminal, sends first facsimile call to described IWF, and caller and called party information are sent to described Fax Server;

Described IWF carries out first facsimile negotiation according to described first facsimile call with transmitting terminal, will send to described Fax Server from the facsimile data of transmitting terminal according to negotiation result, and is connected with the calling of receiving terminal by described MSC disconnection transmitting terminal;

Described Fax Server according to caller and called party information, is set up Fax Server by described MSC and is connected with second facsimile call of receiving terminal after having stored described facsimile data; Described MSC sends second facsimile call to described IWF;

Described IWF carries out second facsimile negotiation according to described second facsimile call with receiving terminal, and to described Fax Server acquisition request facsimile data; Described Fax Server sends to receiving terminal with the facsimile data of storing by described IWF according to the facsimile data request of obtaining from described IWF.

Described Fax Server comprises: main control unit and memory cell, wherein,

Described MSC further will be carried in initial session protocol sip message or signalling system No.7 or the ITUT-TQ931 message from the caller and the called party information of outside, sends to the described main control unit of described Fax Server;

Described main control unit will send to described cell stores from the caller of described MSC and called party information and facsimile data; According to the caller and the called party information of described cell stores, to the described MSC connection that makes a call;

Described IWF is further to the described main control unit acquisition request facsimile data of described Fax Server; Described main control unit obtains the facsimile data of storage from described memory cell, and this facsimile data is sent to described IWF according to the facsimile data request from described IWF.

Described IWF and described Fax Server are same physical entity.

Described MSC carries out information interaction by GMSC of gateway exchange mobile switching centre and public switched telephone network PSTN with described Fax Server.

Described Fax Server is further by the Internet Internet and outside fax sending and receiving data.

Second goal of the invention according to above-mentioned the invention provides a kind of Fax Server, comprising: main control unit and memory cell, wherein,

Described main control unit receives MSC and is connected caller and the called party information that the back sends in the calling of setting up transmitting terminal and receiving terminal, stores in the described memory cell; And receive IWF and transmitting terminal and carry out the facsimile data from transmitting terminal that sends behind first facsimile negotiation, store in the described memory cell;

Described main control unit obtains caller and called party information from described memory cell after storing described facsimile data into memory cell, according to caller and called party information, set up Fax Server by described MSC and be connected with second facsimile call of receiving terminal; And carry out the facsimile data request of obtaining that sends behind second facsimile negotiation according to described IWF and receiving terminal, to described memory cell acquisition request facsimile data;

Described memory cell is according to the request from described main control unit, and the facsimile data of storage inside is sent to described main control unit; Described main control unit will send to outside receiving terminal by described IWF from the facsimile data of described memory cell.

Described Fax Server further comprises: timing unit;

Described timing unit periodically sends timed message to main control unit according to predefined time threshold; Described main control unit is inquired about the facsimile data in the described memory cell according to the timed message from described timing unit; In inquiring described memory cell, have after the facsimile data that does not send, to caller of described memory cell acquisition request and called party information;

Described memory cell sends caller and called party information described to main control unit according to the request from described main control unit.

Described Fax Server further comprises: query unit;

Described main control unit further sends to facsimile message described query unit;

Described query unit receives the facsimile message from described main control unit, generates and stores facsimile recording; Described main control unit sends query requests further according to the request from the outside to described query unit;

Described query unit offers described main control unit according to the query requests of described main control unit with facsimile recording; Described main control unit further receives the facsimile recording from described query unit, and sends to the outside.

The 3rd goal of the invention according to above-mentioned the invention provides a kind of non-real time wireless fax method, may further comprise the steps:

A, MSC set up transmitting terminal and are connected with calling between the receiving terminal, send first facsimile call to IWF, and caller and called party information are sent to Fax Server;

B, IWF carry out first facsimile negotiation according to first facsimile call and transmitting terminal, and according to first negotiation result, the facsimile data that transmitting terminal is sent sends to Fax Server, and are connected with the calling of receiving terminal by MSC disconnection transmitting terminal;

C, Fax Server according to caller and called party information, are set up Fax Server by MSC and are connected with the calling of receiving terminal after having stored facsimile data, and MSC sends second facsimile call to IWF;

D, IWF carry out second facsimile negotiation according to second facsimile call with receiving terminal, and according to second negotiation result, the facsimile data in the Fax Server are sent to receiving terminal.

Described steps A is:

A01, MSC set up transmitting terminal and are connected with calling between the receiving terminal;

A02, transmitting terminal and receiving terminal carry out real-time fax by IWF to be consulted;

A03, IWF do not receive the response from receiving terminal in the predefined time, current real-time fax flow process is switched to non real-time fax flow process, and request MSC sends to Fax Server with caller and called party information;

A04, MSC send to Fax Server according to the request of IWF with caller and called party information.

IWF and transmitting terminal described in the described step B carry out first facsimile negotiation:

B1, transmitting terminal request begin to carry out first facsimile negotiation, and IWF responds the request of transmitting terminal;

B2, transmitting terminal and IWF carry out first facsimile negotiation, receive the facsimile data from transmitting terminal.

Described in the described steps A caller and called party information being sent to Fax Server is: caller and called party information in the call request that MSC initiates transmitting terminal, be carried in initial session protocol sip message or signalling system No.7 or the ITUT-TQ931 message, send to Fax Server.

After the described step B, before the described step C, further comprise: whether inquiry Fax Server inside has the facsimile data that does not send, if inquire its inside the facsimile data that does not send is arranged, and then carries out described step C;

Fax Server is connected to by the calling that MSC sets up Fax Server and receiving terminal described in the described step C: Fax Server is according to caller and called party information, directly send the call connection request that comprises caller and called party information, perhaps send the call connection request that comprises caller and called party information to MSC by public switched telephone network PSTN and the GMSC of gateway exchange mobile switching centre successively to MSC;

MSC and receiving terminal carry out Signalling exchange, set up Fax Server and are connected with calling between the receiving terminal.Whether described inquiry Fax Server inside has the facsimile data that does not send to be: whether according to pre-set time interval, regularly inquiring about Fax Server inside has the facsimile data that does not send.

Described call connection request is the call connection request message based on Session Initiation Protocol.

IWF and receiving terminal carry out second facsimile negotiation described in the described step D, the facsimile data in the Fax Server are sent to receiving terminal be:

D1, IWF request begins to carry out second facsimile negotiation, and receiving terminal responds the request of IWF;

D2, IWF and receiving terminal end carry out second facsimile negotiation, to Fax Server acquisition request facsimile data, and will send to receiving terminal from the facsimile data of fax server.

The facsimile data that described in the described step B transmitting terminal is sent sends to Fax Server and is: the Email E-mail that will carry called party information sends in the Fax Server.

Described MSC sends to Fax Server with called party information: the address of signatory E-mail in home location server HLR opens an account, and in HLR storage as the E-mail address of receiving terminal, MSC sends to Fax Server with the E-mail address after obtaining the E-mail address from HLR; Fax Server sends to facsimile data the receiving terminal of E-mail address correspondence by the Internet Internet.

Described MSC sends to Fax Server with called party information: the E-mail address is carried in digital command signal DCS or calling subscriber identification TSI or the facsimile data, send to IWF, IWF parses after the E-mail address, and the E-mail address that parses is sent to Fax Server.

Described MSC sends to Fax Server with called party information: transmitting terminal is carried on the E-mail address and sends to MSC in the out-of-band signalling, and MSC parses after the E-mail address, and the E-mail address that parses is sent to Fax Server.

This shows, the mode that the present invention adopts segmentation to consult, in radio facsimile system, increase Fax Server, in facsimile posting, carry out facsimile negotiation with transmitting terminal earlier, and the facsimile data of transmitting terminal and caller and called party information stored in the Fax Server, and then, carry out facsimile negotiation with receiving terminal according to the facsimile call that Fax Server is initiated, facsimile data is sent to receiving terminal, realize non-real time wireless fax.

Technical solution of the present invention is also supported the switching of real-time fax to the non real-time fax, and can provide the value-added service of inquiry facsimile recording and the fax of wireless terminal and E-mail to send out mutually, has improved the range of application of radio facsimile.

Description of drawings

Fig. 1 is the structural representation of real-time radio fasystem in the prior art.

Fig. 2 is the exemplary process diagram of non-real time wireless fax method among the present invention.

Fig. 3 is the structure chart of non-real time wireless fax system in the embodiment of the invention.

Fig. 4 is the structure chart of non-real time wireless fax system networking mode 1 in the embodiment of the invention.

Fig. 5 is the structure chart of non-real time wireless fax system networking mode 2 in the embodiment of the invention.

Fig. 6 is the flow chart of non-real time wireless fax method 1 in the embodiment of the invention.

Fig. 7 is the flow chart of non-real time wireless fax method 2 in the embodiment of the invention.

Fig. 8 is the flow chart of non-real time wireless fax method 3 in the embodiment of the invention.

Fig. 9 is the flow chart of non-real time wireless fax method 4 in the embodiment of the invention.

Figure 10 is the flow chart of non-real time wireless fax method 5 in the embodiment of the invention.

Embodiment

For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.

Basic thought of the present invention is: the mode that adopts segmentation to consult, in radio facsimile system, increase Fax Server, IWF carries out facsimile negotiation with transmitting terminal earlier, to send to the Fax Server storage from the facsimile data of transmitting terminal, carry out facsimile negotiation with receiving terminal again, and the facsimile data of storing in the Fax Server sent to receiving terminal, realize non-real time wireless fax.

Fig. 2 is the exemplary process diagram of non-real time wireless fax method among the present invention.As shown in Figure 2, the method for non-real time wireless fax may further comprise the steps in the embodiment of the invention:

Step 201, the call connection request that MSC initiates according to transmitting terminal is carried out information interaction with transmitting terminal and receiving terminal, realizes setting up to call out between transmitting terminal and the receiving terminal being connected;

Step 202, MSC sends to Fax Server with caller in the call connection request and called party information; IWF and transmitting terminal carry out facsimile negotiation, and according to negotiation result, the facsimile data that transmitting terminal is sent sends to Fax Server;

Step 203, IWF disconnects transmitting terminal by MSC and is connected with the calling of receiving terminal; Disconnect and calling out after the connection, Fax Server is again according to caller and called party information, to the call connection request of MSC initiation with receiving terminal;

Step 204, MSC sets up IWF and is connected with the calling of receiving terminal according to the request of Fax Server, and to IWF transmission facsimile call, IWF carries out facsimile negotiation according to facsimile call with receiving terminal, and, the facsimile data in the Fax Server is sent to receiving terminal according to negotiation result.

Wherein, each step in the above-mentioned flow process can pass through the signaling based on different agreement, and different Signalling exchange modes realizes.

Below, in conjunction with specific embodiments, non real-time picture unit of the present invention and system and method are elaborated.

Fig. 3 is the structure chart of non-real time wireless fax system in the embodiment of the invention.As shown in Figure 3, non-real time wireless fax system comprises among the present invention: IWF 301, Fax Server 302 and MSC 303, wherein, Fax Server 302 specifically comprises: main control unit 321, memory cell 322 and timing unit 323.

MSC 303 carries out information interaction with transmitting terminal and receiving terminal, realizes the call setup of transmitting terminal and receiving terminal; After setting up calling, send facsimile calls to IWF 301, to the main control unit 321 transmission caller and the called party informations of Fax Server 302; The facsimile call request that IWF 301 receives from MSC 303; The main control unit 321 of Fax Server 302 will send to memory cell 322 from caller and the called party information of MSC 303; Memory cell 322 storages of Fax Server 302 are from the caller and the called party information of main control unit 321;

Calling tonequality (Calling tone, CNG) message that IWF 301 receives from transmitting terminal by MSC 303; Send calling terminal sign (Called terminalidentification by MSC 303 to transmitting terminal, CED) message, CNG message is responded, and pass through MSC 303 to transmitting terminal transmission digital identification signal (Digital Identification Signal, DIS) message, request are consulted the fax performance parameter; Will from the digital command signal of transmitting terminal (Digital Command Signal, DCS) (Training check Frame TCF) sends to IWF, comprises the fax performance parameter of transmitting terminal in the DCS message for message and training check frame; By MSC 303 receive digital command signal from transmitting terminal (Digital Command Signal, DCS) message comprise the fax performance parameter of transmitting terminal in the DCS message, with DCS as carrying out the performance parameter of information interaction with transmitting terminal; By training check frame (the Training check Frame of MSC303 reception from transmitting terminal, TCF), TCF is carried out verification, and after verification is passed through, send affirmation by MSC 303 to transmitting terminal and receive (Confirmation To Receive, CFR) message, expression has received TCF and verification is passed through;

The fax page (PAGE), multipage signal (Multipage signal that IWF 301 receives from transmitting terminal by MSC 303, MPS) message and fax end-of-page (End Of Page, EOP) message, and the page of will faxing, MPS and EOP message send to Fax Server 302; The main control unit 321 of Fax Server 302 will send to memory cell 322 from the fax page, MPS message and the EOP message of IWF 301; Memory cell 322 storages of Fax Server 302 are from the fax page, MPS message and the EOP message of main control unit 321;

IWF 301 is after receiving EOP message, and (notice transmitting terminal message quality is fine for Message Confirmation, MCF) message to send message authentication by MSC 303 to transmitting terminal; The disconnection that receives from transmitting terminal by MSC 303 connects (Disconnect, DCN) message, the facsimile negotiation of end and transmitting terminal; After receiving DCN message, send the disconnection connection request to transmitting terminal by MSC 303; The disconnection connection response that MSC 303 receives from transmitting terminal disconnects transmitting terminal and is connected with the calling of receiving terminal;

The timing unit 323 of Fax Server 302 periodically sends timed message main control unit 321 according to the timed message from timing unit 323 to main control unit 321 according to predefined time threshold, the facsimile data in the inquiry memory cell 322; In inquiring memory cell 322, have after the facsimile data that does not send, to memory cell 322 acquisition request caller and called party informations; Memory cell 322 sends to main control unit 321 according to the request from main control unit 321 with caller and called party information;

Caller and called party information that the main control unit 321 of Fax Server 302 receives from memory cell 322, and, initiate to comprise the call connection request of caller and called party information to MSC 303 according to caller and called party information; MSC 303 bases are from the request of the main control unit 321 of Fax Server 302, carry out information interaction with receiving terminal, set up to call out and connect, the calling of setting up this moment connects, can be understood as Fax Server 302 and be connected, also can be understood as being connected between IWF 301 and the receiving terminal with calling between the receiving terminal; After calling out connection foundation, send facsimile calls to IWF 301;

IWF 301 is according to the facsimile call from MSC 303, sends CNG message based on the transmitting terminal facsimile protocol by MSC 303 to receiving terminal; By CED message and the DIS message based on receiving terminal facsimile protocol of MSC 303 receptions from receiving terminal; According to the DIS message that receives, to the DCS message of receiving terminal transmission, comprise the fax performance parameter in the message based on the receiving terminal facsimile protocol by MSC303; After having sent DCS message, send TCF to receiving terminal based on the receiving terminal facsimile protocol by MSC 303; Receive CFR message by MSC 303 based on the receiving terminal facsimile protocol from receiving terminal, know receiving terminal to TCF verification pass through; After receiving CFR message, to the main control unit 321 transmission fax page request (PAGE Request) of Fax Server 302;

The main control unit 321 of Fax Server 302 is according to the facsimile data request from IWF 301, to memory cell 322 acquisition request facsimile datas; Memory cell 322 is according to the request from main control unit 321, and the fax page, MPS message and the EOP message of storage inside is sent to main control unit 321; Main control unit 321 will send to IWF 301 from the fax page, MPS message and the EOP message of memory cell 322; The fax page, MPS message and EOP message that IWF 301 receives from the main control unit 321 of Fax Server 302, and the fax page, MPS message and the EOP message that will be converted into based on the receiving terminal facsimile protocol send to receiving terminal by MSC 303;

The MCF message that IWF 301 receives from receiving terminal by MSC 303, and pass through MSC 303 to receiving terminal transmission DCN message, finish facsimile negotiation with receiving terminal; Send the disconnection connection request to MSC 303, request disconnects facsimile call and connects;

MSC 303 is according to the disconnection connection request of IWF 301, send to receiving terminal and take out stitches (ClearForward, CLF) message, and send to the main control unit 321 of Fax Server 302 and to discharge that (the expression facsimile call disconnects for Release, REL) message; The main control unit 321 of Fax Server 302 obtains this fax by release cause and whether sends success according to the REL message call release from MSC 303, sends successfully to identify to send success.

In the practical application, IWF 301 can also be used in the negotiation of real-time fax and transmission; After in the predefined time, not receiving response message, be non real-time fax pattern with self fax mode switch, and request MSC 303 send to caller and called party information the main control unit 321 of Fax Server 302 from receiving terminal; MSC 303 is according to the request of IWF 301, caller and called party information sent to the main control unit 321 of Fax Server 302.

Fax Server in the said system can also comprise query unit 324, is used to receive the facsimile message from main control unit 321, generates and stores facsimile recording; According to the query requests of main control unit 321, facsimile recording is offered main control unit 321.

In this case, main control unit 321 can also send to facsimile message query unit 324; According to request, send query requests to query unit 324 from the outside; Reception is from the facsimile recording of query unit 324, and sends to the outside.

Wherein, facsimile message comprises the content of facsimile data, the branch page signal of the fax page and the user profile of end-of-page signal, caller and called party information and transmitting terminal and receiving terminal.

In the Fax Server of present embodiment, main control unit 321 also can be according to whether still storing the facsimile data that does not send in the request inquiry memory cell 322 from the outside; Memory cell 322 can also be after the facsimile data transmission finishes, the facsimile data that has sent of deletion storage inside.

In radio facsimile system, increase above-mentioned Fax Server, just constituted the non-real time wireless fax system of present embodiment.

In the non-real time wireless fax system of present embodiment, MSC 303 carries out information interaction with transmitting terminal and receiving terminal, realizes the call setup of transmitting terminal and receiving terminal; The mode of information interaction can by transmitting terminal and residing network of receiving terminal and fax sending and receiving based on facsimile protocol decide.

In the non-real time wireless fax system of the present invention, MSC can carry out information interaction by different modes and transmitting terminal and receiving terminal, thereby constitutes different networking modes.In the embodiments of the invention, two kinds of networking modes have been proposed, networking mode 1 and networking mode 2.

Fig. 4 is the structure chart of non-real time wireless fax system networking mode 1 in the embodiment of the invention.As shown in Figure 4, MSC links to each other by interface 41 with Fax Server; IWF links to each other by interface 42 with Fax Server; Fax Server links to each other with the Internet (Internet) by interface 43.In the networking mode 1, MSC also links to each other with fixed network by GMSC.

Wherein, interface 41 and interface 42 can be the E1 transmission link, also can be netting twine; Interface 43 can be netting twine.

By interface 41, MSC and Fax Server can carry out that (SessionInitiated Protocol, Signalling exchange SIP) also can carry out the Signalling exchange of self-defined mode based on initial session protocol.

Based on above-mentioned networking mode, transmitting terminal and receiving terminal all can be in the wireless network.When transmitting terminal is in the wireless network, and receiving terminal is when being in the fixed network, the signaling transmission means of IWF and transmitting terminal is: transmitting terminal--〉MSC--〉and IWF--〉MSC--〉transmitting terminal, the signaling transmission means of IWF and receiving terminal is: IWF--〉MSC--〉GMSC--〉fixed network--〉receiving terminal--〉fixed network--GMSC--〉MSC--〉IWF; When transmitting terminal is in the fixed network, and receiving terminal is when being in the wireless network, the signaling transmission means of IWF and transmitting terminal is: transmitting terminal--〉fixed network--〉GMSC--〉MSC--〉IWF--〉MSC--〉GMSC--〉fixed network--transmitting terminal, and the signaling transmission means between IWF and the receiving terminal is: IWF--〉MSC--〉receiving terminal--MSC--〉IWF; When transmitting terminal and receiving terminal all are in the wireless network, the signaling transmission means of IWF and transmitting terminal is: transmitting terminal--〉MSC--〉and IWF--〉MSC--〉transmitting terminal, the signaling transmission means between IWF and the receiving terminal is: IWF--〉MSC--〉receiving terminal--MSC--〉IWF.

In the above-mentioned networking mode 1, Fax Server also links to each other with the Internet by interface 43, can realize that E-mail and wireless terminal carry out sending out mutually of facsimile data.

Realize the transmission handling process and the facsimile data that be stored in Fax Server on of E-mail to wireless terminal, the flow process that sends to receiving terminal is similar.Difference comprises following main flow process: at first E-mail is sent on the Fax Server, Fax Server is initiated facsimile call according to the receiving terminal number that carries among the E-mail to MSC, the fax negotiation of flow process of IWF and receiving terminal sends to receiving terminal to the fax page.

Realize that wireless terminal sends the handling process that faxes to E-mail, the flow process that sends on the Fax Server with facsimile data with transmitting terminal is similar.Difference mainly comprises following flow process: at home location server (Home Location Register, HLR) open an account in the address of signatory E-mail, and storage is as the E-mail address of receiving terminal in HLR, and MSC sends to Fax Server with the address after obtaining the E-mail address to HLR; Terminal call Fax Server and IWF, it is the type of call (obtaining type of call by a mode such as special number is set for Fax Server) that E-mail is given in facsimile transmission that MSC identifies according to calling, the network side at Fax Server and IWF place and transmitting terminal carry out facsimile negotiation, facsimile data is sent on the Fax Server, and Fax Server sends to facsimile data among the E-mail by the Internet.

Also can be carried on as the E-mail address of receiving terminal and to consult in the band in the frame, for example DCS message or calling subscriber indicate (Transmitting Subscriber Identification, TSI) or facsimile data carry the E-mail address.Main flow process is: terminal call Fax Server and IWF, MSC is according to call request, identifying is the type of call that E-mail is given in facsimile transmission, for example, by being set for Fax Server, a mode such as special number obtains type of call, IWF and terminal are carried out the facsimile protocol merchant, IWF parses the E-mail address by fax in-band signallings such as DCS, TSI, IWF sends to Fax Server after being resolved to this E-mail address, simultaneously facsimile message is sent to Fax Server, Fax Server sends to facsimile data among the E-mail of appointment according to the E-mail address.

The extension bits storage E-mail address of DIS message needs the facsimile machine support, can increase the definition of this extension bits in ITU-T T30 agreement.TSI is selectable signaling in the facsimile negotiation process, so the E-mail address that can be revised as the sign of calling/called information receiving terminal, not influence of process of transmitting to the rectification fax, and present facsimile machine is all supported basically, the sign of calling/called information can be by caller, the called number of out-of-band signalling, when Fax Server sends E-mail, increase this information.

The mutual originating party case of above-mentioned E-mail and fax not only can be used for the mobile network, can also be used for fixing network.

Fig. 5 is the structure chart of non-real time wireless fax system networking mode 2 in the embodiment of the invention.As shown in Figure 5, fixed network links to each other by interface 51 with Fax Server; Gateway links to each other by interface 52 with Fax Server; Fax Server links to each other with the Internet (Internet) by interface 53; Fixed network also links to each other with wireless network.In the networking mode 2, fixed network also links to each other with MSC by GMSC.

Wherein, interface 51 and interface 52 can be the E1 transmission link, also can be netting twine; Interface 53 can be netting twine.

By interface 51 and fixed network, MSC and Fax Server can carry out the Signalling exchange based on SIP, also can carry out the Signalling exchange of self-defined mode.

By interface 52 and gateway, Fax Server can carry out information interaction with other networks.

Based on above-mentioned networking mode, transmitting terminal and receiving terminal all can be in the wireless network.When transmitting terminal and receiving terminal are in the wireless network simultaneously, can carry out segmentation by intra-exchange signaling and consult, also can carry out segmentation and consult by interoffice signaling.IWF is identical with the transmission means in the networking mode 1 with the signaling transmission means of transmitting terminal and receiving terminal.

But in the networking mode 2, all do not exist interface directly to link to each other between IWF and MSC and the Fax Server, therefore, in this networking mode, different in the transmission means of IWF and MSC and Fax Server and the networking mode 1.Signaling transmission means between Fax Server and the IWF is: Fax Server--〉fixed network--〉GMSC--〉MSC--〉IWF--〉MSC--〉GMSC--〉fixed network--Fax Server, signaling transfer process between Fax Server and the MSC is: Fax Server--〉fixed network--〉GMSC--〉MSC--〉GMSC--〉fixed network--Fax Server, also can in fixed network, realize the partial function of IWF.

In the above-mentioned networking mode 2, Fax Server also links to each other with the Internet by interface 53, can realize that also E-mail and wireless terminal carry out mutual of facsimile data, implementation can with networking mode 1 in identical.

Below, the non-real time wireless fax method based on above-mentioned non-real time wireless fax system and different networking modes is elaborated.

In the present embodiment, comprise 5 kinds of non-real time wireless fax methods.Wherein, in the method 1: transmitting terminal is a wireless terminal, and receiving terminal is the communicator in the PSTN network, adopts non-real time wireless fax between transmitting terminal and the receiving terminal; In the method 2: transmitting terminal is a wireless terminal, and receiving terminal is the communicator in the PSTN network, adopts the real-time radio fax between transmitting terminal and the receiving terminal, after transmitting terminal fails to receive response for a long time, switches to the non-real time wireless fax mode; In the method 3: transmitting terminal is the communicator in the PSTN network, and receiving terminal is a wireless terminal, adopts non-real time wireless fax between transmitting terminal and the receiving terminal; In the method 4: transmitting terminal and receiving terminal are wireless terminal, adopt non-real time wireless fax between transmitting terminal and the receiving terminal; In the method 5: E-mail is a receiving terminal, and transmitting terminal is a wireless terminal, adopts non-real time wireless fax between transmitting terminal and the receiving terminal.

Fig. 6 is the flow chart of non-real time wireless fax method 1 in the embodiment of the invention.As shown in Figure 6, with transmitting terminal be in the wireless network, receiving terminal is among the PSTN is example, non-real time wireless fax method of the present invention may further comprise the steps:

Step 601～step 602, transmitting terminal sends call setup (Setup) request to MSC, and request is set up to call out and is connected; MSC sends initialization address message (Initial Address Message, IAM) message according to setup requests to the receiving terminal that is in PSTN.

In this step, comprise caller and called party information in the Setup request, MSC can preserve this information.

Step 603～step 604, the receiving terminal that is in PSTN sends the address to MSC and finishes that (Addresscomplete, ACM) message respond IAM message; MSC sends warning (Alert) message according to ACM message to transmitting terminal, and the expression receiving terminal begins ring.

Step 605, receiving terminal send to MSC and to reply that (expression is called out to connect and set up for Answer, ANM) message after off-hook.

This step is carried out after step 604, also can carry out before step 604, can also carry out simultaneously with step 604.

Above-mentioned steps 601～step 605 consults to set up the process that connects of calling out for band is outer; The outer negotiation of band in this method is based on No. 7 (NO.7) signalings and realizes, also can realize by other call control signallings such as channel associated signallings.

Step 606, MSC sends to transmitting terminal and connects (Connect) request, and request is set up facsimile call and is connected.

Step 607, transmitting terminal sends connection response (Connect ACK) to MSC, and the request of MSC is responded.

Step 608, MSC sends facsimile call to IWF after receiving Connect ACK, and request begins to carry out facsimile negotiation.

Step 609, MSC sends to Fax Server with caller and the called party information in the Setup request, Fax Server storage caller and called party information.

In this step, MSC sends to Fax Server with caller and called party information, can be to transmit by IWF, also can directly send to Fax Server; When MSC directly sent to Fax Server with caller and called party information, this information can be carried and sip message sends, and can be based on also that other self-defined mode sends; Caller and called party information also can be carried in step 608 and send to IWF in the facsimile call, send to Fax Server by IWF again, thereby do not carry out this step; This step is carried out after step 608, also can carry out before step 608, can also carry out simultaneously with step 608.

Step 610, transmitting terminal sends CNG message by MSC to IWF, and request begins to carry out facsimile negotiation.

This step is carried out after step 609, also can carry out immediately after step 607.

Step 611, IWF sends CED message by MSC to transmitting terminal after receiving CNG message, CNG message is responded.

When step 610 is that this step must can be carried out after IWF receives CNG message, facsimile call and caller and called party information under the situation about carrying out immediately after step 607.

Step 612～step 613, IWF sends DIS message by MSC to transmitting terminal again after having sent CED message, and the fax performance parameter is consulted in request; Transmitting terminal sends the DCS message that comprises fax performance parameter by MSC to IWF according to the DIS message that receives, and DIS message is responded.

Above-mentioned steps 612～step 613 is for consulting the process of fax-rate, for example, IWF sends DIS message to transmitting terminal, comprise in the message that the transmission rate in the facsimile posting is 9600 bps, and the facsimile machine of transmitting terminal only can be realized 4800 bps transmission, therefore, transmitting terminal will represent that the parameter of facsimile machine transmission rate is carried in the DCS message, send to IWF, IWF carries out the transmission of signaling and data with 4800 bps speed in follow-up facsimile posting.

Step 614～step 615, transmitting terminal sends TCF by MSC to IWF after having sent DCS message; IWF carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to transmitting terminal, confirms the verification of transmission quality is passed through.

In the above-mentioned steps 615, TCF can be to be that all of 1.5 seconds are 0 Frame entirely in a transmission time, and IWF can be according to predefined thresholding, and detecting among the TCF is not 0 figure place, and when the figure place that is not 0 was lower than threshold value, verification was passed through; Obstructed out-of-date when verification, IWF sends failure to train by MSC to transmitting terminal, and (the request transmitting terminal resends DIS message for Failure To Train, FTT) message.

Step 616～step 618, transmitting terminal sends the fax page by MSC to IWF, and after each fax page, in the MPS message that sends an expression page or leaf separator or the EOP message of the representation page end of transmission; To fax the again page and MPS message or EOP message of IWF sends to Fax Server.

Wherein, when the fax page of transmitting terminal transmission is last page, transmitting terminal is after having sent this transmits page, send an EOP message, when the fax page that sends was not last page, transmitting terminal sent a MPS message after having sent this fax page, both, showed to IWF again and continued to receive the next fax page as page break.

Step 619, IWF sends MCF message by MSC to transmitting terminal after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine.

Step 620, transmitting terminal sends DCN message by MSC to IWF, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects.

Step 621～step 623, IWF sends disconnection by MSC to transmitting terminal and connects (Disconnect) request according to the DCN message that receives, and request disconnects facsimile call; Transmitting terminal sends to IWF by MSC and disconnects connection response (Disconnect ACK).

Step 624 according to pre-set time interval, regularly inquires about in the Fax Server whether also have the facsimile data that does not send, if then execution in step 625.

This step can be initiated inquiry by the timing unit in the Fax Server, also can be inquired about by the network manager.

Step 625, Fax Server sends the Setup request that comprises caller and called party information to MSC, and request is set up to call out and is connected.

In this step, Fax Server can directly send the Setup request to MSC, also can earlier the Setup request be sent to IWF, by IWF the Setup request is sent to MSC again.

Step 626～step 628, MSC sends IAM message according to the request of Fax Server and caller and the called party information in the request to receiving terminal; The receiving terminal that is in PSTN sends ACM message to MSC, IAM message is responded, and send ANM to MSC, and expression is called out to connect and set up.

Above-mentioned steps 625～step 628 is that network side and receiving terminal are with outer the negotiation, sets up the process of calling out connection; Above-mentioned negotiations process is based on that the NO.7 signaling realizes, also can realize by other call control signallings such as channel associated signallings.

Step 629, MSC sends facsimile call to IWF, and request begins to carry out facsimile negotiation.

Step 630～step 631, IWF sends CNG message by MSC to receiving terminal, begins to carry out facsimile negotiation; Receiving terminal sends CED message by MSC to IWF after receiving CNG message, CNG message is responded.

Step 632～step 633, receiving terminal send DIS message by MSC to IWF again after having sent CED message, the fax performance parameter is consulted in request; IWF sends the DCS message that comprises fax performance parameter by MSC to receiving terminal according to the DIS message that receives, and DIS message is responded.

The negotiations process of the fax-rate in the above-mentioned steps 632～step 633, identical with the fax-rate negotiations process in the step 612～step 613 of this method.

Step 634～step 635, IWF sends TCF by MSC to receiving terminal after having sent DCS message; Receiving terminal carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to IWF, confirms the verification of transmission quality is passed through.

Testing process in the above-mentioned steps 635 can be identical with the testing process in the step 615 of this method.

Step 636～step 639, IWF is to the Fax Server acquisition request fax page, and will send to receiving terminal by MSC from the fax page and the MPS message and the EOP message of fax server.

In process of transmitting, after each fax page, send MPS message or EOP message again, after having sent last fax page, send EOP message again, the expression facsimile data sends and finishes.

Step 640, receiving terminal send MCF message by MSC to IWF after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine.

Step 641～step 642, IWF sends DCN message by MSC to receiving terminal, and sends the Disconnect request to MSC, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects.

Step 643～step 644, MSC sends CLF message according to the request of IWF to receiving terminal, and notice receiving terminal facsimile call disconnects, and sends REL message to Fax Server.

Step 645, Fax Server sends success response by MSC to transmitting terminal after receiving REL message, and the facsimile data that the expression transmitting terminal sends successfully sends to receiving terminal, and process ends.

Whether this step is to select to carry out according to the preset parameters in the Fax Server, also can not carry out, and gets final product process ends after step 644.

In the above-mentioned flow process, all interactive signaling between MSC and Fax Server all can be sip message, NO.7 message or other self-defined messages.

More than be explanation to the non-real time wireless fax method 1 in the embodiment of the invention, below, the non-real time wireless fax method 2 in the embodiment of the invention is described.In method 2: transmitting terminal is a wireless terminal, and receiving terminal is the communicator in the PSTN network, adopts the real-time radio fax between transmitting terminal and the receiving terminal, after transmitting terminal fails to receive response for a long time, switches to the non-real time wireless fax mode.

This method switches to the non real-time fax not receive DIS message for a long time be example, the principle of switching is: initiate to switch when using real-time fax to be about to fail, switching may be lost this page facsimile data that is sending, also can adopt request to resend fax page signaling and ask to resend the data of previous page, thereby guarantee the complete of facsimile data.

Fig. 7 is the flow chart of non-real time wireless fax method 2 in the embodiment of the invention.As shown in Figure 7, non-real time wireless fax method of the present invention may further comprise the steps:

Step 701～step 705, transmitting terminal sends the Setup request to MSC, and request is set up to call out and is connected; MSC sends IAM message according to setup requests to receiving terminal; Receiving terminal sends the address to MSC and finishes ACM message, and IAM message is responded; MSC sends Alert message according to ACM message to transmitting terminal, and the expression receiving terminal begins ring; Receiving terminal sends ANM to MSC after off-hook, expression is called out to connect and set up.

Above-mentioned steps 701～step 705 is consulted to set up for band is outer and called out the process that connects, and is identical with the operating process of step 601～step 605 in the method 1; Band in this method is outer consults to be based on that the NO.7 signaling realizes, also can be with outer the negotiation by channel associated signalling.

Step 706～step 708, MSC sends the Connect request to transmitting terminal, and request is set up facsimile call and is connected; Transmitting terminal sends Connect ACK to MSC, and the request of MSC is responded; MSC sends facsimile call to IWF after receiving Connect ACK, request begins to carry out facsimile negotiation.

Above-mentioned steps 706～step 708 is identical with the operating process of step 606～step 608 in the method 1.

Step 709, transmitting terminal send CNG message by MSC and IWF to receiving terminal, begin to carry out facsimile negotiation.

This step is carried out after step 708, also can carry out immediately after step 707.

Step 710, receiving terminal send CED message by MSC and IWF to transmitting terminal after receiving CNG message, CNG message is responded.

Step 711, IWF within a certain period of time, do not receive DIS message from receiving terminal after, current real-time fax flow process is switched to non real-time fax flow process.

In this step, IWF does not receive the DIS message from receiving terminal within a certain period of time, and promptly transmitting terminal can not be received the DIS message from receiving terminal in this time; IWF arrives non real-time fax pattern with the fax mode switch of self earlier, sends the request of non real-time fax to MSC again, asks MSC that calling/called information is sent to Fax Server; Being used to limit the time range that whether receives DIS message can preestablish, for example 15 seconds.

Step 712, MSC sends to Fax Server with caller and the called party information in the Setup request, Fax Server storage caller and called party information.

In this step, MSC sends to Fax Server with caller and called party information, can be to transmit by IWF, also can directly send to Fax Server; When MSC directly sent to Fax Server with caller and called party information, this information can be carried and sip message sends, and can be based on also that other self-defined mode sends; Caller and called party information also can send to Fax Server by IWF by MSC.

Step 713～step 716, IWF sends DIS message by MSC to transmitting terminal, and the fax performance parameter is consulted in request; Transmitting terminal sends the DCS message that comprises fax performance parameter by MSC to IWF according to the DIS message that receives, and DIS message is responded; Transmitting terminal sends TCF by MSC to IWF after having sent DCS message; IWF carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to transmitting terminal, confirms the verification of transmission quality is passed through.

Above-mentioned steps 713～step 716 is the negotiations process of fax-rate and the checkout procedure of TCF, and is identical with the operating process of step 612～step 615 in the method 1.

Step 717～step 719, transmitting terminal sends the fax page by MSC to IWF, and after each fax page, in the MPS message that sends an expression page or leaf separator or the EOP message of the representation page end of transmission; To fax the again page and MPS message or EOP message of IWF sends to Fax Server.

Above-mentioned steps 717～step 719 is for the process of transmission and storage facsimile data, and is identical with the operating process of step 616～step 618 in the method 1.

Step 720～step 721, IWF sends MCF message by MSC to transmitting terminal after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine; Transmitting terminal sends DCN message by MSC to IWF, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects.

Step 722～step 724, IWF sends Disconnect request by MSC to transmitting terminal according to the DCN message that receives, and request disconnects facsimile call; Transmitting terminal sends Disconnect ACK by MSC to IWF.

Step 725 according to pre-set time interval, regularly inquires about in the Fax Server whether also have the facsimile data that does not send, if then execution in step 726.

Step 726, Fax Server sends the Setup request that comprises caller and called party information to MSC, and request is set up to call out and is connected.

Step 727～step 729, MSC sends IAM message according to the request of Fax Server and caller and the called party information in the request to receiving terminal; The receiving terminal that is in PSTN sends ACM message to MSC, IAM message is responded, and send ANM to MSC, and expression is called out to connect and set up.

Above-mentioned steps 726～step 729 is that network side and receiving terminal are with outer the negotiation, sets up the process of calling out connection, and is identical with the operating process of step 625～step 628 in the present embodiment method 1; Above-mentioned negotiations process is based on that the NO.7 signaling realizes, also can realize by other call control signallings such as channel associated signallings.

Step 730, MSC sends facsimile call to IWF, and request begins to carry out facsimile negotiation.

Step 731～step 736, IWF sends CNG message by MSC to receiving terminal, begins to carry out facsimile negotiation; Receiving terminal sends CED message by MSC to IWF after receiving CNG message, CNG message is responded; Receiving terminal sends DIS message by MSC to IWF again after having sent CED message, the fax performance parameter is consulted in request; IWF sends the DCS message that comprises fax performance parameter by MSC to receiving terminal according to the DIS message that receives, and DIS message is responded; IWF sends TCF by MSC to receiving terminal after having sent DCS message; Receiving terminal carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to IWF, confirms the verification of transmission quality is passed through.

Above-mentioned steps 731～step 736 is identical with the operating process of step 630～step 635 in the present embodiment method 1.

Step 737～step 739, IWF is to the Fax Server acquisition request fax page, and will send to receiving terminal by MSC from the fax page and the MPS message and the EOP message of fax server.

Step 740～step 741, receiving terminal send MCF message by MSC to IWF after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine.

Step 742～step 745, IWF sends DCN message by MSC to receiving terminal, and sends the Disconnect request to MSC, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects; MSC sends CLF message according to the request of IWF to receiving terminal, and notice receiving terminal facsimile call disconnects, and sends REL message to Fax Server.

Above-mentioned steps 742～step 745 is identical with the operating process of step 641～step 644 in the present embodiment method 1.

In this method, transmitting terminal does not receive DIS message for a long time, be that IWF does not receive after the DIS message for a long time, the real-time fax flow process is switched to the non real-time fax flow process that segmentation is consulted, can be after not receiving other message for a long time yet, the real-time fax flow process is switched to the non real-time fax flow process that segmentation is consulted, for example, do not receive DCS message etc. for a long time.IWF can be according to the different response messages that do not receive, and the different phase in negotiations process is switched, and the negotiation flow process after the switching can be as described in the above-mentioned flow process, and the response message that never receives begins, and also can restart to consult flow process.

So far, this flow process finishes.

In the above-mentioned flow process, also can be after step 745, Fax Server sends success response by MSC to transmitting terminal, and expression sends to receiving terminal with the facsimile data of transmitting terminal.

In the above-mentioned flow process, all interactive signaling between MSC and Fax Server all can be sip message.

More than be explanation to the non-real time wireless fax method 2 in the embodiment of the invention, below, the non-real time wireless fax method 3 in the embodiment of the invention is described.In method 3: transmitting terminal is the communicator in the PSTN network, and receiving terminal is a wireless terminal, adopts non-real time wireless fax between transmitting terminal and the receiving terminal.

Fig. 8 is the flow chart of non-real time wireless fax method 3 in the embodiment of the invention.As shown in Figure 8, with transmitting terminal be among the PSTN, receiving terminal is in the wireless network is example, non-real time wireless fax method of the present invention may further comprise the steps:

Step 801～step 802, the transmitting terminal that is in PSTN sends IAM message to MSC, and request is set up to call out and is connected; MSC is according to the request of transmitting terminal, and the receiving terminal in being in wireless network sends paging (Paging) request.

In this step, carry caller and called party information in the IAM message, MSC can preserve this information.

Step 803～step 804, receiving terminal sends page response and Alert message to MSC.

Step 805, MSC receives after the Alert message, sends ACM message to transmitting terminal.

Above-mentioned steps 801～step 805 consults to set up the process that connects of calling out for band is outer; Band in this method is outer consults to be based on that NO.7 signaling and paging mode realize, also can realize call setup by other call control signallings such as channel associated signallings.

Step 806～step 809, after calling out successful connection, receiving terminal sends the Connect request to MSC, and facsimile call is set up in request; MSC asks according to Connect, sends ConnectACK to receiving terminal, the request of receiving terminal is responded, and send ANM to transmitting terminal, and expression is called out to connect and set up, also sends facsimile call to IWF, and request begins to carry out facsimile negotiation.

Above-mentioned steps 807, step 808 and step 809 can be carried out according to said sequence, also can carry out simultaneously, can also first execution in step 809 or step 808.

Step 810, MSC sends to Fax Server with caller and the called party information in the Setup request, Fax Server storage caller and called party information.

In this step, MSC sends to Fax Server with caller and called party information, can be to transmit by IWF, also can directly send to Fax Server; When MSC directly sent to Fax Server with caller and called party information, this information can be carried and sip message sends, and can be based on also that other self-defined mode sends; Caller and called party information also can be carried in step 809 and send to IWF in the facsimile call, send to Fax Server by IWF again, thereby do not carry out this step; This step is carried out after step 809, also can carry out before step 809, can also carry out simultaneously with step 809.

Step 811, transmitting terminal sends CNG message by MSC to IWF, begins to carry out facsimile negotiation.

This step is carried out after step 810, also can carry out immediately after step 808.

Step 812, IWF sends CED message by MSC to transmitting terminal after receiving CNG message, CNG message is responded.

When step 811 is that this step must can be carried out after IWF receives CNG message, facsimile call and caller and called party information under the situation about carrying out immediately after step 808.

Step 813～step 814, IWF sends DIS message by MSC to transmitting terminal again after having sent CED message, and the fax performance parameter is consulted in request; Transmitting terminal sends the DCS message that comprises fax performance parameter by MSC to IWF according to the DIS message that receives, and DIS message is responded.

Above-mentioned steps 813～step 814 is the negotiations process of fax-rate, and is identical with the operating process of step 612～step 613 in the present embodiment method 1.

Step 815～step 816, transmitting terminal sends TCF by MSC to IWF after having sent DCS message; IWF carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to transmitting terminal, confirms the verification of transmission quality is passed through.

Above-mentioned steps 815～step 816 is the checking procedure to transmission quality, and is identical with the operating process of step 614～step 615 in the present embodiment method 1.

Step 817～step 819, transmitting terminal sends the fax page by MSC to IWF, and after each fax page, in the MPS message that sends an expression page or leaf separator or the EOP message of the representation page end of transmission; To fax the again page and MPS message or EOP message of IWF sends to Fax Server.

Above-mentioned steps 817～step 819 is identical with the operating process of step 616～step 618 in the present embodiment method 1.

Step 820～step 821, IWF sends MCF message by MSC to transmitting terminal after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine; Transmitting terminal sends DCN message by MSC to IWF, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects.

Above-mentioned steps 820～step 821 is identical with the operating process of step 619～step 620 in the present embodiment method 1.

Step 822～step 824, IWF sends Disconnect request by MSC to transmitting terminal according to the DCN message that receives, and request disconnects facsimile call; Transmitting terminal sends Disconnect ACK by MSC to IWF.

Step 825 according to pre-set time interval, regularly inquires about in the Fax Server whether also have the facsimile data that does not send, if then execution in step 826.

Step 826, Fax Server sends the IAM message that comprises caller and called party information to MSC, and request is set up to call out and is connected.

In this step, Fax Server can directly send IAM message to MSC, also can earlier IAM message be sent to IWF, by IWF IAM message is sent to MSC again.

Step 827～step 829, MSC sends IAM message according to the request of Fax Server and caller and the called party information in the request to receiving terminal; MSC is according to the request of Fax Server, and the receiving terminal in being in wireless network sends the paging request; Receiving terminal sends page response and Alert message to MSC.

Above-mentioned steps 827～step 829 is that network side and receiving terminal are with outer the negotiation, sets up the process of calling out connection; Above-mentioned negotiations process is based on that NO.7 signaling and paging mode realize, also can be with outer the negotiation by channel associated signalling and paging mode.

Step 830～step 832, after calling out successful connection, receiving terminal sends the Connect request to MSC, and facsimile call is set up in request; MSC asks according to Connect, sends ConnectACK to receiving terminal, the request of receiving terminal is responded, and send ANM to transmitting terminal, and expression is called out to connect and set up, sends facsimile call to IWF, and request begins to carry out facsimile negotiation.

Step 833～step 836, IWF sends CNG message by MSC to receiving terminal, begins to carry out facsimile negotiation; Receiving terminal sends CED message by MSC to IWF after receiving CNG message, CNG message is responded; Receiving terminal sends DIS message by MSC to IWF again after having sent CED message, the fax performance parameter is consulted in request; IWF sends the DCS message that comprises fax performance parameter by MSC to receiving terminal according to the DIS message that receives, and DIS message is responded.

Above-mentioned steps 833～step 836 is identical with the operating process of step 630～step 633 in the present embodiment method 1.

Step 837～step 838, IWF sends TCF by MSC to receiving terminal after having sent DCS message; Receiving terminal carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to IWF, confirms the verification of transmission quality is passed through.

Testing process in the above-mentioned steps 838 can be identical with the testing process in the step 615 of present embodiment method 1.

Step 839～step 842, IWF is to the Fax Server acquisition request fax page, and will send to receiving terminal by MSC from the fax page and the MPS message and the EOP message of fax server.

Above-mentioned steps 839～step 842 is identical with the operating process of step 636～step 639 in the present embodiment method 1.

Step 843～step 844, receiving terminal send MCF message by MSC to IWF after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine.

Step 845～step 846, IWF sends DCN message by MSC to receiving terminal, and sends the Disconnect request to MSC, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects; MSC sends the Disconnect request according to the request of IWF to Fax Server, and notice receiving terminal facsimile call disconnects.

Step 847～step 848, receiving terminal send REL message according to DCN message to MSC; MSC send to discharge to receiving terminal according to REL message and finishes that (the expression facsimile call disconnects for Release Complete, RLC) message.

Above-mentioned steps 847 is carried out after step 845 and step 846, also can carry out before step 845, can also carry out simultaneously with step 845.

So far, this flow process finishes.

In the above-mentioned flow process, also can be after step 848, Fax Server sends success response by MSC to transmitting terminal, and expression sends to receiving terminal with the facsimile data of transmitting terminal.

Method 3 also can adopt the real-time radio fax earlier as described in the method 2 between transmitting terminal and the receiving terminal, after transmitting terminal fails to receive response for a long time, switch to the non-real time wireless fax mode.

More than be explanation to the non-real time wireless fax method 3 in the embodiment of the invention, below, the non-real time wireless fax method 4 in the embodiment of the invention is described.In method 4: transmitting terminal and receiving terminal are wireless terminal, adopt non-real time wireless fax between transmitting terminal and the receiving terminal.

Fig. 9 is the flow chart of non-real time wireless fax method 4 in the embodiment of the invention.As shown in Figure 9, being wireless terminal with transmitting terminal and receiving terminal is example, and non-real time wireless fax method of the present invention may further comprise the steps:

Step 901～step 902, transmitting terminal sends the Setup request to MSC, and request is set up to call out and is connected; MSC sends the paging request according to setup requests to receiving terminal.

Step 903～step 905, receiving terminal sends page response and Alert message to MSC; MSC sends ACM message according to Alert message to transmitting terminal.

Step 906～step 909, after calling out successful connection, receiving terminal sends the Connect request to MSC, and facsimile call is set up in request; MSC asks according to Connect, sends ConnectACK to receiving terminal, the request of receiving terminal is responded, and send the Connect request to transmitting terminal; Transmitting terminal sends Connect ACK according to the request of MSC to MSC.

Above-mentioned steps 901～step 909 consults to set up the process that connects of calling out for band is outer; Band in this method is outer consults to be based on that NO.7 signaling and paging mode realize, also can realize call setup by other call control signallings such as channel associated signallings.

Step 910, MSC sends facsimile call to IWF, and request begins to carry out facsimile negotiation.

Step 911, MSC sends to Fax Server with caller and the called party information in the Setup request, Fax Server storage caller and called party information.

In this step, MSC sends to Fax Server with caller and called party information, can be to transmit by IWF, also can directly send to Fax Server.

Step 912～step 915, transmitting terminal sends CNG message by MSC to IWF, begins to carry out facsimile negotiation; IWF sends CED message by MSC to transmitting terminal after receiving CNG message, CNG message is responded; IWF sends DIS message by MSC to transmitting terminal again after having sent CED message, the fax performance parameter is consulted in request; Transmitting terminal sends the DCS message that comprises fax performance parameter by MSC to IWF according to the DIS message that receives, and DIS message is responded.

Above-mentioned steps 912～step 915 is identical with the operating process of step 610～step 613 in the present embodiment method 1.

Step 916～step 917, transmitting terminal sends TCF by MSC to IWF after having sent DCS message; IWF carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to transmitting terminal, confirms the verification of transmission quality is passed through.

Above-mentioned steps 916～step 917 is the checking procedure to transmission quality, and is identical with the operating process of step 614～step 615 in the present embodiment method 1.

Step 918～step 920, transmitting terminal sends the fax page by MSC to IWF, and after each fax page, in the MPS message that sends an expression page or leaf separator or the EOP message of the representation page end of transmission; To fax the again page and MPS message or EOP message of IWF sends to Fax Server.

Above-mentioned steps 918～step 920 is identical with the operating process of step 616～step 618 in the present embodiment method 1.

Step 921～step 922, IWF sends MCF message by MSC to transmitting terminal after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine; Transmitting terminal sends DCN message by MSC to IWF, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects.

Above-mentioned steps 921～step 922 is identical with the operating process of step 619～step 620 in the present embodiment method 1.

Step 923～step 925, IWF sends Disconnect request by MSC to transmitting terminal according to the DCN message that receives, and request disconnects facsimile call; Transmitting terminal sends Disconnect ACK by MSC to IWF.

Step 926 according to pre-set time interval, regularly inquires about in the Fax Server whether also have the facsimile data that does not send, if then execution in step 927.

Step 927, Fax Server sends the Setup request that comprises caller and called party information to MSC, and request is set up to call out and is connected.

Step 928～step 932, MSC sends the paging request according to the request of Fax Server to receiving terminal; Receiving terminal sends page response and Alert message to MSC; After calling out successful connection, receiving terminal sends the Connect request to MSC, and facsimile call is set up in request; MSC asks according to Connect, sends Connect ACK to receiving terminal, and the request of receiving terminal is responded.

Above-mentioned steps 928～step 932 is that network side and receiving terminal are with outer the negotiation, sets up the process of calling out connection; Above-mentioned negotiations process is based on that NO.7 signaling and paging mode realize, also can realize call setup by other call control signallings such as channel associated signallings.

Step 933, after calling out successful connection, MSC sends facsimile call to IWF, and request begins to carry out facsimile negotiation.

Step 934～step 937, IWF sends CNG message by MSC to receiving terminal, begins to carry out facsimile negotiation; Receiving terminal sends CED message by MSC to IWF after receiving CNG message, CNG message is responded; Receiving terminal sends DIS message by MSC to IWF again after having sent CED message, the fax performance parameter is consulted in request; IWF sends the DCS message that comprises fax performance parameter by MSC to receiving terminal according to the DIS message that receives, and DIS message is responded.

Above-mentioned steps 934～step 937 is identical with the operating process of step 630～step 633 in the present embodiment method 1.

Step 938～step 939, IWF sends TCF by MSC to receiving terminal after having sent DCS message; Receiving terminal carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to IWF, confirms the verification of transmission quality is passed through.

Testing process in the above-mentioned steps 939 can be identical with the testing process in the step 615 of present embodiment method 1.

Step 940～step 943, IWF is to the Fax Server acquisition request fax page, and will send to receiving terminal by MSC from the fax page and the MPS message and the EOP message of fax server.

Above-mentioned steps 940～step 943 is identical with the operating process of step 636～step 639 in the present embodiment method 1.

Step 944～step 945, receiving terminal send MCF message by MSC to IWF after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine.

Step 946～step 947, IWF sends DCN message by MSC to receiving terminal, and sends the Disconnect request to MSC, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects; MSC sends the Disconnect request according to the request of IWF to Fax Server, and notice receiving terminal facsimile call disconnects.

Step 948～step 949, receiving terminal send REL message according to DCN message to MSC; MSC send to discharge to receiving terminal according to REL message and finishes that (the expression facsimile call disconnects for Release Complete, RLC) message.

Above-mentioned steps 948 is carried out after step 946 and step 947, also can carry out before step 946, can also carry out simultaneously with step 946.

So far, this flow process finishes.

In the above-mentioned flow process, also can be after step 949, Fax Server sends success response by MSC to transmitting terminal, and expression sends to receiving terminal with the facsimile data of transmitting terminal.

In the above-mentioned flow process, all interactive signaling between MSC and Fax Server all can be sip message, NO7 signaling message, ITUT-TQ931 message or other self defined interface message.

In the above-mentioned flow process, band outcall signaling uses the NO.7 signaling to be described, and can also be the signaling of other call setups such as channel associated signalling SIP signaling.

In the above-mentioned flow process, a normal stream journey is described, and unusual call flow need be handled in conjunction with present handling process and thinking of the present invention, does not enumerate one by one.

Method 4 also can adopt the real-time radio fax earlier as described in the method 2 between transmitting terminal and the receiving terminal, after transmitting terminal fails to receive response for a long time, switch to the non-real time wireless fax mode.

More than be explanation to the non-real time wireless fax method 4 in the embodiment of the invention, below, the non-real time wireless fax method 5 in the embodiment of the invention is described.In method 5: E-mail is a receiving terminal, and transmitting terminal is a wireless terminal, adopts non-real time wireless fax between transmitting terminal and the receiving terminal

Non-real time wireless fax method in said method 1～method 4 also is applicable to the radio facsimile between E-mail and the wireless terminal.

When E-mail is that transmitting terminal and wireless terminal are when being receiving terminal, earlier E-mail is sent in the Fax Server, Fax Server makes a call to set up according to the called party information of carrying among the E-mail and asks, and according in said method 3 or the method 4, the network side at Fax Server and IWF place and receiving terminal carry out the flow process of facsimile negotiation, and the fax page is sent to wireless terminal as receiving terminal.

When E-mail is that receiving terminal and wireless terminal are when being transmitting terminal, the address of signatory E-mail in HLR opens an account, and in HLR storage as the E-mail address of receiving terminal, after MSC obtains the E-mail address to HLR, the address sent in Fax Server or in-band signalling by fax or the facsimile data information such as facsimile message carry the E-mail address, IWF parses and sends to Fax Server; In according to said method 1 or method 2, the network side at Fax Server and IWF place and transmitting terminal carry out the flow process of facsimile negotiation, get access to after the facsimile data, and Fax Server sends to facsimile data among the E-mail by the Internet.

Wherein, by the fax in-band signalling carry the E-mail address, can for: in DCS message, fill in the E-mail address, perhaps in TSI, fill in the E-mail address.

Figure 10 is the flow chart of non-real time wireless fax method 5 in the embodiment of the invention.As shown in figure 10, the non-real time wireless fax method may further comprise the steps among the present invention:

Step 1001～step 1002, transmitting terminal sends the Setup request to MSC, and request is set up to call out and is connected, and the called party information that comprises in the request is the call number of Fax Server; MSC sends IAM message according to setup requests to IWF.

In this step, IWF judges current calling according to the IAM that receives callee is Fax Server, and the receiving terminal of fax is E-mail.

Step 1003～step 1004, IWF sends the address to MSC and finishes ACM message, and IAM message is responded; MSC sends Alert message according to ACM message to transmitting terminal, and the expression receiving terminal begins ring.

Step 1005, IWF sends ANM to MSC, and expression is called out to connect and is set up.

This step is carried out after step 1004, also can carry out before step 1004, can also carry out simultaneously with step 1004.

Above-mentioned steps 1001～step 1005 consults to set up the process that connects of calling out for band is outer; Band in this method is outer consults to be based on that the NO.7 signaling realizes, also can realize by other call control signallings such as channel associated signallings.

Step 1006～step 1007, MSC sends the Connect request to transmitting terminal, and request is set up facsimile call and is connected; Transmitting terminal sends Connect ACK to MSC again, and the request of MSC is responded.

Step 1008, MSC sends facsimile call to IWF after receiving Connect ACK, and request begins to carry out facsimile negotiation.

Step 1009, MSC is according to the E-mail address that obtains from HRL as receiving terminal.

Step 1010～step 1011, MSC sends to Fax Server with caller and the called party information in the Setup request, and the E-mail address that gets access to is sent to Fax Server, Fax Server storage caller and called party information and E-mail address.

Wherein, the E-mail address also can be carried in DCS message or the TSI message and send to Fax Server.

Above-mentioned steps 1010 and step 1011 can be carried out simultaneously, and step 1011 also can be carried out before step 1010.

Step 1012, transmitting terminal sends CNG message by MSC to IWF, begins to carry out facsimile negotiation.

Step 1013, IWF sends CED message by MSC to transmitting terminal after receiving CNG message, CNG message is responded.

Step 1014～step 1015, IWF sends DIS message by MSC to transmitting terminal again after having sent CED message, and the fax performance parameter is consulted in request; Transmitting terminal sends the DCS message that comprises fax performance parameter by MSC to IWF according to the DIS message that receives, and DIS message is responded.

Above-mentioned steps 1014～step 1015 is the negotiations process of fax-rate, and is identical with the operating process of step 612～step 613 in the present embodiment method 1.

Step 1016～step 1017, transmitting terminal sends TCF by MSC to IWF after having sent DCS message; IWF carries out verification to transmission quality after having received TCF, and after verification is passed through, sends CFR message by MSC to transmitting terminal, confirms the verification of transmission quality is passed through.

Above-mentioned steps 1016～step 1017 is the checking procedure to transmission quality, and is identical with the operating process of step 614～step 615 in the present embodiment method 1.

Step 1018～step 1020, transmitting terminal sends the fax page by MSC to IWF, and after each fax page, in the MPS message that sends an expression page or leaf separator or the EOP message of the representation page end of transmission; To fax the again page and MPS message or EOP message of IWF sends to Fax Server.

Above-mentioned steps 1018～step 1020 is identical with the operating process of step 616～step 618 in the present embodiment method 1.

Step 1021～step 1022, IWF sends MCF message by MSC to transmitting terminal after receiving EOP message, confirm that to transmitting terminal the facsimile data quality is fine; Transmitting terminal sends DCN message by MSC to IWF, and the facsimile negotiation with transmitting terminal has been finished in expression, and request disconnects fax and connects.

Above-mentioned steps 1021～step 1022 is identical with the operating process of step 619～step 620 in the present embodiment method 1.

Step 1023 step 1025, IWF sends Disconnect request by MSC to transmitting terminal according to the DCN message that receives, and request disconnects facsimile call; Transmitting terminal sends Disconnect ACK by MSC to IWF.

Step 1026 according to pre-set time interval, regularly inquires about in the Fax Server whether also have the facsimile data that does not send, if then execution in step 1027.

Step 1027, Fax Server by with the interface of the Internet, facsimile data is sent to receiving terminal.

Step 1028, Fax Server sends success response by MSC to transmitting terminal, and the facsimile data that the expression transmitting terminal sends successfully sends to receiving terminal, and process ends.

Whether this step is to select to carry out according to the preset parameters in the Fax Server, also can not carry out, and gets final product process ends after step 1027.

In the above-mentioned flow process, be by MSC from the E-mail address that HRL obtains, and directly send to Fax Server; Also execution in step 1009～step 1010 not, send to IWF but the E-mail address is carried in the in-band messages such as DCS by transmitting terminal, IWF parses after the E-mail address, in any moment before step 1019, the E-mail address can be sent to Fax Server.

Because above-mentioned flow process sends to E-mail with facsimile message, therefore, also execution in step 1026 not, and after the facsimile data that receives from transmitting terminal, execution in step 1027 immediately, and facsimile data is sent to E-mail.

In the above-mentioned flow process, can also the E-mail address be carried on by transmitting terminal and send to MSC in the out-of-band signalling, MSC parses after the E-mail address, and the E-mail address that parses is sent to Fax Server.

In above-mentioned non-real time wireless fax method, the user can also use the value-added service of facsimile recording inquiry at any time, inquires about facsimile recording in Fax Server.

In the embodiments of the invention, IWF also can be disconnects transmitting terminal by MSC and is not connected with the calling of receiving terminal, but after reception is over the facsimile data of transmitting terminal, directly carries out facsimile negotiation with receiving terminal again, and facsimile data is sent to receiving terminal.

The described Fax Server of the foregoing description and non-real time wireless fax system and method can solve the success rate and the not high problem of reliability of radio facsimile in the prior art, are applicable to the radio facsimile in the diverse network.

The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.

Claims

1. a non-real time wireless fax system is characterized in that, comprising: mobile services switching centre MSC, network interworking unit IWF and Fax Server, wherein,

2. the system as claimed in claim 1 is characterized in that, described Fax Server comprises: main control unit and memory cell, wherein,

3. as any described system in the claim 1 to 2, it is characterized in that described IWF and described Fax Server are same physical entity.

4. the system as claimed in claim 1 is characterized in that, described MSC carries out information interaction by GMSC of gateway exchange mobile switching centre and public switched telephone network PSTN with described Fax Server.

5. the system as claimed in claim 1 is characterized in that, described Fax Server is further by the Internet Internet and outside fax sending and receiving data.

6. a Fax Server is characterized in that, comprising: main control unit and memory cell, wherein,

7. Fax Server as claimed in claim 6 is characterized in that described Fax Server further comprises: timing unit;

Described timing unit periodically sends timed message to described main control unit according to predefined time threshold; Described main control unit is inquired about the facsimile data in the described memory cell according to the timed message from described timing unit; In inquiring described memory cell, have after the facsimile data that does not send, to caller of described memory cell acquisition request and called party information;

Described memory cell sends to described main control unit according to the request from described main control unit with caller and called party information.

8. as claim 6 or 7 described Fax Servers, it is characterized in that described Fax Server further comprises: query unit;

9. a non-real time wireless fax method is characterized in that, may further comprise the steps:

C, Fax Server according to caller and called party information, are set up Fax Server by MSC and are connected with second facsimile call of receiving terminal after having stored facsimile data, and MSC sends second facsimile call to IWF;

10. method as claimed in claim 9 is characterized in that, described steps A is:

11., it is characterized in that IWF and transmitting terminal described in the described step B carry out first facsimile negotiation and be as claim 9 or 10 described methods:

12. as claim 9 or 10 described methods, it is characterized in that, described in the described steps A caller and called party information being sent to Fax Server is: caller and called party information in the call request that MSC initiates transmitting terminal, be carried in initial session protocol sip message or signalling system No.7 or the ITUT-TQ931 message, send to Fax Server.

13., it is characterized in that, after the described step B as claim 9 or 10 described methods, before the described step C, further comprise: whether inquiry Fax Server inside has the facsimile data that does not send, if inquire its inside the facsimile data that does not send is arranged, and then carries out described step C;

MSC and receiving terminal carry out Signalling exchange, set up Fax Server and are connected with calling between the receiving terminal.

14. method as claimed in claim 13 is characterized in that, whether described inquiry Fax Server inside has the facsimile data that does not send to be: whether according to pre-set time interval, regularly inquiring about Fax Server inside has the facsimile data that does not send.

15. method as claimed in claim 13 is characterized in that, described call connection request is the call connection request message based on Session Initiation Protocol.

16. as claim 9 or 10 described methods, it is characterized in that IWF and receiving terminal carry out second facsimile negotiation described in the described step D, the facsimile data in the Fax Server is sent to receiving terminal be:

D2, IWF and receiving terminal carry out second facsimile negotiation, to Fax Server acquisition request facsimile data, and will send to receiving terminal from the facsimile data of fax server.

17. method as claimed in claim 9 is characterized in that, the facsimile data that described in the described step B transmitting terminal is sent sends to Fax Server and is: the Email E-mail that will carry called party information sends in the Fax Server.

18. method as claimed in claim 9, it is characterized in that, described MSC sends to Fax Server with called party information: the address of signatory E-mail in home location server HLR opens an account, and in HLR storage as the E-mail address of receiving terminal, MSC sends to Fax Server with the E-mail address after obtaining the E-mail address from HLR; Fax Server sends to facsimile data the receiving terminal of E-mail address correspondence by the Internet Internet.

19. method as claimed in claim 9, it is characterized in that, described MSC sends to Fax Server with called party information: the E-mail address is carried in digital command signal DCS or calling subscriber identification TSI or the facsimile data, send to IWF, IWF parses after the E-mail address, and the E-mail address that parses is sent to Fax Server.

20. method as claimed in claim 9, it is characterized in that, described MSC sends to Fax Server with called party information: transmitting terminal is carried on the E-mail address and sends to MSC in the out-of-band signalling, and MSC parses after the E-mail address, and the E-mail address that parses is sent to Fax Server.