CN101998023A - Facsimile system and facsimile disconnecting method - Google Patents
Facsimile system and facsimile disconnecting method Download PDFInfo
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- CN101998023A CN101998023A CN2009101627989A CN200910162798A CN101998023A CN 101998023 A CN101998023 A CN 101998023A CN 2009101627989 A CN2009101627989 A CN 2009101627989A CN 200910162798 A CN200910162798 A CN 200910162798A CN 101998023 A CN101998023 A CN 101998023A
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Abstract
The invention discloses facsimile system and method. The facsimile system comprises a first MGW (Media Gateway), an MGC (Media Gateway Controller) and a second MGW, wherein after a sending-end facsimile apparatus finishes sending facsimile data, the first MGW receives an in-band disconnect message (DCN) from the sending-end facsimile apparatus and responds to the received DCN message to send a facsimile end event (NOTIFY); the MGC is configured with a timing device and used for receiving the NOTIFY sent by the first MGW and responds to the received NOTIFY to start the timing device; the second MGW receives the DCN from the first MGW and back sends the NOTIFY to the MGC; if the MGC receives the NOTIFY back sent by the second MGW during the timing duration of the timing device, the MGC respectively sends an out-off-band disconnect command to a receiving-end facsimile apparatus and the second MGW; and if the MGC does not receive the NOTIFY back sent by the second MGW when the timing period of the timing device runs out, the MGC respectively sends the out-off-band disconnect command to the second MGW and the receiving-end facsimile apparatus. The facsimile system and method can be used for solving the problems of abnormal facsimile transmission and the like which are caused by early disconnection.
Description
Technical field
The disclosed technical scheme of the application relates to fasystem and method, relates more specifically to based on the fasystem of Media Gateway Controller and the fax method of taking out stitches.
Background technology
In existing fax through internet business based on media gateway realization, when facsimile service finishes or occurs when unusual, the processing of need taking out stitches usually is to discharge the current Internet resources that take.
Fig. 1 and Fig. 2 show the existing flow chart and the sequential chart of taking out stitches and handling based on Media Gateway Controller (MGC) system respectively.As shown in the figure, at step S01, after sending the facsimile data end, transmitting terminal facsimile machine 100 sends to transmitting terminal media gateway (MGW) 200 with fax completion (EOP) message.Transmitting terminal MG W200 sends to receiving terminal MGW 400 with the EOP message that receives.Subsequently, receiving terminal MGW 400 sends to receiving terminal facsimile machine 500 with the EOP message that receives.At step S02, receiving terminal facsimile machine 500 sends message acknowledgement message (MCF) message in response to the EOP message that receives, to transmitting terminal facsimile machine 100.After transmitting terminal facsimile machine 100 receives MCF message, discharge its interconnecting function that takies (IWF) fax resource, send the interior clear message (DCN) of band to MGW 200 (step S03).At step S04, transmitting terminal MG W 200 sends fax completion incident (NOTIFY) in response to the DCN message that receives to MGC300, sends DCN to receiving terminal MGW400 simultaneously.In step S05, MGC 300 orders in response to incident NOTIFY disconnect command (SUB) outside receiving terminal MGW400 sends band, and sends disconnect command (DISCONNECT) outside the band to receiving terminal facsimile machine 500.
In above-mentioned known technical scheme, if transmitting terminal MG W200 waits for that MCF is overtime and will send NOTIFY event notice fax completion to MGC300.In this case, MGC300 also can send disconnect command (SUB and DISCONNECT) outside the band respectively to the receiving terminal MGW400 and the machine 500 of receiving faxes in response to the NOTIFY incident that receives.
At this moment, have two kinds of abnormal conditions, the one, receiving terminal facsimile machine 500 has received EOP and has sent MCF message (the facsimile data transmission is finished), but received DISCONNECT message and do not received DCN, thereby receiving terminal facsimile machine 500 will think that fax is unusual, and in fact the reception of fax page or leaf is complete.The 2nd, receiving terminal MGW400 is when receiving EOP, if facsimile data is not also finished transmission, then EOP is not sent to the machine of receiving faxes 500, but message DISCONNECT has arrived the machine of receiving faxes 500 in advance, the fax page or leaf therefore occurs and receives incomplete problem.
In addition,, in sending band, transmitting terminal MG W200 behind the DCN clear message, reports the fax completion incident to MGC300 immediately, so that MGC300 control receiving terminal MGW400 takes out stitches according to technique scheme.But receiving terminal MGW400 might but receive clear message SUB earlier under the situation of not receiving DCN as yet; Perhaps receiving terminal MGW400 does not also send DCN to receiving terminal facsimile machine 500 and has just received SUB.Like this, receiving terminal MGW400 will be can send DCN to the receiving terminal facsimile machine, thinks the fax abnormal ending thereby cause the receiving terminal facsimile machine to can not receive DCN.
Therefore, need a kind of can be to the fax that the method for taking out stitches of the prior art the is improved method of taking out stitches.
Summary of the invention
At the defective that exists in the above-mentioned prior art, the application discloses the fasystem and the facsimile method that can improve above-mentioned defective to small part.
An aspect according to the application discloses a kind of fasystem, can comprise:
First media gateway after the transmitting terminal facsimile machine sends the facsimile data end, receives clear message from described transmitting terminal facsimile machine, and described first media gateway is configured to send the fax completion incident in response to the clear message that receives;
Media Gateway Controller receives the described fax completion incident that described first media gateway is sent, and described Media Gateway Controller disposes timing device, and starts described timing device in response to the described fax completion incident that receives,
Second media gateway receives described clear message from described first media gateway, and to described Media Gateway Controller loopback fax completion incident;
Wherein, described Media Gateway Controller be further configured into, if during the timing of described timing device, receive the described fax completion incident of the described second media gateway loopback, then the fax completion incident in response to the described second media gateway loopback sends disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway, and
If during the timing of described timing device, do not receive the fax completion incident of the described second media gateway loopback, then when expiring, timing sends disconnect command outside the band respectively to described second media gateway and described receiving terminal facsimile machine.
The application also openly can be used for the fasystem of a plurality of medium webmaster controllers.This system can comprise:
First media gateway after the transmitting terminal facsimile machine sends the facsimile data end, receives clear message from described transmitting terminal facsimile machine, and the fax completion incident of sending the first kind;
First Media Gateway Controller receives the fax completion incident of the described first kind, and in response to the described fax completion incident that receives, sends the fax completion incident of second type;
Second Media Gateway Controller receives the fax completion incident of described second type;
Second media gateway receives described clear message from described first media gateway, and in response to the clear message that receives, to the fax completion incident of the described second Media Gateway Controller loopback first kind;
Wherein, described second Media Gateway Controller disposes timing device, and be further configured to fax completion incident and start described timing device in response to described second type, if described second Media Gateway Controller receives the fax completion incident of the first kind of the described second media gateway loopback during the timing of described timing device, then the fax completion incident in response to the first kind of the described second media gateway loopback that receives sends disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway, and
If described second Media Gateway Controller does not receive the fax completion incident of the first kind of the described second media gateway loopback during the timing of described timing device, then when regularly expiring, send disconnect command outside the band respectively to described second media gateway and receiving terminal facsimile machine.
Another aspect according to the application discloses a kind of facsimile method, can comprise:
The transmitting terminal facsimile machine is sending facsimile data end back to first media gateway transmission clear message;
After described first media gateway receives described clear message, send described clear message, and send the fax completion incident to Media Gateway Controller to second media gateway;
After described second media gateway is received the described clear message that is sent by described first media gateway, to described Media Gateway Controller loopback fax completion incident;
After receiving the described fax completion incident that sends from described first media gateway, described Media Gateway Controller starts timing device;
Wherein, if described Media Gateway Controller receives the fax completion incident by the described second media gateway loopback during the timing of described timing device, then send disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway in response to the described fax completion incident that receives by the described second media gateway loopback, and
If described Media Gateway Controller does not receive the fax completion incident from described second media gateway during the timing of described timing device, then described Media Gateway Controller sends disconnect command outside the band respectively to described second media gateway and receiving terminal facsimile machine when described timing device timing expires.
In addition, the method that can fax and take out stitches between a plurality of webmaster controllers according to the application can comprise:
The transmitting terminal facsimile machine is sending facsimile data end back to first media gateway transmission clear message;
After described first media gateway receives described clear message, send described clear message, and send the fax completion incident of the first kind to first Media Gateway Controller to second media gateway;
Described first Media Gateway Controller sends the fax completion incident of second type to second Media Gateway Controller based on the fax completion incident of the described first kind;
In response to the described clear message that described first media gateway sends, described second media gateway is to the fax completion incident of the described second Media Gateway Controller loopback first kind, and
In response to the described second fax completion incident that described first Media Gateway Controller sends, described second Media Gateway Controller starts timing device,
Wherein, if described second Media Gateway Controller receives the fax completion incident of the first kind of the described second media gateway loopback during the timing of described timing device, then the fax completion incident in response to the first kind of the described second media gateway loopback that receives sends disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway, and
Wherein, if described second Media Gateway Controller does not receive the fax completion incident from described second media gateway during the timing of described timing device, then described second Media Gateway Controller sends disconnect command outside the described band respectively to described second media gateway and receiving terminal facsimile machine.
According to said system and method, in the fax disconnect process, Media Gateway Controller is a foundation whether to receive the fax completion incident, and decision is disconnect command outside the receiving terminal facsimile machine sends band.Promptly, Media Gateway Controller receives not carry out immediately behind the fax completion incident RELEASE that fax completion incident NOTIFY that the transmitting terminal media gateway sends or transmitting terminal Media Gateway Controller send and takes out stitches, carry out timing but start timing device, to wait for the fax completion incident of receiving terminal medium gateway to report, can guarantee that like this facsimile data effectively arrives the receiving terminal facsimile machine, thus problem such as the facsimile transmission that causes of avoiding taking out stitches in advance is unusual.
Description of drawings
Fig. 1 shows the flow chart of taking out stitches and handling according to prior art;
Fig. 2 schematically shows the sequential chart of taking out stitches and handling according to prior art;
Fig. 3 schematically shows according to the fasystem of the application's first execution mode and carries out the sequential chart that fax is taken out stitches;
Fig. 4 shows the flow chart of carrying out the method for taking out stitches of faxing based on the fasystem shown in Fig. 3;
Fig. 5 schematically shows according to the fasystem of the application's second execution mode and carries out the sequential chart that fax is taken out stitches; And
Fig. 6 shows the fasystem shown in Fig. 5 and carries out the method flow diagram that fax is taken out stitches.
Embodiment
With reference to the accompanying drawings to the disclosed fasystem of the application and carry out the method that fax takes out stitches based on this system and be elaborated.For simplicity's sake, in the explanation of each embodiment of the application, adopt identical with known system or similar device to use identical Reference numeral.
As shown in Figure 3, the fasystem 600 according to the application's first execution mode comprises transmitting terminal MG W (hereinafter to be referred as " MGW ") 200, Media Gateway Controller (MGC) 300 ' and receiving terminal MGW (hereinafter to be referred as " the 2nd MGW ") 400.
In this embodiment, after transmitting terminal facsimile machine 100 sends the facsimile data end, send fax completion message (EOP) to receiving terminal facsimile machine 500, and after obtaining the affirmation message (MCF) of receiving terminal facsimile machine 500 loopbacks, send clear message (DCN) to a MGW200.
The one MGW200 is configured to the DCN message that receiving end/sending end facsimile machine 100 sends.After the one MGW200 receives DCN from transmitting terminal facsimile machine 100, on the one hand send this DCN to the 2nd MGW400, send the fax completion incident to MGC300 ' on the other hand, H.248 this fax completion incident for example can be based on or the NOTIFY type of MGCP agreement.
The 2nd MGW400 is configured to receive from a MGW200 DCN of its transmission, and after receiving DCN, to described MGC300 ' loopback H.248 or the NOTIFY incident of MGCP agreement for example based on.
MGC300 ' disposes the timing device (not shown).Receive the NOTIFY of MGW200 transmission as MGC300 ' after, start timing device, to wait for NOTIFY from the 2nd MGW400 loopback.Here, timing device can be realized by the mode of software, hardware or soft or hard combination.If receive the NOTIFY of described the 2nd MGW loopback during the timing device timing, MGC300 ' sends disconnect command outside the band respectively to the 2nd MGW400 and receiving terminal facsimile machine 500, takes out stitches to indicate the 2nd MGW400 and receiving terminal facsimile machine 500.If MGC300 ' does not receive the NOTIFY of described the 2nd MGW loopback, then when the timing expiration of timing device, MGC300 ' sends disconnect command outside the band respectively to the 2nd MGW400 and receiving terminal facsimile machine 500, takes out stitches to indicate the 2nd MGW400 and receiving terminal facsimile machine 500.Here, MGC300 ' to the outer disconnect command of the band that the 2nd MGW400 sends for example be based on H.248 or the band of MGCP agreement outside disconnect command SUB, outside the band of receiving terminal facsimile machine 500 transmissions disconnect command for example be based on H.248 or the band of MGCP agreement outside disconnect command DISCONNECT.
Further describe a MGW 200, MGC300 ' in the MGC system 600 and the operation of the 2nd MGW400 with reference to the fax shown in Figure 4 method 1000 of taking out stitches below.
As shown in Figure 4, after transmitting terminal facsimile machine 100 sent fax completion, transmitting terminal facsimile machine 100 sent EOP message to a MGW 200 in step S101.The one MGW 200 is sent to receiving terminal facsimile machine 500 via the 2nd MGW 400 after receiving this EOP message.In step S102, in response to the EOP message that receives, receiving terminal facsimile machine 500 loopback message acknowledgement messages (MCF) are to transmitting terminal facsimile machine 100.In step S103, after transmitting terminal facsimile machine 100 receives MCF message, discharge its IWF that takies fax resource, send clear message (DCN) in the band to a MGW 200.
In step S104, in response to the DCN message that receives, a MGW 200 sends to receiving terminal facsimile machine 500 via the 2nd MGW 400 with DCN message on the one hand, then sends the fax completion incident to MGC300 ' on the other hand.The one MGW 200 can also discharge the IWF fax resource that a MGW 200 takies when MGC300 ' sends the fax completion incident.When the 2nd MGW400 receives DCN message and after receiving terminal facsimile machine 500 sends these DCN message from a MGW200, to receive faxes End Event and discharge the IWF fax resource that the 2nd MGW400 takies of MGC 300 ' loopback.
In step S105, MGC300 ' starts timing device and carries out timing in response to the NOTIFY incident that receives from a MGW 200.Here, the time span of timing device setting for example is between the 300-700ms, to be preferably 600ms.Considered that when determining the time that timing device is set network delay, MGW200 and 400 send message and discharge the shared time of resource.
In step S106, timing device MGC300 ' waits for the fax completion incident that receives from the 2nd MGW400 passback, if receive in the timing phase from the fax completion incident of the 2nd MGW400 passback, then MGC300 ' sends disconnect command outside the band respectively to the 2nd MGW 400 and receiving terminal facsimile machine 500.If when the timing expiration of described timing device, MGC300 ' does not receive the fax completion incident from the 2nd MGW400, then sends disconnect command outside the described band respectively to the 2nd MGW400 and receiving terminal facsimile machine 500.The 2nd MGW 400 deletes Time Division Multiplexing passage and IP tunnel that it takies based on the outer disconnect command of the band that receives; Receive faxes machine 500 based on the outer disconnect command of the band that receives, discharge its fax line, carry out the on-hook operation.In one embodiment, to the outer disconnect command of the band that the 2nd MGW 400 and receiving terminal facsimile machine 500 sends can be based on respectively H.248 or the SUB of MGCP agreement and be with outside disconnect command DISCONNECT.
In the above-described embodiment, described execution of step S101 and S102, and after transmitting terminal facsimile machine 100 receives MCF message, just sent the scheme of DCN message to a MGW 200; Yet it should be appreciated by those skilled in the art that the trigger condition that a MGW 200 sends clear message in the band is not limited in this, and, can send clear message in the band to a MGW 200 as long as transmitting terminal facsimile machine 100 confirms that it sends facsimile data and finishes.
In addition, with a MGW 200 and the 2nd MGW 400 is that to be example be described the MGC system 600 of above-mentioned execution mode two independent entities, yet, it should be appreciated by those skilled in the art that the function that a MGW 200 and the 2nd MGW 400 are realized can also realize in a MGW.
The MGC system 700 of the application's second execution mode is described below with reference to Fig. 5.As shown in Figure 5, MGC system 700 comprises transmitting terminal MG W (being designated hereinafter simply as " MGW ") 200, transmitting terminal MGC (being designated hereinafter simply as " MGC ") 300 ', receiving terminal MGC (being designated hereinafter simply as " the 2nd MGC ") 300 " and receiving terminal MGW (being designated hereinafter simply as " the 2nd MGW ") 400.
In this embodiment, after transmitting terminal facsimile machine 100 sends the facsimile data end, send fax completion message (EOP) via first and second MGW to receiving terminal facsimile machine 500, and after obtaining the affirmation message (MCF) of receiving terminal facsimile machine 500 loopbacks, send clear message (DCN) to a MGW200.The one MGW200 is configured to this DCN is sent to the 2nd MGW400, and in response to this DCN message, sends the fax completion incident of the first kind to a MGC300 '.H.248 or the NOTIFY event type of MGCP agreement the fax completion incident of the first kind for example is based on.The 2nd MGW400 is after receiving the DCN that a MGW200 sends, to the 2nd MGC300 " the fax completion incident of the loopback first kind.
The one MGC300 ' is configured to the End Event of receiving faxes from a MGW, and in response to the fax completion incident that receives, to the 2nd MGC300 " send the fax completion incident of second type.Here, the fax completion incident of second type for example can be the RELEASE event type based on the BICC/ISUP agreement.
The 2nd MGC300 " dispose timing device, and be configured to receive the fax completion incident of described second type from a MGC300 '.In response to the fax completion incident of second type that receives, the 2nd MGC300 " start described timing device and carry out timing.Wherein, during the timing of described timing device, if described the 2nd MGC300 " receive the fax completion incident of the first kind of the 2nd MGW400 loopback, then send disconnect command outside the band respectively to receiving terminal facsimile machine 500 and the 2nd MGW400.If the 2nd MGC300 " do not receive the fax completion incident of the first kind of the 2nd MGW400 loopback; then when the timing expiration of described timing device; the 2nd MGC300 " to the 2nd MGW400 and receiving terminal facsimile machine 500 sends respectively be with outside disconnect command, take out stitches forcing.In one embodiment, to the outer disconnect command of the band that the 2nd MGW 400 and receiving terminal facsimile machine 500 sends can be based on respectively H.248 or the SUB of MGCP agreement and be with outside disconnect command DISCONNECT.
Further describe a MGW 200, a MGC300 ', the 2nd MGC300 in the MGC system 700 with reference to the fax shown in Figure 6 method 2000 of taking out stitches below " and the operation of the 2nd MGW400.
As shown in Figure 6, in step S201, transmitting terminal facsimile machine 100 sends EOP message to a MGW200; MGW 200 sends to the 2nd MGW 400 with the EOP message that receives.The machine 500 of receiving faxes receives EOP message from the 2nd MGW 400 then.In step S202, in response to the EOP message that receives, receiving terminal facsimile machine 500 loopback message acknowledgement messages (MCF) are to sending facsimile machine 100.
In step S203, transmitting terminal facsimile machine 100 sends clear message (DCN) in the band in response to the MCF message that receives to a MGW 200.Transmitting terminal facsimile machine 100 also discharges its IWF that takies fax resource in response to the MCF message that receives.In step S204, in response to the DCN message that receives, transmitting terminal MG W 200 sends clear message DCN in the band to the 2nd MGW 400 on the one hand, sends the fax completion incident to a MGC300 ' on the other hand.The 2nd MGW400 will be sent to receiving terminal facsimile machine 500 from the DCN message that a MGW200 receives, subsequently to MGC 300 " the fax completion incident (NOTIFY) of the loopback first kind.
In step S205, a MGC300 ' is in response to the fax completion incident that receives from a MGW200, to the 2nd MGC300 " transmission fax completion incident RELEASE.In step S206, the 2nd MGC300 " in response to the RELEASE incident that receives, start timing device and carry out timing.The time span of timer setting here for example is between the 300-700ms, to be preferably 600ms.Considered that when determining the time that timing device is set network delay and MGW200 and 400 send message and discharge the shared time of resource.
In step S207, the 2nd MGC300 " wait for to receive from the fax completion incident of the 2nd MGW400 passback; if in the timing phase, receive from the fax completion incident of the 2nd MGW400 passback, the 2nd MGC300 " to the 2nd MGW 400 and receiving terminal facsimile machine 500 sends respectively be with outside disconnect command.If when the timing expiration of described timing device, the 2nd MGC300 " do not receive the fax completion incident from the 2nd MGW400, then send disconnect command outside the described band respectively to the 2nd MGW400 and receiving terminal facsimile machine 500.The 2nd MGW 400 deletes Time Division Multiplexing passage and IP tunnel that it takies based on the outer disconnect command of the band that receives; Receive faxes machine 500 based on the outer disconnect command of the band that receives, discharge its fax line, and carry out the on-hook operation.
In the above-described embodiment, described execution of step S201 and S202, and after transmitting terminal facsimile machine 100 receives MCF message, just sent the scheme of clear message in the band to a MGW 200; Yet it should be appreciated by those skilled in the art that the trigger condition that a MGW 200 sends clear message in the band is not limited in this, and, can send clear message in the band to a MGW 200 as long as transmitting terminal facsimile machine 100 confirms that it sends facsimile data and finishes.
The above only is some concrete execution modes; be not to be used for limiting claim of the present invention; every equivalent transformation that utilizes present specification and accompanying drawing content to be done; or the equivalent technologies feature that directly or indirectly is used in other relevant technical fields modification that the disclosed technical scheme of present specification is carried out, include in protection scope of the present invention.
Claims (10)
1. fasystem comprises:
First media gateway after the transmitting terminal facsimile machine sends the facsimile data end, receives clear message from described transmitting terminal facsimile machine, and described first media gateway is sent the fax completion incident in response to the clear message that receives;
Media Gateway Controller receives the described fax completion incident that described first media gateway is sent, and described Media Gateway Controller disposes timing device, and starts described timing device in response to the described fax completion incident that receives,
Second media gateway receives described clear message from described first media gateway, and to described Media Gateway Controller loopback fax completion incident;
Wherein, described Media Gateway Controller be further configured into, if during the timing of described timing device, receive the described fax completion incident of the described second media gateway loopback, then the fax completion incident in response to the described second media gateway loopback sends disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway, and
If during the timing of described timing device, do not receive the fax completion incident of the described second media gateway loopback, then when expiring, timing sends disconnect command outside the band respectively to described second media gateway and described receiving terminal facsimile machine.
H.248 or the type of MGCP agreement 2. the system as claimed in claim 1, wherein, described fax completion incident is based on.
3. fasystem comprises:
First media gateway after the transmitting terminal facsimile machine sends the facsimile data end, receives clear message from described transmitting terminal facsimile machine, and the fax completion incident of sending the first kind;
First Media Gateway Controller receives the fax completion incident of the described first kind, and in response to the described fax completion incident that receives, sends the fax completion incident of second type;
Second Media Gateway Controller receives the fax completion incident of described second type;
Second media gateway receives described clear message from described first media gateway, and in response to the clear message that receives, to the fax completion incident of the described second Media Gateway Controller loopback first kind;
Wherein, described second Media Gateway Controller disposes timing device, and be further configured to fax completion incident and start described timing device in response to described second type, if described second Media Gateway Controller receives the fax completion incident of the first kind of the described second media gateway loopback during the timing of described timing device, then the fax completion incident in response to the first kind of the described second media gateway loopback that receives sends disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway, and
If described second Media Gateway Controller does not receive the fax completion incident of the first kind of the described second media gateway loopback during the timing of described timing device, then when regularly expiring, send disconnect command outside the band respectively to described second media gateway and receiving terminal facsimile machine.
4. system as claimed in claim 3, wherein, H.248 or the incident of the NOTIFY type of MGCP agreement the fax completion incident of the described first kind is based on, and the fax completion incident of described second type is the incident based on the RELEASE type of BICC/ISUP agreement.
5. method that fax is taken out stitches comprises:
The transmitting terminal facsimile machine is sending facsimile data end back to first media gateway transmission clear message;
After described first media gateway receives described clear message, send described clear message, and send the fax completion incident to Media Gateway Controller to second media gateway;
After described second media gateway is received the described clear message that is sent by described first media gateway, to described Media Gateway Controller loopback fax completion incident;
After receiving the described fax completion incident that sends from described first media gateway, described Media Gateway Controller starts timing device;
Wherein, if described Media Gateway Controller receives the fax completion incident by the described second media gateway loopback during the timing of described timing device, then send disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway in response to the described fax completion incident that receives by the described second media gateway loopback, and
If described Media Gateway Controller does not receive the fax completion incident from described second media gateway during the timing of described timing device, then described Media Gateway Controller sends disconnect command outside the band respectively to described second media gateway and receiving terminal facsimile machine when described timing device timing expires.
6. method as claimed in claim 5, wherein, described fax completion incident is the incident based on the RELEASE type of BICC/ISUP agreement.
7. method as claimed in claim 5, wherein, described transmitting terminal facsimile machine comprises to the step of first media gateway transmission clear message after sending the facsimile data end:
Described transmitting terminal facsimile machine sends fax completion message to described receiving terminal facsimile machine after sending the facsimile data end;
In response to described fax completion message, described receiving terminal facsimile machine sends acknowledge message to described transmitting terminal facsimile machine; And
Described transmitting terminal facsimile machine sends described clear message in response to described acknowledge message to described first media gateway.
8. method that fax is taken out stitches comprises:
The transmitting terminal facsimile machine is sending facsimile data end back to first media gateway transmission clear message;
After described first media gateway receives described clear message, send described clear message, and send the fax completion incident of the first kind to first Media Gateway Controller to second media gateway;
Described first Media Gateway Controller sends the fax completion incident of second type to second Media Gateway Controller based on the fax completion incident of the described first kind;
In response to the described clear message that described first media gateway sends, described second media gateway is to the fax completion incident of the described second Media Gateway Controller loopback first kind, and
In response to the described second fax completion incident that described first Media Gateway Controller sends, described second Media Gateway Controller starts timing device,
Wherein, if described second Media Gateway Controller receives the fax completion incident of the first kind of the described second media gateway loopback during the timing of described timing device, then the fax completion incident in response to the first kind of the described second media gateway loopback that receives sends disconnect command outside the band respectively to receiving terminal facsimile machine and described second media gateway, and
Wherein, if described second Media Gateway Controller does not receive the fax completion incident from described second media gateway during the timing of described timing device, then described second Media Gateway Controller sends disconnect command outside the described band respectively to described second media gateway and receiving terminal facsimile machine.
9. method as claimed in claim 8, wherein, H.248 or the incident of the NOTIFY type of MGCP agreement the fax completion incident of the described first kind is based on, and the fax completion incident of described second type is the incident based on the RELEASE type of BICC/ISUP agreement.
10. method as claimed in claim 8, wherein, described transmitting terminal facsimile machine also comprises to the step of first media gateway transmission clear message after sending the facsimile data end:
Described transmitting terminal facsimile machine is sending facsimile data end back to described receiving terminal facsimile machine transmission fax completion message; And
In response to described fax completion message, described receiving terminal facsimile machine sends acknowledge message to described transmitting terminal facsimile machine; And
In response to described acknowledge message, described transmission facsimile machine sends described clear message to described first media gateway.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910162798A CN101998023B (en) | 2009-08-14 | 2009-08-14 | Facsimile system and facsimile disconnecting method |
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| CN200910162798A CN101998023B (en) | 2009-08-14 | 2009-08-14 | Facsimile system and facsimile disconnecting method |
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| CN101998023A true CN101998023A (en) | 2011-03-30 |
| CN101998023B CN101998023B (en) | 2012-09-05 |
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| CN200910162798A Expired - Fee Related CN101998023B (en) | 2009-08-14 | 2009-08-14 | Facsimile system and facsimile disconnecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111064598A (en) * | 2019-11-14 | 2020-04-24 | 深圳震有科技股份有限公司 | Method, system, gateway and storage medium for abnormal disconnection of media stream |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100527740C (en) * | 2005-11-17 | 2009-08-12 | 华为技术有限公司 | Method for switching services |
| CN101252630B (en) * | 2007-12-27 | 2010-06-09 | 华为技术有限公司 | Faxing method, gateway and system |
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2009
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111064598A (en) * | 2019-11-14 | 2020-04-24 | 深圳震有科技股份有限公司 | Method, system, gateway and storage medium for abnormal disconnection of media stream |
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| CN101998023B (en) | 2012-09-05 |
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