CN111586258B - Method, system and storage medium for completing fax call based on fax gateway - Google Patents
Method, system and storage medium for completing fax call based on fax gateway Download PDFInfo
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- CN111586258B CN111586258B CN202010315763.0A CN202010315763A CN111586258B CN 111586258 B CN111586258 B CN 111586258B CN 202010315763 A CN202010315763 A CN 202010315763A CN 111586258 B CN111586258 B CN 111586258B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
- H04N1/32715—Detecting
- H04N1/32719—Detecting a facsimile calling signal, e.g. CNG
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
- H04N1/32739—Generating signals
- H04N1/32741—Generating ringing or calling signals or tones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32704—Establishing a communication with one of a facsimile and another telecommunication apparatus sharing a single line
- H04N1/32739—Generating signals
- H04N1/32743—Generating ring-back signals or tones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N1/327—Initiating, continuing or ending a single-mode communication; Handshaking therefor
- H04N1/32789—Details of handshaking
- H04N1/32791—Arrangements for reducing the handshaking procedure or protocol time
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimiles In General (AREA)
- Facsimile Transmission Control (AREA)
Abstract
The method, system and storage medium for completing fax calling based on fax gateway provided by the present disclosure includes: the calling fax terminal initiates a fax call; the fax gateway receives the fax call, matches the corresponding fax call signal tone according to the characteristics of the received fax call in a preset fax signal tone file library, and sends the matched fax call signal tone to a called fax terminal; the called fax terminal receives the matched fax call tone. The fax calling initiated by the calling fax terminal is matched in the fax signal tone file library modulated by the fax gateway in advance, and the matched corresponding calling signal tone is sent to the called fax terminal, so that the fax between the calling fax terminal and the called fax terminal is established, the fax calling is realized only by acting the fax gateway, a single tone file does not need to be modulated for many times, and the fax efficiency is improved.
Description
Technical Field
The present disclosure relates to the field of fax calling technologies, and in particular, to a method, a system, and a storage medium for completing a fax call based on a fax gateway.
Background
The fax call is initiated by modulating fax tones through the calling fax terminal and the called fax terminal, and for a medium-fax gateway device between the calling fax terminal and the called fax terminal, the initiation and the handshake of the fax call are based on the fax tone detection of the fax terminal to trigger a fax event at the gateway side, so that the fax gateway controls the fax call to complete T.30 fax or T.38 fax.
However, in general, because the fax call initiated by the calling fax terminal is diversified, different fax tones need to be modulated, but some fax tones cannot be received by the fax gateway, and thus the fax call cannot be transmitted to the called fax terminal.
Therefore, the prior art has defects and needs to be improved and developed.
Disclosure of Invention
The technical problem to be solved by the present disclosure is to provide a method, a system and a storage medium for completing a fax call based on a fax gateway, aiming at solving the problem of low fax efficiency caused by that a fax call initiated by a calling fax terminal in the prior art cannot be received by the fax gateway and then needs to modulate fax tones again.
The technical scheme adopted by the disclosure for solving the technical problem is as follows:
a method for completing a facsimile call based on a facsimile gateway, comprising:
the calling fax terminal initiates a fax call;
the fax gateway receives the fax call, matches the corresponding fax call signal tone according to the characteristics of the received fax call in a preset fax signal tone file library, and sends the matched fax call signal tone to a called fax terminal;
the called fax terminal receives the matched fax call tone.
Further, the method for receiving the fax call by the fax gateway matches a corresponding fax call tone according to the characteristics of the received fax call in a preset fax tone file library, and sends the matched fax call tone to the called fax terminal includes:
the fax gateway receives the fax call, and matches corresponding fax call signal tones and fax response signal tones in a preset fax signal tone file library according to the characteristics of the received fax call;
and exchanging the matched fax calling signal tone and fax answering signal tone through a data exchange system, and sending the fax calling signal tone to a called fax terminal.
Further, the exchanging the matched fax call tone and fax answer tone through the data exchange system, then includes:
the fax gateway sends a response prompt tone to the calling fax terminal according to the fax response signal tone;
the calling fax terminal receives the response prompt tone;
and the fax gateway modulates the calling handshake signaling flow according to the fax response signal tone and establishes fax handshake with the calling fax terminal.
Further, the fax gateway sends the fax call signal tone to the called fax terminal, and then comprises:
the called fax terminal sends a call prompt tone to the fax gateway according to the received fax call signal tone;
and the fax gateway establishes fax handshake with the called fax terminal according to the fax call signal tone and the called handshake signaling stream.
Further, after the fax gateway establishes fax handshakes with the calling fax terminal and the called fax terminal respectively, the method comprises the following steps:
the calling fax terminal sends calling data to the called fax terminal;
the called fax terminal receives the call data, generates response data according to the received call data, and sends the generated response data to the calling fax terminal.
Further, the preset fax signal sound file library comprises a call signal sound file, an answer signal sound file and a prompt sound signal file which are modulated in advance.
Further, the calling fax terminal at least comprises one fax terminal, and when the number of the calling fax terminals is multiple, the method comprises the following steps:
a plurality of calling fax terminals initiate fax calls;
the fax gateway matches a plurality of corresponding fax call signal tones and a plurality of corresponding fax answer signal tones in a preset fax signal tone file library according to the received fax calls and the characteristics of the received fax calls; and transmitting the plurality of fax response signal tones to the corresponding called fax terminal.
Further, the calling fax terminal and the called fax terminal are analog terminals, ISDN terminals or PRI terminals.
The present disclosure also provides a system comprising a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors comprises means for performing the method for completing a fax call based on a fax gateway as described above.
The present disclosure also provides a storage medium, wherein the storage medium stores a computer program executable for implementing the method for completing a fax call based on a fax gateway as described above.
The method, system and storage medium for completing fax calling based on fax gateway provided by the present disclosure includes: the calling fax terminal initiates a fax call; the fax gateway receives the fax call, matches the corresponding fax call signal tone according to the characteristics of the received fax call in a preset fax signal tone file library, and sends the matched fax call signal tone to a called fax terminal; the called fax terminal receives the matched fax call tone. The fax call initiated by the calling fax terminal is matched in the fax signal sound file library modulated by the fax gateway in advance, and the matched corresponding call signal sound is sent to the called fax terminal, so that the fax between the calling fax terminal and the called fax terminal is established, and the problems that the fax gateway cannot be completely identified and the fax calling efficiency is reduced because the single tone file needs to be modulated again because the single tone file needs to be modulated each time are avoided. The method and the system only realize the fax calling through the fax gateway proxy, do not need to modulate the single tone file in real time, and can realize the fax calling proxy for the fax calling initiated by a plurality of calling fax terminals at the same time, thereby improving the use flexibility of the fax gateway and greatly improving the fax efficiency.
Drawings
FIG. 1 is a flow chart of a preferred embodiment of a method of completing a fax call based on a fax gateway in the present disclosure;
FIG. 2 is a flow chart of a process for a fax gateway to establish a fax handshake with a calling fax terminal according to the present disclosure;
FIG. 3 is a flow chart of a process for the fax gateway to establish a fax handshake with a called fax terminal according to the present disclosure;
FIG. 4 is a schematic illustration of signal transmission among a fax gateway, a calling fax terminal, and a called fax terminal according to the present disclosure;
fig. 5 is a functional block diagram of a preferred embodiment of the system of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure clearer and clearer, the present disclosure is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.
Referring to fig. 1, fig. 1 is a flowchart illustrating a method for completing a fax call based on a fax gateway according to the present disclosure. As shown in fig. 1, a method for completing a fax call based on a fax gateway according to an embodiment of the present disclosure includes the following steps:
s100, the calling fax terminal initiates a fax call.
S200, the fax gateway receives the fax call, matches the corresponding fax call signal tone according to the characteristics of the received fax call in a preset fax signal tone file library, and sends the matched fax call signal tone to the called fax terminal.
S300, the called fax terminal receives the matched fax calling signal tone.
Specifically, a FAX gateway (FAX GW, fully called FAX gateway) modulates FAX signal files corresponding to a plurality of different FAX call tones in advance to satisfy FAX calls of different FAX terminals, thereby improving the usage rate of the FAX signal files; and a plurality of fax signal files can be shared in fax calls of different fax terminals, namely each fax signal file only needs to be modulated by one part to meet the requirements of a plurality of fax calls, so that the resource occupation of a fax gateway is avoided, and the fax efficiency is improved.
Wherein, deposit a plurality of fax signal sound files in the fax signal sound file storehouse jointly, every fax signal sound file includes: calling a signal tone file (represented by CNG, called Calling tone entirely) with a frequency of 1100Hz + -15%; the prompt tone signal file (represented by CED, Called station identification) has the frequency of 2100Hz +/-15 percent; answering tone signal files, including answering tones without phase reversal (ANS) and answering tones with 15Hz amplitude modulation (ANSAN).
The method modulates a plurality of fax signal files in advance through the fax gateway, when a calling fax terminal sends a fax call, the fax gateway can match corresponding fax call signal tones and fax response signal tones in the fax signal files according to the characteristics of the fax call, so that the fax event that the calling fax terminal modulates single tones to trigger the fax gateway in the prior art is avoided, the fax call can be independently proxied through the fax gateway, the fax call can be directly initiated through the fax gateway, and then the fax call handshake is established through the T.38 signaling, so that the fax call of the gateway equipment can be proxied is diversified, the use flexibility of the fax gateway is improved, and the fax efficiency is greatly improved.
For the calling fax terminal and the called fax terminal, as shown in fig. 2 and fig. 3, the fax call via the fax gateway proxy is a process of establishing fax handshake between the calling fax terminal and the fax gateway, and the process specifically includes the following steps. Fig. 4 is a schematic diagram of signal transmission among a fax gateway, a calling fax terminal and a called fax terminal:
s100, the calling fax terminal initiates a fax call.
S210, the fax terminal receives the fax call, and the corresponding fax call signal tone and the corresponding fax answer signal tone are matched in the preset fax signal tone file library according to the characteristics of the received fax call.
S220, the data exchange system exchanges the matched fax calling signal tone and fax answering signal tone.
Specifically, through a fax signal file and a synchronous output system which are modulated in advance, when a fax gateway receives a fax call, firstly, a fax call tone is modulated or demodulated through a Digital Signal Processor (DSP), then, feature matching is carried out through the fax gateway, after the corresponding fax call tone and the corresponding fax response tone are matched, the modulated fax call tone and the modulated fax response tone are exchanged through a data exchange system and a Time Division Multiplexing (TDM) type subscriber line interface in real Time, then, the fax call or the fax response is sent to a plurality of fax terminals through the synchronous output system, so that the initiation and the response of the fax call of the fax gateway are realized, and the fax gateway is supported to initiate a plurality of fax calls simultaneously through the synchronous output of the fax signal file.
As shown in fig. 2, the following is a partial process of establishing a fax handshake between the fax gateway and the calling fax terminal:
and S221, the fax gateway sends a response prompt tone to the calling fax terminal according to the fax response signal tone.
S222, the calling fax terminal receives the response prompt tone.
And S223, the fax gateway modulates the calling handshake signaling flow according to the fax response signal tone, and establishes fax handshake with the calling fax terminal. Specifically, T.30 handshake related signaling flow can be modulated through the DSP, T.4 page data transmission can be realized after fax handshake is established with the calling fax terminal, and then fax functions such as T.38/T.30/T.37 are completed according to actual fax requirements.
While the step S221 is executed, as shown in fig. 3, the following is a partial procedure for the fax gateway to establish a fax handshake with the calling fax terminal:
simultaneously with the step S221, the fax gateway transmits the fax call tone to the called fax terminal in step S230.
S300, the called fax terminal receives the matched fax calling signal tone.
S310, the called fax terminal sends a call prompt tone to the fax gateway according to the received fax call signal tone.
And S320, the fax gateway establishes fax handshake with the called fax terminal according to the fax call signal tone and the called handshake signaling stream. Specifically, T.30 handshake related signaling flow can be modulated through the DSP, T.4 page data transmission can be realized after fax handshake is established with a called fax terminal, and then fax functions such as T.38/T.30/T.37 and the like are completed according to actual fax requirements.
Thus, after the fax gateway establishes the fax handshake with the calling fax terminal and the called fax terminal in steps S223 and S320, respectively, the method further includes:
s400, the calling fax terminal sends calling data to the called fax terminal;
s500, the called fax terminal receives the call data, generates response data according to the received call data, and sends the generated response data to the calling fax terminal.
Data transmission can be realized on page data through fax handshake, and further data transmission between a calling fax terminal and a called fax terminal is realized.
Certainly, in the present disclosure, the gateway proxy call can be simultaneously performed on a plurality of fax terminals, and when a plurality of calling fax terminals are provided, the plurality of calling fax terminals initiate fax calls.
Specifically, the fax gateway matches a plurality of corresponding fax call signal tones and a plurality of corresponding fax answer signal tones according to the characteristics of a plurality of received fax calls in a preset fax signal tone file library according to the plurality of received fax calls; and transmitting the plurality of fax response signal tones to the corresponding called fax terminal. Therefore, the fax gateway can simultaneously proxy a plurality of fax calls, the fax efficiency is improved, and meanwhile, fax resources are not occupied.
The calling fax terminal and the called fax terminal are one or more of analog terminals, ISDN terminals or PRI terminals.
The present disclosure also provides a system comprising a memory 20, and one or more programs, wherein the one or more programs are stored in the memory 20 and configured to be executed by the one or more processors 10 comprises a method for performing a facsimile call completion based on a facsimile gateway as described above.
The present disclosure also provides a storage medium, wherein the storage medium stores a computer program executable for implementing the method for completing a fax call based on a fax gateway as described above.
In summary, the present disclosure discloses a method, a system and a storage medium for completing a fax call based on a fax gateway, where the method includes: the calling fax terminal initiates a fax call; the fax gateway receives the fax call, matches the corresponding fax call signal tone according to the characteristics of the received fax call in a preset fax signal tone file library, and sends the matched fax call signal tone to a called fax terminal; the called fax terminal receives the matched fax call tone. The method modulates a plurality of fax signal files in advance through the fax gateway, when a calling fax terminal sends a fax call, the fax gateway can match corresponding fax call signal tones and fax response signal tones in the fax signal files according to the characteristics of the fax call, so that the fax event that the calling fax terminal modulates single tones to trigger the fax gateway in the prior art is avoided, the fax call can be independently proxied through the fax gateway, the fax call can be directly initiated through the fax gateway, and then the fax call handshake is established through the T.38 signaling, so that the fax call of the gateway equipment can be proxied is diversified, the use flexibility of the fax gateway is improved, and the fax efficiency is greatly improved.
It is to be understood that the application of the present disclosure is not limited to the examples described above, and that modifications and variations may be made by persons skilled in the art in light of the above teachings, and all such modifications and variations are intended to fall within the scope of the appended claims.
Claims (10)
1. A method for completing a facsimile call based on a facsimile gateway, comprising:
the calling fax terminal initiates a fax call;
the fax gateway receives the fax call, matches the corresponding fax call signal tone according to the characteristics of the received fax call in a preset fax signal tone file library, and sends the matched fax call signal tone to a called fax terminal;
the called fax terminal receives the matched fax call tone.
2. The method for completing the fax call according to claim 1, wherein the fax gateway receives the fax call, matches the corresponding fax call tone according to the feature of the received fax call in a preset fax tone file library, and sends the matched fax call tone to the called fax terminal, which specifically comprises:
the fax gateway receives the fax call, and matches corresponding fax call signal tones and fax response signal tones in a preset fax signal tone file library according to the characteristics of the received fax call;
and exchanging the matched fax calling signal tone and fax answering signal tone through a data exchange system, and sending the fax calling signal tone to a called fax terminal.
3. The method for completing a fax call according to claim 2, wherein the matched fax call tone and fax answer tone are exchanged via a data switching system, and thereafter comprising:
the fax gateway sends a response prompt tone to the calling fax terminal according to the fax response signal tone;
the calling fax terminal receives the response prompt tone;
and the fax gateway modulates the calling handshake signaling flow according to the fax response signal tone and establishes fax handshake with the calling fax terminal.
4. The method of claim 3, wherein the facsimile gateway transmits the facsimile call tone to the called facsimile terminal, and thereafter comprises:
the called fax terminal sends a call prompt tone to the fax gateway according to the received fax call signal tone;
and the fax gateway establishes fax handshake with the called fax terminal according to the fax call signal tone and the called handshake signaling stream.
5. The method for completing the fax call according to the fax gateway of claim 4, wherein after the fax gateway establishes the fax handshake with the calling fax terminal and the called fax terminal respectively, the method comprises:
the calling fax terminal sends calling data to the called fax terminal;
the called fax terminal receives the call data, generates response data according to the received call data, and sends the generated response data to the calling fax terminal.
6. The method for completing a fax call according to claim 1, wherein the preset fax signal tone file library comprises pre-modulated call signal tone files, answer signal files and prompt tone signal files.
7. The method for completing fax calls according to any one of claims 1-6, wherein the calling fax terminal comprises at least one fax terminal, and when the number of the calling fax terminals is multiple, the method comprises:
a plurality of calling fax terminals initiate fax calls;
the fax gateway matches a plurality of corresponding fax call signal tones and a plurality of corresponding fax answer signal tones in a preset fax signal tone file library according to the received fax calls and the characteristics of the received fax calls; and transmitting the plurality of fax response signal tones to the corresponding called fax terminal.
8. The method of claim 1, wherein the calling fax terminal and the called fax terminal are analog terminals, ISDN terminals, or PRI terminals.
9. A system for completing a fax call based on a fax gateway, comprising a memory and one or more programs, wherein the one or more programs are stored in the memory, and the one or more programs configured to be executed by the one or more processors comprise means for performing the method for completing a fax call based on a fax gateway according to any one of claims 1-8.
10. A storage medium, characterized in that the storage medium stores a computer program executable for implementing the method of completing a fax call based on a fax gateway according to any one of claims 1-8.
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| CN202010315763.0A CN111586258B (en) | 2020-04-21 | 2020-04-21 | Method, system and storage medium for completing fax call based on fax gateway |
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| CN202010315763.0A CN111586258B (en) | 2020-04-21 | 2020-04-21 | Method, system and storage medium for completing fax call based on fax gateway |
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| CN105979106A (en) * | 2016-06-13 | 2016-09-28 | 北京容联易通信息技术有限公司 | Ring tone recognition method and system for call center system |
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2020
- 2020-04-21 CN CN202010315763.0A patent/CN111586258B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001050734A2 (en) * | 2000-01-06 | 2001-07-12 | Qualcomm Incorporated | Method and system for transparently determining call service options |
| CN1832515A (en) * | 2005-03-08 | 2006-09-13 | 华为技术有限公司 | Authorization system of automatic answering equipment and its authorization method |
| CN101155095A (en) * | 2006-09-29 | 2008-04-02 | 华为技术有限公司 | Method, system and gateway for negotiation of data signal detector ability |
| CN105934762A (en) * | 2014-06-03 | 2016-09-07 | 华为技术有限公司 | Fax processing method and fax machine system |
| CN105979106A (en) * | 2016-06-13 | 2016-09-28 | 北京容联易通信息技术有限公司 | Ring tone recognition method and system for call center system |
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