JP2006148359A - Telephone call recording device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a telephone call recording device capable of recording a voice of a call by a telephone even if a user of a caller's telephone set does not extend special equipment. <P>SOLUTION: When the caller's telephone set 4 makes a call to the telephone call recording device 8, and the telephone number of a called telephone set 12 is transmitted, a telephone calling means 38 at a control unit 31 in the telephone call recording device 8 calls the telephone number of the called telephone set 12, and a telephone relay means 39 relays a caller's telephone set 4 and the called telephone set 12. A telephone call recording means 40 stores a sound signal communicated between the caller's telephone set 4 and the called telephone set 12 at a data storage 32, during the relay between a line connected to the caller's telephone set 4 and that connected to the called telephone set 12 by the telephone relay means 39. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a call recording apparatus for recording a voice signal communicated between telephones.

In a company or the like, when a telephone call is made with many customers by a telephone and the call is recorded, a recording device for recording the call is connected and the call made through the telephone is recorded on the recording device ( Non-patent document 1).
Logit Co., Ltd., Products [Product Introduction], NiceLog Telephone Recording Device, Internet <http://www.logit.co.jp/products/nicelog>

  However, in order to record and manage a large amount of calls made on a daily basis in the recording device, a large-capacity device is required as the recording device, which increases costs. In addition, the system maintenance costs high including human costs.

  Accordingly, an object of the present invention is to provide a call recording device that allows a user of a caller telephone to record the voice of a telephone call without adding special equipment.

  A call recording apparatus according to the present invention is connected to a public line network, and is connected to a telephone line from a caller telephone and connected to a telephone line to a call destination telephone, and a telephone transceiver. A data storage unit for storing a voice signal communicated between the calling telephone and the call destination telephone; and a control unit connected to the telephone transceiver and the data storage unit. The telephone call means for receiving the telephone number of the call destination telephone transmitted from the original telephone and calling the telephone number; and after the telephone number of the call destination telephone is called by the telephone call means, the call is made A telephone relay means for relaying the line connected to the original telephone and the line connected to the call destination telephone, and a voice signal communicated between the call source telephone and the call destination telephone stored in the data storage unit And a call recording means.

  According to this call recording apparatus, when a call is made from the caller telephone to the callee telephone, the call recording apparatus temporarily receives the call from the caller telephone and receives the telephone number of the callee telephone. . In other words, a call made from the caller telephone is received by the telephone transceiver, the line with the caller telephone is connected, and the telephone number of the callee telephone sent from the caller telephone is also transmitted / received by telephone. It is received by the control unit via the machine. The telephone call means in the control unit receives the telephone number of the call destination telephone, calls the telephone number of the call destination telephone, and the telephone relay means makes a call to the line connected to the call source telephone. Relay the line connected to the called telephone. Therefore, a conversation can be performed between the speaker of the caller telephone and the speaker of the callee telephone. Furthermore, the voice signal communicated between the caller telephone and the callee telephone is stored in the data storage section by the call recording means of the control section. If the service provider operates such a call recording device and provides the service, the user of the caller telephone can record the contents of the call on the call recording device without adding special equipment. .

  The call recording device further includes an interface connected to the telecommunication line, the interface is connected to the control unit, and the control unit responds to a request from the terminal device connected to the telecommunication line. Then, it is preferable that the audio signal stored in the data storage unit is output to the interface and transmitted to the terminal device. By adopting such a configuration, when the user of the calling telephone uses a terminal device to request the voice signal stored in the data storage unit from the call recording device, the control unit of the call recording device The voice signal stored in the data storage unit is output to the interface and transmitted to the terminal device. Therefore, the user can confirm the content of the call by acquiring and reproducing the audio signal stored in the data storage unit.

  Further, in the call recording apparatus, the control unit reads the voice signal stored in the data storage unit in response to the request from the calling source telephone, and makes the read voice signal audible by the calling source telephone. It is preferable to further include an audio signal reproducing means for processing and transmitting to the caller telephone. By adopting such a configuration, the call recording device can reproduce and listen to the voice signal stored in the data storage unit by the caller telephone. Thereby, the user of the caller telephone can check the content of the call.

  According to the call recording apparatus of the present invention, the user of the caller telephone can record the voice of the telephone call without adding special equipment.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of a call recording system using a call recording apparatus according to the present invention will be described in detail with reference to the drawings.

<Configuration of call recording system>
FIG. 1 is a system diagram showing a configuration of a call recording system 1. As shown in FIG. 1, in a service beneficiary system of a service beneficiary who receives a call recording service, a private branch exchange apparatus PBX 3 is connected to a public switched telephone network PSTN (public line network) 2, A plurality of digital extension telephones (calling telephones) 4 are connected to the exchange device 3. Further, a LAN 6 is arranged in the service beneficiary system, and a terminal device 7 is connected to the LAN 6.

  In a service provider system of a service provider that performs a call recording service, a call recording device 8 is connected to the public switched telephone network 2. This service provider system is provided with a LAN 9, and the call recording device 8 is also connected to the LAN 9.

  Here, the terminal device 7 and the call recording device 8 are communicably connected via LANs 6 and 9 and the Internet network (electric communication line) 11. Further, an external line telephone (call destination telephone) 12 as a call destination of the extension telephone 4 is connected to the public switched telephone network 2.

[Configuration of extension telephone (calling telephone)]
FIG. 2 is a configuration block diagram of the caller telephone 4 (hereinafter also referred to as telephone 4). As shown in FIG. 2, the handset 13 of the telephone 4 is provided with a speaker 14 for receiving and a microphone 16 for transmitting.

  A plurality of push buttons 18 for pushing a telephone number and a plurality of function buttons 19 such as a sharp button, an * mark button, and a speed dial button are attached to the telephone body 17 of the telephone 4. Further, the telephone body 17 of the telephone 4 includes a logarithmic expander 21, a logarithmic compressor 22, a codec unit 23, a line interface 24, and a control unit 26. The codec unit 23 includes a D / A converter 27 and an A / D converter 28. The control unit 26 is connected to the push button 18, the function button 19, the codec unit 23, and the line interface 24.

  When the push button 18 is pressed by a speaker in order to press the telephone number of the call destination telephone 12 (see FIG. 1), the push button 18 outputs a signal indicating that the call has been pressed to the control unit 26. . The control unit 26 outputs a tone signal corresponding to the pushed push button 18, and causes the line interface 24 to output the tone signal to the private branch exchange 3 through the code 29.

  In addition, the telephone number of the call recording device 8 is stored in the internal memory of the control unit 26. By pressing the speed dial button among the function buttons 19, the control unit 26 displays the line interface 24, the code A telephone call can be made to the call recording device 8 through 29.

  Further, when a function button 19 such as a sharp button or an * mark button is pressed by the speaker, the function button 19 outputs a signal indicating that the button has been pressed to the control unit 26. The control unit 26 outputs a tone signal corresponding to the pressed function button 19, and causes the line interface 24 to output the tone signal to the private branch exchange 3 through the code 29. A signal indicating that the function button 19 has been pressed is transmitted to the call recording device 8 and detected by the call recording device 8.

  While the line is connected between the telephone 4 and the call destination telephone 12, the telephone 4 processes the audio signal as follows. That is, the voice of the speaker of the telephone 4 is collected by the microphone 16 and output to the logarithmic compressor 22 as an analog voice signal. The logarithmic compressor 22 logarithmically compresses the analog audio signal output from the microphone 16 and outputs it to the A / D converter 28. The A / D converter 28 converts the analog audio signal output by the logarithmic compressor 22 into a digital audio signal under the control of the control unit 26, and outputs the digital audio signal to the line interface 24. The line interface 24 sends a digital voice signal to the private branch exchange 3 through the code 29 under the control of the control unit 26. This digital audio signal is transmitted to the call destination telephone 12 through the public switched telephone network 2 and the call recording device 8. In the call destination telephone 12, the transmitted digital voice signal is converted into analog, and is converted into voice so that it can be heard by the speaker through the speaker of the receiver 12a.

  In addition, the digital audio signal of the speaker of the call destination telephone 12 transmitted by the call destination telephone 12 is transmitted via the code 29 through the public switched telephone network 2, the call recording device 8, and the private branch exchange 3 through the line 29. Sent to interface 24. The line interface 24 outputs the received digital audio signal to the D / A converter 27 under the control of the control unit 26. The D / A converter 27 converts the digital audio signal output by the line interface 24 into an analog audio signal and outputs the analog audio signal to the logarithmic expander 21. The logarithmic expander 21 performs logarithmic expansion processing on the analog audio signal and outputs it to the speaker 14. The speaker 14 converts the analog audio signal output by the logarithmic expander 21 into audio. Thereby, the speaker of the caller telephone 4 can hear the voice uttered by the speaker of the callee telephone 12.

[Configuration of private branch exchange]
The private branch exchange apparatus PBX3 is a so-called digital PBX, and is a call for exchanging voice signals with a line circuit connected to a caller telephone 4 which is an extension telephone and a trunk circuit connected to the public switched telephone network 2. The switch has a control unit that exchanges and connects the line circuit, the trunk circuit, and the call switch. A functional block diagram of the private branch exchange apparatus 3 is omitted.

[Configuration of call recording device]
FIG. 3 shows a functional block diagram of the call recording device 8. The call recording device 8 is physically composed of a CPU, a memory such as a ROM and a RAM, a storage device such as a hard disk, a telephone transceiver, and a communication device such as a LAN interface. As shown in FIG. 3, the call recording device 8 functionally includes a control unit 31, a data storage unit 32, a telephone transceiver 33 connected to the public switched telephone network 2, and a LAN interface 34. Yes. Among these, the control unit 31 is connected to the data storage unit 32, the telephone transceiver 33, and the LAN interface 34. The telephone call unit 38, the telephone relay unit 39, the call recording unit 40, the telephone disconnection unit 41, A Web server application 43 and audio signal reproduction means 44 are provided. Note that the number of lines connected from the public switched telephone network 2 to the call recording device 8 is increased according to the number of calls that can be made simultaneously by the call recording device 8.

  The data storage unit 32 records a voice signal or the like communicated between the caller telephone 4 and the callee telephone 12. The telephone transmitter / receiver 33 is connected to the public switched telephone network 2 and connects a line to the caller telephone 4 or the callee telephone 12 or receives a signal from the caller telephone 4 or the callee telephone 12. Or The LAN interface 34 is an interface for communicating with the terminal device 7 installed in the service beneficiary system via the Internet network 11.

  The telephone call means 38 receives the telephone number of the call destination telephone 12 transmitted from the call source telephone 4, and then sends the call signal of the telephone number of the call destination telephone 12 via the telephone transceiver 33. Send.

  The telephone relay means 39 transmits and receives a call signal of the telephone number of the call destination telephone 12 by the telephone call means 38, and then transmits and receives telephone lines between the call origination telephone 4 and the call destination telephone 12. Relay to machine 33. Therefore, in this relay state, when the handset 12a of the call destination telephone 12 is picked up by a speaker and goes into an off-hook state, a call is made between the speaker of the call source telephone 4 and the speaker of the call destination telephone 12. It becomes possible. Further, the call recording means 40 is a voice that is communicated between the caller telephone 4 and the callee telephone 12 while the line is being relayed between the caller telephone 4 and the callee telephone 12. The signal is stored in the data storage unit 32, and the telephone number of the call destination telephone 12 from which the storage of the voice signal is started is also stored in the data storage unit 32 in association with the voice signal.

  When the line with the caller telephone 4 and the line with the callee telephone 12 are relayed by the telephone relay unit 39, the speaker of the caller telephone 4 hangs up the telephone with the handset 13 on hook. When a signal indicating on-hook is transmitted from the caller telephone 4 to the telephone transmitter / receiver 33 through the private branch exchange 3 and the public switched telephone network 2, and is output to the telephone disconnecting means 41 of the control unit 31. The telephone disconnecting means 41 causes the telephone transmitter / receiver 33 to disconnect the line between the caller telephone 4 and the telephone transmitter / receiver 33 and to disconnect the line between the callee telephone 12 and the telephone transmitter / receiver 33. Cut off.

  In addition, when the line with the caller telephone 4 and the line with the callee telephone 12 are relayed, one function is set in advance so that the speaker of the caller telephone 4 disconnects the telephone. A button 19, for example, a sharp button (hereinafter referred to as “disconnect button”) is pressed, and a signal indicating that the disconnect button has been pressed is transmitted from the caller telephone 4 to the private branch exchange 3 and the public switched telephone network 2. The telephone disconnecting means 41 is transmitted to the telephone transmitter / receiver 33 and output to the telephone disconnecting means 41 of the control unit 31. Disconnect the line.

  The Web server application (processing means) 43 makes it possible to browse the Web site for the terminal device 7 by access from the terminal device 7 through the Internet network 11, and the call destination telephone for the audio signal stored in the data storage unit 32. Make the number etc. viewable. Further, the Web server application 43 transmits a request for audio signal data from the terminal device 7 to the control unit 31 on the Web site. Then, the control unit 31 causes the LAN interface 34 to output the data of the audio signal designated from the terminal device 7 among the audio signals stored in the data storage unit 32 and transmit the data to the terminal device 7.

  The audio signal reproduction means 44 reproduces the audio signal stored in the data storage unit 32 in response to a request from the caller telephone 4 and transmits it to the caller telephone 4 via the telephone transceiver 33. That is, when the user presses the recording / playback button among the function buttons 19 of the calling source telephone 4, a signal indicating that the recording / playback button has been pressed is sent from the calling source telephone 4 to the private branch exchange 3 and The data is transmitted to the telephone transmitter / receiver 33 of the call recording device 8 via the public switched telephone network 2. Further, the signal is output from the telephone transceiver 33 to the audio signal reproduction means 44 of the control unit 31. Then, the audio signal reproduction means 44 reads out the audio signal (recorded data) stored in the data storage unit 32, processes it so that it can be heard by the speaker 14 of the caller telephone 4, and the processing is performed. The signal is output to the telephone transmitter / receiver 33 and transmitted to the caller telephone 4 via the public switched telephone network 2 and the private branch exchange 3. In the caller telephone 4, the audio signal output by the audio signal reproduction means 44 is received by the line interface 24 and output to the D / A converter 27. The D / A converter 27 converts the received signal into an analog signal and outputs it to the logarithmic expander 21. The logarithmic expander 21 performs logarithmic expansion processing on the received analog signal and outputs it to the speaker 14. The speaker 14 converts the signal output from the logarithmic expander 21 into sound. In this way, the user of the caller telephone 4 can listen to the voice signal (recorded data) stored in the data storage unit 32 of the call recording device 8.

[Configuration of terminal device]
FIG. 4 is a functional block diagram of the terminal device 7 installed in the service beneficiary system. The terminal device 7 is physically composed of communication devices such as a keyboard, mouse, CPU, ROM, RAM, hard disk, display, and modem. As shown in FIG. 4, the terminal device 7 functionally includes an operation unit 51, a control unit 52, a display unit 53, a LAN interface 54, and a speaker 58. The control unit 52 includes a web browser 56 and an audio signal. Reproducing means 57 is provided.

  The operation unit 51 includes a keyboard and a mouse, and is used when inputting characters and numbers. Based on the URL of the call recording device 8, the Web browser 56 accesses the Web server application 43 of the call recording device 8 through the LAN interface 54, the LAN 6, the Internet 11, and the LAN 9, and downloads a Web screen generation program (such as html). Then, the Web screen generation program is executed. The display means 53 displays a website by executing the web screen generation program. In this Web site, the telephone number of the call destination telephone 12 for the audio signal stored in the data storage unit 32 of the call recording device 8 is displayed, and a specific audio signal is displayed from the displayed audio signal list. It is possible to perform an operation of designating and requesting the specified audio signal to the call recording device 8. The audio signal reproducing means 57 has a function of reproducing the downloaded audio signal, and is configured so that sound is emitted from the speaker 58.

<Processing flow of call recording system>
Next, a processing flow of the call recording system 1 will be described with reference to FIGS.

  The speaker (user) of the caller telephone 4 presses a button on the function button 19 in which the speed dial of the telephone number of the call recording apparatus 8 is set, and the caller telephone 4 changes the call recording apparatus 8 to the call recording apparatus 8. Make a call (S101). Then, the control unit 26 of the caller telephone 4 causes the line interface 24 to output a tone signal corresponding to the telephone number of the call recording device 8. Then, a line is connected between the caller telephone 4 and the call recording device 8 via the cord 9, the private branch exchange 3 and the public switched telephone network 2 (S102).

  Subsequently, the speaker of the caller telephone 4 presses the push button 18 for the telephone number of the callee telephone 12 (S103). Then, the control unit 26 of the caller telephone 4 causes the line interface 24 to output a tone signal corresponding to the telephone number of the callee telephone 12. The tone signal is received by the telephone transceiver 33 of the call recording device 8 and output to the control unit 31 (S104). The control unit 31 outputs the tone signal to the telephone call means 38. Then, the telephone call means 38 calls the call destination telephone 12 by transmitting a call signal of the telephone number of the call destination telephone 12 (S105).

  Immediately thereafter, the telephone relay unit 39 causes the telephone transmitter / receiver 33 to relay the line with the caller telephone 4 and the line with the callee telephone 12 (S106). Therefore, the call source telephone 4 is put on hold until the call recording device 8 is called from the call source telephone 4 (S101) and the telephone call means 38 calls the call destination telephone 12 (S105). However, when the telephone relay unit 39 relays the line with the caller telephone 4 and the line with the callee telephone 12, the speaker 14 of the caller telephone 4 receives a ringing sound. Is issued.

  From this relay state, when the handset 12a of the call destination telephone 12 is picked up by a speaker and goes into an off-hook state, a call can be made between the speaker of the call source telephone 4 and the speaker of the call destination telephone 12. Become. In the call recording device 8, since the line with the caller telephone 4 and the line with the callee telephone 12 are relayed, the call recording means 40 converts the content of the call from the telephone transceiver 33 as a digital audio signal. The digital voice signal is received and stored in the data storage unit 32, and the telephone number of the call destination telephone 12 for the digital voice signal is also stored in association with it (S107).

  When the talk between the speakers ends and the speaker of the caller telephone 4 puts the handset 13 and enters the on-hook state (S108: YES), the line between the caller telephone 4 and the callee telephone 12 is Disconnected. At the same time, a signal indicating that the handset 13 of the caller telephone 4 has gone on-hook is transmitted from the caller telephone 4 to the telephone transmitter / receiver 33 through the private branch exchange 3 and the public switched telephone network 2, and the control unit It is output to 31 telephone disconnecting means 41. Then, the telephone disconnecting means 41 causes the telephone transmitter / receiver 33 to disconnect the line between the caller telephone 4 and the telephone transmitter / receiver 33 and to connect the line between the callee telephone 12 and the telephone transmitter / receiver 33. To disconnect. At that time, the call recording unit 40 ends the storage of the digital audio signal in the data storage unit 32.

  On the other hand, the caller telephone 4 is not on-hooked (S108: NO), but the disconnect button (one of the function buttons 19) set in advance to disconnect the telephone by the speaker of the caller telephone 4 is pressed. Then, a signal indicating that the disconnect button has been pressed is transmitted from the caller telephone 4 to the telephone transmitter / receiver 33 through the private branch exchange 3 and the public switched telephone network 2 to the telephone disconnecting means 41 of the control unit 31. When output, the telephone disconnecting means 41 causes the telephone transceiver 33 to disconnect the line between the call destination telephone 12 and the telephone transceiver 33 (S109). At the same time, the call recording unit 40 ends the storage of the digital audio signal in the data storage unit 32.

  In this state, when the speaker of the calling source telephone 4 calls another calling destination telephone (S110: YES → B), the operation and processing are started from S103. On the other hand, when the speaker of the caller telephone 4 does not call another callee telephone (S110: NO), the speaker of the caller telephone 4 on-hooks the handset 13 (S111). As a result, a signal indicating that the handset 13 of the caller telephone 4 has gone on-hook is transmitted from the caller telephone 4 to the telephone transmitter / receiver 33 through the private branch exchange 3 and the public switched telephone network 2. It is output to 31 telephone disconnecting means 41. Then, the telephone disconnecting means 41 causes the telephone transceiver 33 to disconnect the line between the caller telephone 4 and the telephone transceiver 33.

  As described above, according to the call recording system 1 using the call recording device 8, when the call recording device 8 calls the call destination phone 12 from the call source phone 4, the call recording device 8 receives the call from the call source phone 4. Once the telephone is received, the control unit 31 receives the telephone number of the call destination telephone 12. Then, the telephone call means 38 of the control unit 31 calls the telephone number of the call destination telephone 12 to call the call destination telephone 12, and the telephone relay means 39 is connected to the call source telephone 4. The line to the call destination telephone 12 is relayed. The contents of the call between the speaker of the caller telephone 4 and the speaker of the callee telephone 12 are stored in the data storage unit 32 of the call recording device 8 as a digital audio signal. Thus, the user can record the contents of a telephone call by using the call recording device 8 without installing a dedicated device for recording the call.

  Further, the speaker (user) of the caller telephone 4 uses the terminal device 7 installed in the service beneficiary system to call the voice signal data (recorded data) stored in the call recording device 8. The telephone number of the destination telephone 12 can be browsed and the voice signal can be downloaded to the terminal device 7. The contents of the call can be confirmed by playing the downloaded recording data on the terminal device 7.

  That is, the user of the service beneficiary system operates the operation unit 51 of the terminal device 7 to activate the Web browser 56, sets the URL of the call recording device 8, and sets the LAN interface 54, LAN 6, Internet network 11, LAN 9 Through the Web server application 43 of the call recording device 8. The Web server application 43 of the call recording device 8 can browse the telephone number of the call destination telephone 12 for the audio signal stored in the data storage unit 32 in response to a request from the terminal device 7. I will provide a.

  The terminal device 7 downloads the Web screen generation program (such as html) and executes the Web screen generation program. Then, the display means 53 of the terminal device 7 displays the telephone number of the call destination telephone 12 stored in the data storage unit 32 of the call recording device 8 by executing the Web screen generation program, as well as the designated voice. An operation to request a signal (recorded data) can be performed. Therefore, the user of the service beneficiary system designates a specific audio signal from the displayed list of audio signals by operating the operation unit 51 of the terminal device 7, and sends the designated audio signal to the call recording device 8. Can be requested and downloaded. Therefore, the user can reproduce the downloaded audio signal by the audio signal reproducing means 57 and the speaker 58 and confirm the content of the call.

  Such a call recording system 1 can provide a call recording service to a plurality of service beneficiary systems. In that case, in the call recording system 1, the control unit 31 of the call recording device 8 distinguishes the service beneficiary system from the signal transmitted by the caller telephone 4 and stores the voice signal in the data storage unit 32. In addition, the call recording device 8 may also permit browsing of data and downloading of audio signals by distinguishing the service beneficiary system for access from the terminal device 7.

  The user of the caller telephone 4 can also play back the audio signal stored in the data storage unit 32 and check the content of the call by the caller telephone 4. That is, the user presses the recording / playback button among the function buttons 19 of the caller telephone 4 when confirming the content of the call. Then, a signal indicating that the recording / playback button has been pressed is transmitted from the caller telephone 4 to the telephone transceiver 33 of the call recording apparatus 8 via the private branch exchange 3 and the public switched telephone network 2. . Further, the signal is output from the telephone transceiver 33 to the audio signal reproduction means 44 of the control unit 31. Then, the audio signal reproduction means 44 reads out the audio signal (recorded data) stored in the data storage unit 32, processes it so that it can be heard by the speaker 14 of the caller telephone 4, and the processing is performed. The signal is output to the telephone transmitter / receiver 33 and transmitted to the caller telephone 4 via the public switched telephone network 2 and the private branch exchange 3. In the caller telephone 4, the audio signal output by the audio signal reproduction means 44 is received by the line interface 24 and output to the D / A converter 27. The D / A converter 27 converts the received signal into an analog signal and outputs it to the logarithmic expander 21. The logarithmic expander 21 performs logarithmic expansion processing on the received analog signal and outputs it to the speaker 14. The speaker 14 converts the signal output from the logarithmic expander 21 into sound. In this way, the user of the caller telephone 4 can listen to the voice signal (recorded data) stored in the data storage unit 32 of the call recording device 8.

  The unit of the service beneficiary system may be for each company that provides the service, or for the same company, for each branch, or for each department.

  In such a call recording system 1, it is also assumed that a telephone call can be made from the telephone 12 that is an external telephone to the telephone 4 that is an internal telephone. Therefore, a dial-in number is set for each service beneficiary system, and when a telephone call can be made from the telephone set 12 to the telephone set 4, a line is once connected between the telephone set 12 and the call recording device 8, and the dial-in number is set. Depending on the number, the telephone calling means 38 calls the telephone 4 of the service beneficiary system, and the telephone relay means 39 connects the line between the telephone 12 and the telephone transceiver 33, the telephone 4 and the telephone transceiver 33, Is relayed to the telephone transceiver 33. Further, the call recording unit 40 receives a digital audio signal communicated between the telephone set 12 and the telephone set 4 from the telephone transceiver 33 and stores it in the data storage unit 32. The user of the data service beneficiary system confirms the content of the call between the speaker of the telephone set 12 and the speaker of the telephone set 4 by downloading and playing back the voice signal stored in the data storage unit 32 to the terminal device 7. be able to.

  The present invention is not limited to the above embodiment.

  For example, the caller telephone 4 is a digital telephone in the above embodiment, but is not limited thereto, and may be an analog telephone or an IP telephone. The call destination telephone 12 is not limited to a digital telephone, and may be an analog telephone or an IP telephone. In this case, the public switched telephone network 2 and the IP telephone network are included as the public line network. That is, the call recording device 8 is connected to the public switched telephone network 2 via the telephone line as the line 10 and is connected to the IP telephone network via the IP telephone line. When the caller telephone 4 is an IP telephone, the call recording device 8 communicates with the IP telephone via the IP telephone network. Further, even when the call destination telephone 12 is an IP telephone, the call recording device 8 communicates with the IP telephone via the IP telephone network.

  Further, the call from the caller telephone 4 to the call recording device 8 may not be a speed dial but may be a method of pressing a push button. In the above embodiment, the caller telephone 4 is an extension telephone connected to the private branch exchange device 3, but it may not be an extension telephone, and is a single telephone that is not connected to the private branch exchange apparatus 3. Also good. In the above embodiment, the terminal device 7 and the call recording device 8 are connected by the Internet network 11, but may be connected by a dedicated line.

1 is a system diagram showing an embodiment of a call recording system using a call recording apparatus according to the present invention. It is a functional block diagram of a caller telephone. It is a functional block diagram of a call recording device. It is a functional block diagram of a terminal device. It is a processing flow of a call recording system. It is a processing flow of a call recording system.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Call recording system, 2 ... Public exchange telephone network (public line network), 4 ... Call origination telephone, 8 ... Call recording apparatus, 11 ... Internet network (electric communication line), 12 ... Call destination telephone, 31 ... Control unit 32 ... Data storage unit 33 ... Telephone transceiver 34 ... LAN interface 38 ... Telephone call means 39 ... Telephone relay means 40 ... Call recording means 43 ... Web server application (processing means).

Claims (3)

A telephone transceiver connected to a public line network, connected to a telephone line from a caller telephone, and connected to a telephone line to a callee telephone; and the caller telephone and the callee telephone A data storage unit for storing a voice signal communicated between and a control unit connected to the telephone transceiver and the data storage unit,
The controller is
Telephone call means for receiving the telephone number of the call destination telephone transmitted from the calling telephone and calling the telephone number;
Telephone relay means for relaying the line connected to the call source telephone and the line connected to the call destination telephone after the telephone number of the call destination telephone is called by the telephone call means When,
A call recording apparatus, comprising: a call recording unit that stores an audio signal communicated between the caller telephone and the callee telephone in the data storage unit. An interface connected to the telecommunication line;
The interface is connected to the control unit;
In response to a request from a terminal device connected to the telecommunication line, the control unit causes the audio signal stored in the data storage unit to be output to the interface and transmitted to the terminal device. The call recording apparatus according to claim 1.   In response to a request from the caller telephone, the control unit reads the voice signal stored in the data storage unit, and processes the read voice signal to be audible by the caller telephone The call recording apparatus according to claim 1, further comprising a voice signal reproducing means for transmitting to the caller telephone.

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