JP2006332891A - Center unit for managing communication terminal, its control program, and medium recording it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a center unit which can perform telephone conversation easily with the operator of a center unit, based on user operation upon occurrence of a trouble in the communication terminal, and to provide its control program. <P>SOLUTION: A hard disc drive 108 of a center unit 40 stores a client information management table 108b including client information of each digital composite device 20. The main control section 101 of the center unit 40 receives a center call signal including the apparatus information of the digital composite device 20 transmitted from the digital composite device 20 through the Internet 90, based on depression operation of the center call key 5a of the digital composite device 20, searches the client information on the client information management table 108b, based on the apparatus information included in the center call signal thus received and displays it at a display section 104, and then establishes a telephone conversation session between the digital composite device 20 and the center unit 40 through the Internet 90. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a center apparatus and a control program for managing a communication terminal apparatus such as a digital composite apparatus or a facsimile apparatus.

  Conventionally, a remote maintenance system that monitors the operating status of various electronic devices and devices installed in homes, offices, factories, etc. from a remote location and performs maintenance of the target device in the event of an abnormality, etc. has been practical It has become. Specifically, in such a remote maintenance system, remote diagnosis is performed through a telephone line, and data reading processing stored in the terminal device and data writing processing to the terminal device are remotely controlled from the service center. Things have been done.

  For example, Patent Document 1 discloses the following image processing apparatus that can perform notification according to a user's proficiency level when an abnormality occurs and improve service efficiency and user work efficiency. When a trouble occurs, the notification level corresponding to the trouble that has occurred is read, and if the notification level is level 1, the program is terminated without performing any processing, whereas if the notification level is level 2, The trouble occurrence notification corresponding to Level 2 is read out, the error code assigned to the trouble that has occurred and the e-mail address of the maintenance service center are read out, and a trouble occurrence report mail is created and transmitted to the maintenance service center. On the other hand, if the notification level is 3 or 4, read out a fixed sentence of a telephone response request or a business trip repair request. Create a trouble occurrence e-mail, to send the same to the maintenance service center. "It has been disclosed.

JP, 2004-20111, A.

  However, in the image processing apparatus disclosed in Patent Document 1 described above, it is disclosed that when a trouble occurs, a notification to that effect is sent to the maintenance service center. When doing so, it was necessary to call the maintenance service center via the public telephone network.

  The object of the present invention is to solve the above-described problems. In a remote maintenance system, when a trouble occurs in a communication terminal device, an operator of the center device can easily perform the operation based on a predetermined operation of the user of the communication terminal device. It is an object of the present invention to provide a center device capable of talking with a user of a communication terminal device, a control program for the center device, and a recording medium on which the program is recorded.

A center device for managing a communication terminal device according to a first invention is connected to the communication terminal device via an IP network, and is a center device for managing the communication terminal device.
Storage means for storing customer management information for each communication terminal device, or storing a table including information of the communication terminal device for each customer management information;
Based on a predetermined operation of the communication terminal device, the communication terminal device receives a center call signal including device information transmitted from the communication terminal device via the IP network, and the received center call signal Control means for searching for and notifying the customer management information based on the device information included in the network, and establishing a call session between the communication terminal device and the center device via the IP network; It is provided with.

  In the center device for managing the communication terminal device, the control means establishes a call session that enables a call between the communication terminal device and the center device via the IP network. The voice file of the call content and call time information are generated and stored in the table.

The control program for the center device for managing the communication terminal device according to the second invention is connected to the communication terminal device via the IP network, and is a control program for the center device for managing the communication terminal device.
A storage step of storing a table including customer management information for each communication terminal device, or a table including information of the communication terminal device for each customer management information;
Based on a predetermined operation of the communication terminal device, the communication terminal device receives a center call signal including device information transmitted from the communication terminal device via the IP network, and the received center call signal A control step of searching for and informing the customer management information based on the device information included in the communication information and establishing a call session capable of calling between the communication terminal device and the center device via the IP network; It is characterized by including.

  In the control program of the center device for managing the communication terminal device, the control step is configured to establish a call session that enables a call between the communication terminal device and the center device via the IP network. Generating a voice file of the contents of the call in the call session and call time information, and storing the information in the table.

  A computer-readable recording medium according to a third invention is characterized in that the control program is recorded.

  Therefore, according to the center device for managing the communication terminal device according to the present invention, its control program, and the recording medium storing it, the communication terminal device to the IP network based on a predetermined operation of the communication terminal device. A center call signal including device information is received by the communication terminal device transmitted via the communication terminal device, and the customer management information is searched and notified based on the device information included in the received center call signal. At the same time, a call session is established in which a call can be made between the communication terminal device and the center device via the IP network. Thereby, in the remote maintenance system, the operator of the center device was notified easily and inexpensively based on a predetermined operation of the user of the communication terminal device when a trouble occurred in the communication terminal device. It is possible to talk with the user of the communication terminal device while referring to the customer management information.

  Further, when a call session is established between the communication terminal device and the center device via the IP network, a voice file and call time information of the call contents in the call session are generated and the table To remember. Thus, the operator of the center apparatus can be useful in the case of a failure such as a trouble afterwards while referring to the voice file and the call time information of the call contents in the call session stored in the table. That is, an integrated control program for the center device that manages the communication terminal device can be provided.

  Hereinafter, embodiments according to the present invention will be described with reference to the drawings. In the following embodiments, the same reference numerals are assigned to the same components.

  FIG. 1 shows a local area network system (hereinafter referred to as a local area network) including a digital composite apparatus 20 which is a facsimile apparatus having a copy, printer, and scanner function according to an embodiment of the present invention. 1 is a block diagram showing a configuration of a remote maintenance system in which a digital composite apparatus 20 is connected to a center apparatus 40 via the Internet 90 which is an IP (Internet Protocol) network.

  The LAN system according to this embodiment is connected to a public telephone network 80 via a plurality of N client personal computers 30-1 to 30-N (hereinafter collectively referred to as reference numeral 30) and a public telephone line L. The digital composite apparatus 20 and the router apparatus 60 connected to the Internet 90 are connected via a LAN 70. By connecting each client personal computer 30 to the Internet 90 via a router device 60 and a mail server device (not shown), it is possible to browse home pages and send and receive e-mails. Reference numeral 30 denotes a configuration in which the copy, printer, scanner, and facsimile functions of the apparatus 20 can be used in common by accessing the digital composite apparatus 20.

The digital composite apparatus 20 which is a communication terminal apparatus according to this embodiment performs, for example, facsimile communication with another digital composite apparatus 20A via the public telephone network 80, and digital communication via the LAN 70, the router apparatus 60 and the Internet 90. It is connected to a center device 40 that remotely controls the composite device 20. Here, the main control unit 1 of the digital multifunction device 20 is provided with a center call key 5a (see FIG. 4) provided on the operation surface of the operation unit 5 for calling an operator of the center device 40 provided in the maintenance service center. ) Is pressed (YES in step S1 in FIG. 5), the device information (for example, model number, serial number, customer management number) of the digital composite apparatus 20 is included. These information are stored in the device information table 7a in the RAM 7. Is transmitted to the center device 40 via the Internet 90 (step S2), and a call can be made between the center device 40 and the digital composite device 20 via the Internet 90. Establish a call session (step S3),
(A) Provided in the operation unit 5 using a microphone 14A and a speaker 14B for talking with an operator of the center device 40, or (b) provided in the operation unit 5 for talking with an operator of the center device 40. Using an earphone with a microphone for the connection terminal 14C for connecting an earphone with a microphone (not shown; or a microphone and a speaker, etc.)
It is characterized in that it is possible to talk with an operator of the center apparatus 40 about troubles such as a failure of the digital composite apparatus 20 and an operation method (step S4).

  The client personal computer 30 in FIG. 1 is an external terminal device that is a known personal computer, and executes processing such as generation, recording, and storage of image data and character data. In this embodiment, as an example, the client personal computer 30 is an external terminal device that receives image data scanned by a scanner, or image data of a document image generated by the client personal computer 30 (for example, software of a word processor). It is used as an information processing apparatus that transmits the created document image data to the receiving communication terminal apparatus such as a facsimile apparatus or a digital composite apparatus via the digital composite apparatus 20.

  FIG. 2 is a block diagram showing the configuration of the digital composite apparatus 20 of FIG.

  In FIG. 2, the digital composite apparatus 20 has functions of a copy, a printer, and a scanner in addition to a conventional facsimile communication function such as the G3 system. The main control unit 1 is specifically composed of a CPU, and is connected to the following hardware units via the bus 13 to control them, and executes various software functions to be described later. The image reading unit 2 reads a document with a scanner using a CCD or the like, and outputs dot image data converted into monochrome binary. The image recording unit 3 is, for example, a printer apparatus such as an electrophotographic system, and prints out image data scanned and converted by the image reading unit 2 or image data received from another facsimile apparatus by facsimile communication as a hard copy. Record or record character data.

  The display unit 4 is a display device such as a liquid crystal display device (LCD) or a CRT display, and displays the operation state of the digital composite device 20 and displays image data of a document to be transmitted and received image data. Do. The operation unit 5 includes character keys, dial keypads, speed dial keys, one-touch dial keys, various function keys, and the like necessary for operating the digital composite apparatus 20. Here, the operation unit 5 includes an LCD unit 5b which is the display unit 4 on the left side of the operation surface of the operation unit 5 in FIG. 4, and a center device 40 provided in the maintenance service center on the right side of the operation surface. The center call key 5a (see FIG. 4) for calling the operator is provided. In addition, a microphone 14A and a speaker 14B are provided above the center call key 5a, and an earphone with a microphone (not shown; or microphone and speaker) on the left side of the center call key 5a for talking with an operator of the center device 40. Etc.) is provided. That is, instead of the microphone 14A and the speaker 14B, a connection plug such as an earphone with a microphone may be inserted and connected to the connection terminal 14C. In addition, you may comprise so that a part or all of the various keys of this operation part 5 may be substituted by making the above-mentioned display part 4 into a touch panel system.

  The ROM 6 stores in advance various software programs that are necessary for the operation of the digital composite apparatus 20 and executed by the main control unit 1. In this embodiment, the ROM 6 includes at least the center call processing program of FIG. 5. . The RAM 7 is composed of SRAM, DRAM, SDRAM or the like, and is used as a working area for the main control unit 1 to store temporary data generated when the program is executed. Here, the RAM 7 stores device information such as a model number, a serial number, a customer management number, a global IP address of the center device 40, or a telephone number for establishing a call session using the SIP procedure. In addition to including the information table 7a, the password input by the user is temporarily stored. When a flash memory is used as the RAM 7, the contents of the data are not lost even when the power is cut off due to a power failure, movement of the device, or the like.

  The image memory 8 is composed of a DRAM or the like, and stores image data to be transmitted, received image data, or image data that has been scanned and converted. Here, the image memory 8 includes a memory box area 8a divided into a plurality of memory boxes corresponding to a plurality of client personal computers 30 or their users. Each client personal computer 30 transfers image data transmitted / received by a facsimile function, image data scanned and converted by a scanner function or a copy function, and image data when using a printer function to a corresponding memory box. When the data is temporarily stored and read from the memory box, the data is read from the corresponding memory box and transferred by transmitting a transfer instruction request signal. Further, the hard disk drive 9 is a storage device having a built-in recording medium, and stores various data and programs.

  The fax modem 10 is a modem connected to the public telephone line L and having a function of a fax modem for normal facsimile communication. An NCU (Network Control Unit) 11 is a hardware circuit that performs an operation of closing and opening a DC loop of an analog public telephone line L and having an automatic dial function. Is connected to the public telephone line L. Here, the NCU 11 detects the ID receiving terminal activation signal and the normal telephone call signal in the outgoing telephone number notification service, and transmits the primary response signal and the secondary response signal in the outgoing telephone number notification service as necessary. can do. The NCU 11 may be connected to a baseband transmission type digital line (for example, an ISDN line) via a predetermined terminal adapter and DSU (Subscriber Line Termination Unit: Digital Service Unit).

  Further, the LAN interface 12 is connected to the LAN 70 and receives signals and data from the LAN 70, and transmits signals and data to the LAN 70 to execute interface processing related to LAN communication such as signal conversion and protocol conversion. . In this embodiment, the LAN interface 12 is connected to the center device 40 via the LAN 70, the router device 60, and the Internet 90, and the digital composite device 20 receives a data read instruction signal or data write instruction for remote control from the center device 40. A signal is received via the Internet 90.

  A microphone 14A, a speaker 14B, and a connection terminal 14C are connected to the audio signal processing unit 14, and when a call session with the above-described center device 40 is established, the microphone 14A or the microphone connected to the connection terminal 14C is used. The input analog audio signal is A / D converted into a digital audio signal and transmitted to the center device 40 via the LAN interface 12 and the Internet 90, and transmitted from the center device 40 via the Internet 90 and the LAN interface 12. After the D / A conversion of the incoming digital audio signal into an analog audio signal, the digital audio signal is output to the speaker or earphone connected to the speaker 14B or the connection terminal 14C. As a result, the user of the digital composite apparatus 20 can make a call with the operator of the center apparatus 40. In the embodiment of FIG. 2, the audio signal processing unit 14 is configured by hardware, but may be configured by software that is a program that can be executed by the main control unit 1.

  In the facsimile communication function of the digital composite apparatus 20 configured as described above, the dot image data transferred from each client personal computer 30-1 to 30-N or the dot image data read by the image reading unit 2 is facsimile. After being encoded by software in accordance with an encoding method such as MH, MR, or MMR defined in the communication standard, it is transmitted to the other party's facsimile machine, for example, the digital composite apparatus 20A. The encoded data received from the digital composite apparatus 20A, which is a facsimile apparatus, is also decoded into image data by software, stored in the image memory 8, and printed by the image recording unit 3 as necessary.

  FIG. 3 is a block diagram showing the configuration of the center device 40 of FIG. Here, the center device 40 is constituted by a personal computer, for example.

  In FIG. 3, the main control unit 101 is specifically composed of a CPU and is connected to the following hardware units via the bus 113 to control them and execute various software functions to be described later. To do. In the center device 40, an image reading unit and an image recording unit (not shown) are optionally provided. The display unit 104 is a display device such as a liquid crystal display (LCD) or a CRT display, and displays the operation state of the center device 40 and displays image data of a document to be transmitted and received image data. . The operation unit 105 is a keyboard, for example, for inputting character data and instruction commands.

  The ROM 106 stores various software programs that are necessary for the operation of the center device 40 and executed by the main control unit 101 in advance. The RAM 107 is composed of SRAM, DRAM, SDRAM, etc., and is used as a working area for the main control unit 101 to store temporary data generated when the program is executed. Further, the hard disk drive 108 is a storage device containing a recording medium. For example, a program memory area 108a for storing a software program for remote control of the digital composite apparatus 20 executed by the main control unit 101; A customer information management table 108b. Here, the program memory area 108a includes the center call processing program of FIG. 6 according to the embodiment and the center call processing program of FIG. 7 according to the modification. In addition, the customer information management table 108b includes, for each customer of the digital multifunction peripheral 20, a customer name, a model number and serial number of the digital multifunction peripheral 20, a global IP address or a telephone number for calling by a SIP procedure, and the 20 fault Stores customer management information such as a history and a call time when talking to the user of the digital multifunction device 20 in the event of a failure and a voice file (according to a modified example to be described later) at that time. Instead of this, item information different from the information of the digital composite apparatus 20 and the customer management information serving as the index may be stored for each customer management information serving as the index.

  The LAN interface 112 is connected to the router device 60 of FIG. Furthermore, the microphone 114A, the speaker 114B, and a connection terminal 114C similar to the connection terminal 14C of the digital composite apparatus 20 are connected to the audio signal processing unit 114, and a call session with the digital composite apparatus 20 is established. The analog audio signal input from the microphone 114A or the microphone connected to the connection terminal 114C is A / D converted into a digital audio signal and transmitted to the digital composite apparatus 20 via the LAN interface 112 and the Internet 90. A digital audio signal transmitted from the digital composite apparatus 20 via the Internet 90 and the LAN interface 112 is D / A converted into an analog audio signal, and then the speaker or audio connected to the speaker 114B or the connection terminal 114C. And outputs it to the phone. Thereby, the operator of the center apparatus 40 can talk with the user of the digital composite apparatus 20. In the embodiment of FIG. 3, the audio signal processing unit 114 is configured by hardware, but may be configured by software that is a program that can be executed by the main control unit 101.

  Furthermore, the optical disk drive 115 is a computer-readable recording medium such as a CD-ROM, CD-R, CD-RW, DVD-ROM, and the like, and the above-mentioned center called processing program is stored in advance. The optical disc 115a is loaded, and the program data of the center call processing from the optical disc 115a is loaded from the optical disc drive 115 to the program memory area 108a of the hard disk drive 108 via the bus 113, and the processing of the program is executed by the main control unit 101. May be.

  FIG. 5 is a flowchart showing a center call process executed by the main control unit 1 of the digital multifunction apparatus 20 of FIG.

  In step S1 of FIG. 5, it is first determined whether or not the call key 5a has been pressed, and the processing of step S1 is repeated until YES, and if YES, the digital composite device 20 of step S2 is determined. A center call signal including device information is transmitted to the center device 40 via the Internet 90. Next, in step S3, based on the call control call signal from the center apparatus 40, a call session is established with the center apparatus 40 by call control such as an SIP procedure. As a result, in step S4, the user of the digital composite apparatus 20 can make a call with the operator of the center apparatus 40 via the Internet 90 using the VoIP technology. The call session is released and the center call process is terminated.

  FIG. 6 is a flowchart illustrating the center called process according to the embodiment, which is executed by the main control unit 101 of the center apparatus 40 of FIG.

  In step S11 of FIG. 6, it is first determined whether or not a center calling device information signal has been received. The processing in step S11 is repeated until YES is obtained. If YES, the center calling received in step S12 is determined. Notification is made by referring to the customer information management table 108b based on the device information included in the signal and searching for customer management information corresponding to the device information and displaying it on the display unit 104. In step S13, a call control call signal is transmitted based on the retrieved customer management information, thereby establishing a call session with the corresponding digital composite apparatus 20 by call control such as an SIP procedure. As a result, in step S14, the operator of the center device 40 confirms the corresponding customer management information displayed on the display unit 104 and uses the VoIP technology to communicate with the user of the digital multifunction device 20 via the Internet 90. You can make a call. When the call is finished, the call session is released in step S15 and the center called process is finished.

  As described above, according to the digital composite apparatus 20 according to the present embodiment, the main control unit 1 calls the operator of the center device 40 provided in the maintenance service center provided on the operation surface of the operation unit 5. When the center call key 5a (see FIG. 4) is pressed (YES in step S1 in FIG. 5), the device information (for example, model number, serial number, customer management number, etc.) of the digital composite apparatus 20 is included. Is sent to the center device 40 via the Internet 90 (step S2) and the center device 40 via the Internet 90 is transmitted to the center device 40. A call session capable of making a call with the digital composite apparatus 20 is established (step S3), and the digital composite apparatus is established. To call the operator of the center apparatus 40 for the trouble and operation, such as 0 for failure can (step S4). Therefore, in a remote maintenance system, when a trouble occurs in a communication terminal device, it is possible to simply and inexpensively talk with an operator of the center device like an interphone based on a predetermined operation of the user of the communication terminal device. Can do.

<Modification>
FIG. 7 is a flowchart showing a center called process according to a modification executed by the main control unit 101 of the center apparatus 40 of FIG. 3 instead of the center called process of FIG.

  In step S21 of FIG. 7, it is first determined whether or not a center calling signal has been received from the digital multifunction device 20, and the process of step S21 is repeated until YES is obtained. When YES is obtained, the signal is received at step S22. The customer information management table 108b is searched based on the device information included in the center call signal, and the corresponding customer management information is displayed on the display unit 104 for notification. Next, in step S23, a call session is established with the corresponding digital composite apparatus 20 by, for example, the SIP procedure by transmitting a call control call signal based on the retrieved corresponding customer management information. Thereby, in step S24, the operator of the center apparatus 40 makes a call with the user of the digital multifunction apparatus 20 via the Internet 90 using the VoIP technology while confirming the customer management information displayed on the display unit 104. Can do. Further, the analog voice signal of the call content is A / D converted into a digital voice signal using the voice signal processing unit 14 and temporarily stored in the RAM 7 as a voice file. When the call is finished, the call session is released in step S25, and in step S26, the call time and voice file of the call are stored in the customer management table 108b, and the center called process is finished.

  In the above modification, the hard disk drive 108 of the center device 40 stores a customer information management table 108b including customer management information for each digital composite device 20, as shown in FIG. The main control unit 101 receives a center call signal including device information of the digital composite apparatus 20 transmitted from the digital composite apparatus 20 via the Internet 90 based on the pressing operation of the center call key 5a of the digital composite apparatus 20. (YES in step S21 in FIG. 7), the customer management information in the customer information management table 108b is retrieved based on the device information included in the received center call signal and displayed on the display unit 104. (Step S22) and digital via the Internet 90 Establishing a call session that can call with coupling devices 20 and the center device 40 can be (step S23-S24). Therefore, in the remote maintenance system, the operator of the center device 40 is notified very easily and inexpensively based on the simple operation of the user of the digital multifunction device 20 when a trouble occurs in the digital multifunction device 20. It is possible to talk with the user of the digital composite apparatus 20 while referring to the customer management information.

  In addition, when the main control unit 101 according to the modification establishes a call session capable of calling between the digital composite device 20 and the center device 40 via the Internet 90, Call time information is generated and stored in the customer information management table 108b. Therefore, the operator of the center apparatus 40 can be useful in the case of a trouble such as a subsequent trouble while referring to the voice file and the call time information of the call contents in the call session stored in the customer information management table 108b. . That is, an integrated control program for the center apparatus 40 that manages the digital composite apparatus 20 can be provided.

  In the above embodiment, an example of the digital composite apparatus 20 has been described. However, the present invention is not limited to this, and can be widely applied to a facsimile apparatus or a facsimile server apparatus having a facsimile function.

  As described in detail above, according to the center device for managing the communication terminal device according to the present invention, its control program, and the recording medium recorded therewith, the communication terminal is based on a predetermined operation of the communication terminal device. A center call signal including device information is received by the communication terminal device transmitted from the device via the IP network, and the customer management information is received based on the device information included in the received center call signal. In addition to searching and informing, a call session is established between the communication terminal device and the center device via the IP network. Thereby, in the remote maintenance system, the operator of the center device was notified easily and inexpensively based on a predetermined operation of the user of the communication terminal device when a trouble occurred in the communication terminal device. It is possible to talk with the user of the communication terminal device while referring to the customer management information.

  Further, when a call session is established between the communication terminal device and the center device via the IP network, a voice file and call time information of the call contents in the call session are generated and the table To remember. Thus, the operator of the center apparatus can be useful in the case of a failure such as a trouble afterwards while referring to the voice file and the call time information of the call contents in the call session stored in the table. That is, an integrated control program for the center device that manages the communication terminal device can be provided.

The LAN system including the digital composite apparatus 20 which is a facsimile apparatus having a copy, printer, and scanner function, and the digital composite apparatus 20 are connected to the center apparatus 40 via the Internet 90 according to the embodiment of the present invention. It is a block diagram which shows the structure of a remote maintenance system. It is a block diagram which shows the structure of the digital composite apparatus 20 of FIG. It is a block diagram which shows the structure of the center apparatus 40 of FIG. It is a front view which shows the operation surface of the operation part 5 of the digital composite apparatus 20 of FIG. It is a flowchart which shows the center call process performed by the main control part 1 of the digital multifunction peripheral 20 of FIG. It is a flowchart which shows the center call process based on embodiment performed by the main control part 101 of the center apparatus 40 of FIG. It is a flowchart which shows the center call process based on the modification performed by the main control part 101 of the center apparatus 40 of FIG.

Explanation of symbols

1 ... main control part,
2. Image reading unit,
3 ... image recording unit,
4 ... display part,
5 ... operation part,
5a: Center call key,
5b ... LCD part,
6 ... ROM,
7 ... RAM,
7a ... device information table,
8 ... Image memory,
8a ... Memory box area,
9 ... Hard disk drive,
10. Fax modem,
11 ... NCU,
12 ... LAN interface,
13 ... Bus
14 ... Audio signal processing unit,
14A ... Microphone,
14B ... Speaker,
14C: connection terminal,
20, 20A ... Digital composite device,
30, 30-1 thru | or 30-N ... client personal computer,
40. Center device,
60 ... Router device,
70: Local area network (LAN),
80 ... public telephone network,
90 ... Internet,
101 ... main control unit,
104 ... display section,
105 ... operation unit,
106 ... ROM,
107 ... RAM,
108: Hard disk drive,
108a ... Program memory area,
108b ... Customer information management table,
112 ... LAN interface,
113 ... Bus,
114 ... an audio signal processing unit,
114A ... Microphone,
114B ... Speaker,
114C: Connection terminal,
115 ... Optical disc drive,
115a: Optical disc.

Claims (5)

In the center device connected to the communication terminal device via the IP network and managing the communication terminal device,
Storage means for storing customer management information for each communication terminal device, or storing a table including information of the communication terminal device for each customer management information;
Based on a predetermined operation of the communication terminal device, the communication terminal device receives a center call signal including device information transmitted from the communication terminal device via the IP network, and the received center call signal Control means for searching for and notifying the customer management information based on the device information included in the network, and establishing a call session between the communication terminal device and the center device via the IP network; A center device comprising:   The control means generates a voice file and call duration information of a call content in the call session when a call session is established between the communication terminal device and the center device via the IP network. The center device according to claim 1, wherein the center device is stored in the table. In a control program for a center device connected to a communication terminal device via an IP network and managing the communication terminal device,
A storage step of storing a table including customer management information for each communication terminal device, or a table including information of the communication terminal device for each customer management information;
Based on a predetermined operation of the communication terminal device, the communication terminal device receives a center call signal including device information transmitted from the communication terminal device via the IP network, and the received center call signal A control step of searching for and informing the customer management information based on the device information included in the communication information and establishing a call session capable of calling between the communication terminal device and the center device via the IP network; A control program comprising:   The control step generates a voice file and call time information of a call content in the call session when a call session is established between the communication terminal apparatus and the center apparatus via the IP network. 4. The control program according to claim 3, further comprising: storing in the table. A computer-readable recording medium on which the control program according to claim 3 or 4 is recorded.

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