JP5578628B2 - CONFERENCE CONVENTION DEVICE, EXCHANGE PANEL INCLUDING THE SAME, CONFERENCE CONVENTION METHOD AND CONFERENCE CONVENTION PROGRAM - Google Patents

Description

  The present invention relates to a conference invitation device for performing a conference between a plurality of terminals, an exchange including the conference device, a conference invitation method, and a conference invitation program.

  In a network constructed by a plurality of terminals, it is common to perform voice communication in a one-to-many relationship between a plurality of terminals instead of performing a voice communication in a one-to-one relationship between two terminals. . Hereinafter, performing voice communication in a one-to-many relationship between a plurality of terminals is simply referred to as “conference”.

  When starting such a meeting, any of the terminals scheduled to participate, the exchange that accommodates each terminal, or a device dedicated to calling calls to each terminal scheduled to participate. It is common.

  An example of a technique for calling such a meeting is described in Patent Document 1. In the system described in Patent Document 1, a private branch exchange calls out each terminal. And a meeting can be implement | achieved when each terminal responds to this convocation.

  However, not all participants will accept this call. In the system described in Japanese Patent Laid-Open No. 2004-228620, when the attendee does not respond as described above, the call is stopped.

  On the other hand, in the technique described in Patent Document 2, when the contestant does not respond as described above, the call is not stopped, but is handled by repeating the call at regular time intervals.

Japanese Unexamined Patent Publication No. 03-053749 Japanese Patent Laid-Open No. 01-228255

  As described above, a conference can be realized by using the techniques described in Patent Document 1, Patent Document 2, and the like.

  However, with these technologies, there is a problem that the contents of the conference call could not be heard when the attendee cannot respond due to absence or the like and cannot participate in the conference.

  In other words, with these technologies, if the attendee does not respond, the call is only stopped or repeated at regular intervals. There was no consideration.

  Therefore, the present invention provides a conference invitation device, an exchange including the conference, a conference invitation method, and a conference invitation program capable of listening to voices exchanged in a conference even if they are not invited to the conference. The purpose is to provide.

According to the first aspect of the present invention, a conferencing apparatus is configured to refer to a list of invitees participating in a call between a plurality of terminals and to call a terminal used by the invitees. Means and a conference trunk for realizing a call between the plurality of terminals, a terminal corresponding to the call is connected, and each of the plurality of terminals connected to the conference trunk transmits audio, video, or the Means for starting both recordings, and after the call between the plurality of terminals is finished, a terminal that is not connected to the connection trunk even though the terminal is used by the invitee, Means for enabling playback of video or both, and a terminal connected to the conference trunk in response to the call disconnects from the conference trunk before the call between the terminals is terminated If Speech given terminal has the record, and means making it possible to reproduce the video, or both, and the voice, and stored in the area provided a video or both for each terminal in the storage device In addition, the terminal that is capable of playing back the recorded audio, video, or both, accesses the area corresponding to the terminal in the storage device, so that the audio, at any time after recording, invitation apparatus is provided, wherein Rukoto can play video, or both.

  According to a second aspect of the present invention, there is an exchange accommodating a plurality of terminals, a conference trunk for realizing a call between the plurality of terminals, and a line switching for switching the connection destination of the terminals And a conference invitation device provided by the first aspect of the present invention, wherein the conference invitation device controls the line switching means to connect the terminal to the conference trunk. An exchange is provided.

According to a third aspect of the present invention, there is provided a meeting invitation method performed by a meeting invitation apparatus, which refers to a list of attendees participating in a call between a plurality of terminals and is used by a terminal used by the attendees. A voice to be transmitted to each of a plurality of terminals connected to the conference trunk by connecting a terminal according to the call to a conference trunk for performing a call to the telephone and realizing a call between the plurality of terminals. After recording the video or both, and after the call between the terminals ends, the terminal that is not connected to the connection trunk, although the terminal is used by the invitee, When a certain terminal connected to the conference trunk in response to the call disconnects from the conference trunk before the call between the plurality of terminals is terminated. The or Voice terminal is the recording, make it possible to reproduce the video, or both, the voice, is stored in the area provided a video or both for each terminal in the storage device, the recorded speech, A terminal capable of playing back video or both can play back the audio, video or both at any time after recording by accessing the area corresponding to the terminal in the storage device. A meeting convocation method characterized by the above is provided.

According to a fourth aspect of the present invention, there is provided a conference invitation program for causing a computer to function as a conference invitation device, wherein the computer refers to a list of invitees participating in a call between a plurality of terminals, and A means for making a call to a terminal used by the convener and a conference trunk for realizing a call between the plurality of terminals, a terminal corresponding to the call being connected, and a plurality of terminals connected to the conference trunk Means for starting recording of audio and / or video transmitted by each of the terminals, and the connection trunk regardless of the terminal used by the attendee after the call between the plurality of terminals is completed Means for enabling a terminal unconnected to play the recorded audio and / or video, and a terminal connected to the conference trunk in response to the call If a call between several terminals is disconnected from the conference trunk before exiting, and means making it possible to reproduce audio該或Ru terminal has the recording, an image, or both, the audio, video, or Both terminals are stored in an area provided for each terminal in the storage device, and the terminal capable of reproducing the recorded audio and / or video corresponds to the terminal in the storage device. By providing access to the area, there is provided a meeting invitation program that functions as a means for reproducing the audio and / or video at any time after recording .

  According to the present invention, it is possible to listen to the voice exchanged in the conference even for the congregation who could not participate in the conference.

It is a figure showing the basic composition of the whole telephone conference recording system which is embodiment of this invention. It is a figure showing the meeting caller list memorize | stored in the database of a private branch exchange. It is a flowchart showing the operation | movement at the time of a meeting invitation. It is a flowchart showing operation | movement when a meeting attendee responds. It is a flowchart showing operation | movement when a meeting attendee does not respond. It is a flowchart showing operation | movement until a conference participant recovers, it notifies that the conference call end and the recording message were accumulate | stored. It is a sequence diagram which shows operation | movement of the private branch exchange of the flow shown in FIGS. 3-4, a voice recording apparatus, and a telephone. It is a sequence diagram which shows operation | movement of the private branch exchange of the flow shown in FIG. 6, a voice recording apparatus, and a telephone. It is a sequence diagram which shows the operation | movement at the time of some telephones leaving a meeting on the way.

  Next, the configuration of the embodiment of the present invention will be described in detail with reference to the drawings.

  Referring to FIG. 1, a conference call recording system according to an embodiment of the present invention includes a telephone 100-1, a telephone 100-2 to a telephone 100-N, a private branch exchange 200, and a voice recording device 300. Furthermore, the private branch exchange 200 includes a conference invitation unit 210, a conference trunk 220, and a line switching unit 230.

  Each of the telephone set 100-1 and the telephone sets 100-2 to 100-N is connected to the private branch exchange 200 via a private network 420. The private branch exchange 200 and the voice recording device 300 are connected via a VM extension 410 which is a voice mail extension. Further, the private branch exchange 200 is connected to a public network. Each of these connections may be a wired connection, but a part or all of them may be realized by a wireless connection. Moreover, there is no restriction | limiting in the communication system which the communication using these connections should comply, and you may be based on arbitrary communication systems.

  Note that the illustration of the telephone 100-3 to the telephone 100-N-1 is omitted. Further, in the following description, when calling each of the telephone 100-1 and the telephone 100-2 to the telephone 100-N without specifying any of them, only the “telephone 100” is described. Furthermore, there is no restriction on the number of telephones 100. That is, the telephone conference recording system according to the present embodiment may include an arbitrary number of telephones 100.

  Here, the telephone 100 is a telephone installed on each user's desk or the like. Specifically, the telephone 100 is realized by a telephone that performs communication conforming to IP (Internet Protocol), for example. The telephone 100 may be realized by a combination of hardware and software dedicated to the telephone, but may be realized by incorporating software into general-purpose hardware such as a personal computer.

  The private branch exchange 200 is realized by a device called IP-PBX (Internet Protocol Private Branch exchange) or a server in which software is incorporated.

  In addition, the conference invitation unit 210 included in the private branch exchange 200 connects each telephone set 100 to the conference trunk 220 by giving an instruction to the line switching unit 230. Thereby, it has a function which implement | achieves the conference call between each telephone 100. FIG. In addition, the conference invitation unit 210 provides a call non-response timer for each telephone. Then, a call non-response timer is set when the telephone 100 is called, and when there is a response from the telephone 100, the call non-response timer is cleared. Furthermore, the meeting invitation section 210 has a function of storing a meeting invitation list.

  Here, the conference caller list will be described with reference to a specific example of the conference caller list shown in FIG.

  A conference caller list is created for each conference. The meeting date and time is described in the meeting caller list. In this specific example, a number is assigned to each convenee. Furthermore, in this specific example, the telephone number, name, affiliation, job title, and current status of each callee are listed.

  This convocation list is merely one specific example, and other items may be added to the list, or some items may be deleted from the list.

  Then, when the meeting start time approaches or comes to the meeting start time, the meeting invitation unit 210 calls the telephones 100 whose telephone numbers are listed in the meeting invitation list all at once, and when the called telephones 100 respond, The operation of connecting to the trunk 220 is performed.

  The conference trunk 220 has a function of realizing a conference between the telephones 100 connected to the conference trunk 220 itself. In the private branch exchange 200, the conference trunk 220 is connected to a highway accommodated in the line switching unit 230 that operates as a time division exchange switch. Then, the line switching unit 230 switches the audio signal transmitted from each telephone 100 to the conference trunk 220 to the highway channel corresponding to each telephone 100.

  In the conference trunk 220, among the certain telephones 100 connected in the conference, all the signals of the channels of the telephones 100 other than the channel corresponding to the certain telephone 100 are added, and the line is obtained as the signal of the channel of the certain telephone 100. Return to the switching unit 230. Then, when this certain telephone 100 receives the returned audio signal, the conference telephone connection is realized. The conference trunk 220 transmits a signal obtained by adding all the channel signals of all the telephones 100 to the voice recording device 300.

  The line switching unit 230 realizes an extension call by switching the connection between the telephones 100 connected via the local network 420. Further, the line switching unit 230 realizes that the telephone 100 makes a call with a telephone existing in the public network by connecting the public network and the telephone 100. The line switching unit 230 connects the telephone 100 that participates in the conference to the conference trunk 220.

  The voice recording device 300 is a device that provides a voice mail service. Specifically, it has a function of recording a call and a function of reproducing a recorded call message. Further, it is assumed that the voice recording device 300 is accommodated in the private branch exchange 200 via the VM extension 410. Then, the voice recording device 300 receives the voice at the time of the conference from the conference trunk 220 and records the received voice. The recorded voice is used as a data file, and this data file is registered in the voice mail box of the telephone 100 as voice mail.

  Although the private branch exchange 200 and the voice recording device 300 are shown separately in the figure, the private branch exchange 200 and the voice recording device 300 may be realized by a single device. The private branch exchange 200 and the voice recording device 300 may be realized by a combination of a plurality of devices.

  The private branch exchange 200 does not necessarily have to be connected to the public network. That is, the telephone conference recording system of this embodiment may be realized by a configuration isolated from the public network.

  Next, referring to the block diagram of FIG. 1, the conference caller list shown in FIG. 2, the flowcharts of FIGS. 3 to 5, and the sequence diagrams of FIGS. 7 and 8, the operation of the embodiment of the present invention will be described. This will be described in detail. In this description, it is assumed that the telephone 100-1, the telephone 100-2, and the telephone 100-N are telephones that are used by the attendee. In addition, the telephone 100-1 and the telephone 100-2 respond to the calling of the private branch exchange 200, but the telephone 100-N does not respond to the calling of the private branch exchange 200.

  First, the private branch exchange 200 refers to a conference caller list registered in advance (for example, a conference caller list shown in FIG. 2). Then, the private branch exchange 200 sequentially uses the telephone 100-1, the telephone 100-2, and the telephone 100-N, which are telephones used by the attendees described in the conference invitee list, at the meeting start time. Call (step S11 in FIG. 3 and steps S61, S62 and S63 in FIG. 7).

  Further, the private branch exchange 200 sets a call non-response timer for each invited person when each telephone is called (step S12 in FIG. 3).

  Here, it is assumed that the callee's telephone 100-1 first responds (step S64 in FIG. 7). In this case, the private branch exchange 200 first clears the call non-response timer (step S21 in FIG. 4). The private branch exchange 200 connects the telephone 100-1 to the conference trunk 220 (step S22 in FIG. 4).

In this description, telephone 100-1 in response, a very first conference participant (Ye s in step S23 of FIG. 4). Therefore, the private branch exchange 200 calls the VM extension 410 and requests the voice recording device 300 to start recording (step S24 in FIG. 4 and step S65 in FIG. 7).

  Then, the voice recording device 300 in response to the recording start request replies to the private branch exchange 200 through the VM extension 410 (step S66 in FIG. 7).

  Upon receiving the response, the private branch exchange 200 connects the voice recording device 300 to the conference trunk 220 (step S31 in FIG. 4). Thereby, the recording of the conference call is started.

  Thereafter, it is assumed that the telephone 100-2 responds. In this case, the call non-response timer of the telephone 100-2 is cleared (step S21 in FIG. 4). Also, the callee's telephone 100-2 that responds after the second is sequentially connected to the conference trunk 220 and starts a conference call (No in step S21, step S22, step S23 in FIG. 4 and step in FIG. 7). S67).

  On the other hand, in this explanation, the telephone 100-N used by the called congregator cannot respond due to absence or the like. Therefore, when a predetermined time set in the call non-response timer has elapsed (time-out stage) (Yes in step S41 in FIG. 5), it is stored as a non-response in the conference caller list (step S42 in FIG. 5). The call is stopped (step S43 in FIG. 5 and step S68 in FIG. 7).

  Thereby, the operation at the start of the conference ends. Next, the operation when the conference call is finished and the conference participants are restored will be described.

  When the conference call ends and the conference participants are restored, each of the conference participant's telephones 100 is disconnected from the conference trunk (step S51 in FIG. 6 and steps S71 and S72 in FIG. 8).

  When all the conference participants have recovered (Yes in step S52 in FIG. 6), the voice recording device 300 stops recording (step S53 in FIG. 6 and step S73 in FIG. 8).

  Then, it is checked whether or not there is a convoluted person who could not participate in the conference due to a non-response by referring to the conference caller list (step S54 in FIG. 6). If the attendees to be checked this time are responding to the call (Yes in step S55 in FIG. 6), have all the attendees been checked in the check for the attendees to be checked this time? Confirmation (step S58 in FIG. 6). In this description, in the check for the congregation of the telephone 100-1 and the telephone 100-2, No is determined in step S58.

  Subsequently, when the callee of the telephone set 100-N is checked, the callee of the telephone set 100-N is a callee who could not participate in the conference due to a non-response (No in step S55 in FIG. 6). Therefore, the private branch exchange 200 requests the voice recording device 300 to transmit a recording message addressed to the mail BOX of the telephone 100-N (step S56 in FIG. 6 and step S74 in FIG. 8).

Further, the private branch exchange 200 instructs the telephone set 100-N to notify the attendee that there is a message. Then, the telephone 100-N displays on the lamp or LCD (Liquid Crystal Display) of the telephone 100-N and notifies that there is a recording message (step S57 in FIG. 6 and step S75 in FIG. 8).

  When the non-response check is completed for all attendees (Yes in step S58), the VM extension 410 is disconnected (step S59 in FIG. 6 and step S76 in FIG. 8), and the conference trunk is restored (in FIG. 6). Step S70).

  The attendee using the telephone 100-N can confirm that there is a message by looking at the lamp / LCD display of the telephone. The attendee can listen to the recorded content of the conference call by accessing the voice mailbox of the telephone 100-N using the telephone 100-N.

  The present embodiment described above can confirm the contents of the conference call later when the attendee who has been invited to the conference cannot respond due to absence or the like and cannot participate in the conference. The reason is that a conference call can be recorded by a voice recording device, and a message can be left for a congregation who cannot participate in the conference.

  Although the above-described embodiment is a preferred embodiment of the present invention, the scope of the present invention is not limited only to the above-described embodiment, and various modifications are made without departing from the gist of the present invention. Implementation in the form is possible.

  For example, at the time of a meeting, not only audio but also video without sound (still image or moving image) and video with audio may be exchanged. In this case, the telephone 100 transmits and receives not only voice but also still images and moving images. In addition, the audio recording device 300 records not only audio but also still images and moving images. Then, the convened person who cannot participate in the conference may access not only the voice but also the still image and the moving image by accessing the voice mail box of the telephone 100-N.

  Furthermore, the voice mail may be registered not only in the convened person who did not participate in the conference, but also in the mailbox of the convener's telephone 100 that was disconnected during the conference.

  An example of the operation in this case will be described with reference to the flowchart of FIG.

  First, as in steps S61 to S63 in FIG. 7, a caller is called for each telephone 100 (steps S81 to S83 in FIG. 9). Then, in response to a response from the telephone 100-1 (step S84 in FIG. 9), a recording request (step S85 in FIG. 9) and a recording start response are made (step S88 in FIG. 9). In parallel, there is also a response from the telephone 100-2 and the telephone 100-N (Step S86 and Step S87 in FIG. 9).

  Thereby, a conference is performed among the telephone 100-1, the telephone 100-2, and the telephone 100-N, and the voice is recorded.

  Here, let us consider a case in which a congregation who uses the telephone 100-N leaves the conference despite the midway of the conference. In this case, disconnection is transmitted to the exchange 200 from the telephone 100-N (step S89 in FIG. 9). However, the conference by the telephone 100-1 and the telephone 100-2 is continued. Then, after the conference is finished, the conferee list of the conferees that the conferee of the telephone 100-N has left the way is entered.

  Thereafter, an operation according to the flowchart of FIG. 6 is performed. Of course, in step S55 in FIG. 6, it is also checked whether the convenee is a convenee who has left the way. And when it is the congregation who left | separated on the way, the process of step S56 of FIG. 6 and step S57 is performed. As a result, the voice mail is also registered in the mailbox of the congregator's telephone 100-N who has left the way.

  Then, the attendee who has left the site can access the mailbox of the telephone 100-N to hear the voice after leaving.

  Whether the telephone 100-N has been disconnected because the conference itself has ended or whether the telephone 100-N has been disconnected because the conference has not ended has been determined. It can be discriminated by this method. For example, if another telephone 100 is disconnected immediately after the telephone 100-N is disconnected, it can be determined that the telephone 100-N is disconnected because the conference itself has ended. On the other hand, if the other telephone 100 does not disconnect even after a predetermined time has elapsed after the telephone 100-N is disconnected, it can be determined that the telephone 100-N has been disconnected. In addition, different signals may be transmitted between the disconnection at the end of the conference and the disconnection due to withdrawal. In this case, the telephone set 100 disconnects from the connection trunk after transmitting a signal indicating whether the disconnection is a disconnection at the end of the conference or an interruption due to the withdrawal.

  Note that each of the telephone 100, the exchange 200, and the voice recording device 300 described above can be realized by hardware, software, or a combination thereof. The conference call recording method performed by the telephone 100, the exchange 200, and the voice recording device 300 can also be realized by hardware, software, or a combination thereof. Here, “realized by software” means realized by a computer reading and executing a program.

  The program may be stored using various types of non-transitory computer readable media and supplied to the computer. Non-transitory computer readable media include various types of tangible storage media. Examples of non-transitory computer readable media include magnetic recording media (for example, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (for example, magneto-optical disks), CD-ROMs (Read Only Memory), CD- R, CD-R / W, semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (random access memory)). The program may also be supplied to the computer by various types of transitory computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves. The temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.

  A part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.

(Appendix 1) A meeting convocation device,
Means for making a call to a terminal used by the attendee with reference to a list of attendees participating in a call between a plurality of terminals;
Recording a voice, video, or both transmitted by each of a plurality of terminals connected to the conference trunk by connecting a terminal corresponding to the call to a conference trunk for realizing a call between the plurality of terminals. Means for starting
After the call between the plurality of terminals is terminated, a terminal that is not connected to the connection trunk even though the terminal is used by the attendee, reproduces the recorded audio, video, or both. Means to enable;
A meeting convocation apparatus characterized by comprising:

(Supplementary note 2) The meeting convocation apparatus according to supplementary note 1,
If a certain terminal connected to the conference trunk in response to the call disconnects from the conference trunk before the call between the plurality of terminals is terminated, the recorded voice, video or A conference convocation apparatus, further comprising means for reproducing both of them.

(Supplementary note 3) The meeting calling device according to Supplementary note 1 or 2,
A conference convocation apparatus, further comprising means for setting a timer and setting a timer, and stopping the call for a terminal that has not responded before the timer times out.

(Supplementary note 4) The conference convocation apparatus according to any one of supplementary notes 1 to 3,
An instruction is given to the terminal that is capable of reproducing the recorded audio and / or video, and the instruction is to inform the attendee that the recorded audio and / or video exists. A meeting convocation device characterized by being for recognition.

(Supplementary note 5) The conference convocation apparatus according to any one of supplementary notes 1 to 4,
The terminal that stores the audio and / or video in a storage device and is capable of playing back the recorded audio and / or video can access the storage device, A meeting convening device capable of reproducing the audio, the video, or both at the time.

(Appendix 6) An exchange that accommodates a plurality of terminals,
The meeting invitation device according to any one of appendices 1 to 5,
A conference trunk to enable calls between multiple devices,
A line switching means for switching the connection destination of the terminal;
With
2. The exchange according to claim 1, wherein the conference convocation apparatus controls the line switching means to connect the terminal to the conference trunk.

(Supplementary note 7) A meeting convocation method performed by the meeting convocation apparatus,
Refer to the list of attendees participating in a call between multiple terminals, call the terminal used by the attendees,
Recording a voice, video, or both transmitted by each of a plurality of terminals connected to the conference trunk by connecting a terminal corresponding to the call to a conference trunk for realizing a call between the plurality of terminals. Start
After the call between the plurality of terminals is terminated, a terminal that is not connected to the connection trunk even though the terminal is used by the attendee, reproduces the recorded audio, video, or both. Possible,
A meeting convocation method characterized by the above.

(Supplementary Note 8) A conference invitation program for causing a computer to function as a conference invitation device,
The computer,
Means for making a call to a terminal used by the attendee with reference to a list of attendees participating in a call between a plurality of terminals;
Recording a voice, video, or both transmitted by each of a plurality of terminals connected to the conference trunk by connecting a terminal corresponding to the call to a conference trunk for realizing a call between the plurality of terminals. Means for starting
After the call between the plurality of terminals is terminated, a terminal that is not connected to the connection trunk even though the terminal is used by the attendee, reproduces the recorded audio, video, or both. Means to enable;
A meeting convocation program characterized by functioning as

100-1, 100-2, 100-N Telephone 200 Private branch exchange 210 Conference invitation unit 220 Conference trunk 230 Line switching unit 300 Voice recording device 410 VM extension 420 Private network

Claims (6)

A meeting convocation device,
Means for making a call to a terminal used by the attendee with reference to a list of attendees participating in a call between a plurality of terminals;
Recording a voice, video, or both transmitted by each of a plurality of terminals connected to the conference trunk by connecting a terminal corresponding to the call to a conference trunk for realizing a call between the plurality of terminals. Means for starting
After the call between the plurality of terminals is terminated, a terminal that is not connected to the connection trunk even though the terminal is used by the attendee, reproduces the recorded audio, video, or both. Means to enable;
If a certain terminal connected to the conference trunk in response to the call disconnects from the conference trunk before the call between the plurality of terminals is terminated, the recorded voice, video or Means to allow both to be regenerated,
With
The audio, video, or both are stored in an area provided for each terminal in the storage device , and the recorded audio, video, or both can be played back in the storage device . A conference convocation apparatus, wherein the audio and / or video can be reproduced at any time after recording by accessing the area corresponding to the terminal. The meeting convocation apparatus according to claim 1,
A conference convocation apparatus, further comprising means for setting a timer and setting a timer, and stopping the call for a terminal that has not responded before the timer times out. It is a meeting invitation apparatus of any one of Claim 1 or 2, Comprising:
An instruction is given to the terminal that is capable of reproducing the recorded audio and / or video, and the instruction is to inform the attendee that the recorded audio and / or video exists. A meeting convocation device characterized by being for recognition. An exchange accommodating a plurality of terminals,
The meeting invitation device according to any one of claims 1 to 3 ,
A conference trunk to enable calls between multiple devices,
A line switching means for switching the connection destination of the terminal;
With
2. The exchange according to claim 1, wherein the conference convocation apparatus controls the line switching means to connect the terminal to the conference trunk. A meeting calling method performed by a meeting calling apparatus,
Refer to the list of attendees participating in a call between multiple terminals, call the terminal used by the attendees,
Recording a voice, video, or both transmitted by each of a plurality of terminals connected to the conference trunk by connecting a terminal corresponding to the call to a conference trunk for realizing a call between the plurality of terminals. Start
After the call between the plurality of terminals is terminated, a terminal that is not connected to the connection trunk even though the terminal is used by the attendee, reproduces the recorded audio, video, or both. Made possible
If a certain terminal connected to the conference trunk in response to the call disconnects from the conference trunk before the call between the plurality of terminals is terminated, the recorded voice, video or it possible to play both,
The audio, video, or both are stored in an area provided for each terminal in the storage device, and the recorded audio, video, or both can be played back in the storage device. by accessing the area corresponding to the end of the end, the voice, Ru can reproduce video, or both at any time after recording,
A meeting convocation method characterized by the above. A conference invitation program that causes a computer to function as a conference invitation device,
The computer,
Means for making a call to a terminal used by the attendee with reference to a list of attendees participating in a call between a plurality of terminals;
Recording a voice, video, or both transmitted by each of a plurality of terminals connected to the conference trunk by connecting a terminal corresponding to the call to a conference trunk for realizing a call between the plurality of terminals. Means for starting
After the call between the plurality of terminals is terminated, a terminal that is not connected to the connection trunk even though the terminal is used by the attendee, reproduces the recorded audio, video, or both. Means to enable;
If a certain terminal connected to the conference trunk in response to the call disconnects from the conference trunk before the call between the plurality of terminals is terminated, the recorded voice, video or Means to allow both to be regenerated,
The audio, video, or both are stored in an area provided for each terminal in the storage device, and the recorded audio, video, or both can be played back in the storage device. Means for reproducing the audio, video or both at any time after recording by accessing the area corresponding to the terminal of
A meeting convocation program characterized by functioning as

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