JP2010087697A - Telephone controller, and telephone conference control method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce work burdens when starting a telephone conference and to effectively utilize the time for the telephone conference. <P>SOLUTION: In the telephone controller 10, conference booking information 17B for booking the telephone conference using one of telephone terminals 19 is acquired from a communication terminal such as the telephone terminal 19 or a PC terminal 10P and booked in a storage part 17. In accordance with the conference holding date specified by the conference booking information 17B, the telephone terminal 19X of a conference place specified by the conference booking information 17B is called on an extension line, the telephone terminal 30 of a conference opposite party specified by the conference booking information 17B is called, and both speech paths are connected to a conference trunk 12A. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a telephone technology, and more particularly to a technology for conducting a telephone conference between a plurality of telephone devices connected via a telephone line.

  In general, when a conference call is made between a plurality of telephone devices connected via a telephone line, first, the date and time of the conference call and participants are notified in advance by e-mail. Are gathered in a conference room in which a telephone device for telephone conference is installed, and a telephone conference is started by connecting a telephone line to a telephone device of a conference partner at another base.

  In such a conference call, a main unit of a button telephone device or a telephone control device such as a PBX accepts a conference call reservation, and a participant's phone set in the reservation contents a certain time before the conference call disclosure time. A technique has been proposed in which a terminal is called and a voice guidance is transmitted to notify that a conference call is to be held (for example, see Patent Document 1).

JP-A-4-332243

However, with such conventional technology, participants can be convened to the conference room a certain time before the conference call. However, when the conference call is actually started, the participant calls the phone number of the conference partner. It is necessary to connect the telephone line to the telephone device of the conference partner by performing operation input on the device. For this reason, the work at the time of a telephone conference start is troublesome, and the time for a telephone conference has been spent on these work.
The present invention is intended to solve such problems, and provides a telephone control device and a telephone conference control method that can reduce the work load at the start of a telephone conference and can effectively use the time for the telephone conference. It is aimed.

  In order to achieve such an object, a telephone control device according to the present invention is a telephone control device that controls an internal line call by an accommodated telephone terminal and an external line call via a telephone network, and the telephone terminal or the telephone terminal The conference reservation reception unit for acquiring conference reservation information for reservation of a conference call using any of the telephone terminals from a communication terminal externally connected to the telephone control device, and storing the conference reservation information in the storage unit, and the conference reservation information When the designated meeting date and time arrives, the telephone terminal at the conference location specified by the conference reservation information is called by extension, and the call is made to the conference partner specified by the conference reservation information. And a conference call forming unit connected to the conference trunk.

  At this time, the telephone conference forming unit calls the telephone terminal at the conference location by extension, and after the connection of the telephone terminal's call path to the conference trunk is completed, the call is made to the conference partner specified by the conference reservation information. Also good.

  In addition, when an extension call is made to the telephone terminal at the conference location in the conference call forming unit, if the telephone terminal is busy, the call is disconnected and then the telephone terminal's call path is connected to the conference trunk. You may do it.

  The telephone conference control method according to the present invention is a telephone conference control method used in a telephone control device for controlling an extension call by an accommodated telephone terminal and an external line call via a telephone network. A conference call reservation reception step for acquiring conference reservation information for reservation of a conference call using any of the telephone terminals from a communication terminal externally connected to the telephone control device and storing it in the storage unit, and a conference reservation information When the designated meeting date and time arrives, the telephone terminal at the conference location specified by the conference reservation information is called by extension, and the call is made to the conference partner specified by the conference reservation information. And a conference call forming step for connecting to the conference trunk.

  According to the present invention, it is possible to automatically form a conference call in response to the arrival of the conference date. Thereby, the work burden at the start of the conference call can be reduced, and the time for the conference call can be effectively utilized.

Next, embodiments of the present invention will be described with reference to the drawings.
[Configuration of one embodiment]
First, a telephone control device according to an embodiment of the present invention will be described with reference to FIG. FIG. 1 is a block diagram showing a telephone conference system including a telephone control device according to an embodiment of the present invention.

The telephone control device 10 includes a main device of a button telephone device, a control device such as a PBX, or an IP telephone server, and is connected to a telephone network 50 including a public telephone network (PSTN), ISDN, IP telephone network, etc. The telephone terminal 19 (19A, 19B,..., 19X, 19Y) accommodating the extension has a function of controlling a call through the telephone network 50.
The telephone terminals 19A, 19B,..., 19X are telephone terminals that are accommodated in the telephone control device 10 via extension lines. The telephone terminal 19Y is a radiotelephone terminal that is accommodated in the telephone control apparatus 10 via a base station apparatus 10W connected via a radio line.

  The PC terminal 10P is an information processing terminal such as a personal computer used by the user of the telephone terminal 19, and accesses the telephone control device 10 via the LAN 10L formed of a wired or wireless data communication network. It has a function to make a conference call reservation using either one.

The telephone control device 20 includes a main device of a button telephone device, a control device such as a PBX, or an IP telephone server, and is connected to a telephone network 50 and is connected to a telephone terminal 29 (29A, 29B,..., 29X) that accommodates extensions. It has a function of controlling a call through the telephone network 50.
The telephone terminals 29A, 29B,..., 29X are telephone terminals that are accommodated in the telephone control device 20 via extension lines.
The telephone terminal 30 includes a general telephone device such as a single telephone, an answering machine, and a cordless telephone, and has a function of making a call by connecting to the telephone network 50.

  In the present embodiment, in the telephone control device 10, conference reservation information for reservation of a conference call using any of the telephone terminals 19 is acquired from a communication terminal such as the telephone terminal 19 or the PC terminal 10P, and the storage unit When the meeting date and time specified in the conference reservation information arrives, the telephone terminal at the conference location specified in the conference reservation information is called by extension and the conference partner specified in the conference reservation information The call is made and both communication paths are connected to the conference trunk.

FIG. 2 is a block diagram showing the configuration of the telephone control device according to the embodiment of the present invention.
As shown in FIG. 2, the telephone control device 10 includes, as main functional units, a line interface unit (hereinafter referred to as a line I / F unit) 11, a switch unit 12, a conference trunk 12A, a terminal interface unit (hereinafter referred to as a terminal). I / F unit) 13, base station interface unit (hereinafter referred to as base station I / F unit) 14, communication interface unit (hereinafter referred to as communication I / F unit) 15, timing unit 16, storage unit 17, and control A portion 18 is provided.

The line I / F unit 11 is composed of a dedicated communication circuit, and performs call path connection control with the telephone network 50 based on an instruction from the control unit 18 and transmission / reception of call voice using the call path. It has a function.
The switch unit 12 is composed of a dedicated switching circuit, and connects the communication path on the telephone network 50 side formed by the line I / F unit 11 and the communication path on the telephone terminal 19 side formed by the terminal I / F unit 13 to the control unit. The function of switching connection based on the control of 18 and the function of forming a conference call by selecting these call paths and connecting them in common to the conference trunk 12A, and selecting these call paths and connecting to the voice processing unit 12B By doing so, it has a function of sending voice guidance for pre-conference notification registered in advance in the voice processing unit 12B to the corresponding telephone terminal 19.

The terminal I / F unit 13 includes a dedicated communication circuit, and exchanges control data with the telephone terminal 19 based on instructions from the control unit 18 and voice data with the telephone terminal 19. By doing so, it has a function of forming a speech path.
The base station I / F unit 14 includes a dedicated communication circuit, and has a function of exchanging control data with the telephone terminal 19Y via the base station device 10W based on an instruction from the control unit 18, and a telephone terminal 19Y. And a function of forming a speech path by exchanging voice data with the.

The communication I / F unit 15 includes a dedicated communication circuit, and acquires conference reservation information for a telephone conference from the PC terminal 10P by performing data communication with the PC terminal 10P based on an instruction from the control unit 18. It has a function.
The timer unit 16 includes a clock IC that counts the date and time, and has a function of notifying the controller unit 18 of the current time in response to an instruction from the controller unit 18.

The storage unit 17 includes a storage device such as a hard disk or a memory, and has a function of storing various processing information and programs 17P used for processing operations in the control unit 18.
The program 17P is a program that implements various processing units by being read and executed by the control unit 18, and is read in advance from an external device or a recording medium (not shown) and stored in the storage unit 17. .

  Main processing information stored in the storage unit 17 includes call control information 17A and conference reservation information 17B. The call control information 17A includes information used for call control in the control unit 18 relating to telephone functions such as outgoing call, incoming call, and telephone call of the telephone terminal 19, and indicates the state of each telephone terminal 19 and the line state of the telephone network 50. Consists of information.

  FIG. 3 is a configuration example of conference reservation information. In the conference reservation information 17B, various information such as “ID”, “meeting place”, “meeting time”, “converging person”, “conference partner”, and the like are registered as a set. “ID” is identification information for identifying the reserved conference call. In the “conference place”, the extension telephone number of the telephone terminal 19 provided in the conference room where participants on the telephone control apparatus 10 gather is registered. “Conference time” is date and time information indicating the start and end of the telephone conference. “Convenor” is a list of extension telephone numbers used when a telephone conference prior notice is given to participants on the telephone control device 10 side. The “conference partner” is a list indicating an external telephone number or an extension telephone number that is automatically called at the start of the conference as the conference partner of the telephone conference.

The control unit 18 includes a microprocessor such as a CPU and peripheral circuits thereof, and has a function of realizing various processing units necessary for processing operations of the telephone control device 10 by reading and executing the program 17P of the storage unit 17. Have.
The main processing units realized by the control unit 18 include a call control unit 18A, a conference call reservation receiving unit 18B, a conference call prior notification unit 18C, and a conference call forming unit 18D.

  The call control unit 18A exchanges call control signals and call control messages with the telephone network 50 via the line I / F unit 11, and exchanges control messages with the telephone terminal 19 via the terminal I / F unit 13. Thus, the telephone terminal 19 has a function of performing call control related to telephone functions such as outgoing call, incoming call, and telephone call.

  The conference call reservation receiving unit 18B reads and provides a conference call reservation screen stored in advance in the storage unit 17 in response to an access from the PC terminal 10P or the phone terminal 19, and inputs the conference call reservation screen. The conference reservation information is acquired from the terminal and stored in the storage unit 17.

  FIG. 4 is a configuration example of a conference call reservation screen. This electronic conference reservation screen is provided with an input field corresponding to each item of the conference reservation information in FIG. 3 described above, and is input to the conference call reservation screen according to the operation of the “reservation confirmation” button. The conference reservation information is transmitted from the terminal to the conference call reservation receiving unit 18B. Here, using a general Web service function, a conference call reservation screen and conference reservation information described in HTTP format are displayed in the communication I / F unit 15, the terminal I / F unit 13, or the base station I / F. The data is exchanged with the PC terminal 10 </ b> P or the telephone terminal 19 through the unit 14.

  The telephone conference prior notification unit 18C sequentially compares the start time of each conference registered in the conference reservation information 17B of the storage unit 17 and the current time acquired from the time measuring unit 16, and uses the start time of the conference as a starting point. To determine whether or not the advance notice time of the meeting has arrived, and to each extension telephone number registered in the “converging person” of the meeting in the conference reservation information 17B according to the arrival of the advance notice time A function for making an extension call for the extension and voice guidance for conference pre-announcement pre-registered in the voice processing unit 12B in response to a response to the extension call, the terminal I / F unit 13 or the base station I / F A function of sending to the telephone terminal 19 via the unit 14.

  The telephone conference forming unit 18D sequentially compares the start time of each conference registered in the conference reservation information 17B of the storage unit 17 and the current time acquired from the time measuring unit 16 to determine whether the start time of the conference has arrived. A function of determining whether or not, and a function of calling an external / extension call to each external / extension telephone number registered in the “conference partner” of the conference in the conference reservation information 17B when the start time arrives In addition, it has a function of automatically forming a conference call by connecting each response terminal to the conference trunk 12A in response to a response to the external / internal call.

[Operation of one embodiment]
Next, the operation of the telephone control device according to the embodiment of the present invention will be described. Here, it is assumed that the conference reservation information 17B of FIG. 3 described above is already received by the conference call reservation receiving unit 18B and stored in the storage unit 17, and the telephone terminal 19A is based on the content of the conference reservation information 17B. , 19B, 19Y, and a case where a telephone conference is formed between the telephone terminals 19X, 19Y, the telephone terminal 30, and the telephone terminal 29X will be described.

[Advance notification]
First, a prior notification operation of the telephone control device according to the present embodiment will be described with reference to FIG. FIG. 5 is a sequence diagram showing a prior notification operation of the telephone control device according to the embodiment of the present invention.

  In the telephone control device 10, the telephone conference advance notification unit 18 </ b> C of the control unit 18 sequentially compares the start time of each conference registered in the conference reservation information 17 </ b> B of the storage unit 17 with the current time acquired from the time measuring unit 16. Then, it is determined whether or not a prior notification time that is a certain time before the start time of the conference has arrived. At this time, a value common to all the conferences may be set in advance in the storage unit 17 for the time difference between the conference start time and the prior notification time, and each conference as a part of the conference reservation information 17B of each conference. An arbitrary time difference or a prior notification time itself may be set and input.

  If the arrival of the prior notification time is detected for any conference (step 100), the conference call prior notification unit 18C determines the prior notification destination from the item “converged” registered in the conference reservation information 17B of the conference. A list of extension telephone numbers is acquired, and extension calls are made to the individual telephone terminals 19 corresponding to these extension telephone numbers. At this time, in the example of the conference reservation information in FIG. 3, the extension call message is sent from the call control unit 18A via the terminal I / F unit 13 to the telephone terminal 19A of “extension 1101” and the telephone terminal 19B of “extension 1102”. Is sent. For the telephone terminal 19Y of “extension 1301”, an extension call message is transmitted from the call control unit 18A via the base station I / F unit 14 and the base station device 10W (step 101).

The telephone terminals 19A, 19B, and 19Y receive the extension call messages, display the extension incoming call, and individually return the response messages according to the user's response operation (step 102).
When the telephone conference advance notice unit 18C receives a response message for each of the telephone terminals 19A, 19B, and 19Y by the call control unit 18A, the telephone conference prior notification unit 18C controls the switch unit 12 to control the extension communication paths of the telephone terminals 19A, 19B, and 19Y. Is connected to the voice processing unit 12B, so that the voice guidance for the conference pre-announcement notification registered in advance in the voice processing unit 12B is transmitted (step 103).

As a result, the telephone terminal 19A, 19B, 19Y responding to the extension is individually notified in advance from the telephone control device 10 by the voice guidance. In the voice guidance, the date and time of the conference call and the conference room that will be the venue will be notified. The convener who heard the voice guidance must gather in the first conference room that will be the conference location by the conference call time. become.
Thereafter, a disconnect message is transmitted from these telephone terminals 19A, 19B, 19Y in response to the call termination operation at telephone terminals 19A, 19B, 19Y (step 104). The telephone conference advance notification unit 18C receives the disconnection message from the telephone terminals 19A, 19B, and 19Y by the call control unit 18A, and controls the switch unit 12 to voice the extension communication paths of the telephone terminals 19A, 19B, and 19Y. Disconnect from the processing unit 12B, and a series of prior notification operations are terminated.

  In step 101, when the telephone terminals 19A, 19B, and 19Y are called by extension, if the call destination telephone terminal is busy, the telephone terminal returns an incoming call rejection message to the extension call and displays the extension incoming call. May not be performed. As a result, it is possible to give priority to a call made at the telephone terminal 19.

  When the call control unit 18A receives an incoming call rejection message from the telephone terminal 19 in response to the extension call message in step 101, the extension call message is received again after a predetermined time e.g. 1 minute after the incoming call rejection message. May be transmitted. As a result, it is possible to notify the telephone terminal 19 during a call in advance of a conference call. Further, the retransmission of the extension call message may be retried until a specified time such as a conference call holding time.

[Conference call operation]
Next, with reference to FIG. 6, the telephone conference formation operation of the telephone control device according to the present embodiment will be described. FIG. 6 is a sequence diagram showing a telephone conference forming operation of the telephone control device according to the embodiment of the present invention.

  In the telephone control device 10, the telephone conference forming unit 18 </ b> D of the control unit 18 sequentially compares the start time of each conference registered in the conference reservation information 17 </ b> B of the storage unit 17 with the current time acquired from the time measuring unit 16. Then, it is determined whether or not the meeting start time has arrived.

When the arrival of the conference start time is detected for an arbitrary conference (step 110), the conference call forming unit 18D holds the conference from the item “conference location” registered in the conference reservation information 17B of the conference. The extension telephone number of the room is acquired, and an extension call is made to the telephone terminal 19 corresponding to the extension telephone number (step 111).
In the example of the conference reservation information in FIG. 3, an extension call message is transmitted from the call control unit 18 </ b> A via the terminal I / F unit 13 for the telephone terminal 19 </ b> X of “extension 1201” that is the conference location.

The telephone terminal 19X receives the extension call message, displays the extension incoming call, and returns a response message in response to the response operation of the caller already gathered at the meeting place (step 112).
The telephone conference forming unit 18D receives the response message from the telephone terminal 19X by the call control unit 18A and controls the switch unit 12 to connect the extension communication path of the telephone terminal 19X to the conference trunk 12A (step 113).

  At this time, if the telephone terminal 19X has a speaker reception function, the speaker reception function may be designated by an extension call message to automatically respond to the extension call. As a result, the telephone terminal 19X can be forcibly shifted to the extension call state without waiting for the response operation of the convener.

In addition, when the telephone terminal 19X is busy and receives an incoming call rejection message from the telephone terminal 19 in response to the extension call message in step 110, the extension is again executed after a predetermined time elapses, for example, 1 minute after the incoming call rejection message. A call message may be transmitted. Thereby, it is possible to invite the telephone terminal 19 during a call to the telephone conference.
Further, regarding the retransmission of the extension call message, it may be retried until it can be invited, and if it cannot be invited by the designated number of times, the conference call forming operation may be stopped.

  When the telephone terminal 19X is busy, the telephone terminal 19X sends a warning sound from the receiver or speaker of the telephone terminal 19X in response to the extension call message to warn the caller that the call has been disconnected and then forcibly calls the telephone. It is possible to disconnect and forcibly shift to the extension call state. As a result, even when the telephone terminal 19X is in a call, the telephone conference can be started as scheduled in accordance with the arrival of the telephone conference start time.

  In this way, after the invitation of the telephone terminal 19X to the telephone conference is completed, the telephone conference forming unit 18D selects the conference partner who performs the conference from the item “conference partner” registered in the conference reservation information 17B of the conference. A list of external / internal telephone numbers is acquired, and external / internal calls are made to telephone terminals corresponding to these external / internal telephone numbers.

In the example of the conference reservation information in FIG. 3, an extension call message is transmitted from the call control unit 18 </ b> A via the base station I / F unit 14 to the telephone terminal 30 of the “extension 1301” as the conference partner (step 120).
The telephone terminal 19Y receives the extension call message via the base station device 10W, displays the extension incoming call, and returns a response message in response to the user's response operation (step 121).
The telephone conference forming unit 18D receives the response message from the telephone terminal 19Y by the call control unit 18A, controls the switch unit 12, and conferences the extension communication path of the telephone terminal 19Y via the base station I / F unit 14. Connect to trunk 12A (step 122).

Further, for the telephone terminal 29X of “extension 2201” which is the conference partner, an inter-device extension call message is transmitted from the call control unit 18A via the line I / F unit 11 (step 130). In this case, the telephone control devices 10 and 20 are connected by an inter-system connection function via the telephone network 50, and the telephone control devices 10 and 20 can use each other's extension call function. .
The telephone terminal 29X receives the inter-device extension call message via the telephone network 50, displays the extension incoming call, and returns a response message in response to the user's response operation (step 131).
The telephone conference forming unit 18D receives the response message from the telephone terminal 29X by the call control unit 18A, controls the switch unit 12, and sets the extension communication path of the telephone terminal 20X via the line I / F unit 11 to the conference trunk. 12A is connected (step 132).

In addition, for the telephone terminal 30 of the “external line 0178201111” which is the conference partner, an external line calling message is transmitted from the call control unit 18A via the line I / F unit 11, and an external line is transmitted (step 140).
The telephone terminal 30 receives the outside line calling message from the telephone network 50, displays the outside line incoming call, and returns a response message in response to the user's response operation (step 141).
The telephone conference forming unit 18D receives the response message from the telephone terminal 30 at the call control unit 18A, controls the switch unit 12, and sets the external line of the telephone terminal 30 via the line I / F unit 11 to the conference trunk. 12A is connected (step 142).

  As a result, the respective communication paths of the telephone terminal 19X, the telephone terminal 19Y of the telephone control device 10, the telephone terminal 29X of the telephone control device 20, and the telephone terminal 30 are commonly connected to the conference trunk 12A of the telephone control device 10. Thus, the telephone conference call is automatically formed, and the telephone conference by these three parties is started (step 150).

When any of the telephone terminals 19Y, 29X, and 30 registered as the conference partner is busy and receives an incoming call rejection message from the telephone terminal in response to the extension / outside line call message, the incoming call rejection message indicates, for example, 1 The extension / outside line call message may be transmitted again after a predetermined time elapses. Thereby, it is possible to invite a telephone terminal during a call to a telephone conference.
The retransmission of the extension / outside line call message may be retried until it can be invited, and if it cannot be invited by the designated number of times, the conference call forming operation may be stopped.

  Among the other parties, the telephone terminal 19Y accommodated by the extension and the telephone terminal 29X capable of intersystem connection receive a call rejection message from the telephone terminal in response to the extension call message. In this case, in response to an instruction from the telephone conference forming unit 18D, a warning sound is sent from the telephone terminal from the receiver or speaker of the telephone terminal to warn the caller that the call has been disconnected, and then the call is forcibly disconnected. Alternatively, it may be forced to shift to the extension call state. As a result, even when the telephone terminal is in a call, the telephone conference can be started as scheduled in accordance with the arrival of the telephone conference start time.

[Effect of one embodiment]
As described above, in the present embodiment, in the telephone control device 10, the conference reservation information 17 </ b> B for reserving a conference call using any of the telephone terminals 19 is transmitted from a communication terminal such as the telephone terminal 19 or the PC terminal 10 </ b> P. Acquired and stored in the storage unit 17, in response to the arrival of the date and time of the conference specified in the conference reservation information 17 B, the extension call is made to the telephone terminal at the conference location specified in the conference reservation information 17 B, and the conference reservation Since a call is made to the conference partner designated by the information 17B and both call paths are connected to the conference trunk, a conference call can be automatically formed when the conference date and time arrives.
Thereby, the work burden at the start of the conference call can be reduced, and the time for the conference call can be effectively utilized.

  Further, in the present embodiment, the telephone terminal at the conference location specified by the conference reservation information 17B is called by extension, and the telephone channel of the telephone terminal is connected to the conference trunk, and then specified by the conference reservation information 17B. You may make it call to the other party. As a result, the telephone terminal of the conference place accommodated in the telephone control device 10 is invited to the telephone conference, and after confirming the state in which the telephone conference can be held, the conference partner is called. Therefore, if the telephone terminal at the conference location cannot be invited to the conference call and the state in which the conference call can be held cannot be confirmed, useless calls to the conference partner can be avoided.

  Further, in the present embodiment, among the conference partners specified by the conference reservation information 17B, an extension call is first made to the telephone terminal accommodated in the telephone control device 10 and the communication path of the telephone terminal After the connection to the conference trunk is completed, among the conference partners specified by the conference reservation information 17B, the telephone control device 10 may call a telephone terminal that requires an outside line transmission. As a result, the telephone terminal of the conference partner accommodated in the telephone control device 10 is invited to the telephone conference, and after confirming that the telephone conference can be held, the external party is called. Therefore, if the extension side telephone terminal cannot be invited to the telephone conference and the state in which the telephone conference can be held cannot be confirmed, it is possible to avoid useless calls to the outside party.

  It should be noted that, as described above, an extension call, a warning sound, a call disconnection, and a transition to an extension call state to the telephone terminal 19 of the telephone terminal 19 accommodated in the extension or the telephone terminal 29 of another telephone control device 20 connected between the systems. The terminal control such as the automatic extension response and the control of the speaker receiving function can be controlled from the telephone control device 10 by transmitting various control messages. For the control of these telephone terminals, a known technique may be used, and a detailed description thereof is omitted here.

It is a block diagram which shows the telephone conference system containing the telephone control apparatus concerning one embodiment of this invention. It is a block diagram which shows the structure of the telephone control apparatus concerning one embodiment of this invention. It is a structural example of meeting reservation information. It is a structural example of a telephone conference reservation screen. It is a sequence diagram which shows the prior notification operation | movement of the telephone control apparatus concerning one embodiment of this invention. It is a sequence diagram which shows the telephone conference formation operation | movement of the telephone control apparatus concerning one embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Telephone control apparatus, 10L ... LAN, 10P ... PC terminal, 10W ... Base station apparatus, 11 ... Line I / F part, 12 ... Switch part, 12A ... Conference trunk, 12B ... Voice processing part, 13 ... Terminal I / F part, 14 ... base station I / F part, 15 ... communication I / F part, 16 ... timing part, 17 ... storage part, 17A ... call control information, 17B ... conference reservation information, 17P ... program, 18 ... control part , 18A ... call control unit, 18B ... conference call reservation reception unit, 18C ... conference call prior notification unit, 18D ... conference call formation unit, 19A, 19B ... phone terminal (room), 19X ... phone terminal (conference room), 19Y ... telephone terminal (wireless), 20 ... telephone control device, 29A, 29B ... telephone terminal (room), 29X ... telephone terminal (conference room), 30 ... telephone terminal (external line), 50 ... telephone network.

Claims (4)

A telephone control device for controlling an internal line call by a telephone terminal accommodated therein and an external line call via a telephone network,
A conference call reservation reception unit that acquires conference reservation information for reservation of a conference call using any of the telephone terminals from the telephone terminal or a communication terminal externally connected to the telephone control device and stores the conference reservation information in a storage unit When,
In response to the arrival of the meeting date and time specified in the conference reservation information, the telephone terminal at the conference location specified in the conference reservation information is called by extension, and the conference party specified in the conference reservation information is sent to the conference partner. A telephone control device comprising: a telephone conference forming unit for connecting both communication paths to a conference trunk. The telephone control device according to claim 1, wherein
The telephone conference forming unit calls an extension terminal of the telephone terminal at the conference place, and after connecting the communication path of the telephone terminal to the conference trunk, makes a call to the conference partner specified by the conference reservation information. A telephone control device. The telephone control device according to claim 1, wherein
The telephone conference forming unit disconnects the call if the telephone terminal is in a call when the telephone terminal at the conference location is called by extension, and then connects the call path of the telephone terminal to the conference trunk. A telephone control device. A telephone conference control method used in a telephone control device for controlling an internal telephone call by an accommodated telephone terminal and an external telephone call via a telephone network,
Teleconference reservation accepting step of acquiring conference reservation information for reserving a teleconference using either of the telephone terminals from the telephone terminal or a communication terminal externally connected to the telephone control device and storing it in the storage unit When,
In response to the arrival of the meeting date and time specified in the conference reservation information, the telephone terminal at the conference location specified in the conference reservation information is called by extension, and the conference party specified in the conference reservation information is sent to the conference partner. A teleconference control method comprising: a teleconference formation step for connecting both communication paths to a conference trunk.

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