JP7217402B2 - Call control device and call control system - Google Patents

Description

The present invention relates to a call control device, a call control system, and a call control program for controlling calls between communication terminals.

In recent years, a caller (e.g., student) selects a callee (e.g., teacher) suitable for a specific purpose such as study or consultation and makes a call, and the callee obtains compensation by making the call. there is a demand for services. In patent document 1, a server extracts a teacher suitable for a topic that a student wants to talk about, a student's terminal displays information on the extracted teacher, accepts selection of one of the teachers, and selects a teacher. terminal displays student information and gives permission to initiate a call with the student's terminal.

JP-A-2005-17318

However, in the conventional call system, since the called party cannot know the call purpose and charge specified by the caller during the call, it is difficult to decide whether to start the call or not. there were. In the system described in Patent Document 1, the calling party and the called party must refer to each other's information and give permission to start the call before the call is made. The party's terminal cannot display information indicating the purpose and charge of the call during an incoming call.

Therefore, the present invention has been made in view of these points, and provides a call control device, a call control system, and a call control program that enable a called party to know the purpose and charge of a call during an incoming call. With the goal.

A call control device according to a first aspect of the present invention includes an acquisition unit that acquires at least one of purpose information indicating the purpose of a call designated in a first terminal and charge information related to call charges from the first terminal; a transmission unit configured to transmit at least one of the purpose information and the charge information acquired by the acquisition unit to the second terminal after the first terminal calls a second terminal different from the first terminal; after at least one of the purpose information and the charge information transmitted by the transmission unit is displayed on the second terminal, an instruction to establish a call between the first terminal and the second terminal is issued from the second terminal and a reception unit for receiving.

The call control device further includes a storage unit that stores a plurality of pieces of the purpose information set in the second terminal before the acquisition unit acquires at least one of the purpose information and the fee information, and The unit may acquire, from the first terminal, one piece of the purpose information selected in the first terminal from among the plurality of pieces of the purpose information stored in the storage unit.

Before the acquisition unit acquires at least one of the purpose information and the charge information, the call control device performs It may further include a setting unit that receives the set fee information from the second terminal and stores the information in the storage unit.

The call control device further includes a storage unit that associates and stores the purpose information and the fee information, and when the acquisition unit acquires the purpose information from the first terminal, the transmission unit stores the purpose information The information and the charge information associated with the purpose information in the storage unit may be transmitted to the second terminal.

The acquisition unit further acquires a character string input at the first terminal in addition to at least one of the purpose information and the charge information, and the transmission unit acquires at least one of the purpose information and the charge information In addition, the character string acquired by the acquisition unit may be transmitted to the second terminal.

When the receiving unit receives the instruction from the second terminal, it outputs charging information indicating a charge to be charged to the user associated with the first terminal based on at least one of the purpose information and the charge information. You may further have a call control part which carries out.

When the second terminal calls the first terminal after the first terminal calls the second terminal, the transmission unit receives the purpose information and the charge information acquired by the acquisition unit. at least one of the purpose information and the charge information transmitted by the transmission unit is displayed on the first terminal, and the reception unit transmits the instruction to the first terminal after at least one of the purpose information and the charge information transmitted by the transmission unit is displayed on the first terminal. receiving from a terminal, the call control unit, when the receiving unit receives the instruction from the first terminal, based on at least one of the purpose information and the charge information, the call control unit associated with the first terminal Billing information indicating a charge to be charged to the user may be output.

A call control system according to a second aspect of the present invention comprises a call control device, a first terminal, and a second terminal, wherein the call control device indicates the purpose of the call designated by the first terminal. an acquisition unit that acquires at least one of information and charge information related to a call charge from the first terminal; and the purpose information and the charge acquired by the acquisition unit after the first terminal calls the second terminal. a transmission unit for transmitting at least one of information to the second terminal; and after at least one of the purpose information and the fee information transmitted by the transmission unit is displayed on the second terminal, the first terminal and the a reception unit that receives an instruction to establish a call with a second terminal from the second terminal, wherein the first terminal designates at least one of the purpose information and the charge information; a communication unit that transmits at least one of the purpose information and the charge information designated by the operation unit to the call control device, and the second terminal receives the purpose information and the charge information from the call control device; a display unit for displaying at least one of charge information; an operation unit for inputting the instruction after the display unit displays at least one of the purpose information and the charge information; and a communication unit for transmitting an instruction to the call control device.

A call control program according to a third aspect of the present invention is executed by a processor of a second terminal, after a first terminal different from the second terminal calls the second terminal, a step of displaying at least one of purpose information indicating the purpose of the call and charge information relating to the charge of the call on a display unit; and said displaying step displays at least one of said purpose information and said charge information on said display unit. receiving input of an instruction to establish a call between the first terminal and the second terminal; and transmitting the instruction received by the receiving step.

ADVANTAGE OF THE INVENTION According to this invention, it is effective in the called party being able to know the purpose and charge of telephone call during an incoming call.

1 is a schematic diagram of a call control system according to a first embodiment; FIG. 1 is a block diagram of a call control system according to a first embodiment; FIG. FIG. 4 is a front view of a teacher terminal and student terminals displaying screens; FIG. 4 is a front view of a teacher terminal and student terminals displaying screens; 4 is a sequence diagram of a call control method according to the first embodiment; FIG. FIG. 4 is a front view of a teacher terminal and student terminals displaying screens; FIG. 11 is a sequence diagram of a call control method according to the second embodiment;

(First embodiment)
[Overview of call control system S]
FIG. 1 is a schematic diagram of a call control system S according to this embodiment. A call control system S includes a call control device 1 , a student terminal 2 and a teacher terminal 3 . The number of student terminals 2 and teacher terminals 3 included in the call control system S is not limited. The call control system S may include devices such as other servers and terminals.

The call control device 1 is a computer (server) that transmits and receives information between the student terminals 2 and the teacher terminal 3 and controls calls between the student terminals 2 and the teacher terminal 3 . A call control device 1 is connected to a network N such as the Internet or a local area network.

The student terminal 2 and the teacher terminal 3 are communication terminals including computers capable of wired or wireless communication. The student terminal 2 and the teacher terminal 3 are, for example, personal computers, mobile terminals such as smartphones and tablet terminals. The student terminal 2 and the teacher terminal 3 transmit and receive information to and from the call control device 1 via the network N. FIG. Also, the student terminal 2 and the teacher terminal 3 communicate with each other via the network N. FIG.

A student terminal 2 (first terminal) is used by a student (first user), and a teacher terminal 3 (second terminal) is used by a teacher (second user). A student is a user who wishes to be taught by a teacher by telephone, and a teacher is a user who wishes to teach a student by telephone. A single user can be both a student and a teacher depending on the purpose of the call. That is, one communication terminal can be either the student terminal 2 or the teacher terminal 3 depending on the purpose of the call.

The outline of the processing executed by the call control system S according to this embodiment will be described below. The student uses the student terminal 2 to select a teacher and designate the purpose and charge of the call. The student terminal 2 transmits the specified purpose and fee to the call control device 1 together with a call instruction to call the selected teacher (a).

The call control device 1 acquires the purpose and charge of the call and an instruction to call the teacher from the student terminal 2 (b). The call control device 1 transmits information indicating the calling student and the purpose and charge of the call to the teacher terminal 3 associated with the teacher indicated by the call instruction (c). After transmitting the purpose and charge of the call to the teacher terminal 3 , the call control device 1 starts making a call from the student terminal 2 to the teacher terminal 3 .

During the incoming call, the teacher terminal 3 displays information indicating the calling student and the purpose and charge of the call (d). After the purpose and charge of the call are displayed on the teacher's terminal 3, the teacher uses the teacher's terminal 3 to select whether or not to make the call. When a call is selected, the teacher terminal 3 transmits a call instruction for establishing a call to the call control device 1 (e).

When receiving a call instruction from the teacher terminal 3, the call control device 1 establishes a call between the student terminal 2 and the teacher terminal 3 (f). The call control device 1 subtracts the charge from the student's money or coin balance and adds the charge to the teacher's money or coin balance, based on the call charge and call duration.

Thus, in the call control system S, the student terminal 2 transmits information indicating the purpose and charge of the call designated by the student, the teacher terminal 3 displays the information indicating the purpose and charge of the call during an incoming call, After that, the teacher accepts a selection as to whether or not to make a call. As a result, the teacher can know the purpose and charge of the call while receiving the call, and can decide whether or not to make the call based on the displayed purpose and charge.

[Configuration of call control system S]
FIG. 2 is a block diagram of the call control system S according to this embodiment. In FIG. 2, arrows indicate main data flows, and there may be data flows other than those shown in FIG. In FIG. 2, each block does not show the configuration in units of hardware (apparatus), but the configuration in units of functions. As such, the blocks shown in FIG. 2 may be implemented within a single device, or may be implemented separately within multiple devices. Data exchange between blocks may be performed via any means such as a data bus, network, or portable storage medium.

The call control device 1 has a control section 11 and a storage section 12 . Control unit 11 includes call condition setting unit 111 , call condition transmission unit 112 , call condition acquisition unit 113 , instruction reception unit 114 , and call control unit 115 . Storage unit 12 has call condition storage unit 121 , user information storage unit 122 , and history information storage unit 123 .

The storage unit 12 is a storage medium including a ROM (Read Only Memory), a RAM (Random Access Memory), a hard disk drive, and the like. The storage unit 12 stores programs executed by the control unit 11 in advance. The storage unit 12 may be provided outside the call control device 1, in which case data may be exchanged with the control unit 11 via a network.

The call condition storage unit 121 stores call conditions that define at least one of purpose information indicating the purpose of the call and charge information regarding the charge of the call. The user information storage unit 122 stores user information of students and teachers. The history information storage unit 123 stores history information indicating call history. The call condition storage unit 121 , the user information storage unit 122 and the history information storage unit 123 may each be a storage area on the storage unit 12 or may be a database configured on the storage unit 12 .

The control unit 11 is, for example, a processor such as a CPU (Central Processing Unit), and by executing a program stored in the storage unit 12, a call condition setting unit 111, a call condition transmission unit 112, a call condition acquisition unit 113, It functions as an instruction reception unit 114 and a call control unit 115 . At least part of the functions of the control unit 11 may be performed by an electric circuit. Moreover, at least part of the functions of the control unit 11 may be executed by a program executed via a network.

The student terminal 2 has a communication section 21 , a display section 22 and an operation section 23 . The communication unit 21 includes communication members such as a processor, connectors, and electric circuits for executing communication. The display unit 22 includes a display device capable of displaying information, such as a liquid crystal display. The operation unit 23 includes an operation device such as a keyboard, a mouse, etc., through which information can be input by a user's operation. The display unit 22 and the operation unit 23 may be configured integrally by using a touch screen capable of detecting the position of contact by the user as the display unit 22 .

The teacher terminal 3 has a communication section 31 , a display section 32 and an operation section 33 . The communication unit 31 includes communication members such as a processor, connectors, and electric circuits for executing communication. The display unit 32 includes a display device capable of displaying information, such as a liquid crystal display. The operation unit 33 includes an operation device such as a keyboard, a mouse, etc., through which information can be input by a user's operation. The display unit 32 and the operation unit 33 may be configured integrally by using a touch screen capable of detecting the position of contact by the user as the display unit 32 .

The call control system S according to this embodiment is not limited to the specific configuration shown in FIG. The call control device 1, the student terminal 2, and the teacher terminal 3 are not limited to one device, and may be configured by connecting two or more physically separated devices by wire or wirelessly.

[Description of communication control method]
Students and teachers register their own information in the call control device 1 in advance. The user information storage unit 122 of the call control device 1 stores identification information (for example, user IDs) for identifying students and teachers, identification information (for example, terminal IDs) for identifying student terminals 2 and teacher terminals 3, names, Stores user information associated with photos, gender, age, and the like. User information also includes balances of money or money equivalents (eg, coins) held by students and teachers. User information also includes ratings that students and teachers have received from other students and teachers.

As preparation, the teacher uses the operation unit 33 of the teacher terminal 3 to perform a predetermined operation to start setting call conditions. The teacher terminal 3 displays the setting screen A on the display unit 32 when the teacher performs a predetermined operation.

3A is a front view of the teacher terminal 3 displaying the setting screen A. FIG. In the setting screen A, the teacher terminal 3 displays a category setting field A1 and a completion button A2. The category setting column A1 accepts the setting of the purpose of the call. The teacher sets one or a plurality of call purposes by pressing the call purpose (category) options displayed in the category setting field A1. The category setting field A1 may accept input of a character string indicating the purpose of the call.

When the teacher presses the completion button A2 after setting the purpose of the call, the teacher terminal 3 displays a charge setting field A3 and a registration button A4 in the setting screen A. The charge setting column A3 accepts setting of call charges in association with each of one or more call purposes selected in the category setting column A1. The call charge may be an amount per unit time, or may be a value (number of coins) corresponding to the amount per unit time. The charge setting field A3 may display options for call charges and accept selection of call charges, or may accept input of numerical values indicating call charges.

When the teacher presses the registration button A4 after setting the call purpose and call charge, the teacher terminal 3 associates the purpose information indicating the set purpose of the call with the charge information indicating the set call charge. Then, the call condition is sent to the call control device 1 . In the call control device 1, the call condition setting unit 111 stores the call condition received from the teacher terminal 3 in the call condition storage unit 121 in association with the identification information of the teacher.

The teacher terminal 3 may accept only one of the purpose of the call and the charge for the call as the call condition. In this case, the call condition setting unit 111 receives the purpose information or charge information set in the teacher terminal 3, associates the call condition indicating the received purpose information or charge information with the identification information of the teacher, and associates the call condition storage unit with the teacher identification information. 121.

When the student wants to make a call, the student uses the operation unit of the student terminal 2 to perform a predetermined operation to start specifying call conditions. When the student performs a predetermined operation, in the call control device 1, the call condition transmission unit 112 acquires the call conditions stored in the call condition storage unit 121, and the user information storage unit 122 stores the call conditions. Get the user information of the teacher who is Call conditions and user information are associated by the teacher's identification information. The call condition transmitting unit 112 then transmits the acquired call conditions and user information to the student terminals 2 . The student terminal 2 displays a calling screen B on the display unit 22 based on the call conditions and user information received from the call control device 1 .

FIG. 3(b) is a front view of the student terminal 2 displaying the calling screen B. FIG. The student terminal 2 displays user information B1, call conditions B2, and a call button B3 in the call screen B for each teacher. The user information B1 includes the teacher's name, photo and evaluation sent by the call control device 1 . The user information B1 may include other information such as gender and age. The call condition B2 includes at least one of the purpose of the call and the charge for the call sent by the call control device 1 .

When the student selects one of the teachers and presses the call button B3, the student terminal 2 displays one or more call purposes B4 associated with the selected teacher and call , the call charge B5 and the available call time B6 are displayed for each purpose B4. The available call time B6 is calculated by dividing the balance of money or coins held by the student transmitted by the call control device 1 by the amount of money or the number of coins per unit time indicated by the charge for the call.

The student designates the purpose of call B4 and the charge B5 of the call included in the area by pressing the area including any one purpose of call B4 among one or more purposes of call B4. This allows the student to refer to and select from a plurality of call purposes available for each teacher, facilitating selection of the teacher and call purpose.

The student terminal 2 may accept input of numerical values for at least one of the purpose of the call and the charge for the call in the calling screen B regardless of the purpose of the call and the charge for the call set by the teacher. Thus, even if the teacher does not set the purpose of the call and the charge for the call on the setting screen A, the student can specify the purpose of the call and the charge for the call.

The student terminal 2 may accept designation only for the purpose of the call. In this case, the call control device 1 receives the purpose of the call designated by the student from the student terminal 2, and based on the call conditions preset by the teacher, the call charge associated with the purpose of the received call is Obtained as charges for calls specified by the student. Further, the student terminal 2 may accept input of a character string of a message in the calling screen B in addition to the purpose of the call and the charge for the call. As a result, the student can specify the purpose of the call, the charge for the call, and a message for each call to send to the teacher.

When the student presses an area including one of the call purposes B4 on the calling screen B, the student terminal 2 converts at least one of the specified purpose information and charge information into a call indicating the identification information of the selected teacher. It is transmitted to the call control device 1 together with the instruction. In addition, when a message is input, the student terminal 2 transmits the input message to the call control device 1 .

In the call control device 1, the call condition acquisition unit 113 receives the purpose information and charge information transmitted by the student terminal 2 and acquires them as call conditions. Receive and get.

The call condition transmission unit 112 acquires user information associated with the identification information of the calling student from the user information storage unit 122 . Then, the call condition transmission unit 112 transmits the acquired user information together with the call condition acquired by the call condition acquisition unit 113 to the teacher terminal 3 associated with the teacher indicated by the call instruction. In addition, when receiving a message from the student terminal 2 , the call condition transmitting section 112 transmits the received message to the teacher terminal 3 .

When the call conditions acquired by the call condition acquisition unit 113 indicate only the purpose information and do not indicate charge information, the call condition transmission unit 112 acquires the charge information associated with the purpose information from the call condition storage unit 121. may In this case, the call condition storage unit 121 stores in advance the purpose of the call and the charge for the call in association with each other. Different call charges may be associated with different call purposes, and the same call charge may be associated with multiple call purposes. Accordingly, the call condition transmission unit 112 can transmit charge information associated with the purpose information in advance to the teacher terminal 3 even when the teacher sets only the purpose information as the call condition.

The call control unit 115 then initiates a call from the student terminal 2 to the teacher terminal 3 . The teacher terminal 3 displays an incoming call screen C on the display unit 32 based on the call conditions and user information received from the call control device 1 .

FIG. 4(a) is a front view of the teacher terminal 3 displaying an incoming call screen C. FIG. The teacher terminal 3 displays, in the incoming call screen C, the user information C1 of the calling student, the purpose information C2, the charge information C3, the call button C4, and the stop button C5. The teacher terminal 3 may display the received message in the incoming call screen C when receiving the message from the call control device 1 .

The user information C1 includes the student's name, photo and evaluation sent by the call control device 1 . The purpose information C2 is the purpose of the call sent by the call control device 1 . The charge information C3 is the call charge sent by the call control device 1 . The teacher terminal 3 may display only one of the purpose information C2 and the fee information C3.

In this way, the teacher terminal 3 displays the purpose of the call and the charge for the call specified by the student while receiving a call from the student. can decide whether or not

When the teacher presses the call button C4, the teacher terminal 3 transmits to the call control device 1 a call instruction for establishing a call. When the teacher presses the stop button C5, the teacher terminal 3 transmits to the call control device 1 a stop instruction for stopping the call. In the call control device 1 , the instruction accepting unit 114 receives and accepts a call instruction or a stop instruction from the teacher terminal 3 .

The call control unit 115 stops calling from the student terminal 2 to the teacher terminal 3 when the instruction receiving unit 114 receives the stop instruction. The call control unit 115 establishes a call between the student terminal 2 and the teacher terminal 3 when the instruction receiving unit 114 receives a call instruction. After the call is established, the teacher terminal 3 displays a call duration C6 and a disconnection button C7 in the incoming call screen C. FIG. The call duration C6 is the duration of the call.

When the teacher presses the disconnection button C7, the teacher terminal 3 transmits a disconnection instruction for disconnecting the call to the call control device 1. FIG. In the call control device 1 , the instruction accepting unit 114 receives and accepts the disconnection instruction from the teacher terminal 3 . The call control unit 115 disconnects the call between the student terminal 2 and the teacher terminal 3 when the instruction receiving unit 114 receives the disconnection instruction.

Further, after the call is established, the student terminal 2 displays the call screen D on the display unit 32 . 4B is a front view of the student terminal 2 displaying the call screen D. FIG. The student terminal 2 displays user information D1 of the teacher making the call, purpose information D2, fee information D3, available call time D4, call time D5, balance D6, and a disconnect button C7 in the call screen D. to display.

The user information D1 includes the teacher's name, photo and evaluation sent by the call control device 1 . The purpose information D2 is the purpose of the call sent by the call control device 1 . The charge information D3 is the call charge sent by the call control device 1 . The student terminal 2 may display only one of the purpose information D2 and the fee information D3.

The available call time D4 is calculated by dividing the balance of money or coins held by the student transmitted by the call control device 1 by the amount of money or the number of coins per unit time indicated by the charge for the call. The call duration D5 is the duration of the call. The balance D6 is the balance of money or coins transmitted by the call control device 1 and held by the student.

When the student presses the disconnect button D7, the student terminal 2 transmits a disconnect instruction for disconnecting the call to the call control device 1. FIG. In the call control device 1 , the instruction accepting unit 114 receives and accepts the disconnection instruction from the student terminal 2 . The call control unit 115 disconnects the call between the student terminal 2 and the teacher terminal 3 when the instruction receiving unit 114 receives the disconnection instruction.

When the call ends, the call control unit 115 charges the student (caller) associated with the student terminal 2 based on the call duration and the charge for the call, or a value (coin number). Then, the call control unit 115 outputs billing information indicating the calculated amount or a value corresponding to the amount. The call control unit 115 may store the billing information in the storage unit 12 or transmit it to an external device.

Further, when the call is stopped or the call is terminated, the call control unit 115 stores the history information in the history information storage unit 123 in association with the identification information of the student or teacher. The history information includes the purpose of the call, the charge for the call, the fact that the call was received or made, and the identification information of the user (student or teacher) to whom the call was received or made for each history of one incoming or outgoing call. , the start time of the incoming or outgoing call, whether or not the call has been established, and the duration of the call.

[Sequence of call control method]
FIG. 5 is a sequence diagram of the call control method according to this embodiment. The teacher terminal 3 displays a setting screen on the display unit 32 when the teacher performs a predetermined operation using the operation unit 33 . The teacher terminal 3 transmits at least one of purpose information indicating the purpose of the call set on the setting screen and charge information indicating the charge for the set call to the call control device 1 as call conditions (S11). In the call control device 1, the call condition setting unit 111 receives the purpose information and charge information set in the teacher terminal 3, associates the call condition indicating the received purpose information and charge information with the identification information of the teacher, and sets the call condition. It is stored in the storage unit 121 (S12).

When the student wants to make a call, the student uses the operation unit of the student terminal 2 to perform a predetermined operation to start specifying call conditions. When the student performs a predetermined operation, in the call control device 1, the call condition transmission unit 112 acquires the call conditions stored in the call condition storage unit 121, and the user information storage unit 122 stores the call conditions. Get the user information of the teacher who is Then, the call condition transmitting unit 112 transmits the acquired call conditions and user information to the student terminal 2 (S13).

Based on the call conditions and user information received from the call control device 1, the student terminal 2 displays a calling screen including the teacher's user information and call conditions set for each teacher on the display unit 22 ( S14). The student selects the teacher to be called and designates the purpose of the call and the charge for the call on the calling screen. The student terminal 2 transmits the call condition indicating at least one of the purpose information and charge information specified on the call screen to the call control device 1 together with a call instruction indicating the identification information of the selected teacher (S15). .

In the call control device 1, the call condition acquisition unit 113 receives the purpose information and charge information transmitted by the student terminal 2 and acquires them as call conditions. Receive and get. The call condition transmission unit 112 acquires user information associated with the identification information of the calling student from the user information storage unit 122 . Then, the call condition transmission unit 112 transmits the acquired user information together with the call condition acquired by the call condition acquisition unit 113 to the teacher terminal 3 associated with the teacher indicated by the call instruction (S16). The call control unit 115 then initiates a call from the student terminal 2 to the teacher terminal 3 .

Based on the call conditions and user information received from the call control device 1, the teacher terminal 3 displays on the display unit 32 an incoming call screen including the user information of the student making the call and the call conditions specified by the student. (S17). When the teacher presses the stop button on the incoming call screen, the call control device 1 stops calling from the student terminal 2 to the teacher terminal 3 . When the teacher presses the call button on the incoming call screen, the teacher terminal 3 transmits a call instruction for establishing a call to the call control device 1 (S18).

In the call control device 1, the call control unit 115 establishes a call between the student terminal 2 and the teacher terminal 3 when the instruction accepting unit 114 accepts the call instruction (S19). When the call is terminated, the call control unit 115 calculates the amount charged to the student associated with the student terminal 2 or a value corresponding to the amount based on the call duration and the charge for the call, and calculates the calculated amount. Alternatively, billing information indicating a value corresponding to the amount is output (S20). Also, the call control unit 115 causes the history information storage unit 123 to store the history information.

[Effects of Embodiment]
In the call control system S according to the present embodiment, a student uses the student terminal 2 to specify the purpose of the call and the charge for the call and make a call. Displays the purpose of the call made and the charge for the call. Therefore, based on the information displayed on the teacher terminal 3, the teacher can determine whether or not to start a call with the student.

(Second embodiment)
After the student calls the teacher and the call is established or the call fails to be established, the teacher may then call back to the student. In such a return call, the call control system S according to the present embodiment charges the callee, the student, not the caller, the teacher.

When the teacher performs an operation for displaying history information on the teacher terminal 3, the call condition acquisition unit 113 in the call control device 1 acquires the history information associated with the identification information of the teacher from the history information storage unit 123. Along with the acquisition, the user information associated with the identification information of the user (teacher or student) indicated by the history information is acquired from the user information storage unit 122 . The call condition transmission unit 112 then transmits the history information and user information acquired by the call condition acquisition unit 113 to the teacher terminal 3 . The teacher terminal 3 displays a history screen E on the display unit 32 based on the history information and user information received from the call control device 1 .

6A is a front view of the teacher terminal 3 displaying the history screen E. FIG. In the history screen E, the teacher terminal 3 displays user information E1 of the incoming or outgoing call partner, call conditions E2, call history E3, and a call button for each incoming or outgoing call history. Labeled as E4.

The user information E1 includes the name, photo, and evaluation sent by the call control device 1 for the user (student or teacher) of the incoming or outgoing call indicated by the history information. The user information E1 may include other information such as gender and age. The call condition E2 includes at least one of the call purpose and call charge indicated by the history information. The call record E3 includes the start time of the incoming or outgoing call indicated by the history information, whether or not the call has been established, the duration of the call, and the like.

When the teacher selects one of the histories and presses the call button E4, the teacher terminal 3 determines whether or not the call is a return call. If the selected history is not an incoming call from a student, the teacher terminal 3 initiates a call as in the first embodiment. That is, the teacher terminal 3 calls the teacher, who is the caller, as the student, and calls the other party in the history as the teacher.

If the selected history is an incoming call from a student, the teacher terminal 3 determines that the call is a return call, and starts return call processing as follows. When starting the return call process, the teacher terminal 3 displays a notification E5 and an OK button E6 in the history screen E. The notification E5 contains a character string indicating that the caller, the teacher, will not be charged for the return call. This allows the teacher to recognize that the call is being returned.

When the teacher presses the determination button E6 indicating that the return call is not to be made, the teacher terminal 3 terminates the process without making a call. When the teacher presses the decision button E6 indicating that the call will be returned, the teacher terminal 3 sets the call condition indicated by the selected history and the call instruction indicating the identification information of the student indicated by the selected history. Send to control device 1 .

In the call control device 1 , the call condition acquisition unit 113 receives and acquires the call conditions transmitted by the teacher terminal 3 , and the instruction reception unit 114 receives and acquires the call instruction transmitted by the teacher terminal 3 .

The call condition transmission unit 112 acquires from the user information storage unit 122 the user information associated with the identification information of the calling teacher. Then, the call condition transmission unit 112 transmits the acquired user information together with the call condition acquired by the call condition acquisition unit 113 to the student terminal 2 associated with the student indicated by the call instruction.

The call control unit 115 then initiates a call from the teacher terminal 3 to the student terminal 2 . The student terminal 2 displays an incoming call screen F on the display unit 22 based on the call conditions and user information received from the call control device 1 .

6B is a front view of the student terminal 2 displaying the incoming call screen F. FIG. The student terminal 2 and the teacher terminal 3 display the user information F1 of the calling teacher and the notification F2 in the incoming call screen C. FIG.

The user information F1 includes the teacher's name, photo and evaluation sent by the call control device 1 . The notification F2 includes at least one of the purpose of the call and the charge of the call sent by the call control device 1, and a character string indicating that the student who is the called party will be charged for the return call. This allows the student to know that he or she will be charged for the return call before the call begins.

Thereafter, as in FIG. 4, the call control system S starts a call, disconnects a call, or stops a call according to each user's operation. When the call is disconnected, the call control unit 115 sets the amount charged to the student (called party) associated with the student terminal 2 or a value (coin number). Then, the call control unit 115 outputs billing information indicating the calculated amount or a value corresponding to the amount. The call control unit 115 may store the billing information in the storage unit 12 or transmit it to an external device.

FIG. 7 is a sequence diagram of the call control method according to this embodiment. When the teacher performs an operation for displaying history information on the teacher terminal 3, the call condition acquisition unit 113 in the call control device 1 acquires the history information associated with the identification information of the teacher from the history information storage unit 123. Along with the acquisition, the user information associated with the user identification information indicated by the history information is acquired from the user information storage unit 122 . The call condition transmission unit 112 transmits the history information and user information acquired by the call condition acquisition unit 113 to the teacher terminal 3 (S21).

Based on the history information and the user information received from the call control device 1, the teacher terminal 3 displays a history screen including the history of outgoing or incoming calls and the user information of the incoming or outgoing call indicated by the history information. It is displayed on the display unit 32 (S22). The teacher selects the call back history and presses the call button. At this time, the teacher terminal 3 displays on the display unit 32 a notification indicating that the caller, the teacher, will not be charged for the return call. After that, the teacher terminal 3 transmits to the call control device 1 the call condition indicated by the selected history and the call instruction indicating the identification information of the student indicated by the selected history (S23).

In the call control device 1 , the call condition acquisition unit 113 receives and acquires the call conditions transmitted by the teacher terminal 3 , and the instruction reception unit 114 receives and acquires the call instruction transmitted by the teacher terminal 3 . The call condition transmission unit 112 acquires from the user information storage unit 122 the user information associated with the identification information of the calling teacher. Then, the call condition transmission unit 112 transmits the acquired user information together with the call condition acquired by the call condition acquisition unit 113 to the student terminal 2 associated with the student indicated by the call instruction (S24). The call control unit 115 then initiates a call from the teacher terminal 3 to the student terminal 2 .

Based on the call conditions and user information received from the call control device 1, the student terminal 2 receives the user information of the teacher making the call and a notice indicating that the student who is the called party will be charged for the return call. is displayed on the display unit 22 (S25).

When the student presses the stop button on the incoming call screen, the call control device 1 stops calling the student terminal 2 from the teacher terminal 3 . When the student presses the call button on the incoming call screen, the student terminal 2 transmits a call instruction for establishing a call to the call control device 1 (S26).

In the call control device 1, the call control unit 115 establishes a call between the student terminal 2 and the teacher terminal 3 when the instruction accepting unit 114 accepts the call instruction (S27). When the call is terminated, the call control unit 115 calculates the amount charged to the student associated with the student terminal 2 or a value corresponding to the amount based on the call duration and the charge for the call, and calculates the calculated amount. Alternatively, billing information indicating a value corresponding to the amount is output (S28). Also, the call control unit 115 causes the history information storage unit 123 to store the history information.

[Effects of Embodiment]
In the call control system S according to the present embodiment, when the student once calls the teacher and then the teacher returns the call to the student, the call control device 1 receives the call instead of the caller, the teacher. charge the student who is the Therefore, even if the calling party and the called party are reversed due to a return call, the student can appropriately pay the fee to the teacher.

Although the present invention has been described above using the embodiments, the technical scope of the present invention is not limited to the scope described in the above embodiments, and various modifications and changes are possible within the scope of the gist thereof. be. For example, the specific embodiment of the distributed/integrated device is not limited to the above-described embodiments, and all or part of it may be functionally or physically distributed/integrated in arbitrary units. can be done. Further, new embodiments resulting from arbitrary combinations of multiple embodiments are also included in the embodiments of the present invention. The effect of the new embodiment caused by the combination has the effect of the original embodiment.

The processors of the call control device 1, the student terminal 2 and the teacher terminal 3 are the subjects of each step (process) included in the call control method shown in FIGS. That is, the processors of the call control device 1, the student terminals 2, and the teacher terminal 3 read out from the storage units programs for executing the call control methods shown in FIGS. , the call control method shown in FIGS. 5 and 7 is executed. Some of the steps included in the call control methods shown in FIGS. 5 and 7 may be omitted, the order between steps may be changed, and a plurality of steps may be performed in parallel.

S call control system 1 call control device 11 control unit 111 call condition setting unit 112 call condition transmission unit 113 call condition acquisition unit 114 instruction reception unit 115 call control unit 12 storage unit 121 call condition storage unit 2 student terminal 21 communication unit 22 display Unit 23 Operation unit 3 Teacher terminal 31 Communication unit 32 Display unit 33 Operation unit

Claims (7)

Purpose information indicating the purpose of a call set in a called terminal, which is a called terminal, and charge information regarding a call charge set for the purpose information in the called terminal are associated with each other. a storage unit that stores
a first transmission unit configured to transmit one or more pieces of the purpose information and the charge information stored in the storage unit to a calling terminal, which is a calling terminal;
Acquisition of acquiring from the calling terminal the purpose information and the charge information specified from one or more of the purpose information and the charge information transmitted by the first transmitting unit in the calling terminal Department and
a second transmission unit configured to transmit the purpose information and the fee information acquired by the acquisition unit to the called terminal after the calling terminal has called the called terminal;
After the purpose information and the charge information transmitted by the second transmitting unit are displayed on the called terminal, the instruction to establish a call between the calling terminal and the called terminal is provided to the calling terminal. a reception unit that receives from a called terminal;
A call control device having a a plurality of the purpose information set in the called terminal and the charge information set for each of the plurality of purpose information before the acquisition unit acquires the purpose information and the charge information ; from the called terminal and stored in the storage unit. The acquisition unit further acquires a character string input at the calling terminal in addition to the purpose information and the fee information ,
3. The call control device according to claim 1, wherein said second transmission unit transmits said character string acquired by said acquisition unit to said called terminal in addition to said purpose information and said charge information. . When the receiving unit receives the instruction from the called terminal, it outputs charging information indicating a charge to be charged to the user associated with the calling terminal based on the purpose information and the charge information . 4. The call control device according to any one of claims 1 to 3 , further comprising a call control unit for When the called terminal calls the calling terminal after the calling terminal calls the called terminal, the second transmitting unit receives the purpose acquired by the acquiring unit. information and the charge information to the calling terminal;
the receiving unit receives the instruction from the calling terminal after the purpose information and the fee information transmitted by the second transmitting unit are displayed on the calling terminal;
The call control unit imposes on the user associated with the calling terminal based on the purpose information and the fee information when the reception unit receives the instruction from the calling terminal. 5. The call control device according to claim 4 , which outputs billing information indicating charges. A call control device , a call originating terminal, and a call destination terminal,
The call control device
a storage unit that associates and stores purpose information indicating the purpose of the call set in the called terminal and charge information related to the call charge set for the purpose information in the called terminal;
a first transmission unit configured to transmit one or more pieces of the purpose information and the charge information stored in the storage unit to the calling terminal;
Acquisition of acquiring from the calling terminal the purpose information and the charge information specified from one or more of the purpose information and the charge information transmitted by the first transmitting unit in the calling terminal Department and
a second transmission unit configured to transmit the purpose information and the fee information acquired by the acquisition unit to the called terminal after the calling terminal has called the called terminal;
After the purpose information and the charge information transmitted by the second transmitting unit are displayed on the called terminal, the instruction to establish a call between the calling terminal and the called terminal is provided to the calling terminal. a reception unit that receives from a called terminal;
has
The calling terminal,
an operation unit for designating the purpose information and the charge information from one or more of the purpose information and the charge information received from the call control device ;
a communication unit configured to transmit the purpose information and the charge information specified by the operation unit of the calling terminal to the call control device;
has
The called terminal,
a display unit for displaying the purpose information and the charge information received from the call control device;
an operation unit for inputting the instruction after the display unit displays the purpose information and the fee information ;
a communication unit that transmits the instruction input by the operation unit of the called terminal to the call control device. an acquisition unit that acquires from the first terminal at least one of purpose information indicating the purpose of the call designated in the first terminal and charge information related to the charge of the call;
a transmission unit configured to transmit at least one of the purpose information and the fee information acquired by the acquisition unit to the second terminal after the first terminal calls a second terminal different from the first terminal;
After at least one of the purpose information and the fee information transmitted by the transmitting unit is displayed on the second terminal, the second terminal issues an instruction to establish a call between the first terminal and the second terminal. a reception unit that receives from
When the receiving unit receives the instruction from the second terminal, it outputs charging information indicating a charge to be charged to the user associated with the first terminal based on at least one of the purpose information and the charge information. a call control unit that
has
When the second terminal calls the first terminal after the first terminal calls the second terminal, the transmission unit receives the purpose information and the charge information acquired by the acquisition unit. at least one of which is transmitted to the first terminal;
the reception unit receives the instruction from the first terminal after at least one of the purpose information and the charge information transmitted by the transmission unit is displayed on the first terminal;
The call control unit imposes on the user associated with the first terminal based on at least one of the purpose information and the charge information when the reception unit receives the instruction from the first terminal Output billing information indicating charges,
Call control device.

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