Private branch exchange, power supply management system, and private branch exchange control method and control program

Abstract

Reduce standby power consumption on the phone. [Solution] A private branch exchange connected to a power supply hub having multiple power supply ports that supply power to telephones installed at each seat in a working space where multiple seats are installed. The private branch exchange includes a call receiving unit that receives an incoming call from a user communication terminal with an identification number assigned to a telephone (specific telephone) installed at the seat that should be turned on, an identification unit that identifies a port number of the power supply hub that corresponds to the identification number received by the call receiving unit, and a transmission unit that transmits a command to the power supply hub to supply power at the power supply port that corresponds to the port number identified by the identification unit.

Description

[Technical field]

[0001] The present disclosure relates to a private branch exchange, a power supply management system, and a control method and control program for the private branch exchange. [Background technology]

[0002] As a result of work style reforms and COVID-19 countermeasures, teleworking has become commonplace and people can freely choose their working style (office work / teleworking). As a result, equipment that was assigned to individuals or groups has become idle, resulting in unnecessary standby electricity consumption.

[0003] Patent Document 1 describes an Internet Protocol (IP) telephone system that controls power supply to a plurality of IP telephones. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] JP 2006-197104 A Summary of the Invention [Problem to be solved by the invention]

[0005] The above prior art documents are incorporated herein by reference.

[0006] The following analysis was performed by the inventors.

[0007] However, in actual operation of the above-mentioned IP telephone system, power supply control is performed at predetermined times such as at night and on holidays, and power is also supplied to unused telephones used by people who do not come into the office, consuming standby power.

[0008] An object of the present disclosure is to provide a power supply management system that can contribute to reducing standby power consumption of telephone sets. [Means for solving the problem]

[0009] (1) A first aspect of the present disclosure provides an on-site branch exchange connected to a power supply hub having a plurality of power supply ports that supply power to telephone sets installed at each seat in a working space having a plurality of seats. The private branch exchange comprises: a call receiving unit that receives an incoming call from a user communication terminal, the call having an identification number assigned to a telephone set installed in a seat and whose power should be turned on (hereinafter referred to as a "specific telephone set"); an identification unit that identifies a port number of the power supply hub corresponding to the identification number received by the call receiving unit; a transmission section that transmits, to the power supply hub, a command for supplying power to the power supply port corresponding to the port number identified by the identification section; Contains , and The identification number of the specific telephone is visibly displayed on the telephone or its seat, The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number + separator number (e.g., #) + identification number" or Or, The identification number of a specific phone is recorded in an IC chip embedded in an identifier or NFC tag installed on the phone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds the identification number to the call to the private branch exchange. It is characterized by: (2) According to the second aspect of the present disclosure, The private branch exchange of the present disclosure, and A power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats and connected to the private branch exchange. A power supply management system is provided, including: In the power supply management system, The call receiving unit of the private branch exchange receives an incoming call from a user communication terminal to which an identification number assigned to a specific telephone is added. It is characterized by: (3) A third aspect of the present disclosure provides a method for controlling a private branch exchange connected to a power supply hub having a plurality of power supply ports that supply power to telephone sets installed at each seat in a working space where a plurality of seats are installed. The control method includes: a step of the private branch exchange receiving an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; the private branch exchange identifying a port number of the power supply hub corresponding to the identification number; and A step in which the private branch exchange transmits, to the power supply hub, a command to supply power to the power supply port corresponding to the identified port number. Contains , and The identification number of the specific telephone is visibly displayed on the telephone or its seat, The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number + separator number (e.g., #) + identification number" or Or, The identification number of a specific phone is recorded in an IC chip embedded in an identifier or NFC tag installed on the phone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds the identification number to the call to the private branch exchange. It is characterized by: (4) A fourth aspect of the present disclosure provides a control program for a private branch exchange connected to a power supply hub having a plurality of power supply ports that supply power to telephone sets installed at each seat in a working space having a plurality of seats. The control program includes: A process in which the private branch exchange receives an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; A process in which the private branch exchange identifies a port number of the power supply hub corresponding to the identification number; and A process in which the power supply hub supplies power to a power supply port corresponding to the identified port number. To carry out , and The identification number of the specific telephone is visibly displayed on the telephone or its seat, The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number + separator number (e.g., #) + identification number" or Or, The identification number of a specific phone is recorded in an IC chip embedded in an identifier or NFC tag installed on the phone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds the identification number to the call to the private branch exchange. It is characterized by: Effect of the Invention

[0010] The present disclosure and each of its aspects can contribute to reducing standby power consumption of telephones. [Brief description of the drawings]

[0011] [Figure 1] FIG. 1 is a schematic diagram of an example of a power supply management system of the present disclosure used in an example working space. [Diagram 2] 1 is a block diagram of an example of a private branch exchange of the present disclosure. [Diagram 3] 13 is an example of a telephone information table. [Figure 4] FIG. 2 is a block diagram of an example of a seat management server of the present disclosure. [Diagram 5] 4 is a timing chart of an example of the operation of the power supply management system. [Figure 6] FIG. 13 is a schematic diagram of another example of a power supply management system of the present disclosure used in an example of a working space. [Figure 7] FIG. 2 is a block diagram of another example of a private branch exchange of the present disclosure. [Figure 8] 10 is a timing chart of an example of the operation of another example of a power supply management system. [Figure 9] 1 is an example of a hardware resource configuration. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0012] Preferred embodiments of the present disclosure will be described below, but the present disclosure is not limited thereto. (Mode 1) See the first aspect of this disclosure above. 。 ( form 2 ) See the second aspect of this disclosure supra. (form 3 )See the third aspect of this disclosure, supra. (form 4 )See the fourth aspect of this disclosure, supra.

[0013] The present disclosure can also be embodied as a computer-executable program, and the program can be recorded in a computer-readable non-transient (non-transient) storage medium. That is, the present disclosure can also be embodied as a computer program product. The program is input to a computer device from an input device or an external device via a communication interface, stored in a storage device, drives a processor according to a predetermined step or process, and can display the processing result, including an intermediate state as necessary, at each stage via a display device, or can communicate with an internal or external device (including a computer) via the communication interface, whether wired or wireless. A computer device for this purpose, as an example, typically includes a processor, a storage device, an input device, a communication interface, and a display device as necessary, which can be connected to each other via a bus.

[0014] The outline of the present disclosure will be described below. The reference numerals in the drawings attached to this outline are intended solely to aid in the understanding of the present disclosure, and are not intended to limit the present disclosure to the illustrated embodiment. The connecting lines between the blocks in each drawing include both bidirectional and unidirectional. The unidirectional arrows are intended to diagrammatically indicate the flow of signals, information, data, etc., and do not exclude bidirectionality. Furthermore, the connections between the blocks in each drawing can be either wired or wireless. Furthermore, the program is executed via a computer device, which includes, for example, a processor, a storage device, an input device, a communication interface, and a display device as necessary, and the computer device is configured to be capable of communicating with devices (including computers) within or outside the device via the communication interface, regardless of whether it is wired or wireless.

[0015] Furthermore, in the following description and drawings, elements having the same or common functionality are designated with the same drawing reference numbers.

[0016] In this disclosure, a private branch exchange is a telephone exchange that connects multiple private branch telephones to a public telephone network and performs call control, and controls calls made and received from outside lines, calls between internal lines, etc. The private branch exchange of the present disclosure is further configured to control the power supply to each telephone via a power supply hub.

[0017] Furthermore, in the present disclosure, the power supply management system can be configured as an on-premise CTI (Computer Telephony Integration) system or part thereof in which a seat management server etc. is installed within a company etc., or as a cloud-based CTI system or part thereof in which a seat management server etc. is installed on the cloud.

[0018] Furthermore, in the present disclosure, the working space may be a company's own office, including a satellite office, or a shared office, such as a shared office or coworking space. The seats in the working space may be fixed seats that are assigned to each user in advance, or free seats (free address) that the user can freely select, or a mixture of fixed and free seats. When the working space is a shared office, it is assumed that there is no concept of coming to work and leaving work, and in this case, coming to work and leaving work shall be appropriately interpreted as, for example, entering and leaving, depending on the usage form of the shared office.

[0019] Furthermore, in this disclosure, a telephone refers to a fixed telephone, particularly a multi-function telephone, that is installed and used in a seat, but may be any type of telephone whose power can be turned on / off, for example via a power supply hub.

[0020] Furthermore, in the present disclosure, an information terminal is typically a desktop PC (Personal computer), but is not limited to this and may be any information terminal (such as a tablet terminal) that is connectable to the seat management server 3 described below and capable of logging in to the seat management server 3, regardless of whether it is wireless or wired.

[0021] Furthermore, in the present disclosure, a user communication terminal is typically a mobile phone such as a smartphone, but is not limited to this, and may be, for example, any device capable of sending and receiving data, such as a mobile PC, a tablet terminal, a PDA (Personal Digital Assistant), etc., and preferably has an imaging function and / or a short-range wireless communication function.

[0022] Furthermore, in this disclosure, a "connection" may include both wireless and wired systems.

[0023] (An example of a power supply management system) FIG. 1 is a schematic diagram of an example of a power supply management system according to the present disclosure used in an example of a working space.

[0024] The illustrated working space 6 includes telephones 51, 52, ... n (n is a natural number of 2 or more) and further comprises a time attendance management terminal 8. The time attendance management terminal 8 shown in the figure is installed in an internal area of ​​the working space 6 near its entrance / exit 7, but it can also be installed in an external area of ​​the working space 6, or can be installed away from the entrance / exit 7.

[0025] The power supply management system 1 includes a private branch exchange 2, a seat management server 3, and a power supply hub 4. The private branch exchange 2 and the seat management server 3 are connected to a network (intranet, internet, etc.). In this example, the seat management server 3 may be an on-premise type or a cloud type, the working space 6 may be a company's own office or a shared office, and the seats may be fixed seats or unreserved seats.

[0026] The private branch exchange 2 includes a seat management server 3 that manages a plurality of seats installed in a working space 6, and telephones 51, 52, ... 5 installed in each seat of the working space 6. n A power supply hub 4 having a plurality of power supply ports for supplying power to each of the telephones 51, 52, ...5 is connected to the power supply hub 4. nis connected to the private branch exchange 2 via a power supply hub 4 by a LAN (Local Area Network) cable.

[0027] (An example of a private branch exchange) FIG. 2 is a block diagram of an example of a private branch exchange 2 of the present disclosure.

[0028] The private branch exchange 2 includes a receiving unit 2a, a specifying unit 2b, a transmitting unit 2c, and a control unit 2d.

[0029] The receiving unit 2a is configured to receive an identification number assigned to a specific telephone (a telephone that is installed in a seat reserved by a user and should be turned on). In this example, the private branch exchange 2 or the receiving unit 2a receives the identification number of the specific telephone from the seat management server 3.

[0030] The identification unit 2b is configured to receive the identification number received by the receiving unit 2a from the receiving unit 2a, and identify the port number of the power supply hub 4 corresponding to this identification number. This identification can be performed, for example, by checking the identification number acquired from the receiving unit 2a against telephone information (FIG. 3) stored in a storage unit (not shown) of the private branch exchange 2. The storage unit stores telephone information for each of the telephones 51, 52, ...5 n For example, each telephone 51, 52, ... 5 n The MAC (Media Access Control) address, port number, and identification number of each telephone are stored in the form of a telephone information table as shown in Fig. 3. The storage unit can also store extension numbers, etc., as shown in Fig. 3.

[0031] The transmitting unit 2c is configured to receive the port number identified by the identifying unit 2b from the identifying unit 2b, and transmit to the power supply hub 4 a command to supply power to the power supply port corresponding to this port number (i.e., to turn on the power of the specific telephone set).

[0032] The control unit 2d is configured to control the operations of the receiving unit 2a, the identifying unit 2b, the transmitting unit 2c, and the storing unit.

[0033] (An example of a seat management server) FIG. 4 is a block diagram of an example of a seat management server of the present disclosure.

[0034] The seat management server 3 includes a storage unit 3a, a determination unit 3b, a transmission unit 3c, and a control unit 3d.

[0035] (Storage part) The storage unit 3a stores telephones 51, 52, . . . 5 installed at each of a plurality of seats. n The storage unit 3a further stores the positions of the seats (seat positions) in the working space 6, and in particular the telephones 51, 52, ... n The identification number of the device can be stored in association with the device.

[0036] (Judgment Department) The determination unit 3b is configured to determine whether or not a seat has been reserved by a user.

[0037] Regarding the determination as to whether or not a seat has been reserved by the user, the determination unit 3b can determine that a seat has been reserved by the user in, for example, the following cases (1) to (3) (but is not limited to these cases).

[0038] (1) When a user logs in to the seat management server 3 connected to an information terminal installed in a seat.

[0039] (2) The judgment unit 3b or the seat management server 3 receives the telephones 51, 52, ... 5 n When the identification number assigned to the user is obtained from the user communication terminal.

[0040] Telephone 51, 52,…5 nThe identification number assigned to the user may be recorded, for example, in an identifier (QR (Quick Response) code (registered trademark), barcode, etc.) attached to the telephone or the seat on which the telephone is installed. In this case, the user captures an image of the identifier using an imaging function (camera, etc.) of the user communication terminal, and transmits the identification number (including information) recorded in the identifier to the determination unit 3b or the seat management server 3.

[0041] Also, telephones 51, 52, … 5 n The identification number assigned to the user can be recorded, for example, in an IC (Integrated Circuit) chip built into an NFC (Near Field Communication) tag provided on the telephone or the seat on which the telephone is installed. In this case, the user reads the identification number (including information) recorded on the IC chip using the short-distance wireless communication function of the user communication terminal, and transmits it to the determination unit 3b or the seat management server 3.

[0042] Also, telephones 51, 52, … 5 n The identification number assigned to the user can be displayed on the telephone or the seat where the telephone is installed. In this case, the user notifies the seat management server 3 or the determination unit 3b of the identification number by sending it to the reception email address using the user communication terminal.

[0043] (3) When a user registers the use of a seat from a specific date and time on an information terminal connected to the seat management server 3.

[0044] This can be done, for example, by a user who is already logged in using an application with a seat reservation function (hereinafter also referred to as the "seat reservation application") on an information terminal installed at that seat to register (reserve) the use of the seat from a specific date and time the next day or later (including a specific time later on the same day).

[0045] 1 may function as an information terminal directly or indirectly connected to the seat management server 3. In this case, if a seat reservation application (or a part thereof) can be executed on the attendance management terminal 8, the user can perform the above registration (reservation) on the attendance management terminal 8 when leaving the working space 6 (e.g., clocking out). Furthermore, the user can perform the above registration (reservation) on the attendance management terminal 8 when entering the working space 6 (e.g., clocking in). In this case, the determination unit 3b can determine that the user has reserved a seat at the same time as the registration (reservation).

[0046] In addition, the user communication terminal can also function as an information terminal. In this case, if the user communication terminal can execute a seat reservation application (or a part of it), the user can make the above registration (reservation) regardless of time and place.

[0047] Furthermore, the specific date and time is set by the user, but may be a predetermined specific time such as the start time of work.

[0048] In addition, the seats in each of the above examples may be either fixed seats or unreserved seats, but in the case of fixed seats in particular, it is possible to pre-register the arrival time of each user in the seat management server 3 and determine that the user has reserved a seat at that time.

[0049] (Transmitter) The transmission unit 3c is configured to transmit the identification number assigned to the specific telephone set to the private branch exchange 2 when the determination unit 3b determines that the seat has been reserved by the user.

[0050] In the case of the determination example (3) of whether or not a seat has been reserved by a user, the transmission unit 3c is configured to transmit to the private branch exchange 2 the identification number of the specific telephone set at the specific date and time, or to transmit, together with the identification number, a command to wait for power supply to the specific telephone set until the specific date and time.

[0051] The control unit 3d is configured to control the operations of the storage unit 3a, the determination unit 3b, and the transmission unit 3c.

[0052] (Example of operation) 5 shows a timing chart of an example of the operation of the power supply management system of this embodiment. It is assumed that the power of the telephones of unreserved seats is turned off.

[0053] First, a user reserves a seat with the seat management server 3 (S1). Note that "S" stands for step.

[0054] Next, the seat management server 3 identifies the telephone set installed in the reserved seat (S2), and transmits the identification number of the identified telephone set to the private branch exchange 2 (S3).

[0055] Next, the private branch exchange 2 identifies the port number of the power supply hub 4 that corresponds to the received identification number (S4), and commands the power supply hub 4 to turn on the power supply port of the identified port number (S5). In response, the power supply of the specific telephone is turned on (S6).

[0056] In this way, the present disclosure links the private branch exchange with a seat management system, making it possible to turn on only the telephones for users who are working in the working space, such as employees who have come to the office, thereby avoiding unnecessary consumption of standby power.

[0057] (Another example of a power supply management system) FIG. 6 is a schematic diagram of another example of a power supply management system of the present disclosure used in an example of a working space, and FIG. 7 is a block diagram of an example of a private branch exchange constituting the power supply management system shown in FIG.

[0058] Among the components of the working space and the power supply management system shown in Fig. 6, the components common to the working space and the power supply management system shown in Fig. 1 will not be described. Note that in this example, the working space 6 may be a company office or a shared office, and the seats may be fixed or unreserved.

[0059] The power supply management system 1' includes a private branch exchange 2' and a power supply hub 4 connected to the private branch exchange 2'.

[0060] The private branch exchange 2' is configured to include an incoming call receiving unit 2e instead of (or in addition to) the receiving unit 2a in the private branch exchange 2 shown in Fig. 2. Note that the private branch exchange 2' may be configured such that the receiving unit 2a in the private branch exchange 2 also has the function of the incoming call receiving unit 2e.

[0061] The incoming call receiving unit 2e is configured to receive an incoming call having an identification number assigned to a specific telephone set from a user communication terminal connected to the private branch exchange 2'.

[0062] In this case, the identification number of a specific telephone is visibly displayed on the telephone or its seat, etc., and the user uses the user communication terminal to call this identification number to the private branch exchange 2', for example, in the form of "reception telephone number + separator number (such as #) + identification number," and the incoming call receiving unit 2e receives the incoming call with this identification number added.

[0063] In addition, the identification number of the specific telephone is recorded in an IC chip built into the identifier or NFC tag, and the user communication terminal can read the identification number of the specific telephone from these and, in particular, automatically add this identification number when making a call to the private branch exchange 2'.

[0064] The configurations and operations of the identification unit 2b, transmission unit 2c and control unit 2d of the private branch exchange 2' are similar to those of the identification unit 2b, transmission unit 2c and control unit 2d of the private branch exchange 2 shown in FIG.

[0065] (Example of operation) 8 shows a timing chart of an example of the operation of the power supply management system of this embodiment. It is assumed that the power of the telephones of unreserved seats is turned off.

[0066] First, the user calls the private branch exchange 2' using the user communication terminal and inputs the identification number of the seat to be reserved or the telephone set to which the seat is to be reserved (S10).

[0067] Next, the private branch exchange 2' identifies the port number of the power supply hub 4 that corresponds to the received identification number (S20), and commands the power supply hub 4 to turn on the power supply port of the identified port number (S30). In response, the power supply of the specific telephone is turned on (S40).

[0068] In this way, the present disclosure makes it possible to turn on the power of only the telephone set for users who are working in the working space, such as employees who have come to the office, thereby making it possible to avoid unnecessary consumption of standby power.

[0069] Furthermore, in this example, since the private branch exchange 2' directly receives the identification number of the specific telephone, there is no need for the seat management server 3. However, the power supply management system 1' can additionally include the above-mentioned seat management server 3, and this configuration is not excluded from the present disclosure.

[0070] (Advanced example) In each of the above examples, telephones 51, 52, ... 5 n The power supply can also be turned off at a predetermined time (for example, at the end of work hours).

[0071] Furthermore, telephones 51, 52, …5 n The power of each of the telephones 51, 52, ...53 of the seats can be turned off, for example, when the user logs off on the information terminal installed at the seat when clocking out, or when the user registers clocking out in the seat management server 3 via the attendance management terminal 8. In this case, for example, the determination unit 3b determines that the reservation of the seat has ended when the user logs off or registers clocking out, and the transmission unit 3c transmits the power to the telephones 51, 52, ...53 of the seats. n The identification number of the power supply hub 4 is transmitted to the private branch exchange 2, 2', and the private branch exchange 2, 2' instructs the power supply hub 4 to turn off the power supply port corresponding to the identification number.

[0072] Further, in this example, telephones 51, 52, . . . 5 are connected to users who have reserved seats. n In order to enable the operation of setting (extension number / call number / phone book / call history / function buttons, etc.), telephones 51, 52, ... 5 n However, if such an operation is not required, an extension number may be used instead of the identification number.

[0073] The above control unit (or control circuit) can be configured using so-called hardware resources (information processing device, computer), and can use one having the configuration exemplified in Fig. 9. For example, the hardware resource 1000 can include a processor 1001, a memory 1002, a network interface 1003, etc., which are connected to each other by an internal bus 1004.

[0074] 9 is not intended to limit the hardware configuration of the hardware resource 1000. The hardware resource 1000 may include hardware (e.g., an input / output interface) that is not shown. The processor 1001 may be, for example, a central processing unit (CPU), a microprocessor unit (MPU), or a graphics processing unit (GPU).

[0075] Furthermore, for example, a random access memory (RAM), a read only memory (ROM), a hard disk drive (HDD), a solid state drive (SSD), etc. can be used for the memory 1002. Here, the memory 1002 can store a predetermined threshold value related to the above-mentioned predetermined physical quantity, and can also store a control program for performing the above-mentioned control.

[0076] Furthermore, the network interface 1003 may be, for example, a LAN (Local Area Network) card, a network adapter, a network interface card, or the like.

[0077] Furthermore, the functions of the hardware resource 1000 are realized by a processing module. The processing module is realized, for example, by the processor 1001 executing a program stored in the memory 1002. The program can be updated by downloading it via a network or by using a storage medium storing the program. Furthermore, the processing module may be realized by a semiconductor chip. That is, it is sufficient that the functions performed by the processing module can be realized by executing software on some kind of hardware.

[0078] A part or all of the above-described embodiments may be described as, but is not limited to, the following supplementary notes. [Appendix 1] An in-house exchange connected to a power supply hub having multiple power supply ports that supply power to each telephone installed at each seat in a working space having multiple seats. The private branch exchange comprises: a receiving unit for receiving an identification number assigned to a telephone set (hereinafter referred to as a "specific telephone set") that is installed in a seat reserved by a user and that should be turned on; an identification unit that identifies a port number of the power supply hub that corresponds to the identification number received by the receiving unit; a transmission section that transmits, to the power supply hub, a command for supplying power to the power supply port corresponding to the port number identified by the identification section; Includes. [Appendix 2] A seat management server that manages multiple seats installed in the working space. The seat management server is connected to a private branch exchange which is connected to a power supply hub having a plurality of power supply ports for supplying power to the telephones installed in the respective seats of the working space. The seat management server includes: a storage unit that stores an identification number assigned to a telephone set installed at each of the plurality of seats; A determination unit that determines whether or not a seat has been reserved by a user; a transmission section for transmitting an identification number assigned to the specific telephone set to the private branch exchange when the determination section determines that the seat has been reserved by the user; Includes. [Appendix 2'] In the above seat management server, The storage unit further stores the positions of a plurality of seats (seat positions) in the working space, in particular in association with the identification numbers of the telephones installed in each of the seats. [Appendix 3] In the above seat management server, The determination unit determines that a seat has been reserved by a user when the user uses an information terminal installed at a seat to log in to the seat management server connected to the information terminal. [Appendix 4] In the above seat management server, The determining unit determines that the seat has been reserved by the user when the determining unit acquires, from the user communication terminal, an identification number assigned to a telephone set installed at the seat. [Appendix 5] In the above seat management server, said identification number being recorded in an identifier assigned to said telephone; The determination unit receives the identification number (information including the identification number) recorded in the identifier captured by the user communication terminal. [Appendix 5'] In the above seat management server, The identification number is recorded in an IC chip embedded in an NFC tag installed in the phone or its seat; The user communication terminal uses its short-range wireless communication function to read the identification number (or information including the identification number) recorded in the IC chip, and transmits it to a determination unit or a seat management server. [Appendix 6] In the above seat management server, the determination unit determines that the seat has been reserved by the user when the user registers the use of the seat from a specific date and time on an information terminal connected to the seat management server; The transmitting unit transmits the identification number to the private branch exchange at the specific date and time, or transmits, together with the identification number, a command to the private branch exchange to wait for power supply to the telephone set until the specific date and time. [Appendix 7] The private branch exchange, The seat management server; and A power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats and connected to the private branch exchange. A power supply management system including: The receiving section of the private branch exchange receives an identification number assigned to a specific telephone from the seat management server. [Appendix 8] A method for controlling a private branch exchange connected to a power supply hub having a plurality of power supply ports that supply power to telephones installed at each seat in a working space having a plurality of seats. The control method includes: a step of receiving, by the private branch exchange, an identification number assigned to a specific telephone set from a seat management server connected to the private branch exchange and managing the plurality of seats; the private branch exchange identifying a port number of the power supply hub corresponding to the identification number; and A step in which the private branch exchange transmits, to the power supply hub, a command to supply power to the power supply port corresponding to the identified port number. Includes. [Appendix 8a] In the above control method, When a user logs in to the seat management server connected to an information terminal installed in a seat using the information terminal, the private branch exchange receives the identification number from the seat management server. [Appendix 8b] In the above control method, When the seat management server acquires an identification number assigned to a telephone set installed at a seat from a user communication terminal, the private branch exchange receives the identification number from the seat management server. [Appendix 8c] In the above control method, When the seat management server receives an identification number (including information) recorded in the identifier from a user communication terminal that has captured an image of the identifier assigned to a telephone, the private branch exchange receives the identification number from the seat management server. [Appendix 8d] In the above control method, When the private branch exchange receives an identification number (including information) from a user communication terminal in which the seat management server has read an identification number (including information) recorded in an IC chip built into an NFC tag installed on a telephone or a seat, etc., using a short-range wireless communication function, the private branch exchange receives the identification number from the seat management server. [Appendix 8e] In the above control method, When a user registers the use of a seat from a specific date and time on an information terminal connected to the seat management server, the private branch exchange either receives the identification number from the seat management server at the specific date and time, or receives a command from the seat management server together with the identification number to wait until the specific date and time before supplying power to the telephone. [Appendix 9] A control program for a private branch exchange connected to a power supply hub having multiple power supply ports that supply power to each telephone installed at each seat in a working space having multiple seats. The control program includes: A process in which the private branch exchange acquires an identification number assigned to a specific telephone set from a seat management server that is connected to the private branch exchange and manages the plurality of seats; A process in which the private branch exchange identifies a port number of the power supply hub corresponding to the acquired identification number; and A process in which the power supply hub supplies power to a power supply port corresponding to the identified port number. Execute the command. [Appendix 9a] The above control program is configured to: When a user of an information terminal installed in a seat logs in to the seat management server connected to the information terminal, the private branch exchange executes a process of receiving the identification number from the seat management server. [Appendix 9b] The above control program is configured to: When the private branch exchange acquires from the user communication terminal an identification number that the seat management server has assigned to the telephone set installed in the seat, it executes a process of receiving the identification number from the seat management server. [Appendix 9c] The above control program is configured to: When the private branch exchange receives an identification number (including information) recorded in the identifier from a user communication terminal that has captured an image of the identifier assigned to a telephone by the seat management server, it executes a process to receive the identification number from the seat management server. [Appendix 9d] The above control program is configured to: The private branch exchange receives an identification number (including information) from a user communication terminal in which the seat management server has read an identification number (including information) recorded in an IC chip built into an NFC tag installed on a telephone or a seat, etc., using a short-range wireless communication function, and then executes a process of receiving the identification number from the seat management server. [Appendix 9e] The above control program is configured to: When a user registers the use of a seat from a specific date and time on an information terminal connected to the seat management server, the private branch exchange executes a process to receive the identification number from the seat management server at the specific date and time, or to receive from the seat management server a command to wait for power to be supplied to the telephone until the specific date and time together with the identification number. [Appendix 10] A private branch exchange connected to a power supply hub having multiple power supply ports that supply power to each telephone installed at each seat in a working space having multiple seats. The private branch exchange includes an incoming call receiving unit that receives an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; an identification unit that identifies a port number of the power supply hub corresponding to the identification number received by the call receiving unit; a transmission section that transmits, to the power supply hub, a command for supplying power to the power supply port corresponding to the port number identified by the identification section; Includes. [Appendix 11] In the above private branch exchange, The identification number of the specific telephone is visibly displayed on the telephone or on the seat thereof. The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number+separation number (such as #)+identification number." [Appendix 12] In the above private branch exchange, The identification number of a specific telephone is recorded in an IC chip embedded in an identifier or NFC tag attached to the telephone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds this identification number to the call to the private branch exchange. [Appendix 13] The private branch exchange, and A power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats and connected to the private branch exchange. A power supply management system including: The call receiving section of the private branch exchange receives an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set added thereto. [Appendix 14] A method for controlling a private branch exchange connected to a power supply hub having a plurality of power supply ports that supply power to telephones installed at each seat in a working space having a plurality of seats. The control method includes: a step of the private branch exchange receiving an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; the private branch exchange identifying a port number of the power supply hub corresponding to the identification number; and A step in which the private branch exchange transmits, to the power supply hub, a command to supply power to the power supply port corresponding to the identified port number. Includes. [Appendix 15] A control program for a private branch exchange connected to a power supply hub having multiple power supply ports that supply power to telephones installed at each seat in a working space having multiple seats. The control program includes: A process in which the private branch exchange receives an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; A process in which the private branch exchange identifies a port number of the power supply hub corresponding to the identification number; and A process in which the power supply hub supplies power to a power supply port corresponding to the identified port number. Execute the command. [Supplementary Note 16] The private branch exchange further includes a storage unit that stores the MAC address, port number, and identification number of each telephone. [Supplementary Note 17] The storage unit further stores the extension numbers of each telephone. [Supplementary Note 18] The private branch exchange receives the extension number assigned to the telephone set instead of the identification number, or receives an incoming call with the extension number added.

[0079] Within the scope of the entire disclosure of the present invention (including the scope of claims), modifications and adjustments of the embodiments and examples are possible based on the basic technical ideas. Furthermore, within the scope of the entire disclosure of the present invention, various combinations and selections (including partial deletions) of various disclosed elements (including each element of each claim, each element of each embodiment or example, each element of each drawing, etc.) are possible. In other words, the present invention naturally includes various modifications and alterations that a person skilled in the art would be able to make based on the entire disclosure including the scope of claims and the technical ideas. [Explanation of symbols]

[0080] 1,1' Power Supply Management System 2, 2' Private branch exchange 2a Receiving section 2b Specific part 2c Transmitter 2d Control section 2e Call receiving unit 3. Seat Management Server 3a Storage section 3b Judgment section 3c Transmitter 3d control section 4 Power Supply Hub 51, 52, …5 n telephone 6. Working Space 7 Entrance / Exit Gate 8. Time attendance management terminal 1000 Hardware Resources 1001 Processor 1002 Memory 1003 Network Interface 1004 Internal Bus

Claims

1. A private branch exchange connected to a power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats, The private branch exchange comprises: a call receiving unit that receives an incoming call from a user communication terminal, the call having an identification number assigned to a telephone set installed in a seat and to be turned on (hereinafter referred to as a "specific telephone set"); an identification unit that identifies a port number of the power supply hub corresponding to the identification number received by the call receiving unit; a transmission section that transmits, to the power supply hub, a command for supplying power to the power supply port corresponding to the port number identified by the identification section; and The identification number of the specific telephone is visibly displayed on the telephone or its seat, The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number + division number (e.g., #) + identification number" or Or, The identification number of a specific telephone is recorded in an IC chip embedded in an identifier or NFC tag attached to the telephone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds the identification number to the call to the private branch exchange. A private branch exchange characterized by:

2. A private branch exchange according to claim 1, A power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats and connected to the private branch exchange. A power supply management system comprising: The call receiving unit of the private branch exchange receives an incoming call from a user communication terminal to which an identification number assigned to a specific telephone is added. A power supply management system characterized by the above.

3. A method for controlling a private branch exchange connected to a power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats, comprising the steps of: a step of the private branch exchange receiving an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; the private branch exchange identifying a port number of the power supply hub corresponding to the identification number; and A step in which the private branch exchange transmits, to the power supply hub, a command to supply power to the power supply port corresponding to the identified port number. and The identification number of the specific telephone is visibly displayed on the telephone or its seat, The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number + division number (e.g., #) + identification number" or Or, The identification number of a specific telephone is recorded in an IC chip embedded in an identifier or NFC tag attached to the telephone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds the identification number to the call to the private branch exchange. A control method comprising:

4. A control program for a private branch exchange connected to a power supply hub having a plurality of power supply ports for supplying power to telephones installed at each seat in a working space having a plurality of seats, comprising: The control program includes: A process in which the private branch exchange receives an incoming call from a user communication terminal, the incoming call having an identification number assigned to a specific telephone set; A process in which the private branch exchange identifies a port number of the power supply hub corresponding to the identification number; and A process in which the power supply hub supplies power to a power supply port corresponding to the identified port number. and The identification number of the specific telephone is visibly displayed on the telephone or its seat, The identification number of the specific telephone is called by the user communication terminal to the private branch exchange in the form of, for example, "reception telephone number + division number (e.g., #) + identification number" or Or, The identification number of a specific telephone is recorded in an IC chip embedded in an identifier or NFC tag attached to the telephone or its seat, etc. The user communication terminal reads the identification number from the identifier or the IC chip, and in particular automatically adds the identification number to the call to the private branch exchange. A control program comprising:

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