JP2021013091A - Communication system, communication method, control method, program - Google Patents

Abstract

To provide a technique to execute communication suitable for a situation where a mobile information terminal exists.SOLUTION: A first communication unit 340 receives a call request from an entrance slave unit 100. Upon receiving the call request, a second communication unit 342 transmits a call signal. A control unit 350 causes a second communication method to be used for communication between a first entrance slave unit 100 and a mobile information terminal 500 if communication with the mobile information terminal 500 by the second communication method is possible when the control unit 350 receives a response signal from the mobile information terminal 500 by a first communication method. The control unit 350 causes the first communication method to be used for the communication between the entrance slave unit 100 and the mobile information terminal 500 if communication with the mobile information terminal 500 by the second communication method is impossible when receiving the response signal from the mobile information terminal 500 by the first communication method.SELECTED DRAWING: Figure 2

Description

The present disclosure relates to communication technology, and more particularly to communication systems, communication methods, control methods, and programs that control the transfer of communication.

In the intercom system, when the resident answers the call from the entrance slave unit by the visitor with the room master unit, the entrance slave unit and the room master unit are in a call state. In order to allow the resident to respond even when the resident is not near the room master unit, the room master unit calls the mobile information terminal when receiving a call from the entrance slave unit (for example, patent). Reference 1).

Japanese Unexamined Patent Publication No. 2004-260735

When the mobile information terminal supports a plurality of types of communication methods, it is desired to execute communication suitable for the situation where the mobile information terminal exists.

The present disclosure has been made in view of such circumstances, and an object of the present disclosure is to provide a technique for executing communication suitable for a situation in which a mobile information terminal exists.

In order to solve the above problems, the communication system of a certain aspect of the present disclosure transmits a call signal when the first communication unit receives a call request from the first terminal device and the first communication unit receives the call request. When the second communication unit receives the response signal from the second terminal device by the first communication method with respect to the call signal transmitted from the second communication unit and the second communication unit, it is different from the first communication method. If communication with the second terminal device by the second communication method is possible, the control unit is provided so that the second communication method is used for communication between the first terminal device and the second terminal device. When the second communication unit receives the response signal from the second terminal device by the first communication method, the control unit may use the first terminal device if communication with the second terminal device by the second communication method is not possible. The first communication method is used for communication with the second terminal device.

Another aspect of the present disclosure is a control method. This method is a control method of the terminal device, and is a step of determining whether the terminal device exists in or outside the first region, and when it is determined that the terminal device exists in the first region. If the first information about the system provided in the second area that overlaps at least a part of the first area is acquired, the step of acquiring the second information following the first information from the system and the terminal device are in the first area. If it is determined that the information exists outside the above, if the first information is acquired, the step of notifying the information regarding the first information is provided.

It should be noted that any combination of the above components and the conversion of the expression of the present disclosure between methods, devices, systems, recording media, computer programs and the like are also effective as aspects of the present disclosure.

According to the present disclosure, it is possible to execute communication suitable for a situation in which a mobile information terminal exists.

1 (a)-(c) are diagrams showing the configuration of the communication system according to the first embodiment. It is a figure which shows the structure of the entrance slave unit, the living room master unit, and the communication device of FIGS. 1A-C. It is a figure which shows the structure of the mobile information terminal of FIG. 1 (a)-(c). It is a figure which shows the screen displayed on the monitor of FIG. It is a flowchart which shows the communication procedure by the communication device of FIG. 6 (a)-(b) are diagrams showing the configuration of the communication system according to the second embodiment. It is a figure which shows the screen which is displayed on the monitor which concerns on Example 2. FIG. It is a flowchart which shows the communication procedure by the mobile information terminal which concerns on Example 2.

(Example 1)
A summary will be given before the present disclosure is specifically described. The first embodiment is a communication in which communication between the entrance slave unit and the mobile information terminal is executed in response to a call request from the entrance slave unit to the living room master unit in an intercom system installed in a facility such as an apartment house or a detached house. Regarding the system. The personal digital assistant supports, for example, a mobile phone system (hereinafter referred to as "first communication method") such as LTE (Long Term Evolution) and a wireless LAN (Local Area Network) (hereinafter "second communication method"). ) Corresponds to. Here, it is assumed that the first communication method can be used both inside and outside the facility, but the second communication method can be used inside the facility and cannot be used outside the facility.

In the communication between the entrance slave unit and the mobile information terminal, audio is transmitted and video may be transmitted. Therefore, considering the communication band and communication charge, the second communication method is used in the facility. It is preferable to use the first communication method outside. On the other hand, it is preferable that the period from the call from the entrance slave unit to the start of communication between the entrance slave unit and the mobile information terminal is short. In order to cope with these, the communication system according to the present embodiment uses the first communication method for the processing from the call from the entrance slave unit to the connection between the entrance slave unit and the mobile information terminal. To do. In addition, after the entrance slave unit and the mobile information terminal are connected, the second communication method is used if the mobile information terminal exists inside the facility, and the first communication method is used if the mobile information terminal exists outside the facility. Will be done.

1 (a)-(c) show the configuration of the communication system 1000. The communication system 1000 includes an intercom system 10, a router 400, an access point 410, a network 420, an activation server 430, a base station device 440, a SIP (Session Initiation Protocol) server 450, and a mobile information terminal 500. The intercom system 10 includes an entrance slave unit 100, a living room master unit 200, and a communication device 300. Here, the living room master unit 200 and the communication device 300 are shown as separate devices, but these may be integrated by including the communication device 300 in the living room master unit 200. Further, in the intercom system 10, the communication device 300 has an arbitrary configuration, and the one including the communication device 300 may be the intercom system 10 or the one not including the communication device 300 may be the intercom system 10. The intercom system 10, the router 400, and the access point 410 are installed in the facility 20, and the network 420, the activation server 430, the base station device 440, and the SIP server 450 are installed outside the facility 20. The facility 20 is, for example, a detached house, an apartment house such as an apartment, or a building such as an office or a factory.

The entrance slave unit 100 is an intercom installed outside the entrance of the facility 20. The entrance slave unit 100 is installed, for example, at the entrance (outside of the house) of a detached house. Further, the entrance slave unit 100 may be a lobby intercom or a doorphone slave unit in an apartment house. The call button provided on the entrance slave unit 100 is pressed down when a visitor visits. The entrance slave unit 100 is connected to the living room master unit 200 by a dedicated wired or wireless line.

The living room master unit 200 is installed in the facility 20. The living room master unit 200 connects the entrance slave unit 100 and the communication device 300 via a dedicated line. When a user such as a resident presses down the response button of the room master unit 200 in response to a call from the entrance slave unit 100, a conversation between the visitor and the user becomes possible between the entrance slave unit 100 and the room master unit 200. Become. The user in this embodiment can also use the portable information terminal 500 in order to answer the call from the entrance slave unit 100.

The mobile information terminal 500 is, for example, a smartphone or a tablet terminal, and is carried by a user and can move inside and outside the facility 20. Further, the mobile information terminal 500 has a wireless communication function corresponding to the first communication method and the second communication method. The first communication method is, for example, a mobile phone system or wireless MAN (Metropolitan Area Network), and the second communication method is, for example, a wireless LAN. Further, the personal digital assistant 500 can execute an application program (hereinafter, referred to as "calling application") for answering a call in the intercom system 10.

In order to enable communication between the portable information terminal 500 and the entrance slave unit 100, a communication device 300 is connected to the living room master unit 200, and a router 400 is connected to the communication device 300. The communication device 300 executes conversion between the communication interface on the living room master unit 200 side and the communication interface on the router 400 side. The router 400 connects the access point 410 in the facility 20 and also connects the network 420 outside the facility 20. The access point 410 is a wireless device capable of communicating with the mobile information terminal 500 in the facility 20 by executing communication by the second communication method. Here, when the area capable of communicating with the access point 410 by the second communication method is called the first area, the facility 20 in which the intercom system 10 is installed is called the second area. In this embodiment, it is assumed that the first region and the second region are the same, but it is sufficient that at least a part of them overlaps.

The network 420 is formed by wired or wireless or a combination thereof, and is, for example, the Internet. A startup server 430, a base station device 440, and a SIP server 450 are connected to the network 420. The start-up server 430 is a server for starting an application in the mobile information terminal 500, for example, a calling application from the outside. The startup server 430 has, for example, a function of APNS (Apple Push Notification Service) or FCM (Firebase Cloud Messaging). The base station device 440 is a wireless device capable of communicating with the mobile information terminal 500 inside and outside the facility 20 by executing communication by the first communication method. The SIP server 450 is a server that establishes or disconnects a session between the living room master unit 200 and the mobile information terminal 500.

In the following, the configuration and operation of the communication system 1000 will be described with reference to FIGS. 2 and 3 in addition to FIGS. 1 (a) and 1 (c). Here, (1) the basic operation of the intercom system 10, (2) the connection operation between the living room master unit 200 and the mobile information terminal 500, and (3) the communication operation between the entrance slave unit 100 and the mobile information terminal 500 in the facility 20. , (4) The communication operation between the entrance slave unit 100 and the mobile information terminal 500 outside the facility 20 will be described in this order.

(1) Basic Operation of Intercom System 10 FIG. 2 shows the configurations of the entrance slave unit 100, the living room master unit 200, and the communication device 300. The entrance slave unit 100 includes a processing unit 110, an operation unit 130, and a communication unit 140, and the processing unit 110 includes an imaging unit 112, a microphone 114, a speaker 116, a monitor 118, and an IF unit 120. The living room master unit 200 includes a processing unit 210, an operation unit 230, a communication unit 240, and a control unit 250, and the processing unit 210 includes a microphone 214, a speaker 216, a monitor 218, and an IF unit 220. The communication device 300 includes a first communication unit 340, a second communication unit 342, a control unit 350, and a storage unit 360. When the living room master unit 200 includes the communication device 300 and these are integrated, the communication unit 240 and the first communication unit 340 may be common, and the control unit 250 and the control unit 350 are also common. May be good. When the entrance slave unit 100 is, for example, a doorphone slave unit, it may not include at least one of the image pickup unit 112 and the monitor 118. For example, the monitor 118 may not be provided and the imaging unit 112 may be provided.

The operation unit 130 of the entrance slave unit 100 is a user interface for receiving the operation of a visitor, for example, a call button. When the operation unit 130 is pushed down by the visitor, the operation unit 130 outputs a call request to the communication unit 140. Further, when the operation unit 130 is pushed down by the visitor, the processing unit 110 operates.

The image pickup unit 112 is for taking a picture of a visitor, and includes a solid-state image sensor such as a CMOS (Complementary Metal Oxide Semiconductor) image sensor and a CCD (Charge Coupled Device) image sensor. The solid-state image sensor outputs the photoelectrically converted video signal to the IF unit 120. The IF unit 120 executes various signal processing on the video signal from the imaging unit 112. Since known techniques may be used for various signal processing, description thereof will be omitted here. The IF unit 120 outputs a video signal (hereinafter, also referred to as a “video signal”) that has been subjected to signal processing to the communication unit 140.

The microphone 114 and the speaker 116 are user interfaces for the visitor to talk to the resident. The microphone 114 collects the voice of the visitor, converts it into an electric signal, and outputs it to the IF unit 120. The speaker 116 reproduces the electric signal from the IF unit 120 and outputs the sound. The IF unit 120 receives an electric signal from the microphone 114 and converts it into a signal in a format for transmitting the electric signal (hereinafter, referred to as “audio signal”). The IF unit 120 outputs an audio signal to the communication unit 140. On the other hand, the IF unit 120 inputs an audio signal from the communication unit 140 and converts the audio signal into an electric signal. The IF unit 120 outputs an electric signal to the speaker 116.

The monitor 118 displays a message or the like. The message may be displayed by an LED (Light Emitting Diode) or the like. For example, a light emitting unit such as an LED is arranged in advance for each message, and the message is transmitted when one of them lights up. The IF unit 120 inputs a message signal from the communication unit 140 and outputs the message signal to the monitor 118. The message signal may be generated in the entrance slave unit 100. The communication unit 140 has a communication function using a dedicated line, and executes communication with the living room master unit 200. Specifically, the communication unit 140 transmits and receives the above-mentioned call request, video signal, audio signal, and message signal to and from the living room master unit 200, but the signals to be transmitted and received are not limited thereto.

The communication unit 240 of the living room master unit 200 has a communication function using a dedicated line, and executes communication with the communication unit 140 of the entrance slave unit 100. The communication unit 240 also executes communication with the first communication unit 340 of the communication device 300. Therefore, the communication unit 240 can relay the communication between the entrance slave unit 100 and the communication device 300. A control unit 250 is connected to the communication unit 240, and the control unit 250 controls the operation of the living room master unit 200. The IF unit 220 and the operation unit 230 are connected to the control unit 250, and the microphone 214, the speaker 216, and the monitor 218 are connected to the IF unit 220. Here, the microphone 214, the speaker 216, the IF unit 220, and the operation unit 230 are configured in the same manner as the microphone 114, the speaker 116, the IF unit 120, and the operation unit 130. The monitor 218 displays the image captured by the imaging unit 112 of the entrance slave unit 100.

The control unit 250 receives a call request, a video signal, and an audio signal from the entrance slave unit 100 via the communication unit 240. When the control unit 250 receives the call request, the control unit 250 outputs a ring tone from the speaker 216 via the IF unit 220. Following this, the control unit 250 causes the monitor 218 to display the reproduced video of the video signal via the IF unit 220, and outputs the reproduced audio of the audio signal from the speaker 216 via the IF unit 220. .. When the user who hears the ringing tone answers the call by operating the operation unit 230, the control unit 250 causes the communication unit 240 to execute communication with the entrance slave unit 100. As a result, the video signal and the audio signal are communicated between the communication unit 140 and the communication unit 240, so that between the visitor who operates the entrance slave unit 100 and the user who operates the living room master unit 200. The call is made.

(2) Connection operation between the living room master unit 200 and the mobile information terminal 500 In the above description, the user operates the living room master unit 200 to answer a call from the entrance slave unit 100. On the other hand, the user can also operate the mobile information terminal 500 to answer the call from the entrance slave unit 100. When the entrance slave unit 100 is called the first terminal device, the mobile information terminal 500 is called the second terminal device. In order to execute communication between the entrance slave unit 100 and the mobile information terminal 500, the communication device 300 executes a connection process between the living room master unit 200 and the mobile information terminal 500. When the control unit 250 of the living room master unit 200 receives a call request, a video signal, or an audio signal from the entrance slave unit 100 via the communication unit 240, the control unit 250 causes the communication device 300 to transmit the call request via the communication unit 240.

The first communication unit 340 of the communication device 300 can communicate with the communication unit 240 of the living room master unit 200. The first communication unit 340 receives the call request from the communication unit 240. This corresponds to receiving a call request from the entrance slave unit 100. The first communication unit 340 is connected to the control unit 350, and the second communication unit 342 is also connected to the control unit 350. The second communication unit 342 can communicate with the router 400 shown in FIG. 1A, and can also communicate with the access point 410 and the network 420 via the router 400.

The control unit 350 controls the operation of the communication device 300 and converts the signal format between the first communication unit 340 and the second communication unit 342. When the control unit 350 receives the call request from the first communication unit 340, the control unit 350 generates a signal (hereinafter, referred to as “start request”) for requesting the start of the calling application executed on the mobile information terminal 500. The activation request includes identification information for identifying the communication device 300 and identification information for identifying the calling application. Further, the destination of the start request is set to the start server 430. Here, the identification information and the information of the activation server 430 as the destination are stored in the storage unit 360. The control unit 350 outputs the activation request to the second communication unit 342, and the second communication unit 342 transmits the activation request received from the control unit 350.

The activation request is sent to the activation server 430 via the router 400 and the network 420 along the route P1 in FIG. 1A. The activation server 430 receives the activation request from the communication device 300. The startup server 430 has a function of a PUSH server (hereinafter referred to as "first function") and also has a function of APNS or FCM (hereinafter referred to as "second function"). The startup server 430 may be configured as a separate server for each function, or may be configured as one server.

As the first function, the activation server 430 has a table showing the correspondence between the identification information of the communication device 300 and the identification information of the mobile information terminal 500. It can be said that this is a table showing the correspondence between the communication device 300 installed in the facility 20 and the mobile information terminal 500 to which the call is transferred. In the table, the identification information of a plurality of mobile information terminals 500 may be associated with the identification information of one communication device 300. The start-up server 430 extracts the identification information of the communication device 300 from the start-up request, and by referring to the table, acquires the identification information of the mobile information terminal 500 associated with the identification information of the communication device 300.

As the second function, the start server 430 extracts the identification information of the calling application from the start request. The activation server 430 transmits a signal (hereinafter, also referred to as “activation request”) for activating the calling application in the mobile information terminal 500 of the identification information acquired in the first function. The activation request is a signal for activating the calling application in response to a call in the intercom system 10, and the activation request includes identification information of the calling application. The activation request is sent to the mobile information terminal 500 via the network 420 and the base station device 440 along the path P2 of FIG. 1A.

FIG. 3 shows the configuration of the mobile information terminal 500. The mobile information terminal 500 includes a processing unit 510, a first communication method communication unit 540, a second communication method communication unit 542, a control unit 550, and a storage unit 560, and the processing unit 510 includes a microphone 514, a speaker 516, and a monitor 518. The IF unit 520 and the operation unit 530 are included. The first communication method communication unit 540 executes communication by the first communication method and can communicate with the base station apparatus 440 of FIG. 1A. The second communication method communication unit 542 executes communication by the second communication method and can communicate with the access point 410 of FIG. 1A. A control unit 550 is connected to the first communication system communication unit 540 and the second communication system communication unit 542, and the control unit 550 controls the operation of the mobile information terminal 500. The IF unit 520 and the storage unit 560 are connected to the control unit 550, and the microphone 514, the speaker 516, the monitor 518, and the operation unit 530 are connected to the IF unit 520. Here, the microphone 514, the speaker 516, and the IF unit 520 are configured in the same manner as the microphone 114, the speaker 116, and the IF unit 120. The monitor 518 and the operation unit 530 may be integrally configured as, for example, a touch panel display.

The first communication method communication unit 540 receives the start request from the start server 430 by the first communication method. When the control unit 550 receives the activation request from the first communication method communication unit 540, the control unit 550 extracts the identification information of the calling application included in the activation request. The control unit 550 activates the calling application stored in the storage unit 560 based on the identification information of the calling application. The calling application executed by the control unit 550 causes the first communication method communication unit 540 to transmit a signal (hereinafter, referred to as “registration signal”) for registering the mobile information terminal 500 in the SIP server 450. The registration signal includes the identification information of the mobile information terminal 500 and the address of the mobile information terminal 500. An example of an address is an IP (Internet Protocol) address. The registration signal is sent to the SIP server 450 via the base station apparatus 440 and the network 420 along the path P3 of FIG. 1A.

The SIP server 450 of FIG. 1A receives a registration signal from the mobile information terminal 500. The SIP server 450 registers the mobile information terminal 500 in which the calling application is activated by the activation server 430 based on the registration signal. At that time, the SIP server 450 stores, for example, a combination of the identification information of the mobile information terminal 500 included in the registration signal and the address of the mobile information terminal 500.

The control unit 350 of the communication device 300 of FIG. 2 generates a signal (hereinafter, referred to as “call signal”) for calling the mobile information terminal 500. The call signal includes identification information of the mobile information terminal 500. The destination of the ringing signal is set to the SIP server 450. The control unit 350 outputs a call signal to the second communication unit 342, and the second communication unit 342 transmits the call signal received from the control unit 350. The call signal is sent to the SIP server 450 via the router 400 and the network 420 along the route P4 of FIG. 1 (a).

The SIP server 450 of FIG. 1A receives a call signal from the communication device 300. The SIP server 450 extracts the identification information of the mobile information terminal 500 from the received call signal. The SIP server 450 acquires the address of the mobile information terminal 500 corresponding to the extracted identification information of the mobile information terminal 500 from the stored combination. The SIP server 450 forwards the call signal to the mobile information terminal 500 with the acquired address as the destination. The call signal includes the identification information of the communication device 300 and the address of the communication device 300. The call signal is sent to the mobile information terminal 500 via the network 420 and the base station device 440 along the path P5 of FIG. 1A.

The first communication method communication unit 540 of the mobile information terminal 500 of FIG. 3 receives a call signal from the SIP server 450. When the control unit 550 receives the call signal from the first communication method communication unit 540, the control unit 550 extracts the identification information of the communication device 300 and the address of the communication device 300 included in the call signal. The calling application executed by the control unit 550 generates a screen for notifying the user of the call from the communication device 300, and displays the screen on the monitor 518.

FIG. 4 shows a screen displayed on the monitor 518. In the display area 600, a message for notifying the call, such as "There was a call", is displayed. Further, below the display area 600, a call button 610 and an end button 620 are shown. The call button 610 is a button that the user should select when starting a call, and the end button 620 is a button that the user should select when not starting a call or ending a call. Return to FIG. When the user touches the call button 610 or the end button 620, the operation unit 530 receives an instruction from the user. Specifically, the operation unit 530 receives an instruction to answer the call when the call button 610 is touched, and receives an instruction to reject the call when the end button 620 is touched. The operation unit 530 outputs the received instruction to the control unit 550.

When the control unit 550 receives the response instruction, the control unit 550 generates a response signal. The destination of the response signal is set to the SIP server 450. The control unit 550 outputs a response signal to the first communication method communication unit 540, and the first communication method communication unit 540 transmits the response signal. The response signal is sent to the SIP server 450 via the base station apparatus 440 and the network 420 along the path P6 of FIG. 1 (a). When the SIP server 450 of FIG. 1A receives the response signal from the mobile information terminal 500, the SIP server 450 transmits the response signal to the communication device 300. At that time, the response signal includes the address of the mobile information terminal 500. The response signal is sent to the communication device 300 via the network 420 and the router 400 along the path P7 of FIG. 1A.

The second communication unit 342 of the communication device 300 of FIG. 2 receives the response signal from the SIP server 450. The second communication unit 342 outputs a response signal to the control unit 350. When the control unit 350 receives the response signal from the second communication unit 342, the control unit 350 extracts the address of the mobile information terminal 500 from the response signal. As a result, since the communication device 300 and the mobile information terminal 500 acquire each other's addresses, the control unit 350 determines that the connection with the mobile information terminal 500 is completed. The control unit 350 causes the first communication unit 340 to transmit a notification (hereinafter, referred to as “completion notification”) for notifying the completion of the connection with the mobile information terminal 500 to the living room master unit 200.

The communication unit 240 of the living room master unit 200 receives the completion notification from the communication device 300. The communication unit 240 outputs a completion notification to the control unit 250. Upon receiving the completion notification from the communication unit 240, the control unit 250 recognizes the completion of the connection between the living room master unit 200 and the mobile information terminal 500 by the communication device 300. After recognizing the completion of the connection, the control unit 250 causes the communication unit 240 to transmit the video signal and the audio signal from the entrance slave unit 100 to the communication device 300, and transmits the audio signal from the communication device 300 to the entrance slave unit. Send to 100. That is, the control unit 250 causes the communication unit 240 to execute the relay process between the entrance slave unit 100 and the communication device 300.

(3) Communication operation between the entrance slave unit 100 and the mobile information terminal 500 in the facility 20 When the mobile information terminal 500 exists in the facility 20 in FIG. 1 (b), the access point 410 uses the second communication method for mobile information. It is connected to the terminal 500. At that time, in the mobile information terminal 500, the second communication method communication unit 542 of FIG. 3 is used. The access point 410 holds the information of the connected mobile information terminal 500.

The control unit 350 of the communication device 300 of FIG. 2 requests the access point 410 of FIG. 1 (b) to transmit information on the connected device via the second communication unit 342. The access point 410 transmits information on the connected device to the communication device 300 via the router 400. The control unit 350 of the communication device 300 of FIG. 2 receives information on the device connected to the access point 410 via the second communication unit 342. This process may be performed when the connection between the communication device 300 and the mobile information terminal 500 is completed, or may be performed regardless of the completion of the connection between the communication device 300 and the mobile information terminal 500.

When the received information includes the mobile information terminal 500, the control unit 350 determines that communication with the mobile information terminal 500 by the second communication method is possible, and based on the received information, the mobile information terminal 500 Acquire the address when using the second communication method of. Following this, the control unit 350 sets a route between the second communication unit 342 and the mobile information terminal 500 via the router 400 and the access point 410. That is, the control unit 350 causes the entrance slave unit 100 to use the second communication method for communication with the mobile information terminal 500.

As shown in FIG. 1 (b), the audio signal and the video signal from the entrance slave unit 100 are transmitted along the path P8 via the living room master unit 200, the communication device 300, the router 400, and the access point 410, and the mobile information terminal 500. Will be sent to. Further, the voice signal from the mobile information terminal 500 is sent to the entrance slave unit 100 via the access point 410, the router 400, the communication device 300, and the living room master unit 200 along the route P8. As a result, communication using the second communication method between the visitor who operates the entrance slave unit 100 and the user who operates the mobile information terminal 500 becomes possible. At that time, the image of the visitor may be displayed in the display area 600 shown in FIG.

(4) Communication operation between the entrance slave unit 100 and the mobile information terminal 500 outside the facility 20 When the mobile information terminal 500 does not exist in the facility 20 in FIG. 1 (c), the access point 410 uses the second communication method for mobile information. Not connected to terminal 500. The access point 410 does not hold the information of the mobile information terminal 500 that is not connected. As described above, the control unit 350 of the communication device 300 of FIG. 2 receives information on the device connected to the access point 410 of FIG. 1B via the second communication unit 342. If the received information does not include the mobile information terminal 500, the control unit 350 determines that communication with the mobile information terminal 500 by the second communication method is impossible. Following this, the control unit 350 sets a route between the second communication unit 342 and the mobile information terminal 500 via the router 400, the network 420, and the base station device 440. That is, the control unit 350 causes the entrance slave unit 100 to use the first communication method for communication with the mobile information terminal 500.

As shown in FIG. 1 (c), the audio signal and the video signal from the entrance slave unit 100 pass through the living room master unit 200, the communication device 300, the router 400, the network 420, and the base station device 440 along the path P8'. Is sent to the mobile information terminal 500. Further, the voice signal from the portable information terminal 500 is sent to the entrance slave unit 100 via the base station device 440, the network 420, the router 400, the communication device 300, and the living room master unit 200 along the path P8'. As a result, it becomes possible to communicate using the first communication method between the visitor who operates the entrance slave unit 100 and the user who operates the mobile information terminal 500.

The subject of the device, system, or method in the present disclosure comprises a computer. By executing the program by this computer, the function of the subject of the device, system, or method in the present disclosure is realized. A computer has a processor that operates according to a program as a main hardware configuration. The type of processor does not matter as long as the function can be realized by executing the program. The processor is composed of one or more electronic circuits including a semiconductor integrated circuit (IC) or an LSI (Large Scale Integration). The plurality of electronic circuits may be integrated on one chip or may be provided on a plurality of chips. The plurality of chips may be integrated in one device, or may be provided in a plurality of devices. The program is recorded on a non-temporary recording medium such as a computer-readable ROM, optical disc, or hard disk drive. The program may be stored in the recording medium in advance, or may be supplied to the recording medium via a wide area communication network including the Internet or the like.

The operation of the communication system 1000 with the above configuration will be described. FIG. 5 is a flowchart showing a communication procedure by the communication device 300. The second communication unit 342 receives the response signal from the mobile information terminal 500 via the SIP server 450 by the first communication method (S10). When communication with the mobile information terminal 500 by the second communication method is possible via the access point 410 (Y in S12), the control unit 350 connects the entrance slave unit 100 and the mobile information terminal 500 using the second communication method. Communication is executed (S14). When communication with the mobile information terminal 500 by the second communication method is not possible via the access point 410 (N in S12), the control unit 350 connects the entrance slave unit 100 and the mobile information terminal 500 using the first communication method. Communication is executed (S16).

According to the embodiment of the present disclosure, since the response signal to the ringing signal is received by the first communication method, the process up to the reception of the response signal can be executed using only the first communication method. Further, since the process up to the reception of the response signal is executed using only the first communication method, the period until the reception of the response signal can be shortened. Further, if the communication by the second communication method is possible, the second communication method is used for the communication between the entrance slave unit 100 and the mobile information terminal 500, so that the second communication method is preferentially used to execute the communication. it can. Further, since the communication is executed by preferentially using the second communication method, it is possible to execute the communication suitable for the situation where the mobile information terminal 500 exists.

Further, if communication by the second communication method is not possible, the first communication method is used for communication between the entrance slave unit 100 and the mobile information terminal 500, so that communication can be executed even if the second communication method cannot be used. .. Further, since the communication is executed using the first communication method, it is possible to execute the communication suitable for the situation where the mobile information terminal 500 exists. Further, the activation server 430 is used to start the calling application of the mobile information terminal 500. In addition, since the call signal and the answer signal are transmitted and received to and from the mobile information terminal 500 via the SIP server 450, the connection with the mobile information terminal 500 can be executed.

The outline of one aspect of the present disclosure is as follows. In the communication system (1000) of a certain aspect of the present disclosure, when the first communication unit (340) for receiving the call request from the first terminal device and the first communication unit (340) receive the call request, the call signal is transmitted. In response to the call signal transmitted from the second communication unit (342) and the second communication unit (342) to be transmitted, the second communication unit (342) receives the response signal from the second terminal device by the first communication method. In this case, if communication with the second terminal device is possible by a second communication method different from the first communication method, control is performed so that the second communication method is used for communication between the first terminal device and the second terminal device. A unit (350) is provided. When the second communication unit (342) receives the response signal from the second terminal device by the first communication method, the control unit (350) cannot communicate with the second terminal device by the second communication method. For example, the first communication method is used for communication between the first terminal device and the second terminal device.

When the second communication unit (342) receives the call request in the first communication unit (340), the second communication unit (342) transmits the start request to the start server (430) that starts the application in the second terminal device, and also sends the start request to the start server (430). The second terminal device whose application is started by the method sends a ringing signal to the second terminal device via the SIP (Session Initiation Protocol) server (450) that registers the address, and the second communication unit (342) sends the ringing signal. The received response signal from the second terminal device may be received via the SIP server (450).

The first terminal device may be the entrance slave unit (100) of the intercom system (10), and the second terminal device may be a mobile information terminal (500).

(Example 2)
Next, Example 2 will be described. In the second embodiment, as in the first embodiment, the communication between the entrance slave unit 100 and the mobile information terminal 500 is performed in response to a call request from the entrance slave unit 100 to the living room master unit 200 in the intercom system 10 installed in the facility. The present invention relates to the communication system 1000 for executing the above. In the first embodiment, after the living room master unit 200 and the mobile information terminal 500 are connected by using the first communication method, the second communication method is used if it is inside the facility 20, and the first if it is outside the facility 20. The communication method is used. At that time, whether or not the second communication method can be used is determined by the communication device 300. On the other hand, in the second embodiment, whether or not the second communication method can be used is determined by the mobile information terminal 500. The configuration of the entrance slave unit 100, the living room master unit 200, the communication device 300, and the mobile information terminal 500 according to the second embodiment is the same type as in FIGS. 2 and 3. Here, the differences from the past will be mainly explained.

6 (a)-(b) show the configuration of the communication system 1000. Here, (1) activation of the calling application on the mobile information terminal 500, (2) communication operation between the entrance slave unit 100 and the mobile information terminal 500 in the facility 20, and (3) operation of the mobile information terminal 500 outside the facility 20. Will be explained in this order.

(1) Activation of Calling Application on Mobile Information Terminal 500 Similar to the first embodiment, the control unit 250 of the living room master unit 200 of FIG. 2 receives a calling request, a video signal, and a call request from the entrance slave unit 100 via the communication unit 240. When the voice signal is received, the communication device 300 is made to transmit a call request via the communication unit 240. In response to this, the communication unit 240 transfers the call request from the entrance slave unit 100 to the communication device 300. The first communication unit 340 of the communication device 300 receives the call request from the communication unit 240. When the control unit 350 receives the call request from the first communication unit 340, the control unit 350 outputs the activation request to the second communication unit 342, and the second communication unit 342 transmits the activation request received from the control unit 350.

The activation request is sent to the activation server 430 via the router 400 and the network 420 along the route P1 in FIG. 6A. The activation server 430 receives the activation request from the communication device 300. The activation server 430 specifies the destination mobile information terminal 500 based on the activation request. The activation server 430 transmits a activation request to the specified mobile information terminal 500. The activation request is sent to the mobile information terminal 500 via the network 420 and the base station device 440 along the path P2 of FIG. 6A.

The first communication method communication unit 540 of the mobile information terminal 500 of FIG. 3 receives a start request from the start server 430. When the control unit 550 receives the activation request from the first communication method communication unit 540, the control unit 550 activates the calling application stored in the storage unit 560 based on the identification information of the calling application.

(2) Communication operation between the entrance slave unit 100 and the mobile information terminal 500 in the facility 20 The second communication method communication unit 542 of the mobile information terminal 500 of FIG. 3 can be connected to the access point 410 of FIG. 6 (b). Determine if it exists. For example, the second communication method communication unit 542 determines that the access point 410 can be connected if the SSID (Service Set Identifier) signal set in the access point 410 is received. On the other hand, the second communication method communication unit 542 determines that the access point 410 cannot be connected unless the SSID signal set in the access point 410 is received. Such determinations are made on a regular basis. The second communication method communication unit 542 outputs the determination result to the control unit 550. Here, when it is possible to communicate with the access point 410, that is, when the second communication method can be used, it corresponds to the mobile information terminal 500 existing in the facility 20.

The calling application executed by the control unit 550 causes the first communication system communication unit 540 to transmit a registration signal when the determination result received from the second communication system communication unit 542 indicates that the access point 410 can be connected. The registration signal is sent to the SIP server 450 via the base station apparatus 440 and the network 420 along the path P3 of FIG. 6 (b). When the SIP server 450 receives the registration signal from the mobile information terminal 500, the SIP server 450 registers the mobile information terminal 500 based on the registration signal.

The control unit 350 of the communication device 300 of FIG. 2 outputs a call signal to the second communication unit 342, and the second communication unit 342 transmits the call signal received from the control unit 350. The call signal is sent to the SIP server 450 via the router 400 and the network 420 along the route P4 in FIG. 6 (b). The SIP server 450 of FIG. 1A receives a call signal from the communication device 300. The SIP server 450 transfers the call signal to the mobile information terminal 500. The call signal is sent to the mobile information terminal 500 via the network 420 and the base station device 440 along the path P5 of FIG. 6B.

The first communication method communication unit 540 of the mobile information terminal 500 of FIG. 3 receives a call signal from the SIP server 450. When the control unit 550 receives the call signal from the first communication method communication unit 540, the call application executed by the control unit 550 generates a screen for notifying the user of the call from the communication device 300, and monitors the screen 518. To display. This screen is similar to FIG. When the control unit 550 receives the response instruction, the control unit 550 outputs the response signal to the first communication system communication unit 540, and the first communication system communication unit 540 transmits the response signal. The response signal is sent to the SIP server 450 via the base station apparatus 440 and the network 420 along the path P6 of FIG. 6 (b). When the SIP server 450 of FIG. 6B receives the response signal from the mobile information terminal 500, the SIP server 450 transmits the response signal to the communication device 300. The response signal is sent to the communication device 300 via the network 420 and the router 400 along the path P7 of FIG. 6 (b).

The second communication unit 342 of the communication device 300 of FIG. 2 receives the response signal from the SIP server 450. The control unit 350 determines that the connection with the mobile information terminal 500 is completed. The control unit 350 causes the first communication unit 340 to transmit the completion notification to the living room master unit 200. The communication unit 240 of the living room master unit 200 receives the completion notification from the communication device 300. When the control unit 250 receives the completion notification from the communication unit 240, the control unit 250 recognizes the completion of the connection between the living room master unit 200 and the mobile information terminal 500 by the communication device 300. As a result, the control unit 250 causes the communication unit 240 to execute the relay process between the entrance slave unit 100 and the communication device 300.

The control unit 350 of the communication device 300 sets a route between the second communication unit 342 and the mobile information terminal 500 via the router 400 and the access point 410. That is, the control unit 350 causes the entrance slave unit 100 to use the second communication method for communication with the mobile information terminal 500. As shown in FIG. 6B, the audio signal and the video signal from the entrance slave unit 100 are transmitted along the path P8 via the living room master unit 200, the communication device 300, the router 400, and the access point 410, and the mobile information terminal 500. Will be sent to. Further, the voice signal from the mobile information terminal 500 is sent to the entrance slave unit 100 via the access point 410, the router 400, the communication device 300, and the living room master unit 200 along the route P8.

(3) Operation of the Mobile Information Terminal 500 Outside the Facility 20 The second communication method communication unit 542 of the mobile information terminal 500 of FIG. 3 determines whether or not it can be connected to the access point 410 of FIG. 6 (b). .. Here, when communication with the access point 410 is not possible, that is, when the second communication method cannot be used, it corresponds to the mobile information terminal 500 existing outside the facility 20. When the determination result received from the second communication method communication unit 542 indicates that the access point 410 cannot be connected, the calling application executed by the control unit 550 calls from the entrance slave unit 100 as information regarding the activation request. A screen for notifying the user of information regarding the fact that there was a problem is generated, and the screen is displayed on the monitor 518.

FIG. 7 shows a screen displayed on the monitor 518. In the display area 600, a message regarding the fact that there is a call such as "there was a visitor" is displayed. On the other hand, unlike the case of FIG. 4, the call button 610 and the end button 620 are not shown below the display area 600. Return to FIG. When the screen is displayed on the monitor 518, the control unit 350 ends the process. Here, when the user has a predetermined contract, the control unit 350 may execute the connection with the living room master unit 200 by using the first communication method as in the first embodiment. At that time, the control unit 350 may generate a screen for prompting a predetermined contract for a user who does not have a predetermined contract and display it on the monitor 518.

The operation of the communication system 1000 with the above configuration will be described. FIG. 8 is a flowchart showing a communication procedure by the mobile information terminal 500. When the first communication method communication unit 540 receives the activation request by the first communication method (S100), the control unit 550 activates the calling application (S102). If the second communication method can be used (Y in S104), the calling application executed by the control unit 550 communicates with the entrance slave unit 100 by using the second communication method in the second communication method communication unit 542. Is executed (S106). If the second communication method is not available (N in S104), the calling application executed by the control unit 550 displays a message to the effect that the call has been made on the monitor 518 (S108).

According to this embodiment, when it is determined that the existence exists in the facility 20, if the first information regarding the intercom system 10 is acquired, the second information following the first information is acquired from the intercom system 10, so that the facility 20 Second information can be obtained if it exists in. Further, since the second information is acquired when the mobile phone information terminal 500 exists in the facility 20, communication suitable for the situation in which the mobile information terminal 500 exists can be executed. Further, when it is determined that the information exists outside the first region, if the first information is acquired, the information related to the first information is notified, so that the acquisition of the second information can be unnecessary. Further, since the acquisition of the second information is not required, it is possible to execute the communication suitable for the situation where the mobile information terminal 500 exists.

Further, the first information is acquired by the first communication method, and the second information is obtained by the second communication method different from the first communication method and which can be used in the first area. Since it is acquired, the two communication methods can be switched and used. Further, when the second communication method can be used, it is determined that the mobile information terminal 500 exists in the first region, so that the determination accuracy can be improved. Further, since the first information is a start request, the calling application can be started and the calling application can be executed. Further, since the information regarding the first information includes the information regarding the fact that the call has been made, it is possible to notify the user that the call has been made. Further, since the second information is voice information corresponding to the call, it is possible to execute a call with the entrance slave unit 100.

The outline of one aspect of the present disclosure is as follows. Another aspect of the present disclosure is a control method. This method is a control method of the mobile information terminal (500), in which the step of determining whether the mobile information terminal (500) exists inside or outside the first region and the mobile information terminal (500) When it is determined that the information exists in the first region, if the first information about the intercom system (10) provided in the second region that overlaps at least a part of the first region is acquired, the intercom system (10) becomes the first. A step of acquiring the second information following the first information, and a step of notifying information about the first information by acquiring the first information when it is determined that the personal digital assistant (500) exists outside the first area. And.

The first information is acquired by the first communication method, and the second information is acquired by the second communication method which is different from the first communication method and can be used in the first area. To.

The determination step determines that the mobile information terminal (500) exists in the first region when the second communication method can be used.

The first information may be a start request for starting an application that enables acquisition of the second information in response to a call in the intercom system (10).

The information regarding the first information may include information regarding the fact that the call has been made. The second information may be voice information in response to the call.

The first information may include information about the state of the second region.

The present disclosure has been described above based on examples. This embodiment is an example, and it will be understood by those skilled in the art that various modifications are possible for each of these components or combinations of each processing process, and that such modifications are also within the scope of the present disclosure. ..

Any combination of Examples 1 and 2 is also possible. According to this modification, the effect of the combination can be obtained.

In the first and second embodiments, the communication system 1000 includes an intercom system 10. However, the present invention is not limited to this, and for example, the communication system 1000 may include a power management system such as a HEMS (Home Energy Management System). At that time, instead of the call request in the intercom system 10, the connection to the mobile information terminal 500 is executed based on the abnormality notification in the power management system. Here, the intercom system 10 and the power management system may be combined as a management system. According to this modification, the degree of freedom of configuration can be improved.

In the first and second embodiments, a start request or a call signal is transmitted to the mobile information terminal 500 before the communication between the entrance slave unit 100 and the mobile information terminal 500 starts. However, the present invention is not limited to this, and for example, it may be information about a state detected by a sensor installed in the facility 20. According to this modification, the degree of freedom of configuration can be improved.

10 Intercom system, 20 facilities, 100 entrance slave unit (first terminal device), 110 processing unit, 112 imaging unit, 114 microphone, 116 speaker, 118 monitor, 120 IF unit, 130 operation unit, 140 communication unit, 200 room parent Machine, 210 processing unit, 214 microphone, 216 speaker, 218 monitor, 220 IF unit, 230 operation unit, 240 communication unit, 250 control unit, 300 communication device, 340 first communication unit, 342 second communication unit, 350 control unit , 360 storage, 400 router, 410 access point, 420 network, 430 startup server, 440 base station equipment, 450 SIP server, 500 mobile information terminal (second terminal equipment), 510 processing unit, 514 microphone, 516 speaker, 518 Monitor, 520 IF unit, 530 operation unit, 540 first communication system communication unit, 542 second communication system communication unit, 550 control unit, 560 storage unit, 1000 communication system.

Claims (12)

The first communication unit that receives the call request from the first terminal device,
When the call request is received by the first communication unit, the second communication unit that transmits a call signal and
When the second communication unit receives the response signal from the second terminal device by the first communication method with respect to the ringing signal transmitted from the second communication unit, the second communication method is different from the first communication method. If communication with the second terminal device is possible by a communication method, a control unit for using the second communication method for communication between the first terminal device and the second terminal device is provided.
When the second communication unit receives the response signal from the second terminal device by the first communication method, the control unit cannot communicate with the second terminal device by the second communication method. If there is, the first communication method is used for communication between the first terminal device and the second terminal device.
Communications system. When the second communication unit receives the call request in the first communication unit, the second communication unit transmits the start request to the start server that starts the application in the second terminal device, and the start server starts the application. The call signal is transmitted to the second terminal device via a SIP (Session Initiation Protocol) server in which the second terminal device registers an address.
The communication system according to claim 1, wherein the second communication unit receives the response signal from the second terminal device that has received the call signal via the SIP server. The first terminal device is an entrance slave unit of an intercom system.
The communication system according to claim 1 or 2, wherein the second terminal device is a mobile information terminal. A communication method executed in the communication system according to any one of claims 1 to 3. A program for causing the communication system according to any one of claims 1 to 3 to execute. It is a control method for terminal devices.
A step of determining whether the terminal device exists inside or outside the first region,
When it is determined that the terminal device exists in the first area, if the first information about the system provided in the second area overlapping at least a part of the first area is acquired, the first information is obtained from the system. The step of acquiring the second information following the first information,
When it is determined that the terminal device exists outside the first region, if the first information is acquired, the step of notifying the information regarding the first information and the step.
Control method including. The first information is acquired by the first communication method, and is obtained.
The second information is acquired by a second communication method different from the first communication method and which can be used in the first area.
The control method according to claim 6. The determination step determines that the terminal device exists in the first region when the second communication method can be used.
The control method according to claim 7. The control method according to any one of claims 6 to 8, wherein the first information is an activation request for invoking an application that can acquire the second information in response to a call in the system. The information regarding the first information includes information regarding the fact that the call has been made.
The control method according to claim 9, wherein the second information is voice information in response to the call. The control method according to any one of claims 6 to 10, wherein the first information includes information about the state of the second region. A program for causing a computer to execute the control method according to any one of claims 6 to 11.

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