JP2015056741A - Emergency call system, server and emergency call method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an emergency call system capable of giving an outgoing instruction to an emergency call unit 1 by specifying more appropriate call destination, in the case of emergency call.SOLUTION: An emergency call unit 1 includes identification information transmission means 13 for transmitting identification information over data communication network 6, and voice call means 16 for originating voice call to PBX 2 or an operator telephone 3 indicated by call destination information received over the data communication network 6. A server 4 includes caller confirmation means 42 for receiving the identification information over the data communication network 6, call destination determination means 43 for determining the incoming PBX 2 or operator telephone 3 of voice call from the emergency call unit 1, depending on predetermined conditions including the use situation of the operator telephone 3, and call destination information transmission means 44 for transmitting the call destination information indicating the PBX 2 or operator telephone 3 thus determined over the data communication network 6.

Description

  The present invention relates to an emergency call system, a server, and an emergency call method for making a call by voice call from an emergency call device to a call center or the like.

  2. Description of the Related Art Conventionally, an emergency call system has been used that makes an emergency call by voice call via a telephone line network from an emergency call device possessed by a user to a call center or the like (see, for example, Patent Documents 1 to 3).

  In Patent Document 1, when a wireless signal including an emergency message is transmitted from a portable cordless handset, a bell of a telephone in a pre-registered location such as a fire department telephone connected to a telephone network is ringed and transmitted. A configuration is disclosed in which an emergency message or the like is transmitted to a fire department staff who has off-hooked the handset. With this configuration, it is possible to reliably report that an emergency has occurred to a person at a location designated in advance.

  Further, Patent Document 2 discloses that a caller number when a call is received and a stored telephone number in a notification device that automatically calls a preset notification destination by pressing a predetermined operation button of a mobile phone. Discloses a configuration in which a telephone line is connected in an off-hook state when the two match. With this configuration, the line between the call center and the reporting device is connected even when the line is disconnected during reporting and the user cannot go off-hook.

  Further, in Patent Document 3, when a mobile phone transmits a call signal in which its own location information is added to an emergency phone number, the mobile phone switch is an emergency call destination phone associated with the area information including the location information. A configuration for obtaining a number and making a call to the telephone number of the requested emergency call destination is disclosed. With this configuration, it is possible to connect with high probability to an emergency call destination having jurisdiction over the area where the mobile phone that made the emergency call exists.

JP 2002-209026 A JP 2011-145733 A JP 2004-265191 A

  In an emergency call system, it is generally desirable that the same operator at the same call center responds until one emergency call case is resolved. However, Patent Documents 1 and 2 do not disclose a configuration for determining a fire department member (operator) as a transmission destination in accordance with a portable cordless handset (mobile phone), which leads to a random operator each time a report is made. There was a problem. Further, in the configuration of Patent Document 3, since the destination is selected according to the location information of the mobile phone, when the user makes an emergency call multiple times while moving, each emergency call is sent each time. There was a problem of receiving calls at different call centers.

  The present invention has been made to solve the above-described problems. An emergency call system, a server, and an emergency call system that can specify a more appropriate report destination and give a call instruction to an emergency call device when an emergency call is made The purpose is to provide a reporting method.

  The emergency call system according to the present invention connects an emergency call device and a plurality of voice response means via a telephone line network or a data communication network, and connects the emergency call device and a server via a data communication network. The emergency call device includes an identification information transmitting means for transmitting identification information unique to the emergency call device via the data communication network, and a notification destination information received via the data communication network. A voice call means for sending a voice call to the voice response means, and the server includes a caller confirmation means for receiving identification information via the data communication network and a voice response means for receiving a voice call from the emergency call device. A notification destination determination means for determining according to a predetermined condition including the usage status of the voice response means, and a notification destination transmission for transmitting notification destination information indicating the determined voice response means via the data communication network It is that a stage.

  The emergency call method according to the present invention connects an emergency call device and a plurality of voice response means via a telephone line network or a data communication network, and connects the emergency call device and a server via a data communication network. An emergency call method using an emergency call system comprising: an identification information transmission step of transmitting identification information unique to the emergency call device via the data communication network by the emergency call device; and a server via the data communication network. A caller confirmation step for receiving identification information, and a call destination determination step for determining a voice response means for receiving a voice call from the emergency call device at a server according to a predetermined condition including a use status of the voice response means. And a server to send the notification destination information indicating the determined voice response means to the emergency notification device via the data communication network, and the emergency notification device To voice response unit indicated by the report-destination information received via the signal network and has a voice communication step of transmitting a voice call.

  According to this invention, since it comprised as mentioned above, according to the predetermined conditions including the use condition of a voice response means, a more suitable report destination can be specified and a transmission instruction | indication can be given to an emergency call apparatus.

It is a block diagram which shows the emergency call system which concerns on Embodiment 1 of this invention. It is a block diagram which shows the emergency call apparatus which concerns on Embodiment 1 of this invention. It is a block diagram which shows the server which concerns on Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the emergency call apparatus which concerns on Embodiment 1 of this invention. It is a flowchart which shows operation | movement of the server which concerns on Embodiment 1 of this invention. It is a flowchart which shows the operation | movement which determines the report destination of the server which concerns on Embodiment 1 of this invention. It is a sequence diagram which shows operation | movement of the emergency call system which concerns on Embodiment 1 of this invention (when a report destination responds).

Hereinafter, in order to explain the present invention in more detail, modes for carrying out the present invention will be described with reference to the accompanying drawings.
Embodiment 1 FIG.
FIG. 1 is a configuration diagram illustrating an emergency call system according to the first embodiment. The emergency call system according to Embodiment 1 includes an emergency call device 1, a PBX (private branch exchange) 2, an operator telephone 3, and a server 4. Note that the emergency call device 1 is owned by the user, the PBX 2 and the operator telephone 3 are respectively installed at a plurality of call centers of the emergency call service provider that is a report destination, and the server 4 is provided by a plurality of call centers. It is installed in one of them.

  The emergency call device 1 is a terminal possessed by each user. The emergency call device 1 has a voice call function, and makes a voice call with the operator telephone 3 via the telephone line network 5. Further, it has a data communication function and performs data communication with the server 4 via a data communication network 6 such as the Internet. The configuration of the emergency call device 1 will be described later.

  The PBX 2 is installed in the premises of each call center that is a report destination, relays the operator telephone 3 and the telephone line network 5, and performs line exchange of the telephone line.

  The operator telephone 3 is a telephone for an operator placed in each call center to make a voice call with the emergency call device 1 and is connected to the telephone line network 5 via the PBX 2. Note that the PBX 2 and the operator telephone 3 constitute voice response means.

  The server 4 is installed in any one of a plurality of call centers, and communicates with the emergency call device 1 via the data communication network 6. Further, it is connected to the PBX 2 of each call center, and executes processing for controlling the operation of the PBX 2. The configuration of the server 4 will be described later.

In addition, although the example provided with one emergency call apparatus 1 is shown in FIG. 1, the number of the emergency call apparatuses 1 may be plural. Moreover, although the two report destinations A and B have shown the example provided with one PBX2A and 2B, respectively, the number of report destinations and the number of PBX2 with which each report destination is provided may be arbitrary. In addition, an example is shown in which _n operator telephones 3A _{1 to n} and 3B _{1 to n} (n is an integer of 1 or more) are connected to each PBX 2A and 2B. Different numbers of operator telephones 3 may be connected.

  FIG. 2 is a configuration diagram showing the emergency call device 1 according to the first embodiment. The emergency call device 1 includes a call destination receiving unit 11, an emergency call unit 12, an identification information transmission unit 13, a display unit 14, an operation unit 15, and a voice call unit 16.

  The report destination receiving means 11 executes a process of receiving report destination information indicating a report destination that sends a voice call from the server 4 via the data communication network 6. In the first embodiment, the report destination information includes either the PBX 2 provided at the report destination for receiving a voice call or the telephone number individually assigned to the operator telephone 3.

  The emergency call means 12 is a dedicated button for making a call in an emergency.

  The identification information transmitting unit 13 executes processing for transmitting identification information unique to the emergency call device 1 to the server 4 via the data communication network 6. The identification information includes information that can identify each emergency call device 1 such as a unique ID number or a telephone number assigned to the emergency call device 1. In the first embodiment, a telephone number assigned to the emergency call device 1 is used as identification information.

  The display means 14 is a liquid crystal display or an organic EL display provided in the emergency call device 1, and displays information related to the status of voice calls with the operator telephone 3, data received from the server 4, and other various types of information related to emergency calls. Is.

  The operation means 15 is a touch key or a touch panel provided in the emergency call device 1 and inputs an operation from the user to the emergency call device 1.

  The voice call means 16 executes a process for making a voice call to the telephone number of the PBX 2 or the operator telephone 3 included in the report destination information.

  The emergency call device 1 is configured by a computer including a semiconductor integrated circuit or a one-chip microcomputer on which a CPU is mounted, and a hard disk device (HDD) or a semiconductor disk device (SSD). In addition, a program for causing the computer to function as a report destination receiving unit, an emergency notification unit, an identification information transmitting unit, a display unit, an operation unit, and a voice call unit is stored in the HDD or SSD, and a semiconductor integrated circuit or a one-chip microcomputer Reads out the program and executes each process.

  FIG. 3 is a configuration diagram illustrating the server 4 according to the first embodiment. The server 4 includes user registration means 41, caller confirmation means 42, report destination determination means 43, report destination transmission means 44, communication control means 45, and operator registration means 46.

  The user registration means 41 stores user personal information in advance. The personal information of the user includes name, address, telephone number, age, family contact information, family doctor contact information, moving history, country or place of origin, past reporting history, and the like.

  The caller confirmation means 42 receives the identification information from the emergency call device 1 via the data communication network 6, and the telephone number included in the received identification information is stored in the user registration means 41 in advance. A process for confirming whether or not the number matches is executed.

The report destination determination means 43 receives a voice call from the emergency call device 1 based on the voice response status of each operator telephone 3, the user's personal information, and each operator's personal information, response history information, and arrangement information. A process for determining the PBX 2 or the operator telephone 3 to be executed is executed.
Here, it is assumed that the personal information of each operator includes a name, a country of origin or a place of birth. The response history information includes information on users who have made voice calls in the past by each operator, and information indicating whether or not the voice call has been completed normally after the notification is completed. Further, the arrangement information includes information on which operator telephone 3 each operator is currently arranged.

The report destination transmission unit 44 executes a process of notifying the PBX 2 determined by the report destination determination unit 43 that the voice call from the emergency call apparatus 1 is received. Alternatively, a process for setting the operator telephone 3 to receive a voice call from the emergency call apparatus 1 is executed for the PBX 2 connected to the operator telephone 3 determined by the report destination determination means 43.
In addition, a process of transmitting the telephone number of the PBX 2 or the operator telephone 3 determined by the report destination determination means 43 to the emergency call apparatus 1 as report destination information via the data communication network 6 is executed.

  The communication control means 45 is connected to the data communication network 6 and controls data communication between the emergency call device 1 and the server 4.

  The operator registration means 46 stores the operator's personal information, response history information, and arrangement information in advance.

  The server 4 is configured by a computer including a semiconductor integrated circuit or a one-chip microcomputer on which a CPU is mounted, and an HDD or an SSD. A program for causing the computer to function as user registration means, caller confirmation means, report destination determination means, report destination transmission means, communication control means, operator registration means is stored in the HDD or SSD, and the semiconductor integrated circuit Alternatively, the one-chip microcomputer reads the program and executes each process.

  Next, operation | movement of the emergency call system which concerns on Embodiment 1 is demonstrated using FIGS.

FIG. 4 is a flowchart showing the operation of the emergency call apparatus 1 according to the first embodiment.
First, in step ST11, it is determined whether or not the button of the emergency call means 12 has been pressed. When the button of the emergency call means 12 is pressed (Yes), the process proceeds to step ST12. On the other hand, when the button of the emergency call means 12 is not pressed (No), the emergency call device 1 continues in the standby state.

  Next, in step ST <b> 12, the identification information transmitting unit 13 executes a process of transmitting identification information including the telephone number of the emergency call device 1 to the server 4 via the data communication network 6. After executing the process, the process proceeds to step ST13. Step ST12 constitutes an identification information transmission step.

  Next, in step ST <b> 13, it is determined whether the report destination information is received from the server 4 via the data communication network 6. When the report destination information is received (Yes), the process proceeds to step ST14. On the other hand, when the report destination information is not received (No), the emergency call device 1 continues in the standby state.

  Next, in step ST14, the voice call means 16 executes a process of making a voice call to the telephone number included in the received report destination information. After executing the process, the process proceeds to step ST15. Step ST14 constitutes a voice call step.

  Next, in step ST15, it is determined whether or not a telephone line with any operator telephone 3 is connected. When the telephone line is connected (Yes), the process proceeds to step ST16. On the other hand, when the telephone line is not connected (No), the emergency call device 1 continues in the standby state.

  Next, in step ST16, a voice call with the operator telephone 3 is started.

  As described above, the emergency notification device 1 transmits the identification information to the server 4 via the data communication network 6 and the telephone number included in the notification destination information received from the server 4 via the data communication network 6. A process for making a voice call is executed.

FIG. 5 is a flowchart showing the operation of the server 4 according to the first embodiment.
First, in step ST21, the presence / absence of a report from the emergency call apparatus 1 is determined. That is, it is determined whether or not the identification information is received from the emergency call device 1 via the data communication network 6. When identification information is received (Yes), it progresses to step ST22. On the other hand, when the identification information is not received (No), the server 4 continues the standby state.

  Next, in step ST22, it is determined whether or not the notification is from a registered user. That is, the caller confirmation unit 42 confirms whether the telephone number included in the received identification information matches the telephone number stored in the user registration unit 41 in advance. If the telephone numbers match (Yes), the process proceeds to step ST23. On the other hand, if the telephone numbers do not match (No), the server 4 ends the process. Step ST21 and step ST22 constitute a caller confirmation step.

  Next, in step ST23, the notification destination determination means 43 is based on the voice response status of each operator telephone 3, the personal information of the user, the personal information of each operator, the response history information, and the arrangement information. A process of determining the PBX 2 or the operator telephone 3 that receives a voice call from the terminal is executed. The algorithm of step ST23 will be described later. After executing the process, the process proceeds to step ST24. Step ST23 constitutes a notification destination determination step.

  Next, in step ST24, the notification destination transmission means 44 notifies the PBX 2 determined in step ST23 that the voice call from the emergency notification device 1 that transmitted the identification information is received, or determined in step ST23. For the PBX 2 to which the operator telephone 3 is connected, a process for setting the operator telephone 3 to receive a voice call from the emergency call apparatus 1 that transmitted the identification information is executed. After executing any of the processes, the process proceeds to step ST25.

  Next, in step ST25, the notification destination transmission means 44 notifies the emergency notification device 1 that has transmitted the identification information via the data communication network 6 including the PBX 2 or the telephone number of the operator telephone 3 determined in step ST23. Execute processing to send destination information. Step ST25 constitutes a report destination transmission step.

  As described above, the server 4 confirms whether the telephone number included in the received identification information matches the telephone number stored in advance in the user registration means 41, and the voice call from the emergency call apparatus 1. A process of determining the PBX 2 or the operator telephone 3 that receives the call according to a predetermined condition including the usage status of the operator telephone 3 is executed.

  FIG. 6 is a flowchart illustrating an operation in which the server 4 according to the first embodiment determines a report destination. Specifically, it is a flowchart showing the algorithm of step ST23.

  First, in step ST231, referring to the past report history information of each user stored in the user registration means 41, the past report history from the user corresponding to the telephone number included in the received identification information. The presence or absence of is determined. If there is a report history, it is determined whether or not the report has been completed and the voice call has ended normally. If there is a report history and a past report has not been completed, the process proceeds to step ST232.

  Next, in step ST232, referring to the response history information and arrangement information of each operator stored in the operator registration means 46, the operator who responded to the past notification (hereinafter referred to as “past response operator”) is currently arranged. The operator telephone 3 being identified is identified, and it is determined whether or not the operator telephone 3 is currently receiving a voice response. If the operator telephone 3 is not currently making a voice response, the process proceeds to step ST233.

  Next, in step ST233, the operator telephone 3 on which the past response operator is currently arranged is determined as the operator telephone 3 that receives the voice call from the emergency call device 1.

  On the other hand, if there is no report history in step ST231 or the past report has been completed, and if the operator telephone 3 where the past response operator is currently arranged is currently in voice response in step ST232, the process proceeds to step ST234. .

  In step ST234, the address information of each user stored in the user registration means 41 is referred to, and the report destination (hereinafter referred to as the address) closest to the address of the user who has the emergency call device 1 that transmitted the identification information. It is determined whether or not there is an operator telephone 3 capable of voice response at the first report destination. Specifically, it is determined whether or not there is an operator telephone 3 that is normally connected to the PBX 2 that is the first report destination and that is not currently responding by voice. If there is the operator telephone 3, the process proceeds to step ST235.

  Next, in step ST235, the PBX 2 that is the first report destination is determined as the PBX 2 that receives the voice call from the emergency call device 1.

  On the other hand, if it is determined in step ST234 that there is no operator telephone 3 capable of voice response at the first reporting destination, the process proceeds to step ST236.

  In step ST236, it is determined whether or not there is an operator telephone 3 capable of voice response at a predetermined report destination (hereinafter referred to as “second report destination”) located in the vicinity of the first report destination. Specifically, it is determined whether or not there is an operator telephone 3 that is normally connected to the second report destination PBX 2 and is not currently responding to voice. If the operator telephone 3 is present, the process proceeds to step ST237.

  Next, in step ST237, the PBX 2 that is the second report destination is determined as the PBX 2 that receives the voice call from the emergency call device 1.

  On the other hand, if it is determined in step ST236 that there is no operator telephone 3 capable of voice response at the second reporting destination, the process proceeds to step ST238.

  In step ST238, the information on the country of origin or hometown of each user stored in the user registration means 41 and the information on the country of origin or hometown of each operator stored in the operator registration means 46 are referred to. An operator telephone 3 in which an operator in the same country of origin or hometown as the user of the telephone number included in the received identification information (hereinafter referred to as “hometown operator”) is located other than the first report destination and the second report destination It is determined whether the operator telephone 3 is currently responding to the voice. When it is determined that there is an operator telephone 3 where the same-town operator is arranged and the operator telephone 3 is not currently responding to voice, the process proceeds to step ST239.

  Next, in step ST239, the operator telephone 3 on which the local operator is arranged is determined as the operator telephone 3 that receives a voice call from the emergency call device 1.

  On the other hand, if it is determined in step ST238 that there is no operator telephone 3 on which the local operator is located or that the operator telephone 3 is currently answering voice, the process proceeds to step ST240.

  In step ST240, any one of the PBXs 2 that are installed at a reporting destination other than the first reporting destination and the second reporting destination and that are not currently responding to voices are connected to the voice from the emergency reporting device 1. The PBX 2 that receives the call is determined.

  As described above, the server 4 sends the PBX 2 or the operator telephone 3 that receives a voice call to the report history from the user who owns the emergency call device 1, the location of the report destination, or the country of origin or place of origin of the user. The process determined according to this is executed.

FIG. 7 is a sequence diagram showing an operation when any of the report destinations responds in the emergency call system according to Embodiment 1 of the present invention.
Specifically, the operation of the emergency call device 1 possessed by the user and the operation of the PBX 2 and the server 4 provided in one of the call centers of the emergency call service provider that is the report destination are shown. In the figure, dotted arrows indicate data communication between devices via the data communication network 6, and solid arrows indicate voice calls between the devices via the telephone network 5.
In addition, about the operation | movement of the emergency call apparatus 1 which a user possesses, the same process number (ST11-16) as FIG. 4 is attached | subjected and description is abbreviate | omitted. Moreover, about the operation | movement of the server 4 provided in the call center of the emergency call provider which is a report destination, the same process number (ST21-25) as FIG. 5 is attached | subjected and description is abbreviate | omitted.

As described above, according to the first embodiment, the emergency notification device 1 includes the identification information transmitting unit 13 that transmits identification information via the data communication network 6 and the notification destination information received via the data communication network 6. The server 4 includes a caller confirming unit 42 for receiving identification information via the data communication network 6, and an emergency call device 1. The PBX 2 or the operator telephone 3 that determines the PBX 2 or the operator telephone 3 for receiving a voice call according to predetermined conditions including the usage status of the operator telephone 3 and the determined PBX 2 or the operator telephone 3 via the data communication network 6. The report destination transmission means 44 which transmits the report destination information which shows this to the emergency call apparatus 1 was provided.
Therefore, it is possible to specify a more appropriate report destination and give a call instruction to the emergency call device 1 according to predetermined conditions including the usage status of the operator telephone 3.

Further, the caller confirmation means 42 confirms whether or not the identification information received via the data communication network 6 matches the identification information stored in advance, and the report destination determination means 43 only when the identification information matches. The PBX 2 or the operator telephone 3 that receives a voice call from the emergency call device 1 is determined.
Therefore, the process of specifying an appropriate report destination is executed only for the voice call from the registered user, and the processing load on the server 4 can be reduced.

  In the first embodiment, the configuration using dedicated hardware as the emergency call device 1 is shown. However, the emergency call device 1 may be one in which dedicated software is installed in an existing mobile phone or smartphone. In general, mobile phones and smartphones are equipped with a function for performing voice calls via the telephone line network 5 and a function for performing data communication via the data communication network 6, so that users can purchase dedicated hardware. The emergency call system can be introduced more easily without doing so.

When the emergency call device 1 and the operator telephone 3 have an IP telephone function, a user agent server (UAS) connected to the data communication network 6 is provided instead of the PBX 2, and the data communication network is used instead of the telephone line network 5. 6 may be configured to perform a voice call. In this case, the emergency call device 1 is a user agent client (UAC). When using an IP phone, the user can use the emergency call system at a lower cost.
Further, a voice call via the telephone line network 5 and a voice call via the data communication network 6 may be combined, and the former may be used as the main system and the latter as the sub system.

In addition, regarding the data communication between the server 4 and the emergency call device 1, the configuration of the push type communication in which the call destination information is automatically transmitted from the server 4 to the emergency call device 1 is shown. Any application and protocol may be used as long as the determination can be made in almost real time. For example, an arbitrary application such as push-type email or a short message service (SMS) provided by a telecommunications carrier may be used.
Further, instead of push-type communication, a configuration of pull-type communication in which the emergency notification device 1 accesses a predetermined URL using a protocol such as HTTP and actively acquires notification destination information may be employed.

  As for data communication between the server 4 and the emergency call device 1, it is desirable to take various measures for preventing information leakage, including encrypting data to be transmitted and received.

  In addition, in the first embodiment, in addition to the voice response status of each operator telephone 3, a report destination is determined based on the user's personal information and each operator's personal information, response history information, and arrangement information. However, the condition for determining the report destination is not limited to this, and any parameter may be used depending on the situation.

  In addition, within the scope of the invention, the invention of the present application can be modified with any component of the embodiment or omitted with any component of the embodiment.

1 Emergency call device 2, 2A, 2B PBX
3, 3A, 3B Operator telephone 4 Server 5 Telephone line network 6 Data communication network 11 Report destination reception means 12 Emergency call means 13 Identification information transmission means 14 Display means 15 Operation means 16 Voice call means 41 User registration means 42 Caller confirmation Means 43 Report destination determination means 44 Report destination transmission means 45 Communication control means 46 Operator registration means

Claims (5)

An emergency call system in which an emergency call device and a plurality of voice response means are connected via a telephone line network or a data communication network, and the emergency call device and a server are connected via the data communication network. ,
The emergency call device
Identification information transmitting means for transmitting identification information unique to the emergency call device via the data communication network;
Voice call means for making a voice call to the voice response means indicated by the report destination information received via the data communication network,
The server
Caller confirmation means for receiving the identification information via the data communication network;
A call destination determination means for determining the voice response means for receiving a voice call from the emergency call device according to a predetermined condition including a use status of the voice response means;
An emergency call system comprising: a report destination transmission means for transmitting report destination information indicating the determined voice response means via the data communication network. The caller confirmation means confirms whether the identification information received via the data communication network matches the identification information stored in advance,
The emergency call system according to claim 1, wherein the report destination determination means determines the voice response means for receiving a voice call from the emergency call device only when the identification information matches.   The report destination determining means determines the voice response means according to a report history from a user who possesses the emergency call device, a location of the voice response means, or a country of origin or place of birth of the user. The emergency call system according to claim 1 or claim 2, characterized by the above. A server for managing incoming voice calls via a telephone line network or a data communication network from an emergency call device to a plurality of voice response means,
Caller confirmation means for receiving identification information unique to the emergency call device from the emergency call device via the data communication network;
A call destination determination means for determining the voice response means for receiving a voice call from the emergency call device according to a predetermined condition including a use status of the voice response means;
A server comprising: a notification destination transmission unit configured to transmit notification destination information indicating the determined voice response unit to the notification device via the data communication network. An emergency call by an emergency call system in which an emergency call device and a plurality of voice response means are connected via a telephone line network or a data communication network, and the emergency call device and a server are connected via the data communication network. A method,
In the emergency call device, an identification information transmission step of transmitting identification information unique to the emergency call device via the data communication network;
In the server, a caller confirmation step of receiving the identification information via the data communication network;
In the server, the voice response means for receiving a voice call from the emergency call device is determined according to a predetermined condition including the usage status of the voice response means,
In the server, a notification destination transmission step of transmitting notification destination information indicating the determined voice response means to the emergency notification device via the data communication network;
An emergency call method comprising: a voice call step for sending a voice call to the voice response means indicated by the report destination information received via the data communication network by the emergency call device.

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