JP3369787B2 - Emergency telephone system - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emergency telephone system, and more specifically, it adds the following functions, which are not realized in the conventional multipurpose emergency telephone system, to an existing system.

Calling function from the management station Recalling function from the management station Emergency telephone mounting confirmation function of the communication monitoring means (PSV) Character guidance function of the emergency telephone Calling function from the emergency telephone when all the communication lines are blocked All communication lines Emergency guidance function for emergency telephones when the communication line is completely blocked Failure information notification function for emergency telephones when the communication line is completely blocked Function to switch calls from the control station when the communication line is completely blocked

[0003]

2. Description of the Related Art Emergency telephones, which are installed at regular intervals on highways and the like, are generally used by a user to notify a management station of a fault condition when a vehicle breakdown or accident occurs. It is a thing.

FIG. 12 is a conceptual diagram of the configuration of a conventional emergency telephone system. In the figure, 1 is an emergency telephone installed at a constant interval on an expressway or the like, and shows a case where n number of (1) to (n) are installed. Reference numeral 10 is a management office that manages these emergency telephones 1. The management office 10 is provided, for example, for each toll booth. 2 is a communication line connecting the management office 10 and the emergency telephone 1 3
Is also a PB signal bus for connecting the management office 10 and the emergency telephone 1 and exchanging information with a push button (PB) signal.

In the management office 10, 11 is an exchange provided in the management office (hereinafter referred to as exchange B), 12
Is a communication control means (ELC) connected to the exchange B and the communication line 2, and 13 is a communication monitoring means (PSV) connected to the exchange B and the PB signal bus 3. Communication control means 1
2 and the communication monitoring means 13 are connected by a communication line 14 and a PB signal bus 15. Reference numeral 16 is a general telephone connected to the exchange 11, and 17 is a digital trunk line circuit (DTK).
Is.

Reference numeral 20 denotes a management station which is connected to at least one management office 10 via a relay line 4 and manages the entire system. A relay line 4 connects the management station 20 and the management office 10. In the management station 20, 21 is an exchange provided in the management station (hereinafter referred to as exchange A),
Reference numeral 22 is a reception board that is connected to the exchange A and displays the state of the emergency telephone 1, 23 is a general telephone that is connected to the exchange A, and 24 is a digital trunk line circuit (DTK) that is connected to the trunk line 4.

In the system constructed as above,
When a call is made from one of the emergency telephones 1, this call status is received by the communication control means 12 in the management office 10. The received calling state enters the digital relay line circuit 24 of the management station 20 from the digital relay line circuit 17 via the exchange B via the relay line 4, and is notified to the reception board 22 via the exchange A. It is displayed on the display of the table 22.
As this display, for example, a CRT display is used.

FIG. 13 is a diagram showing a display example of a reception board.
The CRT display 22a attached to the reception board 22 is provided with serial numbers for each piece of received information, the location where the received emergency telephone is installed, push button information, status information, and the telephone number of the emergency telephone. The type of reception information is displayed. Here, the push button information is provided for a user such as a deaf person who cannot notify the information by voice. The deaf person has a button (fault information) indicating the type of fault of the emergency telephone as shown in FIG. Information can be notified to the management station 20 by pressing a notification button.
In the figure, button information corresponding to the type of failure is indicated by ●.

FIG. 14 is a diagram showing an external configuration example of an emergency telephone. The emergency telephone 1 is composed of a main body 1A and a handset 1B. The main body 1A is provided with a push button switch for each type of obstacle for a deaf person (a person having a conversation disability). 31 is an accident push button, 32 is a fire push button, 33 is a failure push button, 34 is an emergency push button, 31a is an accident indicator lamp, 32a is a fire indicator lamp, 33a is a failure indicator lamp, and 34a is an emergency indicator. It is a lamp. When a failure occurs, the user takes off hook of the handset 1B. This calling state is based on the communication line 2 described above.
→ communication control means 12 → exchange B → digital relay line circuit 17 → relay line 4 → digital relay line circuit 24 → exchange A
→ The reception desk 22 is notified by the route of the reception desk 22. At the management station 20, a person in charge exchanges a call with the user using a telephone attached to the reception board 22. At this time, the lamp 35 indicating that the call is in progress is turned on.

When the user is a deaf person, the handset 1B
Off the hook and pressing the accident type button, the corresponding lamp (one of 31a to 34a) lights up, and this information follows the above-mentioned route to reach the reception board 22, and is shown in FIG. The contents of the failure are displayed by such a display.

The reception board 22 listens to the situation of an accident or the like by a voice from the user, gives an instruction to the user according to the situation, and notifies another service organization of the instruction corresponding to the situation. For example, when the notification from the user indicates that the vehicle is out of order, the road service department (for example, JAF) can receive the reception desk 2
Call from the second phone via the public network.

The management station 20 and the management office 10 are
A call quality test can be conducted for each emergency telephone 1. General telephone 2 of the management station 20 and the management office 10
When the communication monitoring means 13 is instructed to carry out a call quality test from 3, 16 the communication monitoring means 13 requests the call quality test and the terminal number of the emergency telephone 1 (attached to each emergency telephone 1). Number) to PB signal
The signal is placed on the signal bus 3 and transmitted to the emergency telephone 1.

Each emergency telephone 1 receives this PB signal, but only the emergency telephone having the corresponding terminal number responds to this PB signal. Receiving the call quality test request, the corresponding emergency telephone 1 converts the call quality test response into a PB signal and communicates it with the communication line 2 → communication control means 12 → PB signal bus 15 → communication monitoring means 13 to the communication monitoring means 13. Notice. The communication monitoring means 13 sends the received call quality test response to the management station 2
0 and the general telephones 23 and 16 of the management office 10. In the speech quality test, the tester listens to the test response (PB signal) to the test request on the general telephones 23 and 16 to confirm normality.

Further, the communication monitoring means 13 can carry out a power failure monitoring test for each emergency telephone 1 at a predetermined cycle. The communication monitoring means 13 converts the power failure monitoring test request and the terminal number of the emergency telephone 1 into a PB signal at predetermined intervals and transmits the PB signal to the emergency telephone 1 via the PB signal bus 3. Each emergency telephone 1 receives this PB signal, but only the emergency telephone having the corresponding terminal number responds to this PB signal. Receiving the power failure monitoring test request, the corresponding emergency telephone 1 similarly converts the terminal number of its own emergency telephone into a PB signal and transmits it to the communication monitoring means 13 via the PB signal bus 3. In the power failure monitoring test, the communication monitoring means 13 receives the terminal number of the emergency telephone 1 to confirm that there is no power failure.

When the user calls the emergency telephone 1,
The emergency telephone 1 uses the terminal number of the emergency telephone as a PB signal to communicate with the communication line 2-> communication control means 12-> exchange B-> digital trunk line 17-> trunk line 4-> exchange A through the exchange A as a reception board of the management station 20. 22 to 22. The reception desk 22 has as a data the location of the emergency telephone 1 managed by each management office 10, and searches the data with the received terminal number to find the location of the emergency telephone. Is displayed on the CRT display 22a.

In addition, an accident on the main body 1A side of the emergency telephone 1
When any of the four buttons for fire / fault / emergency (button for notification of fault information for the deaf, see Fig. 13) is pressed,
The emergency telephone 1 transmits a PB signal corresponding to the failure information to the reception board 22 of the management station 20 via the communication line 2-> communication control means 12-> exchange B-> digital trunk line 17-> trunk line 4-> switch A. To do. The reception board 22 analyzes the PB signal based on the received failure information and displays what kind of failure the user has on the CRT display 22a as shown in FIG. For example, when the information to be notified by the user is a car breakdown, the trouble button 33 is pressed to control the management station 2
Since it is displayed on the CRT display 22a in 0,
It is possible to confirm where the car is broken down and contact the road service department from the reception desk 22.

[0017]

However, in the above-mentioned conventional emergency telephone system, the user can know the failure status at the reception desk 22 by making a call, but the user can use the handset 1B of the emergency telephone. After disconnecting (on-hook), or when the handset 1B is on-hook,
There is a problem that the emergency telephone 1 cannot be called from the reception desk 22 of the management station 20. This means that there is no means for calling the user from the management station 20 when the user wants to know more detailed fault information. Further, there is a problem that there is no means for transmitting another request to the maintenance person or worker for the malfunction of the emergency telephone 1 or the malfunction of the peripheral device thereof or for listening to the work status.

Further, in the conventional emergency telephone system, the communication monitoring means 13 manually associates the telephone number used for the call quality test with the terminal number. There is a problem that you have to be aware of. On the management station 20 side, the emergency telephone 1
This is because the management of the above is performed by the telephone number, and therefore, when installing the emergency telephone 1, it is necessary to associate the terminal number assigned to the emergency telephone 1 with the telephone number.

Further, in the conventional emergency telephone system, there is a problem that even if the deaf person makes a call and presses the fault information notification button, nothing is done to the deaf person. For a deaf person, this means that he or she cannot confirm that the current situation has been transmitted to the management station 20, and that he / she does not know what to do next.

Further, in the conventional emergency telephone system, when all the other emergency telephones 1 are called while all the emergency telephones 1 that can be controlled by the communication control means 12 are used, the management station 20 is notified of the information. There is a problem that nothing is transmitted and nothing is done to the user. For example, when the number of emergency telephones 1 that can be controlled by the communication control means 12 shown in FIG. 12 is set to 2, normally, a ringback tone is heard from the handset 1B until the reception desk 22 responds.
If both are in use, the third emergency phone 1
There is no sound even when the user of makes a call. This may cause the user to erroneously determine that the emergency telephone 1 is out of order. In addition, even in the event of an emergency, the management station 20
There is a problem that information cannot be notified to.

The present invention has been made in view of the above problems, and an object thereof is to provide an emergency telephone system capable of surely performing two-way communication between a management station side and a user. There is.

[0022]

FIG. 1 is a block diagram showing the principle of the present invention. The same parts as those in FIG. 11 are designated by the same reference numerals. In the figure, reference numeral 1 is a plurality of emergency telephones installed on the road, 10 is connected to the plurality of emergency telephones 1 via a communication line 2 and a PB signal bus 3, and at least the communication state of each emergency telephone 1 is monitored. One management office, 20 is connected to the management office 10, and is a management station that performs overall management of each management office 10 and the emergency telephone 1 managed by the management office 10. Reference numeral 40 denotes a communication means for performing two-way communication between the management office 10 provided in the management office 10 and the emergency telephone 1, and 50 denotes the management station 20 provided in the management station 20 and the emergency telephone 1. It is a communication means for performing bidirectional communication between them. Reference numeral 60 denotes a communication means provided in the emergency telephone 1 for performing two-way communication with the management office 10 and / or the management station 20.

In this case, there is provided a means for calling each emergency telephone 1 by the communication means 50, the communication means 40 and the communication means 60 from the reception desk and / or the general telephone installed in the management station 20, This is preferable for bidirectional communication between the management station 20 side and the user.

Further, the management station 20 is provided with a storage means for storing incoming call information and call information from each emergency telephone 1,
Even when the incoming call from each emergency telephone 1 and / or the call with each emergency telephone 1 is finished, the emergency telephones that have received and / or terminated the call can be selected by reading the information stored in the storage means. It is preferable that the communication means recalls the user from the management station 20 side.

Further, the communication monitoring means for monitoring the power failure and the call quality test provided in the management office 10 can confirm the mounting state of the emergency telephone 1 connected to the PB signal bus 3. It is preferable for recognizing the mounting state of the emergency telephone 1.

Further, when the fault information notification button for the deaf person provided on the emergency telephone 1 is pressed, the information is notified to the management station 20 by the communication means 60, the communication means 40 and the communication means 50. , The emergency telephone 1 is a management station 2
It is preferable to receive the instruction from 0 and notify the user of the text guidance in order to inform the user of the optimum coping method.

Further, when all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, another emergency telephone 1 has a function of requesting a call from the management station 20,
It is preferable for making a call with the management station 20 even when the communication line is blocked.

When all the communication lines 2 between the management station 20 and the emergency telephone 1 are in use, another emergency telephone 1
In order to communicate with the management station 20 even when the communication line is blocked, the user can be notified of the voice guidance or the text guidance based on the instruction from the management station 20 by the communication means 50, the communication means 40 and the communication means 60. Is preferred.

When all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, another emergency telephone 1
Is preferably provided with a function of notifying the management station 20 of failure information in order to notify the management station 20 of failure information even when the communication line is blocked.

Furthermore, when all the communication lines 2 between the management station 20 and the emergency telephone 1 are in use, a function of making a call by a call switching function by operating a reception board in the management station 20 is provided. Management station 2 even when the communication line is blocked
This is preferable in that a call can be made with 0.

[0031]

[Operation] Management station 20, management office 10 and emergency telephone 1
Each of them is provided with communication means 50, 40, 60 for bidirectional communication between the management station 20 and the emergency telephone 1. As a result, it has become possible to notify the information from the management station 20 side to the emergency telephone 1 side in the past, but it becomes possible to ensure bidirectional communication between the management station side and the user. Become. As an example, P
By using the B signal as the call information, only the incoming call from the emergency telephone 1 can be received at the reception board 22.
It is also possible to receive calls from. Further, since the number of emergency telephones to be managed by the management station 20 can be received by the management station 20 side by uploading according to the connection confirmation request information, the management station 2 has been able to receive it.
If it is 0, the emergency telephone registration that has been manually performed can be automatically performed. In addition, if the emergency telephone 1 that cannot be used because the line is blocked,
Recognizes that the line is blocked, transmits a call request from the emergency telephone 1 side to the reception desk 22 on the management station side, and can notify the user by the guidance.

In this case, by providing means for calling each emergency telephone 1 by the communication means 50, the communication means 40 and the communication means 60 from the reception desk and / or the general telephone installed in the management station 20, Management station 20
Two-way communication can be performed between the side and the user.

Further, the management station 20 is provided with a storage means for storing incoming call information and call information from each emergency telephone 1,
Even when the incoming call from each emergency telephone 1 and / or the call with each emergency telephone 1 is finished, the emergency telephones that have received and / or terminated the call can be selected by reading the information stored in the storage means. By recalling by the communication means, the user can be recalled from the management station 20 side.

Further, the communication monitoring means, which is provided in the management office 10 and performs a power failure monitoring and a call quality test, confirms the mounting state of the emergency telephone 1 connected to the PB signal bus 3, The mounting state of the emergency telephone 1 can be recognized.

Further, when the fault information notification button for the deaf person provided on the emergency telephone 1 is pressed, the information is notified to the management station 20 by the communication means 60, the communication means 40 and the communication means 50. , The emergency telephone 1 is a management station 2
By receiving the instruction from 0 and notifying the user of the text guidance, it is possible to notify the user of the optimum coping method.

When all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, the other emergency telephones 1 have a function of requesting a call from the management station 20 to block the communication line. A call can be made with the management station 20 at any time.

When all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, another emergency telephone 1
Notifies the user of voice guidance or text guidance based on an instruction from the communication means 50, the communication means 40, and the communication means 60 from the management station 20, so that the user can talk with the management station 20 even when the communication line is blocked. it can.

When all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, another emergency telephone 1
Since the management station 20 has a function of notifying the management station 20 of the failure information, the management station 20 can be notified of the failure information even when the communication line is blocked.

Furthermore, when all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, the function of making a call by the call switching function by operating the reception board in the management station 20 is provided, A call can be made with the management station 20 even when the communication line is blocked.

[0040]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 2 is an operation explanatory diagram of the first embodiment of the present invention, and shows the calling function of the emergency telephone 1. Figure 1,
The same parts as those in FIG. 12 are designated by the same reference numerals. The basic configuration of the system shown in the figure is the same as the system shown in FIG. In the figure, reference numeral 21 is an exchange (exchange A) provided in the management station 20. Reference numeral 25 is a call processing control unit (CPR) provided in the exchange A. Reference numeral 22 is a reception board connected to the exchange A. PS in exchange A is PB
The sender is connected to the call processing control unit 25. A relay line 4 connects the management station 20 and the management office 10.

Reference numeral 11 denotes an exchange (exchange B) provided in the management office 10. In the exchange B, 12 is a communication control means (ELC) for performing communication control, 13 is a communication monitoring means (PSV) for performing communication monitoring processing, and 18 is a call processing control section (CPR) for performing call processing control. PR is PB
The receiver and PS are PB senders that receive signals from the PB receiver PR. In the emergency telephone 1, PR is a PB receiver that receives ringer-on information or ringer-off information. Then, in the management station 20, the management office 10 and the emergency telephone 1, these constituent elements are organically combined to form the communication means 50, 40 and 60 shown in FIG. 1, respectively.

As described above, the management station 20, the management office 10
By providing a communication means for bidirectional communication in each of the emergency telephone 1 and the emergency telephone 1, it has become possible to notify the emergency telephone 1 side of information from the management station 20 side in the past. Two-way communication can be reliably performed with the user. The calling function for calling the emergency telephone 1 from the management station 20 side using the emergency telephone system configured as described above will be described below.

A case where the emergency telephone 1 is called from the reception desk 22 will be described. In this embodiment, the call is made by dialing the call button and the telephone number for the call quality test of the emergency telephone 1 from the reception desk 22.

Call button on the reception board 22 (not shown)
When is pressed, a call request is sent to the call processing control unit 25 in the exchange A, and the exchange A is in a call destination telephone number waiting state. Next, when the callee (telephone number of the emergency telephone 1) is dialed at the reception desk 22, the call processing control unit 25 of the exchange A converts the call request and the terminal number corresponding to the telephone number into a PB (push button) signal. Then, the call processing control unit 18 of the exchange B of the management office 10 from the trunk line 4
Send to.

The call processing controller 18 of the exchange B analyzes the PB signal received by the PB receiver PR and sends it to the PB sender PS of the communication monitoring means 13. at the same time,
A ringback tone (RBT) is transmitted to the reception desk 22. Upon receiving the call request and the terminal number, the communication monitoring means 13 sends ringer-on information for operating the ringer circuit to the PB receiver PR of the emergency telephone 1 via the PB signal bus 3 as a PB signal.

In the emergency telephone 1, the ringer-on information is sent to the PB.
When received by the receiver PR, a ringer circuit (not shown) in the emergency telephone can be operated to emit a ringer sound. Further, when the call is stopped, the reception board 22 disconnects the call, and similarly, the disconnection request for stopping the ringer circuit and the terminal number are transmitted to the emergency telephone 1. When the emergency telephone 1 receives the ringer-off information by the PB receiver PR in the same sequence as described above, it can stop the ringer circuit in the emergency telephone to stop the ringer sound. Thus, according to the first embodiment, the management station 20
Two-way communication between the management station 20 side and the user is performed by calling each emergency telephone 1 by the communication means 50, the communication means 40, and the communication means 60 from the reception desk 22 and / or the general telephone installed inside. It can be done reliably.

FIG. 3 is a block diagram showing an embodiment of a calling circuit provided in the emergency telephone 1. PB
When the signal input unit 61 receives the ringer on information (PB signal) sent from the reception board 22 from the PB signal bus 3,
The input PB signal pattern search unit 62 is notified. The input P
When the B signal pattern search unit 62 receives the PB signal,
It judges whether it is ringer-on information or ringer-off information, and notifies the ringer pattern generation unit 63 of the judgment result. The ringer pattern generation unit 63 generates a ringer pattern in the case of ringer on information, and stops the ringer generation in the case of ringer off information. The ringer output unit 64 inputs the ringer pattern supplied from the ringer pattern generation unit 63, drives the speaker 65, and causes the ringer sound to ring.

FIG. 4 is a block diagram showing the essential parts of the second embodiment of the present invention, showing the structure of a recall circuit for recalling the emergency telephone 1 from the management station 20 side. The recall circuit is provided in the reception board 22 in the management station 20. The same parts as those in FIGS. 1 and 12 are designated by the same reference numerals. The PB signal input unit 51 inputs the PB signal sent from the emergency telephone 1 sent via the relay line 4. The PB signal analysis unit 52 includes a PB signal input unit 5
When the PB signal notified from 1 is received, it is analyzed whether the input PB signal is a terminal number. When the PB signal is the terminal number, the terminal number storage unit 53 is notified of that fact. The terminal number storage unit 53 stores in the internal memory the terminal number from the emergency telephone 1 that has received an incoming call to the reception board 22.

When the recall key of the emergency telephone by key input is pressed, the key information function unit 57 encodes the pressed key and notifies the recall button press detection circuit 58 of the encoded key. When the recall button press detection circuit 58 detects that the input encode signal is a recall button press, it notifies the stored information search unit 54. When the accumulated information searching unit 54 recognizes that a recall request is generated by pressing the recall button, the accumulated information searching unit 54 accesses the terminal number accumulating unit 53 to CR the output of the terminal number accumulating unit 53.
It is displayed on the CRT display 22a via the T display display function unit 59. Then, the terminal number corresponding to the emergency telephone displayed on the CRT display 22a is searched for, the PB code pattern corresponding to the terminal number is activated by the PB code pattern generation unit 55 to generate the PB code pattern, and the PB signal is output together with the call request signal. The data is sent from the section 56 to the emergency telephone 1.

FIG. 5 is a diagram for explaining the operation of the second embodiment of the present invention and shows the recall function of the emergency telephone 1. Figure 2
The same parts as those shown in FIG. Reception desk 22
When the recall button is pressed from, the reception board 22 transmits a recall request to the exchange A. In the exchange A, when the call processing control unit 25 receives this recall request, it searches the terminal number storage unit 53 (see FIG. 4) and reads the terminal number. Next, the PB sender PS sends the recall request and the terminal number to the exchange B via the trunk line 4. In the exchange B, the PB receiver PR of the call processing controller 18 receives the recall request and the terminal number, and the communication monitoring means 13
To the PB sender PS. The PB sender PS receives the call request and the terminal number, generates ringer on information, and sends it to the emergency telephone 1. In the emergency telephone 1, the calling circuit generates a ringer and causes a speaker to ring (see FIG. 3).

According to this embodiment, the reception board 22 of the management station 20 is provided with a storage means for storing the incoming call information and the call information from each emergency telephone 1, and the incoming calls from each emergency telephone 1 and / or each emergency telephone 1 are provided. Even after the call with 1 is terminated, the information stored in the storage means is read out to select each of the emergency telephones that have received and / or terminated the call, and the communication means recalls the emergency call. The user can be recalled from the 20 side.

FIG. 6 is a diagram for explaining the operation of the third embodiment of the present invention, showing the emergency telephone mounting confirmation function of the communication monitoring means 13. The same parts as those in FIG. 2 are designated by the same reference numerals. The connection confirmation request from the exchange A is transmitted to the exchange B via the trunk line 4. When the exchange B receives the connection confirmation request, the call processing control unit 18 receives the connection confirmation request at the PB receiver PR and notifies the PB sender PS of the communication monitoring means 13 of the connection confirmation request. The communication monitoring means 13 transmits to the emergency telephone 1 via the PB signal bus 3 in response to a connection confirmation request from the call processing controller 18.

In the emergency telephone 1, each of the installed emergency telephones outputs the connection confirmation response and its own terminal number as P.
It is transmitted to the communication monitoring means 13 of the exchange B via the B signal bus 3. Upon receiving the connection confirmation response and the terminal number from each emergency telephone 1, the communication monitoring means 13 receives the call processing control unit 1.
8 as connection status information. Call processing controller 18
Receives the connection status information to generate a telephone number used in the call quality test. The call processing controller 18
Sends the connection status information from each emergency telephone 1 to the call processing controller 25 of the exchange A.

As described above, according to the third embodiment, the communication monitoring means 13 provided in the management office 10 for monitoring a power failure and performing a call quality test is connected to the PB signal bus 3. By checking the mounting state of the telephone 1, the mounting state of the emergency telephone 1 can be confirmed.

FIG. 7 is a diagram for explaining the operation of the fourth embodiment of the present invention, showing the character guidance function of the emergency telephone 1.
The same parts as those in FIG. 2 are designated by the same reference numerals. When the user recognizes the fault information notification button (for deaf person) of the emergency telephone 1, the target buttons 31 to 34 (see FIG. 14).
Press any of the. By pressing this failure notification button, the failure information is sent to the management station 2 via the communication line 2.
0 is notified. At the same time, the text guidance A "Notifying the management station." Is displayed.

On the other hand, when receiving the fault information, the reception board 22 of the management station 20 transmits the fault information notification completion and the guidance type n corresponding to the fault to the emergency telephone 1. On the emergency telephone 1, when the failure information notification is completed and the guidance type n is received, the guidance displayed from the guidance type n is retrieved from the internal memory, the corresponding guidance is read, and the text guidance “Please evacuate in a safe place and wait. . "Is displayed on the display of the emergency telephone 1. When the disconnection of the call is recognized, the guidance is stopped.

As described above, according to the fourth embodiment, the emergency telephone 1 receives the instruction from the management station 20 and notifies the user of the text guidance to inform the user of the optimum coping method. be able to.

FIG. 8 is a diagram for explaining the operation of the fifth embodiment of the present invention and shows a call request function from the emergency telephone 1 when the communication line is completely blocked. The same parts as those in FIG. 2 are designated by the same reference numerals. Here, a case will be described in which the number of communication lines is 2, and the user calls the emergency telephone while the emergency telephone and the emergency telephone are in use. Since the number of communication lines is 2 when a call is made from the emergency telephone, it is not possible to make a call from the emergency telephone. When the emergency telephone recognizes that the line is blocked, it transmits the call request and the terminal number of the emergency telephone to the communication monitoring means 13 of the exchange B as a PB signal via the PB signal bus 3.

In the communication monitoring means 13, the built-in PB receiver PR receives the PB signal and notifies the call processing control section 18 of the exchange B of the information. In the call processing control unit 18,
The received information is temporarily stored in the internal memory. Next, the call processing control unit 18 establishes the relay line 4 with the call processing control unit 25 of the exchange A, and transfers this information to the call processing control unit 25 of the exchange A by a PB signal via the relay line 4. Send.

The call processing controller 25 of the exchange A receives the PB signal by the built-in PB receiver PR and analyzes the received information. Upon receiving the call request and the terminal number, the call processing control unit 25 of the exchange A displays on the CRT display 22a on the reception board 22 that the emergency telephone is waiting for an available line. At this time, by pressing the call request response button on the reception board 22, the corresponding emergency telephone is registered in the internal memory of the call processing control unit 25 of the exchange A while waiting for an available line. At the same time, the call processing control unit 25 transmits the call request completion and the terminal number to the call processing control unit 18 of the exchange B from the trunk line 4 as a PB signal. This information is notified to the emergency telephone by the PB signal via the PB signal bus 3 via the communication monitoring means 13. The message "Please wait for a while" is displayed on the display of the emergency telephone. After this, if the line becomes available, the emergency telephone and the reception desk 2
It becomes possible to talk with 2.

In this case, by using a digital system such as ISDN for connecting a trunk line between the call processing control unit 25 of the exchange A and the call processing control unit 18 of the exchange B, the call request from the exchange B and the terminal Number and exchange A
It is possible to send and receive the call completion from the terminal and the terminal number as packet information.

As described above, according to the fifth embodiment, when all the communication lines 2 between the management station 20 and the emergency telephone 1 are used, another emergency telephone 1 requests the management station 20 to make a call. By including the above, it is possible to talk with the management station 20 even when the communication line is blocked.

FIG. 9 is a diagram for explaining the operation of the sixth embodiment of the present invention, and shows the voice guidance function of the emergency telephone 1 when the communication line is completely blocked. The same parts as those in FIG. 2 are designated by the same reference numerals. In the figure, it is assumed that the emergency telephone and the emergency telephone are talking with the management station 20, and the communication line is 2. When the user makes a call to the emergency telephone in such a state, the emergency telephone recognizes that the line is completely blocked. Then, the call request and the terminal number are transmitted from the PB signal bus 3 to the management station 20 by a PB signal. At the same time, start voice guidance A on the attached display,
Display “Please wait as it is.” To inform the user that the call is waiting.

On the management station 20 side, the call request waiting is registered by the same operation as shown in FIG. 8, and the call request registration completion is transmitted from the reception board 22 of the management station 20 to the emergency telephone.
When the emergency telephone receives this call request registration completion, it stops voice guidance A, starts voice guidance B, and plays the voice guidance "Please call the management station and wait." here,
When the user hooks the handset on the hook, the emergency telephone recognizes the disconnection request and stops the voice guidance. As described above, according to the sixth embodiment, when the communication line is completely used, the user and the management station 20 are notified even if the communication line is completely blocked by notifying the user of the voice guidance or the text guidance. You can make a call between them.

FIG. 10 is a diagram for explaining the operation of the seventh embodiment of the present invention and shows a call request function from the emergency telephone 1 when the communication line is completely blocked. The same parts as those in FIG. 2 are designated by the same reference numerals. It is assumed that there are two communication lines and that the emergency telephone and the emergency telephone are in use. When the user calls the emergency telephone, the emergency telephone 1 recognizes that the line is blocked. Then, the call request from the PB sender PS built in the emergency telephone and the terminal number of the relevant emergency telephone are sent to the PB signal bus 3
It transmits to the reception desk 22 via. At the reception desk 22, the call request is displayed on the CRT display 22a.

Next, on the emergency telephone side, the user presses the fault information notification (for deaf person) button. As a result,
The fault information is transmitted from the PB sender PS via the PB signal bus 3 to the communication monitoring means 13 of the exchange B as a PB signal. In the communication monitoring means 13, the PB receiver PR receives this information and notifies the PB sender PS of the call processing controller 18 of this information. The call processing controller 18 stores the received fault information in the internal memory.

Next, the call processing control unit 18 of the exchange B establishes the trunk line 4 with the call processing control unit 25 of the exchange A,
This fault information is sent as a PB signal to the exchange A via the trunk line 4.
To the call processing controller 25. In the call processing control unit 25 of the exchange A, the built-in PB receiver PR receives the PB signal and analyzes the information. Call processing control unit 25 of exchange A
Upon receipt of the fault information, cancels the call waiting registration of the corresponding emergency telephone, and displays the fault information of the emergency telephone on the CRT display 22a of the reception board 22.

The fault information from the exchange B is transmitted and received as packet information by using a digital system such as ISDN for connecting the trunk line between the call processing control unit 25 of the exchange A and the call processing control unit 18 of the exchange B. be able to.

As described above, according to the seventh embodiment, when the management station 20 and the communication line 2 of the emergency telephone 1 are all used, the other emergency telephone 1 sends the fault information to the management station 20. By providing the function of notifying, it is possible to notify the management station 20 of the failure information even when the communication line is blocked.

FIG. 11 is a diagram for explaining the operation of the eighth embodiment of the present invention, showing the function of switching the call from the emergency telephone 1 when the communication line is completely blocked. The same parts as those in FIG. 2 are designated by the same reference numerals. It is assumed that there are two communication lines and that the emergency telephone and the emergency telephone are in use. When the user calls the emergency telephone, the emergency telephone 1 recognizes that the line is blocked. Then, the call request and the terminal number of the corresponding emergency telephone are transmitted from the PB sender PS built in the emergency telephone to the reception board 22 via the PB signal bus 3. At the reception desk 22, the call request is displayed on the CRT display 22a.
At the same time, the corresponding emergency telephone uses the built-in voice guidance function to play a "Please wait." Voice to inform the user that the call is waiting.

On the other hand, on the side of the reception board 22 that has received the call request, the operator presses the call switching button. Upon receiving this call switching request, the call processing control unit 25 of the exchange A switches the call line. As a result, reception desk 2
The call processing control unit 25, in which the emergency telephone in communication with 2 is put on hold and listens to the on-hold tone, completes the call switching from the PB sender PS and the terminal number by the PB signal to the exchange B.
Is sent to the call processing control unit 18. This information is notified from the PB sender PS of the communication monitoring means 13 to the emergency telephone via the PB signal bus 3 as a PB signal. The emergency telephone receiving this information cancels the voice guidance. This enables a call between the emergency telephone and the reception desk 22. Thus, according to the eighth embodiment, the management station 20
By providing the function of making a call by the call switching function of the reception board 22 in the inside, it is possible to make a call with the management station 20 even when the communication line is blocked.

[0072]

As described above in detail, according to the present invention, the management station, the management office, and the emergency telephone are provided with communication means for performing two-way communication between the management station and the emergency telephone. With the provision, it was possible to notify the emergency telephone side of the information from the management station side in the past, but now it is possible to ensure reliable two-way communication between the management station side and the user. Become.

In this case, by providing means for calling each emergency telephone by the communication means from the reception desk and / or the general telephone installed in the management station,
Two-way communication can be performed between the management station side and the user. Further, the management station is provided with a storage means for storing incoming call information and call information from each emergency telephone, and is stored in the storage means even when an incoming call from each emergency telephone and / or a call with each emergency telephone is completed. The user can be recalled from the management station side by reading out the stored information and selecting each emergency telephone that has received and / or terminated the call and recalled by the communication means.

Further, the communication monitoring means, which is provided in the management office and monitors the power failure and tests the communication quality, is a PB.
By checking the mounting state of the emergency telephone connected to the signal bus, the mounting state of the emergency telephone can be recognized.

Further, when the fault information notification button for the deaf person provided on the emergency telephone is pressed, the information is notified to the management station by the communication means, and the emergency telephone receives an instruction from the management station. By receiving and notifying the user of the text guidance, it is possible to notify the user of the optimum coping method.

Further, when all the communication lines between the management station and the emergency telephone are in use, the other emergency telephones have a function of requesting a call from the management station, so that even if the communication line is blocked, the other emergency telephones can communicate with the management station. Can make a call.

When all the communication lines between the management station and the emergency telephone are used, the other emergency telephones notify the user of voice guidance or text guidance based on the instruction from the management station by the communication means. As a result, it is possible to talk with the management station even when the communication line is blocked.

Further, when all the communication lines between the management station and the emergency telephone are in use, the other emergency telephones have a function of notifying the management station of failure information, so that the management station can be closed even when the communication line is blocked. Can be notified of failure information.

Further, when all the communication lines between the management station and the emergency telephone are in use, by providing a function of making a call by the call switching function by operating the reception board in the management station, when the communication line is blocked However, it is possible to make a call with the management station.

[Brief description of drawings]

FIG. 1 is a principle block diagram of the present invention.

FIG. 2 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 3 is a configuration block diagram showing an embodiment of a calling circuit.

FIG. 4 is a configuration block diagram showing a main part of a second embodiment of the present invention.

FIG. 5 is an operation explanatory diagram of the second embodiment of the present invention.

FIG. 6 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 7 is an operation explanatory diagram of the fourth embodiment of the present invention.

FIG. 8 is an operation explanatory diagram of the fifth embodiment of the present invention.

FIG. 9 is an operation explanatory diagram of the sixth embodiment of the present invention.

FIG. 10 is an operation explanatory diagram of the seventh embodiment of the present invention.

FIG. 11 is an operation explanatory diagram of the eighth embodiment of the present invention.

FIG. 12 is a conceptual diagram of a conventional system.

FIG. 13 is a diagram showing a display example of a reception board.

FIG. 14 is a diagram showing an external configuration example of an emergency telephone.

[Explanation of symbols]

1 Emergency telephone 2 communication lines 3 PB signal bus 4 trunk lines 10 management office 20 Management Bureau 40 Communication means 50 Communication means 60 Communication means

Front Page Continuation (72) Inventor Takayuki Maruyama 3-9-18 Shin-Yokohama, Kohoku-ku, Yokohama-shi, Kanagawa Fujitsu Communication Systems Limited (56) References JP-A-2-86255 (JP, A) (58) ) Fields surveyed (Int.Cl. ⁷ , DB name) H04M 3/42-3/64

Claims (4)

(57) [Claims] 1. A plurality of emergency telephones installed on a road, and at least one administration office connected to the plurality of emergency telephones via a communication line and a PB signal bus to monitor the communication status of each emergency telephone. And a management station that is connected to the management office and performs overall management of each management office and the emergency telephones managed by the management office. Bidirectional communication is performed between the management station and the emergency telephone. The management station, the management office, and each emergency telephone are equipped with communication means for performing the power failure monitoring and the call quality provided in the management office.
Communication monitoring means for testing is connected to the PB signal bus
The emergency telephone system is characterized by confirming the mounted state of the emergency telephone. 2. A deaf person provided in the emergency telephone.
When the failure information notification button for
Notify the management station by communication means, and manage the emergency telephone
The emergency telephone system according to claim 1 , further comprising receiving an instruction from the station and notifying the user of the text guidance . 3. A communication line between the management station and the emergency telephone
When all are in use, other emergency telephones are
Voice guidance or text based on instructions from communication means
The emergency telephone system according to claim 1 , wherein the user is notified of the guidance . 4. Confirmation of mounting of an emergency telephone from the management station
When sending a solicitation, each installed emergency phone will connect
The emergency telephone system according to claim 1 , wherein the confirmation response and its own terminal number are returned to the management station .