JPH0226441A - Trouble processing system - Google Patents

Abstract

PURPOSE:To resume a transmission from a terminal unit on a transmitting side in a short time by transferring incoming calls to another terminal unit set beforehand after a trouble occurs in the terminal unit. CONSTITUTION:When a trouble detecting function detects the trouble which occurs in a communicating self-terminal unit 20b, a transferring means 202 release a communicating call, after that, a registering means 201 transmits registered register information Tc to an exchange 10 and after that, requests the transfer of the incoming calls to the self-terminal unit 20b to a transferring destination terminal unit 20c. Consequently, even when the trouble occurs in the terminal unit 20c, the after incoming calls are transferred to another terminal unit 20c set beforehand and the incoming calls can be communicated. Thus, the transmission from the terminal unit 20a on the transmitting side can be resumed in a short time.

Description

[Detailed Description of the Invention] [Summary] When a terminal device transmits registration information including the telephone number of a forwarding destination terminal device, the terminal device is housed in an exchange equipped with a forwarding function that forwards calls that subsequently arrive at the terminal device, Regarding the failure handling method for terminal devices equipped with a failure detection function that detects failures occurring in the own terminal device, if a failure is detected during communication, transmission from the sending terminal device can be resumed within the shortest possible time. For the purpose of A transfer means for transmitting a telephone number to an exchange and requesting transfer to a transfer destination terminal device; a registration means for registering input registration information; and a fault detection function for detecting a fault occurring in the own terminal device during communication.

a transfer means that, after releasing the call in progress, transmits the registration information registered in the registration means to the exchange and thereafter requests transfer of the incoming call to the own terminal device to the transfer destination terminal device. Configure it so that it is provided.

[Industrial application field]

The present invention relates to a terminal device housed in an exchange, and particularly includes a transfer function that transfers incoming calls to the terminal device when the terminal device sends out registration information including the telephone number of the destination terminal device. The present invention relates to a failure handling method in a terminal device that is housed in an exchange and has a failure detection function for detecting a failure occurring in its own terminal device.

[Conventional technology]

FIG. 7 is a diagram showing a facsimile exchange system which is an example of an exchange system to which the present invention is applied.

In FIG. 7, the exchange 1 includes facsimile terminal equipment (TE) 2 (specific terminal equipment (TE) is 2, . 2 . . .
2c, etc. (hereinafter the same) are accommodated via the communication line 3, respectively.

A transfer unit (TF) 121 is provided in the central control unit (CG) 12 that constitutes the exchange 1, and for example, a facsimile terminal (TE) 2b transfers calls that are subsequently received to the facsimile terminal (TE) 2b. If you wish to transfer TE to another facsimile terminal (TE) 2C, after calling the facsimile exchange 1, call the facsimile exchange 1 and then call the special number (e.g. #N, ,) indicating a transfer registration request, and enter the destination facsimile terminal. (TE) When the registration information Tc consisting of the telephone number Nc and special number # of 2c is sent, the central control unit (CC)
12 is the transfer unit (TF) 1 when receiving the special number #N, .
21 and transmits the special number #r'r-t.

The activated transfer unit (TF) 121 then transfers the telephone number Nc sent from the facsimile terminal (TE) 2b to the facsimile terminal (TE) in the main memory (MM) 13.
facsimile terminal device (TE) 2b. Complete the transfer registration requested by.

Thereafter, the facsimile exchange 1 stores the storage area 1 every time an incoming call to the facsimile terminal (TE) 2b occurs.
31, and based on the registered telephone number Nc, the destination facsimile terminal (TE) 2. Transfer to.

Eventually, when the facsimile terminal (TE) 2b wishes to cancel the forwarding of the incoming call, the facsimile exchange 'ffA machine 1
When the central control bag f (CC) 12 activates the transfer unit (TF) 121 and sends the cancellation information K consisting of a special number (for example, #N) indicating a transfer cancellation request, the central control bag f (CC) 12 activates the transfer unit (TF) 121 and #Transmit N−t.

The activated transfer unit (TF) 121 transfers data to the main memory (MM).
) 13, and deletes the telephone number Nc stored in the storage area 131 corresponding to the facsimile terminal (TE) 2b in the facsimile terminal (TE) 2b. Complete the transfer cancellation requested by .

Thereafter, when an incoming call to the facsimile terminal (TE) 2b occurs, the facsimile exchange 1 causes the facsimile terminal (TE) 2b to receive the call.

Next, FIG. 8 is a diagram showing an example of a conventional facsimile terminal device.

In FIG. 8, the facsimile terminal (TE) 2 is
A network control unit (NCU) 21 that transmits and receives call setting signals to and from the exchange 1, a communication control unit 22 that controls the transmission and reception of various control signals, and an image signal processing unit that executes image signal reading and recording processing. 23. In addition to the keyboard 24 through which the user inputs various signals, the central processing unit 25 and storage device 26 that control the overall control of the facsimile terminal device, there are also problems that occur within the facsimile terminal device (TE) 2, such as image signal processing. A fault detection section 27 is provided which detects when the recording paper on which the section 23 records the received image signal runs out and notifies the central processing section 25 of the occurrence of the recording paper shortage.

In FIGS. 7 and 8, an exchange 1 is a facsimile terminal (TE) 2. A call is set up between facsimile terminal equipment (TE) 2. is the network (NW)
It is assumed that an image signal is being transmitted to the facsimile terminal (TE) 2b via the communication path pl set in the TE 11.

In such a state, the failure detection unit 27 in the facsimile terminal (TE) 2 detects a shortage of recording paper in both signal processing units 23 and notifies the central processing unit 25.
5 activates the communication cancel function provided in the communication control unit 22,
Facsimile terminal equipment (TE) on the sending side2. request that communications be discontinued.

Facsimile terminal equipment (TE)2. When receiving a communication interruption request from the facsimile terminal (TE) 2b, it stops transmitting the image signal and sends a disconnection signal.

As is clear from the above explanation, when a conventional terminal device detects a failure within itself during reception, such as a shortage of recording paper in a facsimile terminal device, it requests the sending side to stop communication, and repairs the failure. For example, a facsimile terminal cannot be used until recording paper is replenished.

However, troubleshooting is not always done immediately; for example, if a facsimile terminal running unattended at night runs out of recording paper, the facsimile terminal will run unattended at night until the user replenishes the recording paper. There was a problem that caused communication to stop.

An object of the present invention is to enable transmission from a transmitting terminal device to be resumed within as short a time as possible when a failure is detected during communication.

[Means to solve the problem]

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

10 is an exchange equipped with a transfer function 100, and 201 is a terminal device equipped with a failure detection function 200.

201 is a registration means provided in the terminal device 20b according to the present invention.

202 is a transfer means provided in the terminal device 2Qb according to the present invention.

(Operation) The transfer function 100 transfers the terminal device 205 to the transfer destination terminal device 2.
Predetermined registration information T including the telephone number of 0c. If the terminal device 20. is sent, the terminal device 20. A call arriving at 20. is transferred to the destination terminal device 20. Transfer to.

The failure detection function 200 detects the own terminal bag W20. Detect failures that occur in

The registration means 201 registers the input registration information Tc.

When the fault detection function 200 detects a fault occurring in the own terminal device 20b during communication, the transfer means 202 releases the call during communication and then transfers the registration information Tc registered in the registration means 201 to the exchange 10. After that, the own terminal device 20. A request is made to transfer the incoming call to the transfer destination terminal device 20c.

Therefore, even if a failure occurs in the terminal device, subsequent incoming calls are transferred to another predetermined terminal device, so incoming calls can be communicated immediately, especially if the failure in the terminal device cannot be repaired immediately. Also, the serviceability for incoming calls is improved.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2 is a diagram showing a facsimile terminal device according to an embodiment of the present invention, FIG. 3 is a diagram illustrating the registration and cancellation information registration process in FIG. 2, and FIG. 4 is a diagram showing the transfer in FIG. FIG. 5 is a diagram illustrating the registration process, and FIG.
FIG. 6 is a diagram illustrating a transfer cancellation process in the figure, and FIG. 6 is a diagram illustrating a signal transmission and reception process according to an embodiment of the present invention. Note that the same reference numerals indicate the same objects throughout the figures. The exchange system to be considered is the facsimile exchange system shown in FIG.

In FIGS. 2 and 7, facsimile exchange 1 is used as switch 0 in FIG.
．． ．． 20. and facsimile terminal device 2 as 2oc.
．． ．． 2. and 2c are shown, respectively, and the transfer function 100
The transfer section (TF) 121 and the storage area 131 are connected to the central control unit (CC) of the facsimile exchange 1 (FIG. 7).
) 12 and the main memory (MM) 13, and includes a failure detection unit 27 as the failure detection function 200 in FIG.
is shown in the facsimile terminal (TE) 2 (FIG. 2), and a registration unit 251 as the registration means 201 in FIG.
1 are provided in the storage device 26, and a transfer unit 252 is provided in the central processing unit 25 as the transfer unit (202) in FIG. An area 262 is provided in the central controller (CC) 12 and main memory (MM) 13 of the facsimile exchange 1 (FIG. 7).

In FIG. 7, facsimile terminal equipment (TE) 2. If the user detects a failure in his or her own terminal during communication, it is predetermined that future incoming calls will be transferred to a predetermined facsimile terminal (TE) 2c housed in the facsimile exchange 1. and facsimile terminal equipment (
After operating a predetermined operation, for example, a registration button, from the keyboard 24 of the TE) 2b to activate the registration section 251 in the central processing section 25, a special number indicating a transfer registration request (for example) is pressed from the keyboard 24. #N, l), registration information Tc consisting of the telephone number Ne and special number # assigned to the forwarding destination facsimile terminal (TE) 2c, and a special number indicating a request to cancel the forwarding (for example, #
is input into the cancellation information consisting of N, , ) (step 511 in FIG. 3).

In the central processing unit 25, the registration unit 251 activated by a predetermined operation on the keyboard 24 stores the registration information Tc and cancellation information subsequently inputted from the keyboard 24 in the memory provided in the storage device 26. It is stored in areas 261 and 262 (step 512).

As a result of the above, the registered information T. This means that the cancellation information K has been registered in the facsimile terminal (TE) 2b.

In this state, the facsimile exchange 1 becomes a facsimile terminal! (TE)2. A call is set up between facsimile terminal equipment (TE) 2. While transmitting an image signal to the facsimile terminal (TE) 2b, when the failure detection unit 27 of the facsimile terminal (TE) 2 on the receiving side detects a shortage of recording paper in both signal processing units 23, the central processing unit 25 shall be notified to that effect.

The central processing unit 25, which has been notified of the detection of the recording paper shortage, starts the transfer unit 252.

The activated transfer unit 252 controls the communication control unit 22 to notify the transmitting facsimile terminal (TE) 2 that communication will be abnormally terminated, and then sends a notification to the network control unit (NCU) 2.
1 sends a disconnection signal to the communication line 3b (step 521 in FIG. 4).

The facsimile exchange 1 is a facsimile terminal device (TE
) 2b, the facsimile terminal bag R(TE) 2. ``Release the call established between ``.

The transfer unit 252 that has sent the disconnection signal sends a calling signal from the m control unit (NCU) 21 to the communication line 3b after taking a timing corresponding to the call release completion time by the facsimile exchange 1 (step 522). (Step 5)
23).

The facsimile exchange machine 1 is a facsimile terminal bag'fl
When receiving the calling signal from (TE) 2b, it executes calling connection processing and prepares to receive the selection signal.

The transfer unit 252 that sent the calling signal transfers the registered information Tc ( -#, N□, Nc
) from the network control unit (NCU) 21 to the communication line 3.
(step 525).

The facsimile exchange 1 is a facsimile terminal device (TE
) 2b to registration information Tc (=#, N S I %Nc
), the transfer unit (TF) 121 is activated as described above, and the received telephone number N is sent. , main memory (MM) 1
The data is stored in the storage area 131 corresponding to the facsimile terminal device (TE) 2b in the facsimile terminal device (TE)
Complete the transfer registration requested by 2b.

The transfer unit 252 that sent the registration information Tc sends the registration information Tc to the network control unit (NCU) after taking a timing corresponding to the transfer registration completion time by the facsimile exchange 1 (step 526).
21 to the communication line 3b (step 527), and the transfer registration request process is completed.

Thereafter, the facsimile exchange 1 stores the storage area 1 every time an incoming call to the facsimile terminal (TE) 2b occurs.
31, the data is transferred to the destination facsimile terminal (TE) 2e based on the registered telephone number Nc.

The facsimile terminal (TE) 2c replaces the facsimile terminal (TE) 2, which is out of recording paper, by
Facsimile terminal equipment (TE) on the originating side2. Receives and records image signals sent from.

Eventually facsimile terminal equipment (TE)2. When the user replenishes recording paper and makes it possible to receive image signals, the failure detection section 27 detects that the recording paper shortage condition has been resolved and notifies the central processing section 25 to that effect.

The central processing unit 25, which has received the recording paper shortage resolution notification, activates the release unit 253.

The activated release unit 253 causes the network control unit (NCU) 21 to send a calling signal to the communication diagram vA3b (step 531 in FIG. 5).

The facsimile exchange 1 is a facsimile terminal device (TE
) Upon receiving the calling signal from 2b, it executes the calling connection process and prepares to receive the selection signal.

The transfer unit 252 that sent the call signal sends the registered cancellation information K( =#, N tz) is extracted and sent from the network control unit (NCU) 21 to the communication line 3b (step 533).

The facsimile exchange 1 is a facsimile terminal device (TE
) 2b, the transfer unit (TF) 121 is activated as described above, and the facsimile terminal bag W (TE) 2 in the main memory (MM) 13 is received.
The telephone number Nc stored in the storage area 131 corresponding to number b is deleted, and the transfer cancellation requested by the facsimile terminal (TE) 2b is completed.

The transfer unit 252 that sent the release information K transmits the release information K to the network control unit (NCU) 2 after taking a timing corresponding to the transfer release completion time by the facsimile exchange 1 (step 534).
1 to send a disconnection signal to the communication line 3b (step 5
35), the transfer cancellation request process is completed.

Thereafter, when an incoming call to the facsimile terminal (TE) 2b occurs, the facsimile exchange 1 causes the facsimile terminal (TE) 2b to receive the call.

As is clear from the above description, according to this embodiment, the facsimile terminal (TE) 2b is the facsimile terminal (TE) 2. Even if a shortage of recording paper is detected while receiving an image signal transmitted from The incoming call to (TE) 2b is transferred to the predetermined forwarding destination terminal equipment (TE) 2C, and the image signal is received by the facsimile terminal (TE) 2c. It will be possible to complete the transmission.

Note that FIGS. 2 to 7 are only one embodiment of the present invention, and for example, the exchange system and terminal device to which the present invention is applied are not limited to a facsimile exchange system and a facsimile terminal device. Although many other modifications may be considered, the effects of the present invention remain the same in any case.

〔Effect of the invention〕

As described above, according to the present invention, even if a failure occurs in the terminal device,
Since the subsequent incoming calls are transferred to another predetermined terminal device, the incoming calls can be communicated immediately, and the serviceability for the incoming calls is improved especially even when the failure of the terminal device cannot be repaired immediately.

[Brief explanation of the drawing]

1 is a diagram showing the principle of the present invention, FIG. 2 is a diagram showing a facsimile terminal device according to an embodiment of the present invention, FIG. 3 is a diagram illustrating the registration and cancellation information registration process in FIG. Figure 4 is a diagram illustrating the transfer registration process in Figure 2;
5 is a diagram illustrating the transfer cancellation process in FIG. 2, FIG. 6 is a diagram illustrating the signal transmission and reception process according to an embodiment of the present invention, and FIG. 7 is a diagram illustrating an example of a facsimile exchange system to which the present invention is applied. FIG. 8 is a diagram showing an example of a conventional facsimile terminal device. In the figure, ] is a facsimile exchange, 2m to 2e are facsimile terminals (TE), and 3. 3c to 3c are communication lines, 10 is an exchange, 11 is a network (NW),
12 is a central control unit (CC), 13 is a main memory (MM)
),' 20. ．． 20b and 20e are terminal devices, 2
I is a network control unit (NCU), 22 is a communication control unit, 23 is an image signal processing unit, 24 is a keyboard, 25 is a central processing unit, 2
6 is a storage device, 27 is a failure detection unit, 100 is a transfer function,
121 is a transfer unit (TF), 131.261 and 262
200 is a storage area, 200 is a failure detection function, 201 is a registration means, 202 is a transfer means, 251 is a registration unit, 25 facsimile terminal device according to the present invention. Transfer registration process Figure 4 a b C Figure

Claims (1)

[Scope of Claims] When the terminal device (20_b) sends predetermined registration information (T_c) including the telephone number of the transfer destination terminal device (20_c), calls that will subsequently arrive at the terminal device (20_b) will be forwarded to the terminal device (20_b). Transfer function (1) to transfer to transfer destination terminal device (20_c)
In the terminal device (20_b), which is housed in an exchange (10) equipped with ); and a registration means (201) for registering the own terminal device (201) with which the failure detection function (200) is communicating.
0_b), after releasing the call in progress, the registration information (T_c) registered in the registration means (201) is transmitted to the exchange (10), and from then on, the own terminal A fault handling method comprising a transfer means (202) for requesting transfer of an incoming call to the device (20_b) to the transfer destination terminal device (20_c).