JPH1168942A - Remote maintenance system for private branch exchange, private branch exchange and remote maintenance device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To instantly cope with a fault through the use of a PHS terminal concerning a remote maintenance system for a private branch exchange remote- operating the private branch exchange. SOLUTION: The private branch exchange 1 and the remote maintenance device 3 are connected through a network 2, the private branch exchange is provided with a PHS terminal 14, the remote maintenance device is provided with a PHS terminal 31 and a maintenance terminal 32, the network is provided with plural PHS base stations 21, the private branch exchange is connected with the network through a PHS line and the remote maintenance device is connected to the network through the PHS line.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote maintenance system for a private branch exchange having a PHS (Personal Handy Phone System) terminal on a remote maintenance device for remotely controlling a private branch exchange, and to a private branch exchange and a remote maintenance device.

[0002]

2. Description of the Related Art FIG. 7 is a block diagram showing a conventional remote maintenance system for a private branch exchange, and shows how a private branch exchange A is connected to a maintenance center B via an analog public network and an ISDN network.

In FIG. 1, a private branch exchange A includes a communication path control device A1, a central control device A2 for controlling the communication path control device A1, a remote maintenance trunk A3 connected to the central control device A2, and a remote maintenance trunk A3. Extension control circuit A4 connected, office trunk A5 connected to analog public network, digital trunk A connected to ISDN network
6.

The maintenance center B includes a modem B1 connected to an analog public network and a terminal adapter B2 connected to an ISDN network, and has a configuration connected to a personal computer B3.

Next, an operation when a failure occurs in the private branch exchange 1 will be described with reference to an operation sequence diagram shown in FIG. If the private branch exchange A has any trouble, the internal central control unit A2 operates the remote maintenance trunk A.
3 is sent a start signal (step S71).

[0006] The remote maintenance trunk A3 is provided with a central control unit A2.
When the activation signal is received from, the line is activated via the extension line control circuit A4 and the office trunk A5 or the digital trunk A6 (step S72). Thereafter, dial transmission is performed (step S73), and the maintenance center B is called via the network (step S74).

The maintenance center B receives the call signal from the network and automatically responds to the response signal to return the response signal to the network (step S75). Private branch exchange A from network side
, A reverse signal is transmitted in the case of the analog public network, and a response signal is transmitted in the case of the ISDN network (step S76).

When the remote maintenance trunk A3 receives this signal, it notifies the personal computer B3 of the maintenance center B of failure information (step S77). The personal computer B3 receives the information of the private branch exchange A and displays it on the screen of the personal computer B3. The maintenance person collects and investigates information on the failure content of the private branch exchange A in which the failure has occurred. The line is disconnected by sending a restoration signal from the remote maintenance trunk A3 to the maintenance center B and releasing it (steps S78 and S79).

Next, an operation when the maintenance center B performs a periodic inspection of the private branch exchange A will be described with reference to an operation sequence diagram shown in FIG. When receiving a call from the maintenance center B to the private branch exchange A, a line of the analog public network or the ISDN network is activated from the maintenance center B (step S81), and the remote maintenance trunk A3 is connected via the network.
Is called (step S82). Remote maintenance trunk A3
Responds (step S83), a reverse signal is returned from the network side to the maintenance center B in the case of an analog public network, and a response signal is transmitted in the ISDN network (step S84).

[0010] The personal computer B3 of the maintenance center B detects a response signal from the network side and enters a state where it can communicate with the private branch exchange A (step S85). In this state, by inputting a command from the personal computer B3 of the maintenance center B, the failure information and data of the private branch exchange A can be changed. The line is disconnected by restoring the personal computer B3 of the maintenance center B, sending a restoration signal to the network and releasing it (steps S86 and S87).

[0011]

As described above, in the conventional remote maintenance system, when a failure occurs in the private branch exchange, the maintenance center is called from the analog public network and the maintenance terminal of the maintenance center is connected via the modem. When communicating with a personal computer, when calling a personal computer of a maintenance center from an ISDN network via a terminal adapter, there is a case where an incoming call is received from a maintenance center to a private branch exchange for a periodic inspection to check an operation state.

However, in the above-mentioned prior art, the maintenance center uses a modem when performing remote maintenance using an analog public network, and uses a terminal adapter when using an ISDN network. Because a remote maintenance was performed using a personal computer in the area, it was not possible to deal with it unless it was a maintenance center. In addition, when there was no maintenance person at the maintenance center, prompt response was not possible.

The present invention has been made in order to solve such a conventional problem. When a portable PHS terminal is used and there is a handy type personal computer, remote maintenance can be performed immediately by connecting to the PHS terminal. An object of the present invention is to propose a private branch exchange remote maintenance system, a private branch exchange, and a remote maintenance device, which are made possible and can immediately respond to a failure.

[0014]

According to the first aspect of the present invention, there is provided a remote maintenance system for a private branch exchange, wherein the private branch exchange and the remote maintenance device are connected via a network, and the private branch exchange is connected to a PH.
S terminal, the remote maintenance device has a PHS terminal and a maintenance terminal, the network has a plurality of PHS base stations, the private branch exchange is connected to the network through a PHS line, and the remote maintenance device has a PHS terminal.
It is configured to be connected to a network via an HS line.

In a remote maintenance system for a private branch exchange according to a second aspect of the present invention, the private branch exchange and the remote maintenance device are connected via a network, the remote maintenance device has a PHS terminal and a maintenance terminal, and the network has a plurality of networks. And the remote maintenance device is configured to be connected to a network via a PHS line.

A private branch exchange according to a third aspect of the present invention is a private branch exchange connected to a remote maintenance device having a PHS terminal and a maintenance terminal via a network having a PHS base station. And a PHS terminal connected via the PHS terminal.

According to a fourth aspect of the present invention, there is provided a remote maintenance apparatus connected to a private branch exchange via a network having a PHS base station, and connected to the PHS base station via a PHS line. It has a PHS terminal and a maintenance terminal.

According to the present invention, the PHS data communication function is inserted into the private branch exchange, whereby the PHS on the remote maintenance device side is provided.
It can be connected to the terminal, and when a failure occurs in the private branch exchange, the PHS terminal on the private branch exchange side and the PHS terminal on the remote maintenance device side
A maintenance terminal is called via the terminal, and data communication at a transmission speed of 32 kbps becomes possible.

Also, according to the present invention, the private branch exchange has a P
When the analog public network is used without using the HS terminal, the maintenance terminal of the remote maintenance device can be called via the analog public network and the ISDN network. The fault data is converted into a modem signal and transmitted to an analog public network. The signal is converted into a digital signal when the signal is passed from the analog public network to the ISDN network, and is transmitted as a digital signal to the maintenance terminal via the PHS terminal on the remote maintenance device side in the ISDN network.

Further, according to the present invention, the private branch exchange has a P
When the ISDN network is used without using the HS terminal, by incorporating the data transfer function in the private branch exchange,
The fault data is transmitted from the ISDN network to the maintenance terminal via the PHS terminal on the remote maintenance device side.

Further, according to the present invention, even if the PHS terminal on the remote maintenance device side is outside the remote maintenance device, it is possible to make an incoming call if it is in the PHS area, and a PHS terminal with a keyboard or a handy type personal computer can be used. If the connection is established, data communication becomes possible, so that it is possible to immediately cope with an urgent obstacle.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION

(Embodiment 1) FIG. 1 is a block diagram showing Embodiment 1 of the present invention, and is a configuration diagram capable of remote maintenance by PHS data communication. In the figure, a private branch exchange 1 includes a communication path control device 11, a central control device 12 for controlling the communication path control device 11, a remote maintenance trunk 13 connected to the central control device 12, and a PH connected to the remote maintenance trunk 13.
It has an S terminal 14.

The PHS terminal 14 connects the base station 2 to the ISDN 2
1, and is connected via a wireless line from a base station 21 of the ISDN 2 to a remote maintenance PHS terminal 31 of a maintenance center 3 as a remote maintenance device. The maintenance center 3 has a remote maintenance PHS terminal 31 and a personal computer 32 as a maintenance terminal.

The base station 2 connected to the ISDN 2
In the area 1, the remote PHS terminal 31 taken out of the maintenance center 3 or the portable PHS terminal 33 held by the maintenance person can receive an incoming call. In this case, if the handy personal computer 34 is connected to the PHS terminals 31 and 33 as a maintenance terminal, the maintenance person can perform data communication with the private branch exchange 1 and perform remote maintenance.

Next, an operation when a failure occurs in the private branch exchange 1 will be described with reference to an operation sequence diagram shown in FIG. When a failure occurs in the private branch exchange 1 for some reason, the central control unit 12 sends a start signal indicating that a failure has occurred to the remote maintenance trunk 13 (step S).
11).

The remote maintenance trunk 13 issues a call request to the PHS terminal 14 to the remote maintenance PHS terminal 31 of the maintenance center 3 (step S12). PHS terminal 14 is I
After starting the line to the SDN network 2 (step S13), dial transmission (step S14) is performed and the remote maintenance PHS terminal 31 of the maintenance center 3 is called (step S15).

The called PHS terminal 31 automatically responds to the ISDN network 2 (step S16), and at the same time,
A communication request is made to the personal computer 32 (step S1).
7). When the PHS terminal 31 automatically responds to the ISDN network 2, a response signal is transmitted to the PHS terminal 14 in the private branch exchange 1 (step S18), and the remote maintenance trunk 13 and the personal computer 32 on the maintenance center 3 side In the data communication mode, data is transmitted and received, and failure information of the private branch exchange 1 is displayed on the personal computer 32 of the maintenance center 3. At the same time, maintenance can be performed by enabling the maintenance center 3 to input a command to the failed private branch exchange 1 (step S19).

The line disconnection is performed by issuing a release request from the remote maintenance trunk 13 (step S20), and sending a release signal from the PHS terminal 14 to the PHS terminal 31 via the ISDN network 2 to release the line (steps S21 to S23). ).

It is possible to take out the remote maintenance PHS terminal 31 from the outside or to receive a call from the ISDN network 2 to the portable PHS terminal 33 held by the maintenance person. You can check the information.

Further, if the fault information occurs again after the fault information is confirmed, the remote maintenance PHS terminal 31 makes an incoming call to the PHS terminal 14 of the failed private branch exchange 1, and the remote maintenance trunk 13 and the PHS terminal 14 automatically responds to the control, and data communication with the central control unit 12 of the private branch exchange 1 becomes possible.

(Embodiment 2) FIG. 3 is a block diagram showing an embodiment 2 of a remote maintenance system for a private branch exchange according to the present invention. In FIG. 3, an analog public network and an ISDN network without connecting a PHS terminal to the private branch exchange 1 are shown. This is a system for performing data communication with the remote maintenance PHS terminal 31 of the maintenance center 3 via the PC.

The private branch exchange 1 includes a communication path control device 11, a central control device 12 for controlling the communication path control device 11, a remote maintenance trunk 13 connected to the central control device 12, and an extension control connected to the remote maintenance trunk 13. The circuit 15 has a central office trunk 16 connected to the analog public network 4.

Next, an operation when a failure occurs in the private branch exchange 1 will be described with reference to an operation sequence diagram shown in FIG. When a failure occurs in the private branch exchange 1 for some reason, the central control unit 12 sends a start signal indicating that a failure has occurred to the remote maintenance trunk 13 (step S).
31).

The remote maintenance trunk 13 includes an extension control circuit 15
An outgoing call request is made to the central office trunk 16 via the server (step S32). The office trunk 16 receiving this activates the line to the analog public network 4 (step S3).
3). When the line of the analog public network 4 is activated, the dial signal from the remote maintenance trunk 13 is received by the analog public network 4 (steps S34 to S35).

In the public network 4, the dial information is recognized, and if the dial information is for the remote maintenance PHS terminal 31, an incoming call is made to the remote maintenance PHS terminal 31 (step S36). The called PHS terminal 31 is the ISDN 2
A communication request is transmitted to the personal computer 32 at the same time as an automatic response (step S37) to the PC 32 (step S3).
8).

When the PHS terminal 31 has automatically responded to the ISDN network 2, a reverse signal is sent from the analog public network 4 to the office trunk 16 (step S3).
9) When the station line trunk 16 receives this reverse signal, a response signal is sent to the remote maintenance trunk 13 (step S40).

Thereafter, the central control unit 12 and the personal computer 32 on the side of the maintenance center 3 enter the data communication mode via the remote maintenance trunk 13 (step S42), transmit / receive data, and transmit the failure information of the private branch exchange 1 to the maintenance center 3. Display is performed on the personal computer 32, and maintenance is enabled by enabling a command to be input to the failed private branch exchange 1 from the maintenance center 3 when the line is disconnected and at the same time.

To disconnect the line, a release request is issued from the remote maintenance trunk 13 (step S43), and a restoration signal is transmitted from the central line trunk 16 to the PHS terminal 31 via the analog network 4 and the ISDN network 2 to release the personal computer 32. (Steps S44 to S46).

Also, when the remote maintenance PHS terminal 31 is taken out, or when the portable P
An incoming call from the ISDN network 2 to the HS terminal 33 is also possible, and if a handy personal computer 34 is connected, fault information can be confirmed.

When the trouble information is generated again after the trouble information is confirmed, the remote maintenance PHS terminal 31 of the maintenance center 3 makes an incoming call to the remote maintenance trunk 13 of the private branch exchange 1 in which the trouble has occurred. Automatically responding by controlling the trunk 13, data communication with the central control unit 12 of the private branch exchange 1 becomes possible.

(Embodiment 3) FIG. 5 is a block diagram showing an embodiment 3 of a remote maintenance system for a private branch exchange according to the present invention, wherein a PHS terminal is not connected to the private branch exchange 1 side.
PH for remote maintenance of maintenance center 3 via SDN network 2
This is a system for performing data communication with the S terminal 31.

The private branch exchange 1 includes a communication path controller 11, a central controller 12 for controlling the communication path controller 11, a remote maintenance trunk 13 connected to the central controller 12, and a digital trunk connected to the remote maintenance trunk 13. 17
Having.

Next, an operation when a failure occurs in the private branch exchange 1 will be described with reference to an operation sequence diagram shown in FIG. When a failure occurs in the private branch exchange 1 for some reason, the central control unit 12 sends a start signal indicating that a failure has occurred to the remote maintenance trunk 13 (step S).
51).

The remote maintenance trunk 13 issues a call request to the digital trunk 17 (step S52). The digital trunk 17 receiving this transmits a transmission request to the ISDN 2 (step S53).

In the ISDN network 2, the remote maintenance trunk 13
PHS terminal 31 for remote maintenance by recognizing dial information from
PHS terminal 31 for remote maintenance
(Step S54).

The called remote maintenance PHS terminal 31
Responds automatically to the ISDN network 2 (step S55)
At the same time, a communication request is transmitted to the personal computer 32 (step S56).

For the ISDN network 2, the remote maintenance PH
A response signal is sent to the digital trunk 17 due to the automatic response of the S terminal 31 (step S5).
7). When the digital trunk 17 receives this response signal, a response signal is sent to the remote maintenance trunk 13 (step S58).

Thereafter, the remote maintenance trunk 13 and the personal computer 32 on the maintenance center 3 side enter the data communication mode, transmit and receive data, display the failure information of the private branch exchange 1 on the personal computer 32 of the maintenance center 3, and disconnect the line. In this case, the maintenance center 3 enables a command to be input to the private branch exchange 1 in which a failure has occurred at the same time, thereby enabling the maintenance (step S60).

The line is disconnected by issuing a release request from the remote maintenance trunk 13 (step S61), transmitting a restoration signal from the digital trunk 17 to the PHS terminal 31 via the ISDN network 2, and releasing the personal computer 32 (step S61). S62 to S64).

Also, when the remote maintenance PHS terminal 31 is taken out, or when the portable P
An incoming call from the ISDN network 2 to the HS terminal 33 is also possible, and if there is a handy personal computer 34, trouble information can be confirmed.

When the trouble information is generated again after the trouble information is confirmed, the remote maintenance PHS terminal 31 of the maintenance center 3 makes an incoming call to the remote maintenance trunk 13 of the private branch exchange 1 in which the trouble has occurred. Automatically responding by controlling the trunk 13, data communication with the central control unit 12 of the private branch exchange 1 becomes possible.

[0052]

According to the present invention, when a private branch exchange causes some trouble, the PHS terminal and the PHS terminal are sent to the maintenance side.
If there is a maintenance terminal that can be connected to the terminal, it is possible to immediately respond to a failure of the private branch exchange not only at the maintenance center but also outside the maintenance center, thereby improving the maintenance of the private branch exchange.

[Brief description of the drawings]

FIG. 1 is a block diagram showing Embodiment 1 of the present invention.

FIG. 2 is an operation sequence diagram of the first embodiment shown in FIG.

FIG. 3 is a block diagram showing Embodiment 2 of the present invention.

FIG. 4 is an operation sequence diagram of the second embodiment shown in FIG.

FIG. 5 is a block diagram showing a third embodiment of the present invention.

FIG. 6 is an operation sequence diagram of the third embodiment shown in FIG.

FIG. 7 is a block diagram showing a conventional private branch exchange remote maintenance system.

FIG. 8 is an operation sequence diagram of the system shown in FIG. 7;

FIG. 9 is an operation sequence diagram of the system shown in FIG. 8;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Private branch exchange 2 ISDN network 3 Maintenance center 4 Analog public network 11 Communication path control unit 12 Central control unit 13 Remote maintenance trunk 14 PHS terminal 15 Extension control circuit 16 Local line trunk 17 Digital trunk 21 Base station 31 Remote maintenance PHS terminal 32 PC 33 Portable PHS terminal 34 Handy PC

Claims (4)

[Claims] 1. A private branch exchange and a remote maintenance device are connected via a network, the private branch exchange has a PHS terminal, the remote maintenance device has a PHS terminal and a maintenance terminal, and the network has a plurality of PHS terminals. A base station, and the private branch exchange has a PH
A remote maintenance system for a private branch exchange, wherein the remote maintenance device is connected to the network via an S line, and the remote maintenance device is connected to the network via a PHS line. 2. A private branch exchange and a remote maintenance device are connected via a network, the remote maintenance device has a PHS terminal and a maintenance terminal, the network has a plurality of PHS base stations, and the remote maintenance device Is a remote maintenance system for a private branch exchange, which is connected to the network via a PHS line. 3. A private branch exchange connected to a remote maintenance device having a PHS terminal and a maintenance terminal via a network having a PHS base station, wherein the PHS terminal is connected to the PHS base station via a PHS line. Private branch exchange characterized by having. 4. A remote maintenance device connected to a private branch exchange via a network having a PHS base station, comprising a PHS terminal and a maintenance terminal connected to the PHS base station via a PHS line. And remote maintenance equipment.