JP2536115B2 - Abnormality monitoring method in exchange - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic exchange, and more particularly to an abnormality monitoring system for a control device of an electronic exchange having a plurality of control devices.

[Conventional technology]

FIG. 3 shows a conventional abnormality monitoring system of this type. In the figure, the peripheral control device LOC1 is connected to the network NW2, and the call control device CLP5 executes the call processing of the exchange. The call control devices CLP5 are connected by the system bus 8, and the operation control device OMP6 controls all the call control devices CLP5 via the multiprocessor control device MPC7. The external error monitoring device ESE3, which has means for generating pseudo calls or incoming calls, is a network NW.
2 is connected to the pseudo-monitoring call (CHECK CAL
L) 12 is generated. In response to the pseudo monitor call 12, each call control device CLP5 returns a confirmation signal (ACK SIGNAL) 13. If an error occurs in the call control device CLP5, a confirmation signal ACK SIGNAL
Since 13 is not returned within a fixed time, the external abnormality monitoring device ESE3 detects an abnormality in the call control device CLP5 and notifies the operation control device OMP6 of the abnormal state. The operation control unit OMP6 which has received the abnormality notification activates the recovery operation of the all-call control unit CLP5 of the exchange through the multiprocessor control unit MPC7.

[Problems to be Solved by the Invention]

In the above-mentioned abnormality monitoring method, it is necessary to install a plurality of external abnormality monitoring devices ESE3 in order to monitor all call control devices CLP5, and normally, the abnormality notification from the external abnormality monitoring device ESE3 to the operation control device OMP6. Since the signals are combined into one signal, it is impossible to determine which call control device CLP5 is abnormal and there is a drawback that all call control devices CLP5 must be activated for recovery. Further, the above-mentioned abnormality monitoring method has a drawback that the operation control device OMP6 cannot be monitored for abnormality.

[Means for solving the problem]

The present invention relates to a plurality of networks, a plurality of peripheral control devices connected to the plurality of networks, a call control device that is installed corresponding to each network of the plurality of networks, and executes call processing. Is an abnormality monitoring method for monitoring an abnormality of a call control device of an electronic exchange equipped with an operation control device for controlling a plurality of call control devices corresponding to the network and a central control device which is an operation control device.

The present invention is connected to at least one of a plurality of networks, intermittently generates a pseudo call or incoming call signal, and transmits a confirmation signal sent by a call control device to the pseudo call or incoming call signal. External abnormality monitoring means for monitoring and notifying the abnormality when this confirmation signal cannot be received within a fixed time, and a pseudo call which is installed in the peripheral control device and intermittently generates a pseudo call or incoming call signal. And a quantity generating means.

In the present invention, the operation control device sends a call volume report request for requesting a report of the processing call volume to a plurality of call control devices at a constant cycle, and the individual call control devices respond to the call volume report request. Of the call control device that is determined to be abnormal, by monitoring the call volume information transmitted from the call control device, and determining that the call control device whose call volume of the call volume information is less than the predetermined amount based on the pseudo call volume generation means is abnormal. Invokes the recovery action.

Further, in the present invention, the call control device corresponding to the network to which the external abnormality monitoring means is connected monitors the call volume report request sent from the operation control device at a constant cycle, and issues this call volume report request. When the operation control device is judged to be abnormal when it is not received at a constant cycle, the external error monitoring means stops the operation signal from the external abnormality monitoring means by stopping the transmission of the confirmation signal for the pseudo call or incoming signal. It is characterized by activating the recovery operation of.

〔Example〕

 Next, the present invention will be described with reference to the drawings.

1 and 2 are block diagrams showing an embodiment of the present invention. FIG. 1 shows a call control device monitoring system, and FIG. 2 shows an operation control device monitoring system. 1 and 2, the peripheral controller LOC1 is connected to the network NW2,
The call control device CLP5 executes the call processing of the exchange. Each call control device CLP5 is connected by the system bus BUS8, and the operation control device OMP6 controls all the call control devices CLP5 via the multiprocessor control device MPC7. A pseudo call or incoming call is generated,
One external abnormality monitoring device ESE3 that monitors a confirmation signal for the pseudo outgoing call or incoming call and notifies an abnormality when this confirmation signal cannot be received as normal is provided as one device. This external abnormality monitoring device ESE3 has two pseudo call generation ports ESE # 0, # 1.
And these ports are separate call controllers CLP5
It is housed in the network NW2 (NW # 0, #n) controlled by the.

First, the monitoring of the call control device CLP5 will be described with reference to FIG. The peripheral controller LOC1 has means for generating a pseudo call or incoming call signal and generates a pseudo call or incoming call (CHECK CALL) 4 at a constant cycle. In addition, the operation control device OM
P6 sends a call volume report request to the call control device CLP5 in a constant cycle, and the call control device CLP5 reports the call volume (TRAFFIC DATA) 9 processed by itself in response to the call volume report request. Since the peripheral control device LOC1 described above generates a call or an incoming call at a constant cycle, there is always a constant call volume in the network NW2, and the call controller CLP5 reports that this call volume exists. As a result, the operation control unit OMP6 becomes the call control unit CL.
Judge that P5 is operating normally. Multiple call controllers
When a call control device CLP5 whose reported call volume is less than the above-mentioned fixed amount of call volume is detected among the CLP5, the operation control device OMP6 is restored to the multiprocessor control device MPC7 for the corresponding call control device CLP5. Send the command (RESTART ORDER) 10.
The multi-processor controller MPC7 follows this restoration instruction,
To the designated call control device CLP5, a recovery signal (RESTART SIGNA
L) 11 is sent, and the abnormal call control device CLP5 starts recovery processing.

Next, referring to FIG. 2, the monitoring of the operation control device OMP6 will be described. Of the plurality of call control devices CLP5, the call control device CLP5 that accommodates the external abnormality monitoring device ESE3 in the network NW2
Requests the call volume report (DA
TA REQUEST) 14 is being received. A certain organization, if this call volume report request 14 is not received, a confirmation signal that is normally sent to the pseudo call or incoming call (CHECK CALL) 12 from the external abnormality monitoring device ESE3 that occurs periodically. (ACK SIGNAL) 13 Cancel sending back. External error monitoring ES
The E3 has two ports (ESE # 0, # 1) to ensure the abnormality monitoring, and it is possible that the two ports do not receive the confirmation signal 13 from the call control device CLP5 at the same time. When they occur consecutively, the abnormality notification signal (EMERGENCY SIGNAL) 15 is sent to the operation control unit OMP6. The operation control device OMP6 that has received the abnormality notification signal 15 starts the restoration process.

〔The invention's effect〕

As described above, according to the present invention, a pseudo call or incoming call signal is generated, a confirmation signal for the pseudo call or incoming call signal is monitored, and an abnormality is notified when the confirmation signal cannot be normally received. An abnormality monitoring device and means for generating a pseudo call or incoming call signal to each peripheral control device are provided, and the operation control device confirms the normality of each call control device by a pseudo call or incoming call signal of each peripheral control device. Is monitored by the operation control device by a fixed call volume generated by the call control device.On the other hand, the call control device that determines the normality of the operation control device monitors when a call volume report request comes in at a fixed cycle, and If an abnormality occurs, the operation control unit activates the recovery operation of the call control unit that has caused an abnormality via the multiple processor control unit.If an abnormality occurs in the operation control unit, the call control unit sends a confirmation signal to the external abnormality monitoring unit. Stop sending As a result, the external abnormality monitoring device sends a recovery signal to the operation control device.As a result, both the call control device and operation control device can be monitored for abnormalities, and an error occurs when a call control device error is detected. There is an effect that the recovery processing of only the control device can be started.

[Brief description of drawings]

1 and 2 are block diagrams showing a call control device monitoring system and an operation control device monitoring system in an embodiment of the present invention, respectively, and FIG. 3 is a block diagram showing a conventional abnormality monitoring system. 1 ... Peripheral controller (LOC), 2 ... Network (N
W), 3 ... External error monitoring device (ESE), 4 ... Pseudo call or incoming call (CHECK CALL), 5 ... Call control device (CLP),
6 ... Operation control unit (OMP), 7 ... Multiple processor control unit (MPC), 8 ... System bus (SYSTEM BUS),
9 …… Call volume report (TRAFFIC DATA), 10 …… Recovery order (RE
START ORDER), 11 …… Restart signal (RESTART SIGNAL), 1
2 …… Pseudo monitoring call (CHECK CALL), 13 …… Confirmation signal (ACK
SIGNAL), 14 ...... Call volume report request (DATA REQUEST), 15
...... Abnormality notification signal (EMERGENCY SIGNAL).

Claims (1)

(57) [Claims] 1. A plurality of networks, a plurality of peripheral control devices connected to the plurality of networks, and a call control device installed corresponding to each network of the plurality of networks to execute call processing. An electronic exchange equipped with an operation control device for controlling the plurality of call control devices, wherein the electronic exchange is connected to at least one of the plurality of networks and intermittently generates a pseudo call or incoming call signal, External abnormality monitoring means for monitoring a confirmation signal sent by the call control device in response to a call or incoming call signal and notifying the abnormality when the confirmation signal cannot be received within a fixed time, and installed in the peripheral control device And a pseudo call volume generating means for intermittently generating a pseudo call or incoming call signal, wherein the operation control device requests the plurality of call control devices to report a processing call volume. A call quantity report request is sent at a constant cycle, and the call quantity information sent from each call controller in response to the call quantity report request is monitored, and the call quantity of the call quantity information is the pseudo call quantity. The call control device which is less than a predetermined amount based on the generation means is determined to be abnormal, and the recovery operation of the call control device which is determined to be abnormal is activated, and the call control device corresponding to the network to which the external abnormality monitoring means is connected, The call volume report request sent from the operation control device at a constant cycle is monitored, and when the call volume report request is not received at the constant cycle, the operation control device is determined to be abnormal, and the external abnormality monitoring means. An abnormality monitoring system in an exchange, wherein the external abnormality monitoring means activates a recovery operation of the operation control device by stopping the transmission of a confirmation signal for the pseudo call or incoming call signal.