JP3339063B2 - Private branch exchange - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a private branch exchange which comprises a plurality of processors and performs a switching operation while performing data communication between the processors.

[0002]

2. Description of the Related Art First, the operation of a conventional private branch exchange will be described. When a fault occurs in the private branch exchange, a failure diagnosis unit that detects the failure as soon as possible, performs appropriate processing, and performs processing so that it can continue to operate as a switch, is necessary to operate the private branch exchange. An operation management unit that registers and deletes important data, an exchange processing unit that performs exchange processing from calling by a telephone such as an internal or external telephone call to a call and disconnection (these exchange processing unit, fault diagnosis unit, operation management And a data communication processing unit for transmitting and receiving data of the exchange processing unit, the failure diagnosis unit, and the operation management unit between the processors, and an order of operation levels in accordance with a preset priority operation level. And a monitor control unit that activates the application unit and the data communication processing unit to perform each process. In order to give priority to the processing of the application part, the priority operation level of the application part is set higher than the priority operation level of the communication processing part, and the priority operation level of the communication processing part is fixed at the lowest level, and the processing of the application part ends. Then, the communication processing unit is activated to perform data communication with another processor.

[0003]

However, in the above-described conventional configuration, when the number of activations of the application unit is small, the number of operations per unit time of the data communication processing unit increases, but when the number of activations of the application unit increases. There has been a problem that the number of operations per unit time of the data communication processing unit is extremely reduced and the data communication speed is reduced, resulting in a slow response. Further, even when the load of the application unit differs between the processors, there is a problem that the communication processing unit is not activated effectively. SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a private branch exchange which efficiently performs communication processing.

[0004]

In order to achieve the above object, an automatic private branch exchange according to the present invention has an exchange processing unit for performing exchange processing from calling by telephone to talking and disconnection;
When a failure occurs in the private branch exchange, the failure is detected and appropriate processing is performed, and a failure diagnosis unit that performs processing so that operation as an exchange can be continued, and registration and deletion of data necessary for operation. An application unit comprising an operation management unit for performing data transmission and reception between the exchange processing unit, the failure diagnosis unit, and the operation management unit by transmitting and receiving data to and from the other processor; A communication monitoring unit that monitors the number of operations per unit time of the processing unit; and the switching processing unit, the failure diagnosis unit, the operation management unit, the data communication processing unit, and the communication unit in descending order of level according to a preset priority operation level. And a monitor control unit for activating the monitoring unit and performing each process.

[0005]

According to the present invention, in the above configuration, the communication monitoring unit raises the priority operation level of the communication processing unit from the priority operation level of the application unit when the number of times of operation of the data communication processing unit falls below the minimum limit for a predetermined number of times. When the number of operations of the data communication processing unit exceeds the minimum limit for a certain number of consecutive times, the priority operation level of the communication processing unit is returned to the original level and reduced from the priority operation level of the application unit, so that it always exceeds a certain percentage. Thus, the data communication process can be guaranteed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the private branch exchange according to the present invention will be described below with reference to FIG. In FIG. 1, reference numeral 100 denotes one processor A in the private branch exchange. 101
Indicates the following exchange processing unit 104 and failure diagnosis unit 1 according to the priority operation level set in the control data storage unit 107.
02, a monitor control that activates the operation management unit 103, the communication monitoring unit 105, and the data communication processing unit from a high-level process, and provides a function that can freely change the priority operation level of each task to each task. Department. 102
Is a failure diagnosis unit that detects a failure as soon as possible in the private branch exchange 100, performs appropriate processing, and performs processing so that operation as an exchange can be continued. 103 operates the private branch exchange 100. Operation management unit that registers and deletes data necessary for
Reference numeral 04 denotes an exchange processing unit which performs exchange processing from calling by a telephone such as an internal telephone call or an external telephone call to a telephone call and disconnection, and a failure diagnostic unit 102 and an operation management unit 10 as in the conventional example.
3 and the exchange processing unit 104 are collectively referred to as an application unit 110. 105 is periodically started by the monitor control unit 101, and the number of operations per unit time of the data communication processing unit 106 is obtained from the communication processing number storage unit 109. If the number of operations is less than the minimum limit for a certain number of times, data communication is performed. The priority operation level of the processing unit 106 is raised from the priority operation level of the application unit, and if the number of operations exceeds the minimum limit value for a certain number of consecutive times, the priority operation level of the data communication processing unit 106 is restored to the original level. The communication monitoring unit 106 always lowers the priority operation level of the unit from the priority operation level to guarantee the number of operations at a certain ratio or more. The data communication processing unit 107 performs the priority operation level of each task and the Boot sequence (Priority level is started early from those of the case activation order equal to) the control data storage unit for storing for each task, 10
8, a communication monitoring data storage unit for storing how many times the number of operations per unit time of the data communication processing unit 106 has fallen below the minimum limit value;
Is a communication processing frequency storage unit for storing the number of times of performing data transmission request processing from the application unit 110 and data reception processing from another processor. The exchange processing unit 104, the failure diagnosis unit 102, the operation management unit 103, the communication monitoring unit 105, and the data communication processing unit 106 are each called a task. Next, a description will be given of the mutual relation and operation of the components.

Here, the concept of the priority operation level will be described. The priority operation level of the data communication processing unit 106 is lower than the priority operation level of the application unit 110, and the exchange processing unit 104,
When the priority operation levels of the fault diagnosis unit 102 and the operation management unit 103 are all the same, the operation is started in the order registered in the control data storage unit 107. For example, the control data storage unit 107
Exchange processing unit 104, failure diagnosis unit 102, operation management unit 1
Assuming that the processes are registered in the order of 03, the respective processes are started in the order of registration, and subsequently the data communication processing unit 106 is started. After this, the application unit 110
Is not operating, the data communication processing unit 106 is always operating. When the data communication processing unit 106 receives data from another processor, the data communication processing unit 106 transmits the data to the application unit 110. If this data is, for example, data addressed to the exchange processing unit 104, the exchange processing unit 104 is activated and performs a predetermined process. Thereafter, when the exchange processing unit 104 transmits data to the failure diagnosis unit 102, the failure diagnosis unit 102 is subsequently activated, and after the processing of the application unit 110 is completed, the data communication unit 106 is activated. As described above, if the operation time of the application unit is long, the number of activations of the data communication unit 106 decreases.

Next, a description will be given of an activation form of each task. The priority operation level of the application unit 110 and the communication monitoring unit 105 is 2 in advance, and the data communication processing unit 1
The priority operation level of 06 is 7 (the activation level is lower as the value is larger), and the activation order is set in the control data storage unit 107 in the order of the failure diagnosis unit 102, the operation management unit 103, the exchange processing unit 104, and the communication monitoring unit 105. Suppose it had been. Here, when the power of the processor A is turned on, the monitor control unit 1
01 reads out the priority operation level from the control data storage unit 107, and in accordance with the priority operation level and the activation order, the failure diagnosis unit 102, the operation management unit 103, the exchange processing unit 104,
The communication monitoring unit 105 and the data communication processing unit 106 are activated in this order. Thereafter, the application unit shifts to a state of waiting for message reception.
Triggered by sending a message to. Thereafter, the communication monitoring unit 105 is activated at a constant cycle interval. The data communication processing unit 106 is the application unit 1
When the communication monitoring unit 10 and the communication monitoring unit 105 are not operating, they are always activated.

The actual operation of the communication monitoring unit 105 will be described below with reference to FIG. Communication monitoring unit 105
Is started by the monitor control unit 101 at regular intervals (step 201), and reads out data stored in the communication processing count storage unit 109 (step 202). The read data is compared with a predetermined minimum limit value (step 203). If it is lower than the minimum limit value, it is determined whether or not this state is continued for a certain number of times (step 20).
4). In the case where the number of continuous operations exceeds a predetermined number, the priority operation level of the data communication processing unit 106 is set higher than that of the application unit 110 using the function of the monitor control unit 101 (step 205), and the area of the communication monitoring data storage unit 108 is changed. Clear (step 206). If the state below the minimum limit value is not continuous for a certain number of times, 1 is added to the area of the communication monitoring data storage unit 108 and stored (step 207).

If the data in the communication processing count storage unit 109 exceeds the minimum limit value, the current data communication processing unit 1
06 priority operation level is checked (step 20).
8) If the level is higher than the application section, it is determined whether or not the state exceeding the minimum limit value has continued for a certain number of times (step 209). If the number of consecutive operations is equal to or more than the predetermined number, the priority operation level of the data communication processing unit 106 is returned to the original operation level by using the function of the monitor control unit 101 to be lower than the application unit 110 (step 210).
The area of the communication monitoring data storage unit 108 is cleared (step 211). If the state exceeding the minimum limit value is not continuous for a certain number of times or more, 1 is added to the area of the communication monitoring data storage unit 108 and stored (step 212).

When the data in the communication processing number storage section 109 exceeds the minimum limit value, the current data communication processing section 1
If the priority operation level of 06 is lower than that of the application unit 110, the area of the communication monitoring data storage unit 108 is cleared (step 213). Finally, the communication processing count storage unit 109 for newly storing the communication processing count until the next interrupt.
Is cleared (step 214), and the process ends (step 215).

[0012]

As described above, according to the present invention, by providing the communication monitoring unit, the communication monitoring data storage unit, and the communication processing number storage unit, efficient data can be obtained in accordance with the number of activations of the application unit for each processor. Since the communication processing unit can be activated, an extremely convenient private branch exchange can be provided.

[Brief description of the drawings]

FIG. 1 is a block diagram of a private branch exchange according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the processing of the communication monitoring unit.

[Description of Signs] 100 Processor A 101 Monitor control unit 102 Fault diagnosis unit 103 Operation management unit 104 Exchange processing unit 105 Communication monitoring unit 106 Data communication processing unit 107 Control data storage unit 108 Communication monitoring data storage unit 109 Communication processing count storage unit 110 Application Department

Claims (1)

(57) [Claims] 1. A private branch exchange which performs a switching function by transmitting and receiving data between the processors by distributing a load using a plurality of processors and performing switching processing from calling by a telephone to talking and disconnection. When a failure occurs in the processing unit and private automatic exchange, a failure diagnosis unit that detects the failure, performs appropriate processing, and performs processing so that operation as an exchange can be continued, and registration of data necessary for operation And an application unit comprising an operation management unit for performing deletion and transmission and reception of data between the other processor and the exchange processing unit, the failure diagnosis unit,
A data communication processing unit that performs transmission and reception of data required by the operation management unit, a communication monitoring unit that monitors the number of operations per unit time of the data communication processing unit, and an order of higher levels according to a preset priority operation level. And a monitor control unit that activates the exchange processing unit, the failure diagnosis unit, the operation management unit, the data communication processing unit, and the communication monitoring unit to perform each processing, and sets the priority operation level of the application unit to the data communication processing unit. Even if higher, the number of operations of the data communication processing unit for each processor is periodically monitored by the communication monitoring unit, and when the number of operations per unit time falls below a predetermined minimum limit, it is continued for a certain number of times. Raise the priority operation level of the data communication processing unit from the priority operation level of the application unit, and perform the operation per unit time. When the continuous predetermined number of times if the number is greater than the minimum limit value, private automatic branch exchange comprising configured to lowered than the priority operating level of the application portion is returned to the original priority operating level of the data communication processing section.