JPS6130462B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an announcement device recovery method for a storage program controlled electronic exchange.

An example of a conventional announcement device is as follows. That is, when a missing number is dialed from a terminal device such as a telephone connected to an exchange, when the terminal device and the announcement trunk are connected, the announcement device starts operating in response to a start signal from the announcement trunk. As a result, the terminal device is of a type that receives information about missed number guidance from the announcement device.

In this conventional example, when a missed number is dialed from multiple terminal devices, each terminal device is multiple-connected to the announcement trunk. In this case, when the announcement device recovers, each terminal device multiplexed to the announcement trunk recovers in sequence, and when the last terminal device recovers, a recovery signal is sent from the announcement trunk to the announcement device. The announcement device will be restored. In other words, in order to restore the announcement device, the number of terminal devices multiplexed to the announcement trunk must be memorized each time the terminal device is connected, and each time the terminal device is restored, the terminal device can make an announcement. It is necessary to be able to identify whether this is the last terminal device connected to the management trunk.

As a conventional method for identifying this, a connection counter memory is provided, and each time a terminal device is connected to an announcement trunk, 1 is added to the connection counter memory, and each time the terminal device is restored, 1 is added to the connection counter memory.
When the content of the connection counter memory becomes 0 by subtracting the value, the announcement device is restored.

However, with this method, if the contents of the connection counter memory become larger than the normal value due to a failure, etc., the announcement device will not recover even if all the multi-connected terminal devices recover, and the announcement will remain invalid. It may remain in this state. Therefore, it is necessary to periodically correct the contents of the connection counter memory, and a large amount of program memory is required to perform this correction process.

An object of the present invention is to easily identify that all terminal devices multiplexed to an announcement trunk have been restored, and to restore the announcement device.
An object of the present invention is to provide an announcement device recovery method that eliminates the suspension of invalidation of an announcement device.

To achieve the above object, the present invention provides a timer memory that can be read and written by a processor, and each time each terminal device is multiple-connected to an announcement trunk, the processor stores a timer memory corresponding to each terminal device in the timer memory and A timer value is written to the announcement trunk timer under conditions such that the terminal device's timer value is smaller than the announcement trunk's timer value, and when the terminal device's timer times out, the terminal device's timer and announcement are written again. By writing the timer value of the above condition into the trunk timer, the announcement device is restored when the announcement trunk timer times out after all the terminal devices multiplexed to the announcement trunk are restored. .

Embodiments of the present invention will be described below with reference to the drawings. Fig. 1 is a block diagram of an embodiment of the present invention, Fig. 2 is a block diagram of an embodiment of the present invention;
The figure is a data configuration diagram of a timer memory according to an embodiment of the present invention.

In the stored program controlled electronic exchange, as shown in FIG. It controls the switch network 12, announcement trunk 13, etc. to perform exchange processing. In FIG. 1, when the processor 16 identifies that a missing number has been dialed on the terminal device 10, it activates the switch network control order and announcement device 14 for connecting the terminal device 10 and the announcement trunk 13. An announcement trunk control order for the terminal device 10 and the announcement trunk 13 is sent to the peripheral control device 15.
Connect with. Thereafter, the processor 16 writes 30 second timer information to the timer memory of the terminal device 10 in the timer memory 18 and writes 60 second timer information to the time memory of the announcement trunk 13.

A memory configuration diagram of the timer corresponding to the terminal device and the announcement trunk timer in the timer memory 18 is shown in FIG. Processor 16 is 2
The timer value of the terminal device 10 and the timer value of the announcement trunk are read from the timer memory 18 every second, the timer values are subtracted from each other, and the subtracted timer values are written again. When the terminal device 10 is restored while the terminal device 10 and the announcement trunk 13 are connected,
The processor 16 detects the recovery of the terminal device 10 by controlling the peripheral control device 15, and sends a switch network recovery order to the peripheral control device 15 to restore the communication path between the terminal device 10 and the announcement trunk 13. do. After that, the processor 16 clears the timer value of the timer memory of the terminal device 10 in the timer memory 18 and
Stop updating the timer value regarding 0. After this, the processor 16 continues to subtract the timer value of the announcement trunk in the timer memory 18 every 2 seconds, and indicates when the timer value times out, that is, 60 seconds have passed since the previous 60-second timer information was written. When identified, an announcement restoration signal is sent to the announcement trunk 13 via the peripheral control device 15. When the announcement trunk 13 is restored, the announcement device 14 is transferred from the announcement trunk 13 to the announcement device 14.
A recovery signal is sent to the announcement device 14.
stops working. In a state where the terminal device 10 and the announcement trunk 13 are connected, the processor 16 reads the timer value of the terminal device 10 from the timer memory 18, and when the timer value times out, that is, the terminal device 10 connects to the announcement trunk 13. When it is determined that 30 seconds have passed since the connection, the 30-second timer information and the 60-second timer information are written again into the timer of the terminal device 10 and the timer of the announcement trunk 13, respectively. Next, announcement trunk 13
The following describes a process when the terminal devices 10 and 11 are connected multiplexed and the announcement trunk is restored thereafter. In a state where the terminal device 10 and the announcement trunk 13 are connected, when the processor 16 identifies that a missing number has been dialed from the terminal device 11, the processor 16 performs a process for connecting the terminal device 11 and the announcement trunk 13. The switch network control order is sent to the peripheral control device 15. Thereafter, the processor 16 writes 30 second timer information to the timer memory of the terminal device 11 in the timer memory 18 and writes 60 second timer information to the timer memory of the announcement trunk 13. In other words, announcement trunk 13
60 second timer information is written into the timer every time a terminal device is connected to the announcement trunk 13. The processor 16 is connected to the terminal devices 10 and 1.
1, the terminal device 10
and sends a switch network restoration order to the peripheral control device 15 to restore the communication path between the communication path 11 and the announcement trunk 13. Next, the processor 16 clears the timer values in the timer memories corresponding to the terminal devices 10 and 11 in the timer memory 18, and stops updating the timer values regarding the terminal devices 10 and 11. After this, the processor 16 continues to subtract the timer value of the announcement trunk in the timer memory 18 every 2 seconds, and when the timer value reaches a timeout, that is, 60 seconds have passed since the previous 60-second timer information was written. When this is identified, an announcement device recovery signal is sent to the announcement trunk 13 via the peripheral control device 15. Announcement trunk 13
Upon recovery, a recovery signal is sent from the announcement trunk 13 to the announcement device 14, and the announcement device 14 stops operating.

As described above, in the announcement device recovery method of the present invention, a timer memory is provided corresponding to the terminal device and the announcement trunk, and each time the terminal device is connected to the announcement trunk, the timer corresponding to the terminal device and the timer of the announcement trunk are When the terminal device's timer value is smaller than the announcement trunk's timer value, and the terminal device's timer times out, the timer value under the above conditions is written to the terminal device's timer and the announcement trunk's timer again. By writing the value, the announcement device can be restored when the timer value of the announcement trunk times out after all the terminal devices multiplexed to the announcement trunk have been restored.

As explained above, according to the present invention, there is no need for processing to count the number of terminal devices connected to an announcement trunk, and there is no need for correction processing when the counter value becomes abnormal. It becomes possible to identify that all terminal devices connected to the announcement trunk have been restored and stop the operation of the announcement device, and as a result, it is possible to use the announcement device efficiently. Become.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a data configuration diagram of a timer memory according to the embodiment of the present invention. 10, 11...Terminal device, 12...Switch network, 13...Announcement trunk, 14...Announcement device, 15...Peripheral control device, 16...Processor, 17...Program and temporary storage memory, 18...Timer memory.

Claims (1)

[Claims] 1. In an announcement device recovery system for a storage program controlled electronic exchange including an announcement device that supplies audio signal information to each of said terminal devices via an announcement trunk connected to at least one terminal device, each time each of the terminal devices is multiplex connected to the announcement trunk, the processor includes a timer memory provided in the timer memory corresponding to each of the terminal devices and the announcement trunk. writing a timer value under the condition that the timer value of the timer corresponding to the terminal device becomes smaller than the timer value of the timer corresponding to the announcement trunk, and the timer corresponding to each of the terminal devices times out. By writing the timer value of the condition again into the timer of the terminal device that has timed out and the timer corresponding to the announcement trunk, each of the terminal devices multiplexed to the announcement trunk can An announcement device recovery method characterized in that, after recovery, the announcement device is recovered when a timer corresponding to the announcement trunk times out.