KR100235468B1 - Redialing method of a private branch exchange - Google Patents

Abstract

The present invention relates to a redialing method during a dialing misoperation of a simple switched telephone system that is capable of redialing during a telephone number misoperation.

The present invention provides a number switching step of inputting a telephone number to be called in a simple switching telephone system having a plurality of telephones each having a unique extension number and an assertion value for providing a call and exchange function for these telephones. A storage step of storing the inputted telephone number, a display step of displaying the stored telephone number, and a key input determination step of determining whether to send or cancel a signal corresponding to the input telephone number through key input. In the key input determination step, when the calling key is input, a signal corresponding to the stored phone number is transmitted to the main device, and when the cancel key is input, the stored phone number is reset and the display state is reset to the standby state. Characterized in that configured to include the operation control step of switching.

Therefore, according to the present invention, it is possible to realize a method for redialing during a dialing erroneous operation of the simple switching telephone system.

Description

Redialing Method During Dialing Incorrect Operation in Simple Switching Telephone System

The present invention relates to a simple switched telephone system, and more particularly, to a redialing method during a dialing misoperation of a simple switched telephone system which enables redialing during a dialing misoperation of a telephone number to be called.

In general, a simple switched telephone system connects a plurality of telephones to a main device so that a predetermined telephone line can be jointly used by several telephones. It is usually installed and in operation.

Fig. 1 is a block diagram showing the main components of the simple switching telephone system. In the drawing, reference numeral 10 denotes a main device, and 20 denotes a key phone telephone connected to the main device 10.

On the main device 10 side, reference numeral 11 is a switch unit for switching connection between the telephone and the telephone or between the telephone and the trunk line under the control of the microprocessor 19 which will be described later. It is a trunk line trunk module that connects a trunk line to a station subscriber when making a call to the trunk line and connects it with an external trunk line and enables the subscriber to respond when an incoming call is made from the trunk line.

Further, reference numeral 13 denotes data coming from each key phone telephone, for example, a button signal from the key telephone telephone 20 according to a user's operation, and transmitted to the key telephone telephone 20 from the main apparatus 10 side, for example, an LCD display. Data transmission and reception unit for transmitting and receiving data for, etc., 14 is a voice and data conversion unit for mixing or separating the voice signal and the data signal transmitted and received by the data transmission and reception unit (13).

Further, reference numeral 15 denotes a timer for generating predetermined time data, and 16 denotes a program storage unit 16a in which an operation program of the microprocessor 19 is stored, and a password storage in which a unique number of each key phone is stored. It is a program memory provided with a section 16b.

In addition, reference numeral 19 denotes a control unit for controlling the entire main device 10, which controls the switch unit 11 to connect a telephone with a telephone or a telephone line and a telephone line through a data transmission / reception unit 13 at the same time ( 20) Outputs LCD display data corresponding to button signal input from 20), and in particular, manages registration data of data memory 17 corresponding to each key phone telephone to control, modify, input, delete and inquire such data. Will be performed.

In addition, on the side of the key phone 20, reference numeral 21 is an audio unit for providing a call function to the user, including a handset, a microphone, a speaker, and the like, and reference numeral 22 denotes a user for operating the key phone 20. A button unit having a plurality of buttons. The button unit 22 includes a plurality of numeric buttons (not shown), a fixed function button for executing a fixed function such as a surrogate response or a speakerphone function, and a button for a user. It includes a variable function button that allows to arbitrarily set the CO line number, the extension number, and the like, and a selection button for selecting an operation mode displayed on the LCD display unit 24 to be described later.

In addition, reference numeral 23 denotes that when the user operates the button unit 22 according to the microprocessor 26 to be described later, the button data corresponding to the selected button is transmitted to the main device 10 side, and the main device 10 The data transmission / reception unit for receiving display data corresponding to the corresponding button input transmitted from the data transmission unit 24, mixes and transmits the audio signal and the data signal transmitted from the audio unit 21 and the data transmission / reception unit 23, and the main device. A voice and data converter for separating the voice signal and the data signal from the signal sent from the (10) side, and 25 is an LCD display for displaying the data received by the data transmitter / receiver 23 to the user.

Reference numeral 26 denotes a microprocessor for controlling the entire apparatus, 27 is a program memory in which the operation program of the microprocessor 26 is stored, and 28 is a data memory for storing various processing data.

That is, in the above-mentioned simple switching telephone system, when the user operates the button unit 22 of the key phone telephone 20, the key phone telephone side microprocessor 26 is the data transmitter / receiver 23 and the voice and data converter 24. When the data signal is transmitted to the control unit 19 through the voice and data conversion unit 14, data transmission and reception unit 13, etc. The control unit 19 transmits the display data corresponding to the input data signal to the key phone telephone 20 through the data transmission / reception unit 13 and the voice and data conversion unit 14, and controls corresponding to the selected button. Will execute the action.

On the other hand, in the key phone telephone 20 side, the microprocessor 26 displays the LCD display unit 25 on the basis of the display data received from the main device 10 through the voice and data conversion unit 24 and the data transmission / reception unit 23. By driving, the call information corresponding to the button selected by the user is displayed.

By the way, the key phone telephone 20 of the above configuration is to switch to the trunk line through the button unit 22, if you want to talk to an external telephone using a trunk line, and then enter the telephone number through the numeric keys microprocessor (26) stores the phone number entered in the data memory 20 and displays it on the display unit 25. If the wrong number is entered in the process of entering the phone number, the phone number is dialed again after the on-hook. There is discomfort to be done.

Accordingly, an object of the present invention is to provide a redialing method during a dialing misoperation of a simple switching telephone system, which has been created in view of the above circumstances and is capable of redialing during a dialing misoperation of a telephone number to be called. .

1 is a block diagram showing the main components of a simplified switching telephone system.

Fig. 2 is a block diagram showing the configuration of a simple switching telephone system for explaining a redialing method during a dialing misoperation according to an embodiment of the present invention.

FIG. 3 is an operation flowchart for explaining the operation of the apparatus of FIG.

* Explanation of symbols for main parts of the drawings

10: main device 20: key phone

11: switch unit 12: trunk line trunk module

13, 23: data transmission and reception unit 14, 24: voice and data conversion unit

15: Timer 16: Program Memory

16a: program storage unit 16b: password storage unit

17: data memory 21: audio portion

22: button portion 25: LCD display portion

26: microprocessor 27: program memory

28: data memory 30: key input unit

30a: Outgoing key 30b: Cancel key

30c: Numeric Key 31: Data Storage

32: microprocessor

In order to achieve the above object, a method of redialing a telephone exchange system in a simple switching telephone system according to the present invention includes a plurality of telephones each having a unique extension number and a main apparatus for providing a call and exchange function for these telephones. A simple switching telephone system comprising: a number input step of inputting a telephone number to be called, a storage step of storing an input telephone number, a display step of displaying a stored telephone number, a signal corresponding to the input telephone number In the key input determination step of determining whether to send or cancel via the key input, when the calling key is input in the key input determination step, the signal corresponding to the stored telephone number is sent to the main device, and the cancel key When is entered, resets the stored phone number and resets the display state and switches to the standby state. That is configured including the control step is characterized.

According to the present invention having the above-described configuration, redialing can be performed without hanging up the telephone during a dialing misoperation.

Hereinafter, an embodiment according to the present invention will be described with reference to the drawings.

FIG. 2 is a block diagram showing the configuration of a simplified switching telephone system for explaining a redialing method during a dialing misoperation according to an embodiment of the present invention.

In the drawings, the same reference numerals are assigned to the same parts as the configuration of FIG. 1 and detailed description thereof will be omitted.

In Fig. 2, reference numeral 30 denotes a numeric key 30c for dialing a telephone number to be called, a cancel key 30b for canceling a dialed telephone number during a dialing misoperation, and a signal corresponding to the dialed telephone number. It is a key input unit is provided with a transmission key (30a) for transmitting the.

In addition, reference numeral 31 is a data storage for storing the dialed telephone number, 32 is a microprocessor for storing the dialed telephone number in the data storage 31 and controlling to display through the display unit 25, When the calling key 30a is inputted, a signal corresponding to the telephone number stored in the data storage unit 31 is transmitted. In addition, when the cancel key 30b is input, the microprocessor 32 resets the telephone number data stored in the data storage unit 31, resets the display state of the display unit 25, and then waits. The mode will be switched.

Next, an operation flowchart shown in FIG. 3 will be described.

First, in a normal operation state in which an arbitrary inter-line call path is set up to conduct a call, when a telephone number to be called by a user is input through the numeric key 30c of the key input unit 30 (step ST1). The microprocessor 32 stores the input telephone number in the data storage unit 31 and displays the telephone number through the display unit 25 (step ST2).

Then, the microprocessor 32 determines whether there is an input of the call key 30a (step ST3), and if there is no input of the call key 30a, it determines whether there is an input of the cancel key 30b ( In step ST4), if there is no input of the cancel key 30b, the stored phone number is read from the data storage unit 31 and the dialing signal corresponding thereto is sent to the main device 10 (step ST5).

On the other hand, when the cancel key 30b is input, the microprocessor 32 resets the stored phone number data of the data storage unit 31 and resets the display state of the display unit 25. (Step ST6), the process returns to step ST1 to determine whether there is no input of a telephone number.

Then, if there is no input of the telephone number by returning to the step ST1, the microprocessor 32 sends an error message or terminates after performing a normal control process accordingly.

In addition, when the call key 30a is input after the input of the telephone number in step ST3, the microprocessor 32 reads the telephone number from the data storage unit 31 and transmits a dialing signal corresponding thereto. 10) to send to the side.

Thereafter, when the call path is connected and the call is established, the process is terminated after the normal control process related to the call (ST7 step).

That is, according to the above embodiment, when the telephone number to be called is misoperated, when the cancel key 30b is pressed, the dialed telephone number is reset and redials.

In addition, this invention is not limited to the said Example, It can variously deform and implement within the range which does not deviate from the technical summary of this invention.

As described above, according to the present invention, it is possible to realize a method capable of redialing during a dialing erroneous operation of the simple switching telephone system.

Claims (1)

A simple switched telephone system having a plurality of telephones each having a unique extension number and a claim for providing call and exchange functions for these telephones; A number input step of inputting a telephone number to be called; A storage step of storing the input telephone number; A display step for displaying the stored phone number, A key input determination step of determining, by key input, whether to send or cancel a signal corresponding to the input telephone number; When the calling key is input in the key input judging step, a signal corresponding to the stored phone number is transmitted to the main device to perform a general call function, and when the cancel key is input, the stored phone number is reset and And an operation control step of transitioning to the number input step after resetting the display state.