KR19990055975A - How to make a phone number memo in your keyphone system - Google Patents

Abstract

A method of memorizing a telephone number in a key telephone system to which a plurality of extension-registered key telephone apparatuses are subscribed, the method comprising the steps of: The telephone number of the called party to which the memo is to be delivered is received and registered in the key telephone system to indicate that the memo is registered on the display unit of the destination telephone keyphone to which the memo is to be delivered, When the memo key is input in the phone number memo, the call number is connected to the registered phone number.

Description

How to make a phone number memo in your keyphone system

The present invention relates to a method of memorizing a telephone number in a key telephone system to which a plurality of key telephone apparatuses subscribed to an extension are subscribed, and more particularly to a method for memorizing a telephone number by using a memo key and a numeric key of a telephone key telephone, To a memo method in a key phone system.

Most of the companies or offices these days have a key telephone system installed and operated. In addition to such a key telephone system, there is a private branch exchanger that performs similar functions. The key telephone system performs a function of connecting a local line and an extension line by a telephone line (usually called a local line) between the local exchange facility and the affiliate switching center, and the key telephone system performs efficient business processing It became an indispensable device.

Meanwhile, in the key telephone system, a plurality of extension subscribers each have one key telephone, and a call can be connected between the extension subscribers, or a call received by one subscriber can be received instead of the other subscribers. This means that if the subscriber is absent even when a call is received to one extension station, the other extension subscriber can take a call instead of the incoming call and perform a call operation such as a necessary announcement or an absence guidance.

However, if the subscriber wants to leave a note to the absentee during a call by taking the call of the subscriber who is absent, the subscriber who is on the call should write a separate note or a note to be left on the paper, I used to deliver it directly. This became a very troublesome problem for the subscribers who took the phone, and in some cases, they were deliberately avoiding receiving calls to other subscribers.

.

Accordingly, the present invention focuses on the fact that the memo that a large number of callers left to the absentee is a telephone number, and that a note composed of a telephone number And a method of easily transmitting to the absentee through transmission operation of the key phone system is implemented in the key phone system.

It is an object of the present invention to show an implementation of a memo method in a key phone system in which a memo key is memorized by using a memo key and a numeral key provided in a key phone, and the memo is transmitted to a party.

Accordingly, in the present invention, when a memo key is input in any one of the key telephone apparatuses subscribed to the key telephone system, the memo key and the memo information including the memo content and the telephone number are inputted, And displays a message that the memo is registered on the display unit of the called party's telephone to which the memo is to be delivered. When the memo key is inputted from the incoming key telephone while the memo is displayed, A telephone number memo method is proposed in a key telephone system that performs an operation of connecting a telephone number.

1 is a block diagram of a key telephone system in which the present invention is implemented;

2 is a block diagram of a key telephone connected to a key telephone system in which the present invention is performed;

3 is a flowchart of a telephone number memo method in a key telephone system according to the present invention;

4 is a flowchart of a memo delivery method registered in the keyphone system according to the present invention

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. Components and functions used in the present invention will also be omitted. It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

1 is a block diagram of a key telephone system in which the present invention is implemented.

Referring to FIG. 1, the central processing unit 100 processes a preset program to control a call switch, and controls various services and operations according to the present invention. A RAM (Random Access Memory) 110 has a program and volatile data processing area, and is composed of a plurality of various buffers and is used as a work memory of the central processing unit 100. ROM 120 includes a control program for performing call and call waiting functions. Under the control of the central processing unit 100, the switching circuit 130 switches various tone and voice data, connection between extensions, connection of a trunk line, and the like. The general subscriber circuit 140 performs interfacing between a general telephone set of a plurality of subscribers and the apparatus. The ring generator 150 outputs a ring signal in the form of a square wave to the general subscriber circuit 140. The key phone subscriber circuit 160 performs interfacing between a plurality of key telephone sets and a device. At this time, the key telephone includes a predetermined display unit so that the subscriber can know the overall operation state of the system, the input telephone number, and the like. The tone generator 170 is controlled by the central processing unit 100 and forms a trunk loop by visualizing the trunk line. In addition, an incoming signal received through the CO is interfaced. The DTMF receiver 190 analyzes the DTMF signal generated from the subscriber of the general subscriber circuit 140. On the other hand, the DTMF transmitter 200 outputs the DTMF signal to the switching circuit 130 under the control of the central processing unit 100. The clock circuit 105 also has a timer function for providing a clock function to the central processing unit 100 and for counting other predetermined times.

FIG. 2 is a block diagram of a key telephone connected to the key telephone subscriber circuit 160 in the key telephone system in which the present invention is implemented, adopting a digital telephone system.

Referring to FIG. 2, the transmitter 220 serves as a keyphone subscriber circuit 160, which is a terminal matching unit of the keyphone system, and a transmission window of the key phone. For example, the TCM 2B + D transmission mode, the AMI CORDER function, the digital PLL function, and the interface with the control unit are performed. The power supply unit 280 receives power from the key phone system through a cable that is connected to the transmission unit 220, converts the power, and supplies the converted power to the key phone. The main control unit 210 controls all the parts of the key telephone, and is usually implemented as a one-chip microcomputer. The key input (KEY) and red (LDE) unit 250 detects input key data and performs on / off of red. The key input / red unit 250 includes a numeric key or a function key including only a key button. The key input / red unit 250 also includes a key button that is implemented in the same key button as the key button and red, and turns on / off the red button when the key button is pressed. In order to carry out the present invention, a memo key is provided. The memo key is a key provided to the same key button as the key button and the red part. The call interface unit 230 functions to digitize an analog voice signal input to the key telephone through a handset or a microphone. And a function of converting the digital signal input through the transmission unit 220 to analog and outputting the digital signal to a speaker or a handset. This includes a multifunctional codec (CODEC) and a ring volume level adjuster. The LCD unit 260 serves as a display unit for displaying the status of the key telephone, and also displays input key data. A channel extension unit 240 adds 1B of 2B + D channels received from the transmission unit 220 to a modem circuit or an external expansion device to the key telephone through a KDB-D or KDB-S module, .

3 is a flowchart illustrating a method of memorizing telephone numbers in the keyphone system according to the present invention.

Referring to FIG. 3, in step 300, an extension telephone joined to the key telephone system is in a busy state. At this time, if the memo key is inputted in step 302, step 304 enters the memo memo registration mode. Then, a red LED provided on the memo key is turned on, and display information such as a is displayed on the LCD unit 260. That is, it is an indication that the telephone number of the calling party and the extension number of the person to whom the telephone number is to be delivered are inputted. In step 306, a telephone number input operation is performed. This appears as b in the LCD unit 260. In this example, the caller asked for a phone number of '114', and the extension subscriber listened to this and input '114'. If the '*' key is input in step 308, it means that the phone number input operation performed in step 306 is completed. That is, the key is an end key for inputting a telephone number. In step 310, it is determined whether the extension number of the person to which the inputted telephone number is to be transmitted is input. This is displayed on the LCD unit 260 as c. Referring to the above c, it can be known that '555' is inputted as the extension number to which the telephone number is to be transmitted. In step 310, information related to all the memos, a telephone number, and an extension number are input, and the memo transfer function according to the present invention is registered in the key phone system. The registered information is stored in the ROM 120.

The process of FIG. 3 described above is a process of registering a memo delivered to an absentee by an extension subscriber who receives a call on behalf of the absentee. The process of FIG. 4, which will be described below, shows a process of confirming a memo registered in the keyphone system by the absentee.

That is, FIG. 4 is a flowchart illustrating a method of transmitting a memo registered in the keyphone system according to the present invention to a corresponding extension subscriber.

Referring to FIG. 4, in step 400, it is detected that there is a memo registered in the keyphone system in step 312 of FIG. Step 402 The red LED implemented in the memo key of the extension phone number corresponding to the extension number inputted in step 310 of FIG. 3, that is, the extension number inputted in step 310 of FIG. 3, is turned on. And displays the memo registered in the memory. This is indicated by d, and the character information of 'call request' and the telephone number of '114' are displayed in a predetermined form. If the 406 step memo key 406 is input, the red of the turned on memo key is turned off in step 408, and the call is automatically connected to the memo phone number '114'. When the key phone is off-hooked, the controller detects the key entry in step 410 and deletes the memo information displayed on the LCD unit in step 412, and cancels the registered memo transfer function.

In the present invention, when a telephone number is input from the other party during a call, and an extension number of a subscriber to be memorized with the telephone number is inputted, the subscriber's telephone number is entered into the subscriber's key telephone, Is displayed.

On the other hand, in the above description of the present invention, only the telephone number is recorded. The present invention has been described in the context of the present invention. Therefore, when a function of inputting characters is added, the contents of the memo, as well as the telephone number, .

As described above, according to the present invention, while an extension subscriber in the key phone system is performing a conversation of an absentee, the note is promptly executed according to a memo request of the opposing party, and is displayed on the absent extension line, .

In addition, the absentee has the convenience of confirming the memo through his / her key telephone and connecting the call immediately to the telephone number which was memorized by only one key button input.

Claims (4)

A method for memorizing a telephone number in a key telephone system in which a plurality of key telephone sets equipped with memo keys are subscribed to, After the memo key is inputted from a key telephone of the extension telephone, the memo and the telephone number input in accordance with the predetermined key input operation and the extension number of the incoming key telephone telephone to which the memo is to be delivered, And displays a memo registered on the display unit of the called party key phone to which the memo is to be delivered. When the memo key is input in the incoming key telephone, the memo and the registered phone number are displayed, And a telephone number memo method in a key telephone system connecting a call to the displayed telephone number. The method according to claim 1, (LED) on the memo key, and when the memo, the telephone number, and the extension number are registered in the key telephone system, a red LED of the memo key included in the incoming key telephone of the registered memo is turned on Is added to the telephone number of the key telephone system. 3. The method of claim 2, Wherein the red LED provided on the memo key is turned on / off according to a toggle operation. The method according to claim 1, And when the called party phone is off-hooked, deletes information on the presence of the registered registered note from the display unit and deletes the note related information registered in the key phone system Wherein the method further comprises the steps of: