KR970000670B1 - Phone-number guiding system - Google Patents

Abstract

The method checks if a user of the terminal hooks off a handset, and if the handset is hooked off, it displays a called number on a display part(3) as the user sends a telephone number of the called party using a keypad(1). Simultaneously the displayed number in a memory(4) is stored and outputs DTMF(Dual Tone Multi Frequency) tone to the called party through a DTMF generating/transmitting part(6). If there is the response from the called party, the memory(4) and the display part(3) is initialized. After that, if a telephone guide information from a guide is inputted as the DTMF signal through an office line, it displays the provided DTMF signal on the display part(3) and stores the same. If command signal for calling to the guided telephone number stored as the DTMF signal is inputted, a hook switch of the handset is on/off-operated of itself, then transmits the called number stored in the memory(4).

Description

Information phone number display and automatic call diagram circuit and its operation method

1 is a schematic diagram of an information telephone number display and an automatic call diagram circuit.

2 is a flow chart according to the operation method of the guidance telephone number display and automatic call diagram circuit.

* Explanation of symbols for main parts of the drawings

1: Keypad part 3: Main control part

3: display window 4: memory

5: DTMF receiving unit 6: DTMF generating / sending unit

7: pass circuit L1, L2; Telephone line

The present invention is a communication terminal used in a public communication network, and displays the DTMF signal carried on the trunk line during the call so that the user can visually check, and display the guide phone number that can automatically call the guided phone number And automatic visibility circuitry and a method of operation thereof.

In general, in the telephone number guide service such as the telephone number guide 114, conventionally, the telephone number guide is provided as a voice service. However, in the conventional phone number guide service, the phone number is guided by voice, so it is difficult to clearly hear the phone number guide voice in a crowded and noisy place. In addition, if you get it wrong, you have to try to re-call to re-inquire. However, there are so many users who use the telephone guide service, which makes it difficult to make the re-call.

Therefore, the present invention devised to solve the above problems of the prior art, the telephone number guided service telephone number during the call is displayed visually so that the user can recognize more clearly than the conventional, the call to the guide number The objective is to provide a guide phone number display and automatic call diagram circuit and a method of operation thereof so as to make a successful call when attempted.

In order to achieve the above object, the guide telephone number display and the automatic call diagram circuit according to the present invention are connected to one line of a telephone line and provided with DTMF receiving means for receiving a DTMF signal input from the one telephone line, and a communication terminal. DTMF tones being received or generated according to the control signal itself and the DTMF generating / transmitting means for outputting to the telephone line, the DTMF signal through the DTMF receiving means, and stores the stored DTMF signal to the DTMF generating / sending means A main control means for providing a control signal for transmitting the corresponding DTMF signal to the DTMF generating / transmitting means and a memory when the memory to be outputted and the calling number are input, and controlling the signal input to the DTMF receiving means to be stored in the memory. And a DTMF signal received by the DTMF receiving means 5 under the control of the main control means. Display means was provided.

In addition, the operating method of the guide telephone number display and automatic call diagram circuit according to the present invention is applied to the guide telephone number display and the automatic call diagram circuit, and investigates whether the handset is hooked off. The first step of displaying the calling number on the display means as soon as the telephone number is sent, storing the displayed calling number in a memory, and outputting DTMF tones to the called party through the DTMF generation / transmission means, and after performing the first step. When the caller is connected with the called party, the memory and the display means are initialized, and when the telephone guide information is input as the DTMF signal from the called party, the second step of displaying the input DTMF signal on the display means and storing it in the memory is performed after the third step. When the command signal is inputted by the caller to the telephone guide number provided as DTMF signal, the hook switch of the handset is turned on and off by itself. The third step of transmitting the caller number stored in the.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

1 is a configuration diagram of the guidance telephone number display and automatic call diagram circuit according to the present invention, in which 1 is a keypad part, 2 is a main control part, 3 is a display window, 4 is a memory, 5 is a DTMF receiver, and 6 is a DTMF generation. / Transmission unit, 7 denotes a telephone circuit, and L1 and L2 denote telephone lines, respectively.

As shown in the drawing, the guide telephone number display and automatic call diagram circuit according to the present invention includes a DTMF receiver 5 connected to one line of a telephone line and receiving a DTMF signal inputted from the telephone line, and inside a communication terminal. DTMF tones provided from or received by the control signal or generated in accordance with the control signal to the DTMF generating / transmitting section 6 for outputting to one telephone line, DTMF receiving section 5, DTMF generating / sending section 6 ) Has a well-known configuration that is conventionally applied to a communication terminal for a public communication network.

In addition, the present invention, the memory 40 for storing the DTMF signal through the DTMF receiving section 5, and outputs the stored DTMF signal to the DTMF generating / sending section 6, and a key for inputting the telephone number to call If there is a key input for the calling number from the pad unit 1 and the key pad unit 1, a control signal for transmitting the corresponding DTMF signal is provided to the DTMF generating / sending unit 6 and the memory 4, A main control unit 2 for controlling a signal input to the DTMF receiving unit 5 to be stored in the memory 4, and a DTMF signal received at the DTMF receiving unit 5 under the control of the main control unit 2 The display part 3 displayed as a number was provided.

The main control section 2 is preferably constructed using a CPU, and a control program is mounted therein. The display section 3 includes an LCD, a 7-segment display, and a driving circuit thereof, which are conventionally used.

In order to apply and operate the present invention configured as described above to the communication terminal, the telephone number guide service 114 not only guides the phone number by voice but also transmits the corresponding guide number to the DTMF.

Now with reference to FIG. 2, let's look at another guide phone number display and operation method of the automatic call diagram circuit in the present invention.

First, if the communication terminal user checks whether the handset is hooked off (11), and if the user hooks off, the calling party number is displayed on the display unit 3 as soon as the user dials the called party's telephone number using the keypad (12). ). At the same time, the displayed calling number is stored in the memory 4 (13), and the DTMF tone generation unit 14 outputs the DTMF tone to the called party (14).

Then, if there is a response from the called party (15), if there is no response, it is checked whether to resend (16), and if it is to be resent, the process (14) is repeated. If not, the handset of the communication terminal is hooked on. And the process ends (22). If there is a response from the called party, the memory 4 and the display unit 3 are initialized (17).

After initializing the memory 4 and the display unit 3, if the telephone guide information is input as a DTMF signal from a receptionist or the like via a CO line, the input DTMF signal is displayed on the display unit 3 and simultaneously stored in the memory 4. (18, 19).

Then, by determining whether the user who is provided with the voice guidance and DTMF signal to the telephone number stored as the DTMF signal (20), the user will immediately call and turn on / off the hook switch of the handset by itself ( 21) Return to the process (14) of transmitting the calling number to automatically make the calling operation, and when it is confirmed that the calling information is not stored in the stored guide telephone call, it ends according to the hook-on (22).

As described above, the control method according to the present invention has been described as an embodiment of a call with a telephone guide, but the present invention is applicable to a call to an acquaintance to know a phone number as well as a call with a telephone guide. Do. That is, when an acquaintance transmits DTMF tones by pressing a telephone number to be transmitted during a call with a keypad of a communication terminal used by the acquaintance, the acknowledgment may have the same effect when processed by the above processing procedure.

Accordingly, the present invention configured and operated as described above provides the user with a more sure visually guided telephone number, and has the effect of automatically dialing the guided telephone number.

Claims (2)

A communication terminal used in a public communication network, comprising: a DTMF receiving means (5) connected to one line of a telephone line and receiving a DTMF signal input from the one telephone line, and receiving a DTMF tone provided within a communication terminal or a control signal; A DTMF generation / transmission means 6 which generates and outputs itself to the telephone line according to the present invention, and stores the DTMF signal through the DTMF reception means 5, and stores the DTMF signal stored in the DTMF generation / transmission means 6 Memory 4 and a caller ID, the control signal for transmitting the corresponding DTMF signal to the DTMF generation / transmission means 6 and the memory 4 is inputted to the DTMF receiving means 5. A main control means 2 for controlling the input signal to be stored in the memory 4, and a display for displaying the calling number and the DTMF signal received by the DTMF receiving means 5 under the control of the main control means 2; With means 3 Guide telephone number display and automatic call diagram circuit characterized in that. Guide telephone number display and automatic applied to a communication terminal having a DTMF receiving means 5, a DTMF generating / transmitting means 6, a memory 4, a main control means 2, and a display means 3 In the hoshido control method, it is checked whether the handset is hooked off, and when hooked off, the calling number is displayed on the display means 3 as soon as the user dials the called party's telephone number, and the displayed calling number is displayed on the memory 4. After storing, the first step of outputting the DTMF tone to the called party through the DTMF generation / transmission means, and after performing the first step, the memory 4 and the display means (3) is initialized when connected to the called party, the called party When the telephone guide information is input as a DTMF signal from the second step of displaying the input DTMF signal on the display means (3) and storing it in the memory (4), and after performing the third step, the telephone guide number provided as a DTMF signal When the caller inputs a command signal for sending After a hook switch of the set itself to the on / off memory 4 phone numbers and automatic guidance Hoshi, characterized in that it comprises a third step of transmitting a calling number stored in a way controlled.