KR960013258B1 - Key-phone system - Google Patents

Abstract

The voice recognition apparatus is designed to call the other subscriber by talking the subscriber's name. A CPU controls call switching and handles the whole sections of the key phone system to give all sorts of services to the subscribers. A memory unit stores the basic and initial service data for the CPU program and the processed data of the CPU. A switching circuit switches all kinds of tone and voice data under the control of the CPU. A line interconnections circuit forms the public line calling loop to interface the line and the switching circuit by seizing the line under the control of CPU, while general telephone interconnection circuit provides the calling power as well as interfaces the general telephone interconnection circuit and the switching circuit. A multi-buttons telephone circuit receives and transmits all sorts of data, selects extensions and public lines, and supplies the necessary power to the telephone units.

Description

Extension call and trunk line calling method and apparatus using voice recognition device in key phone system

1 is a block diagram according to an embodiment of the present invention.

2 is a detailed circuit diagram of the speech recognition apparatus 10 of FIG.

3 is a configuration diagram of voice data storage of the voice recognition device 10 according to the present invention.

4 is a block diagram of a telephone number table according to the present invention.

5 is a diagram showing the format and type of messages transmitted and received between the central processing unit 1 and the voice recognition device 10 according to the present invention.

6 is a flowchart for recording the names of internal and external subscribers according to the present invention.

7 is a flowchart of an extension call and function using the voice recognition device according to the present invention.

The present invention relates to an extension call and a CO line transmission method in a key phone system, and more particularly, to a method for making an extension call and a CO line call using a voice recognition device.

In general, a party using a key phone system or digital telephone, i.e., an subscriber or a subscriber to a local exchange, must memorize the other party's telephone number when making a call or refer to the 114 service or telephone directory.

In the former case, since we are oblivious animals, it is difficult to memorize many telephone numbers at the same time or for a long time. In the latter case, there is an uncomfortable problem of looking up the telephone numbers when they are not memorized. In order to improve this, the same patent application is filed under application number 89-7328 and has been granted as patent number 051690. The present invention memorizes the company name, business name, and person name including the alphabetic number or Arabic numeral if necessary to the telephone number in the system, and then enters the person's name or company name consisting of alphabetic and Arabic numerals when making a call. It is a directory service method that can walk.

However, the call extension and the call line function using the conventional directory is a function of calling the desired subscriber by viewing the names of the subscribers and the subscribers displayed on the phone through various steps. However, the user has to go through several steps in order to use this technology.

Therefore, an object of the present invention is convenient when an extension call or CO call is made to a key phone user by allowing the other party to pass through by speaking the name of an extension or external CO line subscriber to make a voice call rather than pressing the other party's phone number when making a call. To provide a method and apparatus.

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

FIG. 1 is a diagram of a system aqueous system acting on the present invention, in which the central processing unit 1 controls call switching and overall control of each part of the key phone system to provide various services to the user. The memory unit 2 stores programs and initial service data of the central processing unit 1 for performing basic calls and various functions, and temporarily stores processing data of the central processing unit 1. The switching circuit 11 forms a trunk line call loop by scissing a trunk line under the control of the central processing unit 1, and interfaces a signal between the trunk line and the switching circuit 11. The general telephone connection circuit 3 supplies the talk current of the voice band to the subscriber subscriber general telephone (not shown) under the control of the central processing unit 1 and at the same time interfaces the signal between the general telephone and the switching circuit 11. . The tone generator 6 generates various tone signals under the control of the central processing unit 1 and outputs them to the switching circuit 11.

The dual tone multi frequency (DTMF) receiver 8 is connected to the switching circuit 11 and analyzes an MFC (Multi Frequency Code) signal generated from a general telephone and applies the corresponding digit data to the central processing unit 1.

The DTMF transmitter 9 generates an MFC signal under the control of the central processing unit 1 and applies it to the switching circuit 11. The voice recognition device 10 stores the voice data through the switching circuit 11 under the control of the central processing unit 1 and supplies the voice recognition result to the central processing unit 1.

The key phone system of FIG. 1 is configured by adding a voice recognition device 10 to a general key phone system which provides multi-service services such as trunk lines and extension calls to various subscribers under the control of the central processing unit 1. Therefore, the general description of the operation of the key phone system is omitted.

FIG. 2 shows a detailed block configuration of the voice recognition device shown in FIG.

The DSP (Digital Signal Processor) 20 changes the serial voice data inputted from the switching circuit unit 11 through the highway receiver HWRx in parallel and uses the memory unit 30 to be used later as voice recognition reference data. The voice data inputted from the HWRx of the switching circuit upon request of the voice recognition and the voice data stored in the memory, and the result of the voice recognition will be described later by a central processing unit (LATCH) 50 to be described later. 1).

The memory unit 30 stores voice data input from the highway receiving end HWRx as voice memory means and utilizes the voice recognition data later.

The time division circuit unit 40 includes a time slot for serial audio data applied to the DSP 20 by a frame synchronization signal FS, a 2048 MHz clock, an address signal of the central processing unit, and a control signal. slot).

The address logic unit 60 enables (LATEN) latches by the DSP 20 when the DSP 20 transmits and receives data to and from the CPU 1, and furthermore, the DSP transmits voice data to the memory unit 30. When storing or comparing, a memory enable signal is generated to access the memory.

Lastly, the latch 50 is used to exchange data with the central processing unit 1 and the DSP 20. The central processing unit 1 mainly receives a voice recording command and a voice recognition command message. 20), the DSP 20 mainly returns the recording result and the voice recognition result message to the central processing unit 1.

3 is a memory configuration diagram for storing voice data for a name or a business name to be transmitted in the voice recognition device 10 for carrying out the present invention, and is largely configured for each subscriber and further includes a map for the subscriber. If you look closely, you can store voices for M names or business names per subscriber. The amount of memory needed to store voice data for a name depends on the compression technology and requirements, so it will be appropriate to determine the system environment.

4 is stored in the system memory unit shown in FIG. 1, and in FIG. 3, the actual phone number is symmetrically stored in the name and the mutual plane.

3 to 7, the voice recording method is described. When the subscriber 201 picks up the receiver and presses the voice recording function number or number, the central processing unit Message is sent to the voice recognition device. (01: voice recording start, 201: extension number 201, 1: voice recording in the first area of extension 201) Then, if the voice recognition device 10 has successfully recorded voice, To the central processing unit (1), Send it. Next, when the station recognizes the CO line by calling the voice recognition, the subscriber 201 picks up the handset and presses the voice recognition function number and talks through the handset the name or name of the caller to make a call. Then, the central processing unit 1 requests the voice recording device 10 to recognize the voice. The voice recognition device 10 sends a message and a voice recognition result message to the central processing unit 1 after a while.

If the extension subscriber talked to Samsung Electronics through the handset and the voice recognition device 10 successfully performed the voice recognition message, Is sent to the central processing unit 1, and the central processing unit 1 obtains the actual telephone number (9-02 745 0084) from the message received from the voice recognition unit by obtaining the number (1) of the memory area corresponding to the name and the business name. Automatically execute the CO line call.

If the extension is said to be Hong Gil-dong as a receiver, the voice recognition device 10 It would have been sent to the central processing unit, the central processing unit 1 obtains the extension number 210 corresponding to Hong Gil-dong and makes an internal call. If voice recognition fails Is sent to the central processing unit (1).

Specifically, the recording and calling functions are described in detail with reference to FIGS. 6 and 7 when the extension subscriber picks up the handset through the general telephone connection circuit 3 in the central processing unit 1 in the process 6a. Confirm the voice recording start code input during the process. When the central processing unit 1 inputs a voice recording start code in step (6b), the central processing unit 1 sends a voice recording start message to the voice recognition device 10 in step 6c. The switching circuit unit 11 is controlled to connect the call path between the station and the voice recognition device 10.

In step (6e), the name or business name of the extension subscriber is recorded by voice, and in step 6f, the voice recognition device 10 receives the voice recording result message. The central processing unit 1 checks whether or not the voice recording is successful in the process (6g), and when the success is successful, the voice recording success sound is heard in the process (6h), and when the recording fails, the error sound is heard in the process (6i).

For the call using the recorded voice message, the central processing unit 1 and the extension subscriber check the receiver in step 7a, and the voice recognition start code input is checked in step 7b. When the voice recognition start code is input in the process, the call path is connected through the station, the voice recognition device 10 and the switching circuit unit 11 in step 7c by the control of the central processing unit 1. In step 7d, the central processing unit 1 sends a voice recognition message to the voice recognition device 10 and starts voice recognition in step 7e. Next, in step 71, the voice recognition result message is received from the voice recognition device 10, and in step 7g, the voice recognition result is checked.

In the process (7g), the voice recognition failure date and time (7m) to hear the error sound in the voice recognition result 7 (h) process to obtain the identification number (storage location) in the voice recognition result message to call the outgoing telephone number from FIG. Get

In step (7i), the central processing unit 1 checks whether the outgoing call number received in step (7h) is a trunk line or an extension.

In the case of the extension in step (7i), the extension is called in step (7j). In the case of the trunk line, the call in the step (7k) causes the call to be transmitted and the dial signal is transmitted. In step 7l, the sound is heard and the process is completed.

As described above, by making the call to the other party by speaking the name of the extension or external trunk line subscriber who wants to make a voice call by dialing the other party's phone number, the key phone user has a convenient advantage when making an extension call or a call. have.

Claims (4)

In the private and external subscriber recording method, a first step of checking whether a code for starting the voice recording of the extension subscriber is input, and a voice recording message to the voice recognition device when the voice recording start code is input in the first step. A second process of transmitting a call, a third process of connecting a call path between an extension and a voice recognition device after sending the voice recording start message of the second process, and a recording of an extension subscriber speaking after connecting to the call of the third process And a fourth step of receiving a voice recording result message and confirming success. 4. A method for calling an extension and an external subscriber of a private exchange, comprising: a first step of checking a voice recognition start code input when an extension subscriber hooks off; and a call path between the extension and the voice recognition device when the voice recognition start code input is input in the first step. A second step of connecting and transmitting a voice recognition start message to a voice recognition device; and a third step of confirming whether the recognition is successful by starting the voice recognition after receiving the voice recognition start message of the second step and receiving the recognition result message. And a fourth step of transmitting an error sound when the recognition fails in the third step, obtaining an identification number from the voice recognition result message of the recognition success, and obtaining an outgoing telephone number, and extending the extension from the outgoing telephone number of the fourth stage. Keyphone system, characterized in that made in the fifth step to send a call, time and time of the CO line, caustic line, send a dial signal and listen for a ring tone Extension outgoing trunk call and method using speech recognition apparatus according to. In the internal call and trunk line transmission system of a key phone system, a central processing unit (1) for controlling call switching and overall control of each part of the key phone system so as to provide various services to a user, basic call and various functions A memory unit 2 for storing the program and initial service data of the central processing unit 1 for performing the processing and temporarily storing the processing data of the central processing unit 1, and under the control of the central processing unit 1 A switching circuit 11 for switching tone and voice data, and a control line of the central processing unit 1, to seize the trunk line to form a trunk line call loop, and to generate a signal between the trunk line and the switching circuit 11. Under the control of the spherical connection circuit 7 for interfacing and the central processing unit 1, a voice current is supplied to the subscriber subscriber telephone, and at the same time, a signal between the telephone and the switching circuit 11 is read. A general telephone connection circuit 3 for interface, a ring generator 4 for generating a ring signal and supplying it to a subscriber line, a multi-button telephone (not shown) and various kinds under the control of the central processing unit 1; A multi-bit telephone circuit (5) for transmitting and receiving data, selecting and connecting a station and trunk line to a multi-button telephone, supplying power to the multi-button telephone, and interfacing signals between the multi-button telephone and the switching circuit (11); Under the control of the device 1, the tone generator 6 which generates various tone signals and outputs them to the switching circuit 11, and the MFC signals connected to the switching circuit 11 and generated from a general telephone, are analyzed. A DTMF receiver 8 for applying a signal to the central processing unit 1, a DTMF transmitter 9 for generating an MFC signal and applying it to the switching circuit 11 under the control of the central processing unit 1, and the central processing unit. Made of device 1 Under the control of the central processing unit (1) is provided with a voice recognition device 10 for storing the voice data through the switching circuit 11 and supplying the voice recognition side to the central processing unit (1) An internal call and trunk line calling device using a voice recognition device in a key phone system, characterized in that the voice recognition device is configured to automatically realize the extension call and the trunk line call for a multifunctional service such as a trunk line and an internal call. 4. The speech recognition apparatus (10) according to claim 3, wherein the speech recognition apparatus (10) changes in parallel the speech data input from the switching circuit section (11) via the highway receiving end (HWRx) in parallel, and stores it for later use as speech recognition reference data. On request, digital data for comparing the voice data input from the highway receiving end (HWRx) of the switching circuit with the voice data stored in the memory and applying the voice recognition result to the CPU 1 via a latch 50 to be described later. The signal processor 20, a memory unit 30 for storing voice data input from the highway receiving end HWRx for voice memory and later using the voice recognition data, a frame sync signal FS, and a 2,048 MHz clock. And a time division circuit unit 40 for allocating a time slot for serial voice data applied to the DSP 20 by an address signal and a control signal of the CPU 1. When the DSP 20 transmits / receives data to / from the CPU 1, the latch is enabled by the DSP 20 and the DSP 20 stores or compares voice data in the memory unit 30. The central processing unit 1 is used to exchange data with the address logic unit 60 and the central processing unit 1 and the DSP 20 that generate a memory enable signal when the memory is accessed. ), The voice recording command, the voice recognition command message, etc. are mainly provided to the DSP 20, and the DSP 20 is mainly formed of a latch 50 for returning the recording result and the voice recognition result message to the central processing unit 1. An internal call and trunk line calling device using a voice recognition device in a key phone system, characterized in that.