JP4310747B2 - Telephone equipment - Google Patents

Description

  The present invention relates to a telephone device, and more particularly to a telephone device that detects, records and alerts a telephone call from a fraudster.

  Conventionally, various methods for repelling an unpleasant phone call that is not desired by a telephone user, such as a silent phone or a mischievous phone, have been proposed. There is a method of rejecting an incoming call from a non-notified telephone using the number notification. When the number is notified, the number can be stored and the second and subsequent incoming calls can be rejected. In the case of a mischievous phone, there is a method of recording and returning it immediately. Below are some examples of prior art on how to block malicious calls.

  The "communication device with malicious incoming call rejection function" disclosed in Patent Document 1 prevents continuous malicious calls from the same source. As shown in FIG. 7A, the telephone number of the other party of the malicious telephone is stored in the malicious telephone number storage unit. The telephone number comparison unit compares the other party's telephone number at the time of incoming call with the telephone number registered in the malicious telephone number storage unit, and determines whether to accept the incoming call or reject the incoming call.

The “voice storage device” disclosed in Patent Document 2 automatically determines whether or not a voice message message is a malicious call, and automatically deletes the voice message message when the message is a malicious call. . As shown in FIG.7 (b), the message message by the voice from a sender | caller is recorded on a message message memory | storage part. Simultaneously with the recording of the voice message, the voice of the message message is converted into text data by the voice recognition unit. The converted text data is temporarily stored in the text storage unit. A word or a word assumed as a malicious call is registered in advance in the malicious call determination keyword storage unit. The words or words stored in the malicious call determination keyword storage unit are compared with the text data of the message message in the text storage unit. When the malicious call determination keyword (NG word) is included, the message message is deleted.
JP 07-235979 A Japanese Patent Laid-Open No. 11-74972

  However, the conventional telephone apparatus has the following problems. Recently, in addition to mischievous telephone calls that make the other party uncomfortable, telephones intended for fraud are also increasing. If the message message is deleted when it is determined that a specific word is included, there is a problem that it is impossible to hear a call with a fraudster or leave it as evidence.

  SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described conventional problems and to enable a telephone device to record a call content with a fraudster.

In order to solve the above problems, in the present invention, the telephone device comprises a keyword memory for storing a plurality of keywords in a text format in advance, and a recording means for recording a call in a buffer memory when a call is started. a speech recognition means for converting the voice of the other party to a string, and comparing means for comparing said keyword with the character string, and matching counter for counting the number of coincidences between the character string and the keyword, a plurality of keywords A means for determining that the call is from a fraudster if the two match , a means for disabling the call recording at the end of the call if it cannot be determined that the call is from a fraudster until the end of the call, and a fraudster If it is determined that the call is from a phone, a means for calling a pre-registered report destination and a method for notifying the report destination that a call has been received from a fraudster When was the recorded contents of a call from the beginning a configuration and means for transmitting to the report destination to play.

By the structure described above, it is determined that the call from fraudsters records the passing talking contents can be sent to the report destination registered in advance the call contents.

  Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to FIGS.

  In the first embodiment of the present invention, a plurality of keywords are stored in a text format in advance, call recording is started when an incoming call is received, the voice of the other party is converted into a character string and compared with the keywords, and the keywords match. In this case, the telephone device determines that the call is from a fraudster, warns with a lamp, and saves the call recording.

  FIG. 1 is a functional block diagram showing the configuration of the telephone device according to the first embodiment of the present invention. In FIG. 1, a call circuit 1 is a circuit portion for basic phone calls. The voice buffer memory 2 is a temporary memory for recording the call contents. The voice recognition means 3 is means for converting the voice of the other party into a character string. The keyword memory 4 is a memory in which a plurality of keywords for determining as a fraudster are recorded in a text format in advance. The comparison means 5 is a means for comparing the keyword and the content of the call voice. The match counter 6 is a counter that counts the number of matches for each keyword. The determination means 7 is a means for determining that a plurality of keywords are scammers if there is a match. The warning means 8 is means for blinking the lamp. The audio storage unit 9 is a non-volatile memory that records the contents of the audio buffer memory 2, for example, an HDD or a flash memory. The call history memory 10 is a memory that records that the call is from a fraudster. The call recording / reproducing means 11 is means for reproducing the recorded contents from the beginning. The operation unit 12 is operation means for instructing reproduction. FIG. 2 is a flowchart showing an operation procedure of the telephone device.

  The function and operation of the telephone device according to the first embodiment of the present invention configured as described above will be described. First, an outline of functions of the telephone device will be described with reference to FIG. In advance, keywords are stored in the keyword memory 4 in a text format. The keywords include “Zico”, “Kouzabango”, “Baishokin”, “Nyuin”, “Zidan”, “Keisatsu”, “Bengoshi”, and the like. When a call is started when a call is received, call recording is automatically started. Converts the other party's voice into a character string. A fraudulent call is detected by comparing a keyword stored in a text format in advance with the converted character string. If multiple keywords match, it is determined that the call is from a fraudster. The keyword may be weighted and determined to be a fraudster when the threshold is exceeded.

  When it is determined that the call is from a fraudster, the lamp blinks during the call to inform the caller and others around him. If the phone is provided with an earphone jack and the earphone is connected to perform a predetermined operation, the recorded content during the call can be heard from the beginning. When the call ends, save the call recording. Record in the call history so that it is a fraudulent call. If it cannot be determined that the call is from a fraudster until the end of the call, call recording is disabled at the end of the call.

  The operation procedure will be described with reference to FIG. The keywords are stored in advance in text format. In step 1, the voice of the other party is converted into a character string by voice recognition means. In step 2, the character string obtained by converting the voice is compared with the registered keyword. If they do not match, return to Step 1. If they match, it is determined in step 3 whether or not the scammers are based on whether or not a plurality of keywords match. If it cannot be determined as a fraudster, it is determined in step 4 whether or not the call is over. If not finished, return to Step 1. If the talk is over, in step 5, the voice is invalidated and the process ends.

  If it is determined to be a fraudster, a warning is made in step 6 that the call is from a fraudster. In step 7, it is checked whether or not an operation for reproducing the call recording has been performed. If a playback operation has been performed, call recording / playback processing is executed in step 8. If the reproduction operation has not been performed, the process waits until the end of the talk in step 9. When the talk is over, the recorded content in the voice buffer memory 2 is saved in the voice saving means 9 in step 10. In step 11, the call history is registered.

  As described above, in the first embodiment of the present invention, the telephone device stores a plurality of keywords in a text format in advance, starts recording a call when an incoming call is received, converts the voice of the other party into a character string, and generates a keyword. Compared to the above, when multiple keywords match, it is determined that the call is from a fraudster, and a warning is given with a lamp and the call recording is saved, so the call record with the fraudster can be kept. . In the above configuration, it is selected whether the contents of the call recorded in the voice buffer memory 2 are invalidated at the end of the call or stored in the voice storage means 9, but the contents of the call are directly stored in the voice storage means. It may be configured to record to 9 and select whether to invalidate or leave it at the end of the talk.

  In the second embodiment of the present invention, a plurality of keywords are stored in a text format in advance, call recording is started in response to the start of a call when an incoming call is received, the voice of the other party is converted into a character string, and compared with the keyword. If multiple keywords match, it is determined that the call is from a fraudster, flashes the lamp to notify the caller and others around it, and the recorded content during the call is changed from the beginning according to the operation from another handset. It is a telephone device that reproduces and outputs it to the handset.

  FIG. 3 is a functional block diagram showing the configuration of the telephone device according to the second embodiment of the present invention. The basic configuration of the telephone device in the second embodiment is the same as that in the first embodiment. The difference from the first embodiment is that the recorded content during a call is reproduced from the beginning and output to the slave unit in response to an operation from another telephone connected to the same private branch exchange. In FIG. 3, the other handset 13 is another button telephone connected to a private branch exchange such as the same key telephone main unit. FIG. 4 is a flowchart showing an operation procedure of the telephone device.

  The function and operation of the telephone device according to the second embodiment of the present invention configured as described above will be described. The outline of the function of the telephone device will be described with reference to FIG. The place where it is determined that the call is from a fraudster is the same as in the first embodiment. When it is determined that the call is from a fraudster, the lamp blinks to inform the caller and others around him. The recorded content during a call can be heard from the beginning by operating from another handset of the key telephone device. When the call ends, save the call recording. Record in the call history so that it is a fraudulent call. If it cannot be determined that the call is from a fraudster until the end of the call, call recording is disabled at the end of the call.

  The operation procedure will be described with reference to FIG. The process up to the point of warning that the call is from a fraudster when it is determined to be a fraudster is the same as in the first embodiment. In step 12, it is checked whether or not a reproduction request is received from another slave unit. If so, in step 13, call recording / playback processing is executed. Otherwise, in step 9, wait until the end of the story. When the talk is over, the recorded content in the voice buffer memory 2 is saved in the voice saving means 9 in step 10. In step 11, the call history is registered.

  As described above, in the second embodiment of the present invention, the telephone device stores a plurality of keywords in a text format in advance, starts call recording in response to the start of the call when an incoming call is received, Compared with keywords, if multiple keywords match, it is determined that the call is from a fraudster, flashes the lamp and informs the caller and others around it, and responds to operations from another handset. Since the recording contents during the call are reproduced from the beginning and output to the slave unit, it is possible to leave a call with the scammers and listen to the recording on another slave unit.

  In the third embodiment of the present invention, a plurality of keywords are stored in a text format in advance, call recording is started in response to the start of a call when an incoming call is received, the voice of the other party is converted into a character string, and compared with the keyword. If multiple keywords match, it is determined that the call is from a fraudster, flashes the lamp to inform the caller and other people around you, and calls the pre-registered caller to receive a call from the fraudster This is a telephone device that reproduces and transmits the recorded content during a call from the beginning.

  FIG. 5 is a functional block diagram illustrating the configuration of the telephone device according to the third embodiment of the present invention. The basic configuration of the telephone device in the third embodiment is the same as that in the first embodiment. If it is determined that the call is from a fraudster, call the pre-registered caller to notify that the call has been received from the fraudster, and play and send the recorded content from the beginning. This is different from the first embodiment. In FIG. 5, the sending means 14 is a means for making a call to a previously registered report destination. The notification means 15 is means for notifying that a call has been received from a fraudster. The other communication line 16 is another telephone line or an IP line. FIG. 6 is a flowchart showing an operation procedure of the telephone device.

  The function and operation of the telephone device according to the third embodiment of the present invention configured as described above will be described. The outline of the function of the telephone device will be described with reference to FIG. The place where it is determined that the call is from a fraudster is the same as in the first embodiment. If it is determined to be a fraudster, a call is made to a pre-registered report destination, and notification is made that a call is received from the fraudster. Then, the recorded content during the call is played back from the beginning and played back to the report destination.

  The operation procedure will be described with reference to FIG. The process up to the point of warning that the call is from a fraudster when it is determined to be a fraudster is the same as in the first embodiment. In step 14, a call is made to a previously registered report destination. In step 15, it is notified that a call has been received from a fraudster. In step 16, the call recording is played back and transmitted. In step 9, wait until the end of the talk. When the talk is over, the recorded content in the voice buffer memory 2 is saved in the voice saving means 9 in step 10. In step 11, the call history is registered.

  As described above, in the third embodiment of the present invention, the telephone device stores a plurality of keywords in a text format in advance, starts call recording in response to the start of the call when an incoming call is received, and the other party's voice is a character string. Compared with keywords, if multiple keywords match, it is determined that the call is from a fraudster, flashes the lamp to inform the caller and others, and calls the pre-registered caller Because it is configured to notify the incoming call from the scammers and play and send the recorded content during the call from the beginning, you can leave a call with the scammers and record the call to the reporter Can also be sent.

  The telephone of the present invention is most suitable as a telephone for recording and notifying that it is a telephone from a fraudster. It can also be applied to malicious calls other than fraudsters.

It is a functional block diagram which shows the structure of the telephone apparatus in Example 1 of this invention. It is a flowchart which shows the operation | movement procedure of the telephone apparatus in Example 1 of this invention. It is a functional block diagram which shows the structure of the telephone apparatus in Example 2 of this invention. It is a flowchart which shows the operation | movement procedure of the telephone apparatus in Example 2 of this invention. It is a functional block diagram which shows the structure of the telephone apparatus in Example 3 of this invention. It is a flowchart which shows the operation | movement procedure of the telephone apparatus in Example 3 of this invention. It is a functional block diagram which shows the structure of the conventional telephone apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Call circuit, 2 ... Voice buffer memory, 3 ... Voice recognition means, 4 ... Keyword memory, 5 ... Comparison means, 6 ... Match counter, 7 ... Determination means , 8 ... Warning means, 9 ... Voice storage means, 10 ... Call history memory, 11 ... Call recording / playback means, 12 ... Operation unit, 13 ... Other slave units, 14 ... Transmission means, 15 ... Notification means, 16 ... Other communication lines.

Claims (1)

A keyword memory for storing a plurality of keywords in a text format in advance, a recording means for recording a call in a buffer memory in response to the start of a call when an incoming call is received, a voice recognition means for converting the voice of the other party to a character string, A comparison means for comparing a keyword with the character string, a match counter for counting the number of matches between the keyword and the character string, a determination means for determining a call from a fraudster when a plurality of keywords match, If it is not possible to determine that the call is from a fraudster until the end of the call, the means for disabling the call recording at the end of the call and the notification registered in advance if it is determined that the call is from the fraudster Means for making a phone call first, means for notifying the reporter that a call has been received from a fraudster, and reproducing the recorded content during the call from the beginning to the report destination. Telephone apparatus characterized by comprising a means for signal.

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