JP2002033796A - Transmitting telephone equipment, receiving telephone equipment, telephone system and confidential call method for telephone equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide telephone equipment, capable of making a confidential call, with which a caller can designate and call a specified party (callee). SOLUTION: Callee fingerprint data, stored in an incoming history storage means 8 of transmitting telephone equipment 1a, are transmitted from a transmitting means 3 to receiving telephone equipment 1b, and when the callee is confirmed in the receiving telephone equipment 1b by using the transmitted fingerprint data, a call between the transmitting telephone equipment 1a and the receiving telephone equipment 1b is enabled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone apparatus which enables a confidential call in which a specific person is designated and only the designated person can receive and talk.

[0002]

2. Description of the Related Art One embodiment of a conventional telephone device will be described below with reference to FIG. FIG. 9 is a functional block diagram showing a conventional telephone device. In FIG. 9, in this telephone device, communication between a calling telephone device 31a and a receiving telephone device 31b is performed using a telephone line 37. Numeral 32 is a numeric keypad for inputting the telephone number of the other party (recipient).
Reference numeral 3 denotes a transmitting unit that performs a transmitting process based on the telephone number input to the ten-key input unit 32. Reference numeral 34 denotes a calling telephone number notifying means for notifying the calling telephone number of notifying the own telephone number to the receiving telephone device 31b of the other party; 35, a self telephone number storing means for storing the own telephone number; Is a communication means provided with a receiver and a transmitter.

[0005] Reference numeral 38 denotes a receiving means for receiving a call from the calling telephone device 31a, and notifies the outside of the incoming call by voice such as ringing. 39 is a caller telephone number display means for displaying the caller's telephone number on a liquid crystal display or the like based on the caller number notification from the caller telephone device 31a;
Is a call start means for starting a call by pressing a call button or lifting a hook, and 41 is an incoming call history storage means for storing a history of incoming caller telephone numbers.

Next, the operation of the conventional telephone device configured as described above will be described. The caller inputs the telephone number of the other party (recipient) of the callee using the numeric keypad input means 32, and the caller 33 receives the telephone line 3 based on the input telephone number.
Outgoing via 7. At the same time, outgoing telephone number notification means 3
4 retrieves its own telephone number from the own telephone number storage means 35 and notifies the receiving telephone apparatus 31b of the telephone number from the transmitting means 33 as the transmitting telephone number. When there is an incoming call from the transmitting means 33 via the telephone line 37 to the receiving means 38 of the receiving telephone device 31b, the receiving means 38 informs the outside that there is an incoming call with a ring tone. Also, the calling party telephone number display means 39
Displays the calling party telephone number on the liquid crystal display or the like of the receiving telephone device 31b. The receiver confirms who is calling from the liquid crystal display, and calls means 40 such as a call button.
To start a call.

[0005] The caller and the receiver communicate with each other using the communication means 36 of both telephone devices 31a and 31b. The incoming call history storage means 4 of the receiver telephone device 31b.
Reference numeral 1 stores, as a history, the date and time of the incoming call, the incoming call state such as during a call, and the like together with the caller telephone number.

[0006]

However, in the above-described telephone apparatus, when a plurality of telephone apparatuses are used on the receiving side, the caller designates a specific party (recipient) to call. I couldn't make a confidential call. In addition, when a plurality of telephone devices are used on the calling side, the receiver cannot determine who made the call only by notifying the calling telephone number.

The present invention has been made in order to solve such a problem, and a caller can make a confidential call in which a specific destination (recipient) is designated and called out. It is an object of the present invention to provide a telephone device capable of specifying, on a personal level, who has made a call, even if the receiver is used.

[0008]

SUMMARY OF THE INVENTION The present invention comprises a storage means for storing biometric data relating to a specific recipient, and a transmitting means for transmitting the biometric data to a receiving telephone device. When the recipient of the biometric data is confirmed, it is possible to talk with the receiving telephone device.

Further, the present invention is provided with a fetching means for creating biometric data from the biometric characteristics of the sender, and transmits the created biometric data to a receiving telephone device.

[0010] The present invention also provides a receiving means for receiving biometric data of a specific recipient transmitted from a calling telephone device;
Display means for displaying the recipient name of the recipient based on the biometric data of the specific recipient; capturing means for creating biometric data from the biometric characteristics of the specific recipient; Verification means for verifying the obtained biometric data and the biometric data received by the reception means, and making a call with the outgoing telephone device based on the verification result.

Further, according to the present invention, the display means displays a caller name of the caller based on caller data concerning the caller transmitted from the calling telephone device.

Further, in the present invention, the receiving means includes a storage means for receiving biometric data of the caller transmitted from the calling telephone device and storing the received biometric data of the caller.

In the present invention, the biometric feature is a fingerprint, and the biometric data is fingerprint data.

In a telephone system for performing communication between an originating telephone device and a receiving telephone device, the originating telephone device has storage means for storing biometric data relating to a specific recipient;
Transmitting means for transmitting the biometric data to the receiving-side telephone device, wherein the receiving telephone device receives the biometric data of a specific recipient transmitted from the calling telephone device; and Display means for displaying the recipient name of the recipient based on the recipient's biometric data; capturing means for creating biometric data from the biometric characteristics of the specific recipient; and biometric data created by the capturing means. Matching means for matching the data with the biometric data received by the receiving means.

Storing biometric data relating to a specific recipient, transmitting the biometric data to a receiving telephone device, and receiving biometric data of the specific recipient transmitted from the calling telephone device; Displaying the recipient name of the recipient on the receiving telephone device based on the particular recipient's biometric data; creating biometric data from the biometric characteristics of the particular recipient; Collating the biometric data created by the means and the biometric data received by the receiving means,
It has.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a telephone device according to the present invention will be described with reference to FIG. FIG. 1 is a functional block diagram showing a telephone device according to Embodiment 1 of the present invention. Hereinafter, in the present embodiment, a description will be given of a case where a call between the calling telephone device 1a and the receiving telephone device 1b is performed via the telephone line 11. In FIG. 1, reference numeral 2 denotes a ten-key input unit for inputting the telephone number of the other party (recipient);
Is a transmitting means for performing a transmitting process based on the telephone number input to the ten key input means 2. Reference numeral 4 denotes confidential call information notifying means for notifying confidential call information necessary for confidential call for designating and calling a specific partner (recipient) to the receiving telephone device 1b via the transmitting means 3. The confidential call information includes a receiver name, receiver fingerprint data, a sender name, sender fingerprint data, and the like.

5 is a fingerprint data capturing means for capturing fingerprint data, 6 is a sender fingerprint data storing means for storing the fingerprint data captured by the fingerprint data capturing means 5 together with the sender's name, and 7 is a sender fingerprint data storing means. 6 is a fingerprint matching means for confirming that any one of the fingerprint data stored in advance and the fingerprint data taken in at the time of transmission is coincident. Reference numeral 8 denotes an incoming call history storing means for storing the other party's name and the other party's fingerprint data from the incoming call history, and 9 retrieves the other party's (receiver) name stored in the incoming call history storing means 8 and calls the other party (receiver). Is a communication means provided with a receiver and a transmitter. That is, the calling telephone device 1a
The ten key input means 2, the transmitting means 3, the confidential call information notifying means 4, the fingerprint data capturing means 5, the sender fingerprint data storing means 6, the fingerprint collating means 7, the incoming call history storing means 8, It comprises a partner selecting means 9 and a calling means 10.

Reference numeral 12 denotes a receiving means for receiving the transmission from the transmitting means 3 of the transmitting telephone apparatus 1a, and notifies the outside of the incoming by voice such as ringing. Reference numeral 13 denotes a confidential call information receiving unit that receives confidential call information transmitted from the confidential call information notifying unit 4 of the calling telephone device 1a, and reference numeral 14 denotes a confidential call information transmitted to the receiving unit 12 regarding a caller and a receiver. Call partner display means for displaying information on a liquid crystal display or the like, 1
Reference numeral 5 denotes a fingerprint collating unit for confirming whether or not the transmitted recipient fingerprint data matches the fingerprint data of the recipient actually received and captured by the fingerprint data capturing unit 5. here,
The confidential call information received by the confidential call information receiving means 13 is
The incoming call history is stored in the incoming call history storage unit 16.

In this embodiment, for convenience of explanation, the outgoing telephone device 1a is described by a block for a transmitting function and the receiving telephone device 1b is described by a block for a receiving function. The device is a calling telephone device 1a
And a receiving function of the receiving telephone device 1b.

Next, the telephone device 1 of the present embodiment shown in FIG.
The H / W configuration of a and 1b will be described with reference to FIG.
FIG. 2 shows the H / W of the telephone device according to Embodiment 1 of the present invention.
FIG. 3 is a diagram illustrating a configuration. In FIG. 2, a fingerprint sensor 17 for capturing a finger image of a caller is connected to an I / O circuit 19 via an A / D converter 18. The fingerprint sensor 17 and the A / D converter 18 constitute the fingerprint data capturing means 5 shown in FIG. Similarly, the I / O circuit 19 is connected to the ten-key input means 2, a liquid crystal display 20 for displaying a caller's name for guidance, an incoming call buzzer 21 for making a telephone call, and a timer 22 for referring to the date and time of the incoming call history. The liquid crystal display 20 is shown in FIG.
1 forms a part of the call partner selection means 9 and the call partner display means 14 shown in FIG.
Part of Part 2.

The I / O circuit 19 is connected to a CPU 23 which performs data communication control and collation processing.
3 is connected to a memory 24 which is backed up by a power source for storing incoming call history, sender's fingerprint data and the like.
The CPU 23 includes the fingerprint matching means 7 and 15, the confidential call information notifying means 4, the confidential call information receiving means 13, the transmitting means 3 and the receiving means 12 shown in FIG. The memory 24 is mainly composed of the incoming call history storage units 8 and 16 and the sender fingerprint data storage unit 6 shown in FIG.

Further, in order to perform data communication of the confidential call information between the telephone devices, the CPU 23 is provided with the serial I / O circuit 2.
5. Connected to the telephone line 11 via the modem circuit 26. The serial I / O circuit 25 and the modem circuit 26 constitute a part of the transmitting means 3 and the receiving means 12 shown in FIG. Further, the telephone line 11 is connected to a communication circuit 28 for communication with a communication switch 27 for switching a communication state under the control of the I / O circuit 19 interposed therebetween. The user of the telephone device 1a, 1b
A call is made using the receiver 29 and the transmitter 30 connected to the communication device 8. The communication switch 27, the communication circuit 28, the receiver 29, and the transmitter 30 constitute the communication means 10 shown in FIG.

Here, the ten key input means 2, the fingerprint sensor 17, the liquid crystal display 20, the incoming buzzer 21, the receiver 29, and the transmitter 30 are arranged outside the telephone devices 1a, 1b. Also, the A / D converter 18 and the I / O
Circuit 19, timer 22, CPU 23, memory 24, serial I / O circuit 25, modem circuit 26, and call switch 2.
7 and the communication circuit 28 are provided inside the telephone devices 1a and 1b.

Next, a communication procedure (sequence) between the transmitting telephone apparatus 1a and the receiving telephone apparatus 1b of the present embodiment shown in FIG. 1 will be described with reference to FIG. FIG. 3 is a diagram illustrating a communication procedure between telephone devices according to Embodiment 1 of the present invention. The caller transmits "call notification" data from the calling telephone device 1a to the receiving telephone device 1b by inputting a telephone number for a call of the other party (recipient). If the "outgoing call notification" data is received and not busy, the receiving telephone device 1b returns the "incoming call notification" data that can be received, and notifies the outside of the incoming call by voice such as ringing. If confidential is specified by the calling telephone device 1a, "confidential call information"
The data is transmitted to the receiving telephone device 1b, and "confidential call information" data such as the name of the caller and the name of the recipient are displayed on the liquid crystal display 20 of the receiving telephone device 1b.

Then, the receiver checks the fingerprint to confirm that the sender is the specified partner. If the result of the confirmation is that the fingerprint collation does not match, "confidential call rejection" data is returned to the calling telephone device 1a to terminate the communication. If the result of the check is that the fingerprint matches, the "confidential call start" data is returned to the calling telephone device 1a to start a call with each other. To end the call, the call is ended by transmitting "disconnect instruction" data from either the caller or the receiver. Note that after either one of the sender and the receiver transmits the “disconnect instruction” data, the other party may transmit the “disconnect confirmation” data to end the call.

Next, the transmitting telephone device 1a and the receiving telephone device 1
The contents of the confidential call information transmitted by the calling telephone device 1a in the communication procedure with the caller b will be described with reference to FIG. FIG. 4 is a diagram showing the contents of confidential call information. FIG.
As shown in (1), the confidential call information is composed of information about a caller and information about a receiver. That is,
Reception telephone number (D-tel), recipient name (D-nam)
e) Recipient fingerprint data (D-data) is information about the recipient specified by the sender. Also,
Calling phone number (S-tel), caller name (S-nam)
e), sender fingerprint data (S-data) is information about the sender.

Next, the data contents of the incoming call history stored in the incoming call history storage means 8 and 16 will be described with reference to FIG. FIG. 5 is a diagram showing the contents of incoming call history data stored in the incoming call history storage means. As shown in FIG. 5, the incoming call history data includes an incoming date and time (date), a caller ID (I
D), incoming call state (STS). Each time there is an incoming call, the incoming call date and time (date) and the caller ID (I
D), incoming state (STS) folds are assigned and added sequentially. Next, the data contents of the caller list stored in the incoming call history storage means 8 will be described with reference to FIG. FIG. 6 is a diagram showing the contents of the data of the caller list stored in the incoming call history storage means 8. Incoming call history storage means 8
Stores the list data for each caller in addition to the incoming call history data so that data on the caller can be easily retrieved when the caller (recipient) is specified by the caller selecting means 9. . In the data record of each caller, a caller ID (ID), a caller name (name), fingerprint data (data), and a fold of a telephone number (tel) are assigned, and a call from a new caller is received. Each time it is added, it is stored. This caller data is used as confidential call information of the receiver at the time of confidential call.

Next, the operation of the calling telephone apparatus according to the present embodiment configured as described above will be described with reference to the flow chart of FIG. When a confidential call is desired, the caller inputs the receiver (the other party) to the ten-key input means 2 of the calling telephone device 1a.
Is entered (step 101), and a confidential call is designated by a confidential call switch or the like provided on the ten-key input means 2 (YES in step 102). Hereinafter, “step” is abbreviated as “S”. If the caller does not specify a confidential call (NO in S102), the normal call mode is set (S103), and a normal call is made.

When the confidential call is designated (YES in S102), the fingerprint data capturing means 5 captures the finger image (fingerprint data) of the caller (S104). The fingerprint matching means 7 checks whether the captured fingerprint data matches any of the fingerprint data stored in the sender fingerprint data storage means 6 in advance (S105). Fingerprint collation means 7
However, if the matching result of the fingerprint data matches (S10
5), a confidential call partner (receiver) is selected from the caller list data displayed on the liquid crystal display 20 (S106). When a specific recipient is selected, the call partner selection means 9 based on the caller ID of the selected recipient, receives the telephone number (D-D-D) of the caller list data stored in the incoming call history storage means 8. tel), recipient name (D-
name) and receiver fingerprint data (D-data) are extracted (S107). The confidential call information notifying unit 4 creates confidential call information by adding information of the caller to information of the selected recipient (S108).

Then, the transmitting means 3 transmits the "outgoing notification" data (S109), and waits for the "incoming notification" data from the other party's receiving telephone device 1b for a predetermined time. When the transmitting means 3 receives the "incoming notification" data within a predetermined time (S11
0 (YES), confidential call information notifying means 4 transmits confidential call information (S111). Thereafter, when the transmitting means 3 receives the “confidential call approval” data from the receiving telephone device 1b,
The call switch 27 is turned on to enter a call state (S11).
3). If a caller issues a disconnect command during a call,
The "disconnect instruction" data is notified to the other party (recipient), and the call is terminated (S115).

Next, the operation of the receiving telephone apparatus according to this embodiment configured as described above will be described with reference to the flow chart of FIG. The receiving telephone device 1b is connected to the telephone line 11, and continues to monitor whether or not "call notification" data has been received. When the receiving means 12 receives the "outgoing notification" data (YES in S201), the receiving means 12 sounds (ringing) the incoming buzzer 21 and transmits the "incoming notification" data to the calling telephone device 1a (S202).

Next, the confidential call information receiving means 13 confirms whether or not "confidential call information" has been received (S20).
3). If the confidential call information has not been received (S203
NO), the normal call mode is set (S204), and a normal call is made. If the confidential call information receiving means 13 has received the confidential call information (YES in S203),
Received telephone number (D-tel), recipient name (D-name), and recipient fingerprint data (D-d) of the confidential call information
data) (S205), and the caller display means 14
Receiver name (D-name) on the liquid crystal display 20
Is displayed (S206). In some cases, the recipient name (D
In addition to -name), the name of the sender (S-name) can be displayed on the liquid crystal display 20. As a result, the receiver can accurately determine who the call is from, and can respond to the call with confidence.

Then, the fingerprint collating means 15 fetches the actually received recipient's finger image (fingerprint data) (S20).
7) It is checked whether or not the fingerprint data matches the recipient fingerprint data fetched from the confidential call information receiving means 13 (S208). If the collation results do not match, including when the receiver specified by the sender is not present (S20
8), the receiving means 12 transmits "confidential call rejection" data to the calling telephone device 1a and disconnects the line (S21).
0).

If the collation results match (Y in S208)
ES), the receiving means 12 transmits the "confidential call approval" data to the calling telephone device 1a (S211), and the call switch 2
7 is turned on to make a call (S212). If there is a disconnection instruction during the call state, the other party (sender) is notified of the "disconnection instruction" data and the call is terminated (S214).

When the call ends, the incoming call history storage means 16
Captures the sender information of the confidential call information (S215),
It is checked whether or not there is data of the same person as the caller who has received the call from among the caller information in the caller list data already stored (S216). If there is no data of the same person as the caller (NO in S216), the caller list data includes the caller's telephone number (tel), name (name), and fingerprint data (data) under the new caller ID. Add (S
217). Therefore, conversely, when receiving a confidential call from the receiving telephone device 1b to the calling telephone device 1a, it can be used as the data of the recipient of the confidential call information. Thereafter, the caller ID and the current date and time of the caller are taken in, the date (Date), the caller ID (ID), and the incoming call state (STS) are created and stored in the incoming call history data (S219).

With the above-described configuration and operation, when a plurality of persons use the receiving telephone apparatus 1b, the caller of the transmitting telephone apparatus 1a receives a confidential incoming call by designating a specific receiver. The user can make a call to only the designated recipient. Therefore, the privacy of an individual can be protected without letting others know who the call is from. In addition, since the fingerprint data of the caller is transmitted to the receiving telephone device 1b together with the name of the caller, it is possible to accurately determine who the call is from, and the receiver can respond to the call with peace of mind.

Further, by specifying a recipient by confidential incoming call, a person other than the recipient cannot answer the call, so that the trouble of the person other than the designated recipient taking over the call can be saved. Furthermore, the personal information and fingerprint data of the other party, which is the data specifying the individual who made the call, can be recorded in the incoming call history. And fingerprint data can be used as destination data.

In the present embodiment, the fingerprint collation means is used as means for confirming the other party of the call, but means using other personal identification techniques, palm shape (pattern of palm), iris, voiceprint, etc. It may be possible to use the biological characteristics of human beings.
At that time, the fingerprint data is replaced with the biometric data as the respective biometric feature data.

[0039]

As is apparent from the above invention, the calling telephone apparatus according to the present invention allows a caller to make a confidential call in which a specific receiver is designated and called out, and only the specified receiver can be called. It is possible to make a call to the user.

Further, since the calling telephone device according to the present invention transmits the biometric data of the caller, it is possible to accurately determine from whom the call is made, and the receiver can respond to the call with peace of mind. it can.

Further, the receiving telephone apparatus according to the present invention can perform a confidential call in which a specific recipient is designated and called, and only the designated recipient can talk.

Further, since the receiving telephone apparatus according to the present invention displays data relating to the caller, it is possible to accurately determine who is calling, and the receiver can respond to the telephone call with peace of mind. .

Further, the receiving telephone device according to the present invention can use the stored sender's biometric data at the next call from the receiving telephone device.

Further, the telephone device according to the present invention can specify an individual by using a reliable personal identification technique called a fingerprint.

Further, in the telephone system according to the present invention, the caller can make a confidential call for calling by designating a specific receiver, and can talk only to the specified receiver.

Further, the confidential notification method of the telephone device according to the present invention enables a caller to make a confidential call for calling by designating a specific recipient, and to make a call only to the designated recipient. Become.

[Brief description of the drawings]

FIG. 1 is a functional block diagram showing a configuration of a telephone device according to a first embodiment of the present invention.

FIG. 2 is a diagram showing an H / W configuration of the telephone device according to the first embodiment of the present invention.

FIG. 3 is a diagram showing a communication procedure (sequence) between the telephone devices according to the first embodiment of the present invention.

FIG. 4 is a diagram showing the contents of confidential call information transmitted to the receiving telephone device according to the first embodiment of the present invention.

FIG. 5 is a diagram showing data contents of an incoming call history stored in an incoming call history storage unit of the telephone device according to the first embodiment of the present invention.

FIG. 6 is a diagram showing data contents of a caller list stored in an incoming call history storage unit of the telephone device according to the first embodiment of the present invention.

FIG. 7 is a diagram showing an operation flow of the calling telephone device according to the first embodiment of the present invention.

FIG. 8 is a diagram showing an operation flow of the receiving telephone device according to the first embodiment of the present invention.

FIG. 9 is a functional block diagram showing a configuration of a conventional telephone device.

[Explanation of symbols]

1a, 31a originating telephone device, 1b, 31b receiving telephone device, 2, 32 numeric keypad inputting device, 3, 33 transmitting device, 4 confidential call information notifying device, 5 sender fingerprint data capturing device, 6 sender fingerprint data storing device,
7 Fingerprint collation means, 8, 16, 41 Incoming call history storage means, 9 Call partner selection means, 10, 36 Call means, 11, 37 Telephone line, 12, 38 Receiving means, 13 Confidential call information receiving means, 14 Call partner display Means, 15 fingerprint matching means, 17 fingerprint sensor,
18 A / D converter, 19 I / O circuit, 20
LCD display, 21 ringing buzzer, 22 timer, 23 CPU, 24 memory, 25 serial I / O circuit, 26 modem circuit, 27 talk switch, 28 talk circuit, 29 receiver, 30
Transmitter, 34 calling telephone number notifying means, 35 own telephone number storing means, 39 calling party telephone number displaying means, 40 calling start means.

Claims (8)

[Claims] 1. A storage device for storing biometric data relating to a specific recipient, and a transmitting unit for transmitting the biometric data to a receiving telephone device, wherein the receiving telephone device identifies the recipient of the biometric data. Then, the calling telephone device can communicate with the receiving telephone device. 2. The transmitting telephone device according to claim 1, further comprising an input unit for generating biometric data from the biological characteristics of the caller, and transmitting the generated biometric data to a receiving telephone device. 3. A receiving means for receiving biometric data of a specific recipient transmitted from a calling telephone device, and a display means for displaying a recipient name of the recipient based on the biometric data of the specific recipient. And, capturing means for creating biometric data from the biological characteristics of the specific recipient, and matching means for comparing the biometric data created by the capturing means and the biometric data received by the receiving means, A receiving telephone device, which is capable of talking with the calling telephone device based on the result of the collation. 4. The display device according to claim 3, wherein said display means displays a caller name of said caller based on caller data concerning a caller transmitted from said calling telephone device.
3. The receiving telephone device according to claim 1. 5. The apparatus according to claim 3, wherein said receiving means includes a storage means for receiving biometric data of a caller transmitted from a calling telephone device and storing the received biometric data of the caller. The receiving telephone device according to the above. 6. The biometric feature is a fingerprint, and the biometric data is fingerprint data.
6. The telephone device according to 5. 7. A telephone system for communicating between a calling telephone device and a receiving telephone device, wherein the calling telephone device comprises:
Storage means for storing biometric data relating to a specific recipient; and transmitting means for transmitting the biometric data to the receiving-side telephone device, wherein the receiving telephone device receives a specific reception transmitted from the calling telephone device. Receiving means for receiving the biometric data of the recipient, display means for displaying the recipient name of the recipient based on the biometric data of the specific recipient, and biometric data from the biometric characteristics of the specific recipient A telephone system, comprising: a capturing unit to be created; and a matching unit that matches the biometric data created by the capturing unit with the biometric data received by the receiving unit. 8. A step of storing biometric data relating to a specific recipient, a step of transmitting the biometric data to a receiving telephone device, and a step of receiving biometric data of a specific recipient transmitted from a calling telephone device. And displaying the recipient name of the recipient on the receiving telephone device based on the particular recipient's biometric data, and creating biometric data from the particular recipient's biometric features, Collating the biometric data created by the capturing means and the biometric data received by the receiving means,
A confidential communication method for a telephone device, comprising: