JP7069933B2 - Communication system, communication terminal, communication program and communication method - Google Patents

Description

The present invention relates to a communication system, a communication terminal, a communication program and a communication method, and particularly to a technique for preventing nuisance calls.

Recently, the number of nuisance calls aimed at malicious acts such as fraud is increasing. Filtering processing is performed as a countermeasure against such nuisance calls. In the filtering process, the telephone numbers used for nuisance calls are registered in the list in advance. Then, the telephone terminal inquires the telephone number of the caller and the telephone number of the list at the time of receiving an incoming call, and if they match, the incoming call is rejected. However, even if the list of nuisance calls is updated daily, it is difficult to cover all the nuisance call numbers, so it is inevitable that the nuisance calls cannot be eliminated by filtering.

There is also a response that only incoming calls from callers registered in the phone book can be answered. However, there are many cases where it is necessary to answer a call even if the call is from a caller who is not registered in the phone book, such as a call from a school, hospital, courier service, or various service providers. When an incoming call is received from an unregistered caller, it is not easy to distinguish between a nuisance call and not, and it is difficult to determine whether it is okay to answer the call.

Here, Patent Document 1 discloses a technique that facilitates a determination as to whether or not to respond to an incoming call by the receiver confirming the sender certificate transmitted from the sender.
Further, in Patent Document 2, by reading the caller information whose validity is guaranteed in order to identify the caller and displaying the read caller information, it is easy to determine whether to answer the incoming call. The technology to be used is disclosed.

International Publication No. 2007/102422 Japanese Unexamined Patent Publication No. 2008-177928

According to the related techniques described in Patent Documents 1 and 2, it is possible to determine whether or not the call is a nuisance call based on more accurate caller information. The process of receiving this has to be repeatedly executed every time an incoming call arrives, and there is a problem that the processing load on the system is large.

The present invention has been made to solve the above-mentioned problems, and to provide a communication system, a communication terminal, a communication program, and a communication method capable of reducing the processing load for countermeasures against nuisance calls. The purpose.

The communication system according to one aspect of the present invention includes a call transmission control unit that controls outgoing call processing, a calling terminal having an identification information storage unit that stores the identity information of the caller, an incoming call control unit that controls incoming call processing, and an incoming call. A communication system including an incoming call terminal having an incoming call history information storage unit for storing history information, wherein the outgoing call control unit of the outgoing call terminal stores the identification information stored in the identification information storage unit during the outgoing call processing. The incoming call control unit of the incoming call terminal stores the identification information received from the outgoing call terminal as the incoming call history information in the incoming call history information storage unit, and the incoming call is newly made from the outgoing call terminal. In this case, when the incoming call from the same calling terminal is included in the incoming call history information, the corresponding identification information is read out.

Further, the communication terminal according to one aspect of the present invention includes a transmission control unit that controls outgoing call processing, an identification information storage unit that stores the identification information of the caller, an incoming call control unit that controls incoming call processing, and incoming call history information. A communication terminal having an incoming call history information storage unit for storing information, and when making a call to another communication terminal, the transmission control unit sends the identification information stored in the identification information storage unit to the destination during the transmission process. When there is a call from another communication terminal, the incoming call control unit stores the identification information received from the sender as the incoming call history information in the incoming call history information storage unit, and makes a new call. When there is a call from the same source and the call from the same source is included in the incoming call history information, the corresponding identification information is read out.

Further, the communication program according to one aspect of the present invention includes a process of transmitting identification information to a destination when making a call to another communication terminal, and a process of sending identification information from the source when making a call from another communication terminal. If the received status information is stored as incoming call history information, and if a call from the same source is included in the incoming call history information when a new call is made from the caller, the identity of the caller is included. It causes a computer to execute a process of reading information.

The communication method according to one aspect of the present invention is a communication method in which a first terminal transmits to a second terminal to perform voice communication, and the first terminal is stored in advance during the transmission process. When the identification information is transmitted to the second terminal, the second terminal stores the identification information received from the first terminal as incoming call history information, and further receives a new transmission. The second terminal notifies the user of the identification information in the incoming call history information when the incoming call from the same source is included in the incoming call history information.

According to the present invention, it is possible to provide a communication system, a communication terminal, a communication program, and a communication method capable of reducing the processing load for countermeasures against nuisance calls.

It is a block diagram which shows the whole structure of the communication system which concerns on Embodiment 1. FIG. It is a block diagram which shows the whole structure of the communication system which concerns on Embodiment 2. It is a hardware block diagram of the communication terminal which concerns on Embodiment 2. FIG. It is a block diagram which shows the database of the communication system which concerns on Embodiment 2. It is explanatory drawing for demonstrating the processing of the communication system which concerns on Embodiment 2. It is explanatory drawing for demonstrating the processing of the communication system which concerns on Embodiment 2. It is explanatory drawing for demonstrating the processing of the communication system which concerns on Embodiment 2. It is a flowchart for demonstrating the process flow of the transmission terminal which concerns on Embodiment 2. It is a flowchart for demonstrating the flow of the process of the receiving terminal which concerns on Embodiment 2. It is a block diagram which shows the whole structure of the communication system which concerns on Embodiment 3. FIG.

Embodiment of the invention 1.
The communication system according to the first embodiment of the invention will be described with reference to the drawings.
FIG. 1 is a block diagram showing the overall configuration of the communication system. As shown in the figure, the communication system 1 includes a transmitting terminal 100 and an incoming terminal 200. Here, the transmission terminal 100 is not limited to a terminal dedicated to transmission, and can be realized by a communication terminal capable of transmitting and receiving. Similarly, the incoming terminal 200 is not limited to a terminal dedicated to incoming calls, and can be realized by a communication terminal capable of making and receiving incoming calls.

The transmitting terminal 100 and the receiving terminal 200 are connected so as to be able to communicate with each other via the communication network 300. The communication network 300 includes, for example, an exchange or the like in the case of wired communication, and includes a base station or the like in the case of wireless communication. Further, depending on the communication mode, the communication network 300 may include the Internet.

The transmission terminal 100 includes a transmission control unit 101 that controls transmission processing, and an identification information storage unit 102 that stores the identification information of the caller.

Further, the incoming call terminal 200 includes an incoming call control unit 201 that controls incoming call processing, and an incoming call history information storage unit 202 that stores incoming call history information.

The transmission control unit 101 of the transmission terminal 100 transmits the identification information stored in the identification information storage unit 102 to the incoming terminal 200 during the transmission processing, that is, at the time of transmission or in response to a request from the incoming terminal 200.

Then, the incoming call control unit 201 of the incoming call terminal 200 stores the identification information received from the outgoing call terminal 100 in the incoming call history information storage unit 202 as the incoming call history information. Further, when a new call is made from the outgoing call terminal 100, the incoming call control unit 201 determines with reference to the incoming call history information storage unit 202 whether or not a call from the same outgoing call terminal 100 has been made in the incoming call history information in the past. do. As a result of the determination, if the incoming call control unit 201 has received an incoming call in the past and has acquired the identification information at the time of the incoming call, the incoming call control unit 201 reads the identification information. The incoming terminal 200 notifies the called party by displaying the read identification information on a monitor or the like.

According to the communication system according to the present embodiment, since the identity information of the caller can be notified to the callee at the incoming call terminal, the callee can determine whether the call is a nuisance call before answering the call. In particular, according to the present embodiment, when the caller's identity information has already been acquired by receiving a call in the past, the identity information is stored as the incoming call history information, so that the caller terminal has the identity. Since it is not necessary to send information many times, the processing load of the system can be reduced.

Embodiment of the invention 2.
The communication system according to the second embodiment of the invention will be described with reference to the drawings. In the communication system, when an incoming call is received, the identity information of the caller can be confirmed and displayed on the monitor of the incoming terminal before the incoming call. It also has a mechanism to define the information necessary for receiving a call to the telephone terminal and automatically request the caller to receive the necessary identification information when receiving a call.

FIG. 2 is a block diagram showing the overall configuration of the communication system. As shown in the figure, the communication system 1 includes a telephone terminal 10, a certificate authority server 20, and a private key management server 30 to which the communication system belongs. The telephone terminal 10 and the certificate authority server 20, the telephone terminal 10 and the private key management server 30 are connected by a communication network.

The telephone terminal 10 is a communication terminal including an incoming call control unit 11, an outgoing call control unit 12, and a database 13. The telephone terminal 10 is typically a mobile phone, but may be a communication terminal such as a fixed telephone or a transceiver. Further, it may be a personal computer equipped with a communication device such as a handset microphone. The communication in this embodiment is voice communication.

FIG. 3 shows an example of the hardware configuration of the telephone terminal 10. As shown in the figure, the telephone terminal 10 includes a processor 1001, a communication interface 1002, a memory 1003, a peripheral device 1004, and a monitor 1005. Each of these elements is connected, for example, by a bus. The processor 1001 realizes various functional units by reading and executing a computer program stored in the memory 1003. The processor 1001 is, for example, a CPU (Central Processing Unit).

The communication interface 1002 executes an input / output process for executing communication with another telephone terminal 10. When the telephone terminal 10 is a wireless communication terminal such as a mobile phone terminal, the communication interface 1002 includes a baseband processing circuit and a wireless processing circuit.

The memory 1003 is a storage means such as a RAM (Random Access Memory) and a ROM (Read Only Memory), and stores a computer program and various data. The peripheral device 1004 is various modules such as a microphone, a speaker, various voice processing circuits, and an input device for realizing voice communication. The monitor 1005 is a display means for notifying the user of various information such as a caller's telephone number and identification information.

Returning to FIG. 2, the incoming call control unit 11 executes various controls for realizing the incoming call function among the functions of the telephone. The incoming call control unit 11 further includes an analysis unit 111, an issuing unit 112, a requesting unit 113, a determination unit 114, a display unit 115, and an incoming call unit 116.

The analysis unit 111 analyzes the outgoing tendency of the caller from the incoming call history information and generates the outgoing tendency information. As the transmission tendency information, for example, there is information on a time zone and a day of the week when transmission is frequently performed. Further, the analysis unit 111 determines at an arbitrary timing whether or not there is a telephone number whose rejection count value exceeds a preset threshold value based on the request rejection information. When the analysis unit 111 determines that there is a telephone number whose rejection count value exceeds a predetermined threshold value, the analysis unit 111 confirms to the called party whether or not to register the telephone number as an incoming call rejection number. To execute.

The issuing unit 112 issues a one-time ticket. Further, the requesting unit 113 mainly requests the sender's identification information from the sender. Here, it is possible to register in advance the type of identification information requested by the issuing unit 112 for the calling terminal 100. If you want to determine whether the callee is a nuisance call based on more detailed identification information, you can register the type of identification information so that detailed identification information (personal information) can be obtained. On the other hand, for example, when it is required to make a judgment based only on the information to which the caller belongs, only the affiliation information may be registered as the type of identification information.

The determination unit 114 determines whether or not the identification information transmitted from the calling terminal 100 is correct, and determines whether or not the identification information includes information necessary for making an incoming call. do.

The display unit 115 displays the identification information or the like acquired from the transmission terminal 100 on the monitor in response to the request of the determination unit 114 or the like. The incoming unit 116 receives a call and executes an incoming call when a predetermined condition is satisfied.

The transmission control unit 12 includes a response unit 121, a reception unit 122, and a transmission unit 123.

The corresponding unit 121 obtains the information requested from the destination from the database 13, obtains the private key K4 from the secret key management server 30 of the department to which the callee belongs, and encrypts the transmission information using the secret key K4.

The reception unit 122 receives the request from the destination and sends the sender information including the identification information.

The calling unit 123 executes a telephone call processing.

The database 13 is a storage unit in which information necessary for processing for preventing nuisance calls is stored. FIG. 4 shows the configuration of the database 13. As shown in FIG. 4, the database 13 has a condition information DB 131, an identification information DB 132, an outgoing call history DB 133, an incoming call history DB 134, and an incoming call rejection DB 135.

The condition information DB 131 stores condition information such as incoming call necessary information (that is, definition information) requested from the calling terminal 100 as a condition for the incoming terminal 200 to execute an incoming call.

The identification information DB 132 stores the identification information of the caller. Here, the sender's identity information includes affiliated company information that identifies the company to which the sender belongs, and personal information such as the department, job title, name, and e-mail address. Here, the affiliated company information is certified by a digital certificate issued by a certificate authority authorized by an administrative agency or a national organization. The personal information in the present embodiment can specify a range in which the sender himself / herself is allowed to transmit to the called party, that is, information that can be disclosed. For example, the identity information DB 132 may store only publicly available information, and information (for example, flag information) indicating whether or not the stored information is publicly available is added to various types of information. You may try to do it. The private key of the affiliated company for encrypting the personal information is not stored in the telephone terminal 10, but is downloaded from the private key management server of the affiliated company when necessary. After using the private key, the telephone terminal 10 deletes the temporarily stored private key.

The transmission history DB 133 stores the history information transmitted from its own telephone terminal 10. The call history information includes time information for specifying the call date and time, call destination information (telephone number of the call destination), and request information for specifying the type of information requested by the call destination.

The incoming call history DB 134 stores history information and the like received by its own telephone terminal 10. The incoming call history information includes time information for specifying the incoming call date / time, caller information (caller's telephone number), and identity information transmitted from the caller. The incoming call history information also includes information on the number of times the sender refuses to send the identification information to the request information. Further, the incoming call history DB 134 also stores the telephone tendency information of each caller obtained by analyzing the incoming call history information by the analysis unit 111.

The incoming call rejection DB 135 stores information (typically, a telephone number) registered at the user's discretion to identify the caller who should reject the incoming call. Further, the database 13 also stores the digital certificate C1 to which the user belongs and the public key K2 of the certificate authority 20.

Returning to FIG. 2, the certificate authority server 20 issues the digital certificate C1 to which the caller belongs. The public key K3 of the affiliation is included in the digital certificate C1, and is encrypted by the private key K1 of the certificate authority.

The private key management server 30 of the affiliation manages the private key of the affiliation destination. Further, when the private key management server 30 receives a request for providing the private key from the corresponding unit 121 of the telephone terminal 10, the private key management server 30 supplies the private key K4 by transmitting the private key K4 to the telephone terminal 10.

Regarding the identity information of the caller, in order to prevent spoofing, the affiliated company information will be included in the digital certificate encrypted with the private key of the certificate authority, and the public key of the certificate authority will be used on the receiving terminal 200 side. The contents can be confirmed for the first time by decrypting. That is, if it can be decoded, it can be determined that the affiliated company information is genuine information, and if it cannot be decoded, it can be determined that it is not genuine information.

Subsequently, the processing of the communication system according to the present embodiment will be sequentially described with reference to the three processes 1 to 3.

(Processing example 1)
FIG. 5 shows a process in which a caller makes a call without giving identification information, and an incoming terminal requests information and executes an incoming call. As a step before making a call, the calling terminal 100 obtains the digital certificate C1 of the affiliation A by downloading it from the server 20 of the certificate authority. At this time, the digital certificate C1 is encrypted by the private key K1 of the certificate authority. Further, the incoming terminal 200 is acquired by downloading the public key K2 of the certificate authority from the server 20 of the certificate authority.

First, the calling unit 123 of the calling terminal 100 executes a calling process for the incoming terminal 200 in response to the caller's operation (S101). The incoming unit 116 of the incoming terminal 200 receives the outgoing signal from the outgoing terminal 100 and executes the reception process. Next, the determination unit 114 of the incoming terminal 200 refers to the condition information DB 131 of the database 13 and assigns the information necessary for the incoming call defined in the condition information DB 131 to the incoming call received by the incoming unit 116. The process of confirming whether or not the database has been executed is executed (S102).

In the example shown in FIG. 5, the determination unit 114 of the incoming terminal 200 determines that the processing required for the incoming call is not included in the outgoing signal. In response to such a determination by the determination unit 114, the issuing unit 112 executes a process of issuing a one-time ticket (S103). Subsequently, the requesting unit 113 creates a file in which information indicating information necessary for receiving an incoming call and a one-time ticket are combined (S104).

The request unit 113 transmits the created file as request information to the transmission terminal 100, which is the source (S105). In this way, the incoming terminal 200 requests the calling terminal 100 to transmit the digital certificate and the identification information. The reception unit 122 of the calling terminal 100 receives the request by the created file and transfers the request to the corresponding unit 121. The corresponding unit 121 reads the identity information of the caller from the identification information database 132 of the database 13 according to the request information, and adds it to the file including the information received from the incoming terminal 200 (S106).

Subsequently, the corresponding unit 121 of the calling terminal 100 acquires the private key K4 of the affiliation A by downloading the private key K4 from the affiliation A, that is, the private key management server 30 of the affiliation company A (S107). Further, the corresponding unit 121 uses the acquired private key K4 to execute the encryption process on the file created in step S106 (S108). The corresponding unit 121 outputs the encrypted file and the digital certificate C1 of the affiliation A read from the database 13 to the receiving unit 122. The reception unit 122 transmits an encrypted file (including information indicating information necessary for an incoming call, a one-time ticket, and caller's identity information) and a digital certificate C1 to the incoming terminal 200.

The request unit 113 of the incoming terminal 200 receives the information transmitted from the reception unit 122 of the transmitting terminal 100. In response to such reception, the determination unit 114 of the incoming terminal 200 decrypts the digital certificate C1 using the public key K2 of the certificate authority stored in the database 13. Further, the determination unit 114 confirms whether or not the decrypted digital certificate C1 is genuine (S110).

Subsequently, the determination unit 114 of the incoming terminal 200 decodes the file including the identification information received from the incoming terminal 200 by using the public key K3 of the caller's affiliation included in the digital certificate C1. .. The determination unit 114 confirms whether or not the identification information is correct depending on whether or not the decryption of the file is successful (S111).

The determination unit 114 confirms whether the status information is included in the information predetermined as the information necessary for the incoming call (S112). When the determination unit 114 determines that the identification information includes predetermined information as information necessary for receiving a call, the display unit 115 displays the identification information and the transmission as the caller information and the caller information. The telephone number of the person is displayed on the monitor of the incoming terminal 200 (S113). After that, the incoming call unit 116 executes an incoming call (S114).

(Processing example 2)
Next, with reference to FIG. 6, an example in which the caller assigns the identification information to the transmission information as the identification information in advance based on the past transmission history will be described. As a step before making a call, the calling terminal 100 obtains the digital certificate C1 of the affiliation A by downloading it from the server 20 of the certificate authority. At this time, the digital certificate C1 is encrypted by the private key K1 of the certificate authority. Further, the incoming terminal 200 is acquired by downloading the public key K2 of the certificate authority from the server 20 of the certificate authority.

The transmission unit 123 of the transmission terminal 100 confirms the transmission history information of the transmission history DB 133 when there is a transmission request from the caller. Specifically, the calling unit 123 first determines whether or not the outgoing call history for the called party of the outgoing call destination specified by the outgoing call request is stored in the outgoing call history DB 133. When the transmission history is not stored in the transmission history DB 133, the transmission unit 123 executes the same process as step S101 of the process example 1 shown in FIG. On the other hand, when the outgoing call history is stored in the outgoing call history DB 133, the calling unit 123 further extracts the request information of the identification information transmitted from the incoming terminal 200 in the outgoing call history information stored in the outgoing call history DB 133. (S201).

The corresponding unit 121 of the calling terminal 100 reads out the identification information corresponding to the request information of the identification information received from the incoming terminal 200 in the past from the identification information DB 132. Further, the corresponding unit 121 creates a file including the read identification information (S202). Next, the corresponding unit 121 is obtained by downloading the private key K4 from the private key management server 30 of the affiliation A (S203). The corresponding unit 121 encrypts the file including the identification information by using the obtained private key K4 of the affiliation A (S204).

The calling unit 123 of the calling terminal 100 reads the digital certificate C1 stored in the database 13, adds the encrypted file in step S204 to the digital certificate C1 to generate calling information, and makes a telephone call. (S205).

The incoming unit 116 of the incoming terminal 200 executes the incoming call processing. At this time, the incoming unit 116 receives the outgoing information including the digital certificate C1 and the encrypted file transmitted from the outgoing terminal 100.

Next, the determination unit 114 of the incoming terminal 200 decrypts the digital certificate C1 using the public key K2 of the certificate authority stored in the database 13. Further, the determination unit 114 confirms whether or not the decrypted digital certificate C1 is genuine (S206).

The determination unit 114 of the incoming terminal 200 decodes the file including the identification information received from the incoming terminal 200 by using the public key K3 of the caller's affiliation included in the digital certificate C1. The determination unit 114 confirms whether or not the identification information is correct depending on whether or not the decryption of the file is successful (S207).

The determination unit 114 confirms whether the status information is included in the information predetermined as the information necessary for the incoming call (S208). When the determination unit 114 determines that the identification information includes predetermined information as information necessary for an incoming call, the display unit 115 receives the identification information as the caller information and the caller information. It is displayed on the monitor of the terminal 200 (S209). After that, the incoming call unit 116 executes an incoming call (S210).

(Processing example 3)
Next, with reference to FIG. 7, a process of requesting the called party to determine whether or not to reject the caller's telephone number when the malicious caller does not send the identification information will be described.

First, the calling unit 123 of the calling terminal 100 executes a calling process for the incoming terminal 200 in response to the caller's operation (S301). The incoming unit 116 of the incoming terminal 200 receives the outgoing signal from the outgoing terminal 100 and executes the reception process. Next, the determination unit 114 of the incoming terminal 200 refers to the condition information DB 131 of the database 13 and assigns the information necessary for the incoming call defined in the condition information DB 131 to the incoming call received by the incoming unit 116. The process of confirming whether or not the database has been executed is executed (S302).

In the example shown in FIG. 7, the determination unit 114 of the incoming terminal 200 determines that the processing required for the incoming call is not included in the outgoing signal. In response to such a determination by the determination unit 114, the issuing unit 112 executes a process of issuing a one-time ticket (S303). Subsequently, the requesting unit 113 creates a file in which information indicating information necessary for receiving an incoming call and a one-time ticket are combined (S304).

The request unit 113 transmits the created file as request information to the transmission terminal 100, which is the source (S305). In this way, the incoming terminal 200 requests the calling terminal 100 to transmit the digital certificate and the identification information. The reception unit 122 of the calling terminal 100 receives the request by the created file and transfers the request to the corresponding unit 121. The corresponding unit 121 executes a process of reading the sender's identity information from the identity information database 132 of the database 13. The correspondence unit 121 receives information received from the incoming terminal 200 when the information that can be disclosed as the identification information is not stored in the identification information database 132 in advance or when the information to the effect that the information cannot be disclosed is associated with the identification information database 132. No identification information is added to the file including (S306). This process is different from step S106 (see FIG. 5) in process 1.

The reception unit 122 of the calling terminal 100 notifies the receiving terminal 200 of the information that the request information from the incoming terminal 200 is received but the request is not responded (S307). In the incoming terminal 200, the request unit 113 acquires the information that the request is not answered and transfers the information to the determination unit 114. The determination unit 114 executes a determination to reject the incoming call because the information necessary for the incoming call is not available and cannot be obtained. Then, along with the incoming call rejection determination, the determination unit 114 increases the rejection count value included in the request rejection information associated with the telephone number of the caller who did not answer the request by 1 in the incoming call history DB 134 (S308). This refusal count value is literally the value of the number of times the request is rejected, and can also be said to be information indicating the high possibility that the telephone number corresponds to a nuisance call.

The analysis unit 111 determines at an arbitrary timing whether or not there is a telephone number whose rejection count value exceeds a preset threshold value, based on the request rejection information stored in the incoming call history DB 134. When the analysis unit 111 determines that there is a telephone number whose rejection count value exceeds a predetermined threshold value, the analysis unit 111 determines whether or not to register the telephone number as an incoming call rejection number in the incoming call rejection DB of the database 13. The process of confirming to the person is executed (S309). In response to the execution of such processing, the display unit 115 displays on the monitor of the incoming call terminal 200 an explanatory information indicating the fact that the incoming call is rejected and a dialog requesting input as to whether or not to register as the incoming call rejection number (S310). ).

Subsequently, the flow of processing of the calling terminal will be described with reference to the flowchart of FIG.

The caller operates the calling terminal 100 and inputs the telephone number of the calling destination (S401). In the calling terminal 100, the calling unit 123 determines whether or not there is a telephone number of the input destination in the outgoing call history information stored in the outgoing call history DB 133, that is, whether or not there is the same outgoing call history (S402). ).

As a result of the determination, if the same outgoing call history has been found in the past, the calling unit 123 determines whether or not the outgoing call history information includes request information indicating that the incoming terminal 200 has requested the identification information. Judgment (S403). As a result of this determination, when the request information is included and the identification information is requested, the corresponding unit 121 obtains the necessary identification information from the identification information DB 132 (S404). Then, the corresponding unit 121 encrypts the identification information and then executes the transmission processing of transmitting the identification information and the digital certificate of the affiliation destination A to the destination as the transmission information (S405).

If the calling unit 123 determines in step S402 that the same outgoing call history does not exist in the past, the call is made as it is (S406). Further, even if it is determined in step S403 that the identification information has not been requested from the incoming terminal 200, the call is made as it is (S406). In step S406, the telephone is made as usual without transmitting the identification information or the digital certificate.

After making a call, the reception unit 122 determines whether or not there is an information request from the call destination (S407). As a result of the determination, if there is no information request from the destination within the predetermined time, the process shifts to waiting for an incoming call (S417).

As a result of the determination in step S407, when the reception unit 122 determines that the information request has been made from the transmission destination, the corresponding unit 121 determines whether or not all the identification information of the identification information DB 132 can be disclosed (S408). When the correspondence unit 121 determines that all the identification information corresponding to the sender is publicly available information, the corresponding identification information corresponding to the request information is acquired from the identification information DB 132. Then, the corresponding unit 121 adds this identification information to the file (S409).

Subsequently, the corresponding unit 121 obtains the private key K4 of the affiliation A from the private key management server 30 (S413). Then, the corresponding unit 121 encrypts the file to which the identification information is added by using the obtained private key K4 (S414). Further, the corresponding unit 121 transmits a file including the digital certificate of the affiliation and the encrypted identification information to the incoming terminal 200 (S415).

After the process of step S415, the reception unit 122 determines whether or not there is an information request from the incoming terminal 200 within a predetermined time (S416). If there is no information request, the reception unit 122 shifts to waiting for an incoming call (S417). On the other hand, when the reception unit 122 receives the information request, the process of step S409 is executed. That is, this process is repeated until there is no information request from the called destination terminal 200.

In step S408, when the corresponding unit 121 determines that all the identification information corresponding to the caller cannot be said to be publicly available information, it further determines whether or not there is publicly available information (S410). When the corresponding unit 121 determines that there is publicly available information, it obtains only the publicly available information from the identification information DB 132 and adds it to the file (S411).
If there is nothing that can be disclosed, the incoming terminal 200 is notified that the request information cannot be transmitted (S412). After that, the process shifts to waiting for an incoming call (S417).

Next, the flow of processing of the incoming terminal will be described with reference to the flowchart of FIG.
In the incoming terminal 200, when the incoming call unit 116 receives a call (S501), the determination unit 114 determines whether the caller's telephone number is registered as the incoming call rejection number in the incoming call rejection DB 135 (S502). When the caller's telephone number is registered as the incoming call rejection number, the determination unit 114 executes the incoming call rejection process (S503). Then, the display unit 115 causes the monitor of the incoming terminal 200 to display that the incoming call has been rejected (S504).

When the caller's telephone number is not registered as the incoming call rejection number, the determination unit 114 further determines whether or not the identification information is included in the outgoing call information from the calling terminal 100 (S505). When the identification unit 114 contains the identification information, the determination unit 114 confirms whether or not the digital certificate C1 is genuine by using the public key K3 of the certificate authority (S506).

When the determination unit 114 determines that the identification information is not included, the issuing unit 112 issues a one-time ticket (S507). Subsequently, the requesting unit 113 creates a file in which information indicating information necessary for receiving an incoming call and a one-time ticket are combined (S508).

The request unit 113 transmits the created file as request information to the transmission terminal 100, which is the source (S509). Specifically, the requesting unit 113 requests the calling terminal 100 to transmit the digital certificate and the identification information. The request unit 113 determines whether or not the request information has been transmitted from the transmission terminal 100, that is, whether or not the request information has been received within a predetermined period (S510).

When the requesting unit 113 determines that the request information has been received, the determining unit 114 confirms whether or not the digital certificate C1 is genuine by using the public key K3 of the certificate authority (S511). If the request unit 113 determines that the request information has not been received, the determination unit 114 rejects the incoming call (S512). At this time, the determination unit 114 increases the refusal count value included in the request refusal information associated with the telephone number of the caller who did not answer the request by 1 in the incoming call history DB 134 (S513).

The analysis unit 111 determines at an arbitrary timing whether or not there is a telephone number whose rejection count value exceeds a preset threshold value based on the request rejection information stored in the incoming call history DB 134 (S514). When the analysis unit 111 determines that there is a telephone number whose rejection count value exceeds a predetermined threshold value, the analysis unit 111 determines whether or not to register the telephone number as an incoming call rejection number in the incoming call rejection DB of the database 13. Executes the process of confirming to the person. In response to the execution of such processing, the display unit 115 displays on the monitor of the incoming call terminal 200 an explanatory information indicating the fact that the incoming call is rejected and a dialog requesting input as to whether or not to register as the incoming call rejection number (S516). ).

When the analysis unit 111 determines that the telephone number for which the incoming call is rejected does not still exceed the threshold value, the display unit 115 displays only that the incoming call is rejected on the monitor of the incoming call terminal 200.

When the determination unit 114 determines that the digital certificate C1 is genuine in step S511, the determination unit 114 uses the public key K3 of the caller's affiliation included in the digital certificate C1 to receive an incoming call. The file including the identification information received from the terminal 200 is decrypted. The determination unit 114 confirms whether or not the identity information is correct depending on whether or not the file is successfully decrypted (S517). At this time, when the determination unit 114 does not succeed in decrypting the file and cannot determine that the identity information is correct, the determination unit 114 rejects the incoming call (S512).

When the file is successfully decrypted, the determination unit 114 further confirms whether the identity information includes the information predetermined as the information necessary for the incoming call (S519). If the determination unit 114 determines that the identification information does not include predetermined information as information necessary for receiving an incoming call, the process proceeds to step S507.

On the other hand, when the determination unit 114 determines that the identification information includes predetermined information as information necessary for receiving an incoming call, the incoming call history information stored in the incoming call history DB 134 is read out from the same caller. .. Then, the determination unit 114 determines whether or not the current transmission has a difference of a certain amount or more from the transmission tendency based on the transmission tendency information such as the time zone and the day of the week that received in the past included in the incoming call history information. S520). If there is a certain difference between the current call and the past call tendency, it can be inferred that a person different from the caller of the past call is calling by so-called "spoofing".

When the determination unit 114 determines that the current transmission has a difference of a certain amount or more from the past transmission tendency, the display unit 115 causes the monitor to display a warning message together with the identification information as the transmission information (S521). .. The warning message is, for example, a message indicating that the outgoing call tendency is different from the past, or that the caller may be different from the incoming call in the past. After that, the incoming call unit 116 executes an incoming call (S523).

When the determination unit 114 determines that the current transmission is within the range of the past transmission tendency, the display unit 115 causes the monitor of the incoming terminal 200 to display the identification information as the caller information and the caller information. (S522). After that, the incoming call unit 116 executes an incoming call (S523).

Here, the identification information of the caller is transmitted to the called party in response to the transmission, and the identification information is stored in association with the transmission history information in the transmission history information DB 133 of the transmission terminal 100. Further, the incoming call history information DB 134 of the incoming call terminal 200 is also stored in association with the incoming call history information. Therefore, if the incoming call history information contains the identification information associated with the current incoming call, the incoming terminal 200 does not need to request the outgoing terminal 100 to transmit the identification information, so that the incoming call terminal 200 can exchange information during communication. Can be reduced.

As described above, according to the communication system according to the second embodiment, the identity information of the caller is automatically confirmed and displayed on the incoming terminal before making an incoming call when receiving a call. , Even if the incoming call is from a telephone number not registered in the incoming call terminal or the like, the called party can make a certain judgment as to whether or not the call is a nuisance call. Furthermore, since the identity information requested from the callee side to the caller side adopts a mechanism that cannot be spoofed by using a certificate authority or a one-time ticket, the risk of nuisance call can be eliminated more reliably.

As for the identification information, the callee can specify the type of information required, so even if the callee can determine whether it is a nuisance call if it can recognize the caller's company name, it is a nuisance call if there is no more detailed identification information. It can be used in various situations because it can handle each case even if it cannot be determined.

In addition, when identification information is acquired from the caller side in response to an incoming call, the incoming call history information and the acquired identification information are stored in association with each other on the incoming terminal, so that any call can be made even after the call is hung up. You can easily check if someone has called you.

On the other hand, in the calling terminal, since the identification information that can be provided can be set even when the receiving side requests the identification information, it is possible to prevent the personal information from being transmitted to the called side against the intention of the caller.

In the present embodiment, if the calling terminal does not send the identification information even though the called party requests the transmission of the identification information, the caller is rejected by the caller's telephone number. The process of confirming with the called party whether or not to include it in the target is being executed. This makes it possible to reject incoming calls from a party that is likely to be a nuisance call.

Further, in the present embodiment, when the current incoming call has a certain difference from the tendency of the past incoming call history, the callee is notified by displaying the fact. This makes it possible to more accurately determine whether or not the person is a so-called spoofing partner.

Further, in the present embodiment, only the information of the affiliation is stored in the digital certificate and the identification information is separated, so that it is only necessary to obtain the certificate in the unit of the affiliation, and the certificate is obtained in the individual unit. Since it is not necessary to obtain it, the cost of issuing the certificate can be reduced.

Embodiment of the invention 3.
The communication system according to the present embodiment is characterized in that the identification information includes the position information of the calling terminal and the imaging information obtained by imaging the caller.

As shown in FIG. 10, the transmission terminal 100 includes a position information acquisition unit 103 and an image pickup information acquisition unit 104 in addition to the transmission control unit 101 and the identification information storage unit 102. Further, the incoming call terminal 200 includes an incoming call control unit 201 and an incoming call history information storage unit 202.

The position information acquisition unit 103 acquires position information indicating the position of the transmission terminal 100. The position information acquisition unit 103 acquires the position information of the transmission terminal 100 by, for example, GPS (Global Positioning System) technology.

The image pickup information acquisition unit 104 acquires image pickup information by capturing an image of the sender with the built-in camera or the external camera of the transmission terminal 100. The image pickup information acquisition unit 104 further has a face recognition module as a recognition means for recognizing whether or not the image is a face image. The fact that the face image is determined by the face recognition module is used as a trigger to acquire the imaged information of the caller. On the other hand, when the face recognition module does not determine that the image is a face image, the caller is not acquired as image pickup information. That is, the photograph is taken only when the face is imaged.

The incoming call control unit 201 of the incoming call terminal 200 can transmit the position information and the image pickup information of the outgoing call terminal 100 as request information to the outgoing call terminal 100. When the incoming call control unit 201 acquires the position information and the image pickup information from the calling terminal 100, the incoming call control unit 201 stores the incoming call history information storage unit 202 together with other identification information.

According to the present embodiment, since the called party can obtain the location information and the image information of the caller as the identity information of the caller, it is possible to more accurately determine whether or not the call is a nuisance call. Further, by requesting location information and image information from the called party to the caller, malicious calls can be effectively suppressed.

Other embodiments.
The present invention is not limited to the above embodiment, and can be appropriately modified without departing from the spirit. For example, in the above example, when the number of incoming call rejections is a predetermined number or more, it is confirmed to the user whether or not the caller's telephone number is to be rejected, but the number of incoming calls is not limited to the number of incoming calls. The confirmation process may be executed based on other information. For example, it may be determined whether or not to execute the confirmation process by targeting the number of times of incoming call rejection per predetermined time is a predetermined number of times or more, that is, the frequency of incoming call rejection.

Further, the identification information is displayed on the monitor of the incoming terminal, but the present invention is not limited to this, and the display is not limited to the display on the monitor as long as the user of the incoming terminal can be notified. For example, it is also possible to notify the user by voice from a speaker. Further, instead of notifying the user of the identification information itself, the possibility of a nuisance call may be determined based on the identification information, and the determination result may be notified to the user.

In the above embodiment, the program can be stored and supplied to the computer using various types of non-transitory computer readable medium. Non-temporary computer-readable media include various types of trangible storage media. Examples of non-temporary computer-readable media include magnetic recording media (eg, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (eg, magneto-optical disks), CD-ROMs (Read Only Memory), CD-Rs. It includes a CD-R / W, a semiconductor memory (for example, a mask ROM, a PROM (Programable ROM), an EPROM (Erasable PROM)), a flash ROM, and a RAM. The program may also be supplied to the computer by various types of transient computer readable medium. Examples of temporary computer readable media include electrical, optical, and electromagnetic waves. The temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.

In addition, some or all of the above embodiments may be described as in the following appendix, but are not limited to the following.
[Appendix 1]
A call control unit that controls the call process, a call terminal that has an identity information storage unit that stores the caller's identity information, and a call terminal.
A communication system including an incoming call control unit that controls incoming call processing and an incoming call terminal having an incoming call history information storage unit that stores incoming call history information.
The transmission control unit of the transmission terminal transmits the identification information stored in the identification information storage unit to the incoming terminal during the transmission process.
The incoming call control unit of the incoming call terminal stores the identification information received from the outgoing call terminal as the incoming call history information in the incoming call history information storage unit, and makes the same call when a new call is made from the outgoing call terminal. When the incoming call from the terminal is included in the incoming call history information, the corresponding identification information is read out.
Communications system.
[Appendix 2]
The incoming call control unit of the incoming call terminal requests the identity information of the caller in response to the outgoing call from the outgoing call terminal.
The communication system according to Appendix 1, wherein the transmission control unit of the transmission terminal transmits the identification information stored in the identification information storage unit to the incoming terminal in response to the request for the identification information.
[Appendix 3]
The calling terminal further has a calling history information storage unit that stores outgoing history information including at least request information for identification information from the incoming terminal.
When making a call to the incoming call terminal, the outgoing call control unit of the outgoing call terminal responds from the identification information storage unit based on the request information of the past identification information from the incoming call terminal stored in the outgoing call history information. The communication system according to Appendix 2, which reads out the identification information to be used and transmits it to the incoming terminal.
[Appendix 4]
The incoming call control unit of the incoming call terminal analyzes the outgoing call tendency of the caller based on the incoming call history information stored in the incoming call history information storage unit, and the caller of the current call is the same as the caller of the past. The communication system according to any one of Supplementary note 1 to 3, which determines whether or not the caller is a caller.
[Appendix 5]
The calling terminal further has a position information acquisition unit for acquiring the position information of the calling terminal.
The communication system according to any one of Supplementary note 1 to 4, wherein the transmission control unit of the transmission terminal transmits the position information acquired by the position information acquisition unit to the incoming terminal as the identification information.
[Appendix 6]
The transmission terminal further has an image pickup information acquisition unit that acquires image pickup information of the caller.
The communication system according to any one of Supplementary note 1 to 5, wherein the transmission control unit of the transmission terminal transmits the image pickup information of the caller acquired by the image pickup information acquisition unit to the incoming terminal as the identification information.
[Appendix 7]
The imaging information acquisition unit has a recognition means for recognizing whether or not the image is a face image, and when the recognition means determines that the image is a face image, the image pickup information is acquired as image pickup information of the sender. Communications system.
[Appendix 8]
A call control unit that controls the call process, an identity information storage unit that stores the identity information of the caller, and
A communication terminal having an incoming call control unit that controls incoming call processing and an incoming call history information storage unit that stores incoming call history information.
When making a call to another communication terminal, the call control unit transmits the status information stored in the status information storage unit to the call destination during the call process.
When there is a call from another communication terminal, the incoming call control unit stores the identification information received from the sender as the incoming call history information in the incoming call history information storage unit, and the call is newly made from the sender. If the call from the same source is included in the incoming call history information, the corresponding identification information is read out.
Communication terminal.
[Appendix 9]
The incoming call control unit requests the identity information of the caller in response to the call from the caller.
The communication terminal according to Appendix 8, wherein the transmission control unit transmits the identification information stored in the identification information storage unit to the transmission destination in response to the request for the identification information.
[Appendix 10]
Further, it has a transmission history information storage unit that stores transmission history information including at least identification request information from the destination.
When making a call, the transmission control unit reads out the corresponding identification information from the identification information storage unit based on the request information of the past identification information from the transmission destination stored in the transmission history information, and the transmission destination. The communication terminal according to Appendix 9 to be transmitted to.
[Appendix 11]
The incoming call control unit analyzes the outgoing call tendency of the caller based on the incoming call history information stored in the incoming call history information storage unit, and whether the caller of the current call is the same caller as the past caller. The communication terminal according to any one of Supplementary Provisions 8 to 10, which determines whether or not.
[Appendix 12]
In addition, it has a location information acquisition unit that acquires its own location information.
The communication terminal according to any one of Supplementary note 8 to 11, wherein the transmission control unit transmits the position information acquired by the position information acquisition unit as the identification information to the transmission destination.
[Appendix 13]
Furthermore, it has an imaging information acquisition unit that acquires imaging information that images the caller.
The communication terminal according to any one of Supplementary note 8 to 12, wherein the transmission control unit transmits the image pickup information of the sender acquired by the image pickup information acquisition unit to the transmission destination as the identification information.
[Appendix 14]
The supplementary note 13 which has a recognition means for recognizing whether or not it is a face image, and acquires as image pickup information which imaged a sender when it is determined by the recognition means that it is a face image. Communication terminal.
[Appendix 15]
When making a call to another communication terminal, the process of sending the identification information to the destination, and
When there is a call from another communication terminal, the identification information received from the sender is stored as incoming call history information, and when there is a new call from the sender, the call from the same sender is the incoming call. If it is included in the history information, the process of reading the identity information of the sender is
A communication program that lets a computer run.
[Appendix 16]
Request the sender's identity information from the sender in response to the call from the sender.
The communication program according to Appendix 15 for transmitting identification information to the destination in response to a request for identification information from the destination.
[Appendix 17]
The communication program according to Appendix 16, wherein when making a call, the identity information is read out and transmitted to the destination based on the request information of the past identification information from the destination.
[Appendix 18]
The communication program according to any one of Supplementary note 15 to 17, which analyzes the outgoing tendency of the caller based on the incoming call history information and determines whether the caller of the current call is the same caller as the caller of the past. ..
[Appendix 19]
The communication program according to any one of Supplementary note 15 to 18, which acquires location information and transmits it as the identification information to the destination.
[Appendix 20]
The communication program according to any one of Supplementary note 15 to 19, wherein the image pickup information of the caller is transmitted to the call destination as the identification information.
[Appendix 21]
The communication program according to Appendix 20, which transmits as image pickup information of the sender when it is determined by the face recognition means that the image is a face image.
[Appendix 22]
It is a communication method that makes a call from the first terminal to the second terminal and performs voice communication.
The first terminal transmits the identification information stored in advance during the transmission process to the second terminal.
The second terminal stores the identification information received from the first terminal as incoming call history information.
Further, when a new call is received, the second terminal notifies the user of the identification information in the incoming call history information when the incoming call from the same source is included in the incoming call history information.
Communication method.
[Appendix 23]
The second terminal requests the identity information of the caller in response to the transmission from the first terminal.
The communication method according to Appendix 22, wherein the first terminal transmits the previously stored identification information to the second terminal in response to the request for the identification information.
[Appendix 24]
The first terminal further stores outgoing history information including at least request information for identification information from the incoming terminal.
When making a call to the second terminal, the first terminal transfers the corresponding identification information to the second terminal based on the stored past identification request information from the incoming terminal. 23. The communication method according to the appendix 23.
[Appendix 25]
The second terminal analyzes the outgoing call tendency of the caller based on the incoming call history information, and determines whether the caller of the current call is the same caller as the past caller, Appendix 22 to 24 The communication method according to any one.
[Appendix 26]
The communication method according to any one of Supplementary note 22 to 25, wherein the first terminal acquires position information and transmits it as the identification information to the second terminal.
[Appendix 27]
The communication method according to any one of Supplementary note 22 to 26, wherein the first terminal acquires image pickup information of a caller and transmits it as the identification information to the second terminal.
[Appendix 28]
The communication method according to Supplementary Note 27, wherein when it is determined that the image of the sender is an image of a face, the image of the sender is transmitted to the second terminal as the identification information.

1 communication system, 10 telephone terminal (communication terminal), 11 incoming call control unit, 12 outgoing call control unit, 20 authentication station, 30 affiliated private key management server, 100 outgoing terminal, 200 incoming call terminal, 101 outgoing call control unit, 102 status Information storage unit, 201 incoming call control unit, 202 incoming call history information storage unit, 111 analysis unit, 112 issuing unit, 113 requesting unit, 114 judgment unit, 115 display unit, 116 incoming call unit, 121 corresponding unit, 122 reception unit, 123 outgoing call Department

Claims (9)

A call control unit that controls the call process, a call terminal that has an identity information storage unit that stores the caller's identity information, and a call terminal.
A communication system including an incoming call control unit that controls incoming call processing and an incoming call terminal having an incoming call history information storage unit that stores incoming call history information.
The transmission control unit of the transmission terminal transmits the identification information stored in the identification information storage unit to the incoming terminal during the transmission process.
The incoming call control unit of the incoming call terminal stores the identification information received from the outgoing call terminal as the incoming call history information in the incoming call history information storage unit, and makes the same call when a new call is made from the outgoing call terminal. When the outgoing call from the terminal is included in the incoming call history information, the corresponding identification information is read out.
In addition, the incoming call control unit of the incoming call terminal requests the identity information of the caller in response to the outgoing call from the outgoing call terminal.
The transmission control unit of the transmission terminal transmits the identification information stored in the identification information storage unit to the incoming terminal in response to the request for the identification information.
In addition, the calling terminal further has a calling history information storage unit that stores outgoing history information including at least request information for identification information from the incoming terminal.
When making a call to the incoming call terminal, the outgoing call control unit of the outgoing call terminal responds from the identification information storage unit based on the request information of the past identification information from the incoming call terminal stored in the outgoing call history information. Read the identification information and send it to the incoming terminal.
Communications system. The incoming call control unit of the incoming call terminal analyzes the outgoing call tendency of the caller based on the incoming call history information stored in the incoming call history information storage unit, and the caller of the current call is the same as the caller of the past. The communication system according to claim 1 , wherein it is determined whether or not the caller is the caller. A call control unit that controls the call process, a call terminal that has an identity information storage unit that stores the caller's identity information, and a call terminal.
A communication system including an incoming call control unit that controls incoming call processing and an incoming call terminal having an incoming call history information storage unit that stores incoming call history information.
The transmission control unit of the transmission terminal transmits the identification information stored in the identification information storage unit to the incoming terminal during the transmission process.
The incoming call control unit of the incoming call terminal stores the identification information received from the outgoing call terminal as the incoming call history information in the incoming call history information storage unit, and makes the same call when a new call is made from the outgoing call terminal. When the outgoing call from the terminal is included in the incoming call history information, the corresponding identification information is read out.
The incoming call control unit of the incoming call terminal analyzes the outgoing call tendency of the caller based on the incoming call history information stored in the incoming call history information storage unit, and the caller of the current call is the same as the caller of the past. Determine if you are the caller,
Communications system. A call control unit that controls the call process, an identity information storage unit that stores the identity information of the caller, and
A communication terminal having an incoming call control unit that controls incoming call processing and an incoming call history information storage unit that stores incoming call history information.
When making a call to another communication terminal, the call control unit transmits the status information stored in the status information storage unit to the call destination during the call process.
When there is a call from another communication terminal, the incoming call control unit stores the identification information received from the sender as the incoming call history information in the incoming call history information storage unit, and the call is newly made from the sender. If the call from the same source is included in the incoming call history information, the corresponding identification information is read out.
In addition, the incoming call control unit of the communication terminal requests the identity information of the caller in response to a call from another communication terminal.
The transmission control unit of the communication terminal transmits the identification information stored in the identification information storage unit to another communication terminal in response to the request for the identification information.
Moreover, the communication terminal further has a transmission history information storage unit that stores transmission history information including at least identification request information from another communication terminal.
When making a call to another communication terminal, the transmission control unit of the communication terminal is the identification information storage unit based on the request information of the past identification information from the other communication terminal stored in the transmission history information. Read the corresponding identification information from, and send it to other communication terminals.
Communication terminal. A call control unit that controls the call process, an identity information storage unit that stores the identity information of the caller, and
A communication terminal having an incoming call control unit that controls incoming call processing and an incoming call history information storage unit that stores incoming call history information.
When making a call to another communication terminal, the call control unit transmits the status information stored in the status information storage unit to the call destination during the call process.
When there is a call from another communication terminal, the incoming call control unit stores the identification information received from the sender as the incoming call history information in the incoming call history information storage unit, and the call is newly made from the sender. If the call from the same source is included in the incoming call history information, the corresponding identification information is read out .
The incoming call control unit of the communication terminal analyzes the outgoing call tendency of the caller based on the incoming call history information stored in the incoming call history information storage unit, and the caller of the current call is the same as the caller of the past. Determine if you are the caller,
Communication terminal. When making a call to another communication terminal, the process of sending the identification information to the destination, and
When there is a call from another communication terminal, the identification information received from the sender is stored as incoming call history information, and when there is a new call from the sender, the call from the same sender is the incoming call. If it is included in the history information, the process of reading the identity information of the sender and
A process of requesting the identity information of the caller in response to a call from another communication terminal and transmitting the identity information of the caller to the destination in response to the request for the identity information.
When making a call to another communication terminal, the process of reading the identification information and transmitting it to the other communication terminal based on the request information of the past identification information from the other communication terminal is performed.
A communication program that lets a computer run. When making a call to another communication terminal, the process of sending the identification information to the destination, and
When there is a call from another communication terminal, the identification information received from the sender is stored as incoming call history information, and when there is a new call from the sender, the call from the same sender is the incoming call. If it is included in the history information, the process of reading the identity information of the sender and
The process of analyzing the caller's outgoing tendency and determining whether the caller of this call is the same as the caller of the past.
A communication program that lets a computer run. It is a communication method that makes a call from the first terminal to the second terminal and performs voice communication.
The first terminal transmits the identification information stored in advance during the transmission process to the second terminal.
The second terminal stores the identification information received from the first terminal as incoming call history information.
Further, when a new call is received, the second terminal notifies the user of the identification information in the incoming call history information when the incoming call from the same source is included in the incoming call history information.
The second terminal requests the identity information of the caller in response to the transmission from the first terminal.
The first terminal transmits the previously stored identification information to the second terminal in response to the request for the identification information.
The first terminal further stores transmission history information including at least request information for identification information from the second terminal.
When making a call to the second terminal, the first terminal reads out the corresponding identification information based on the request information of the past identification information from the second terminal in the transmission history information, and the above-mentioned. Send to the second terminal,
Communication method. It is a communication method that makes a call from the first terminal to the second terminal and performs voice communication.
The first terminal transmits the identification information stored in advance during the transmission process to the second terminal.
The second terminal stores the identification information received from the first terminal as incoming call history information.
Further, when a new call is received, the second terminal notifies the user of the identification information in the incoming call history information when the incoming call from the same source is included in the incoming call history information.
The second terminal analyzes the outgoing call tendency of the caller based on the stored incoming call history information, and determines whether the caller of the current call is the same caller as the past caller.
Communication method.

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