JP3518474B2 - Location information service system and method, and storage medium storing location information service program - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a location information service system and method, and a storage medium storing a location information service program, and more particularly to providing location information of a caller and performing charging and security when providing location information. When using a telephone card, a location information service system and method are provided for taxi dispatch, road service, lost child / wandering elderly person search, peripheral information guidance, etc., and billing processing for them. And a storage medium storing a position information service program.

[0002]

2. Description of the Related Art In a conventional system for providing position information of a calling terminal, whether the position information is retrieved from the telephone number of the calling terminal obtained by the caller number notification function at the called terminal,
In a relay server that receives a call from a calling terminal once and then relays the call to the called terminal, the positional information is retrieved from the telephone number of the calling terminal and the like is provided to the called terminal.

Further, there is no mechanism for providing position information in response to a request from a called party (position information receiver) and charging for providing the position information.

[0004]

However, in the above-mentioned conventional system for retrieving location information by the called terminal, in the case where the telephone number of the calling terminal is private or non-public, the location information is retrieved. There is a problem that the telephone number cannot be used.

Further, in the system for retrieving position information by the relay server, the relay server is required to have a function of relaying a communication call, and two telephone calls are required.

The present invention has been made in view of the above points. The telephone number of the calling side is kept secret from the calling side and the called party, and the manager of the position information data tells the user of the position information. It is an object of the present invention to provide a storage medium that stores a location information service system and method and a location information service program that can perform billing by means of charging.

It is another object of the present invention to provide a location information service system and method capable of preventing a spoofing of a calling terminal and a storage medium storing a location information service program.

[0008]

This onset bright Means for Solving the Problems], and calling fixed terminal having a calling terminal communication unit, and terminating a fixed terminal having a receiving terminal communication means, and a switching network for setting up a call between the communication means of the terminal a, a position information service system for providing position information, calling fixed terminal comprises means for transmitting to the switching network the encrypted position information by encrypting the position information, switching network, from the originating fixed terminal a means for transmitting the obtained encrypted location information to the decoding to the incoming fixed terminal, and a charging means for charging for incoming fixed terminal.

FIG. 1 is a block diagram showing the principle of the present invention.

[0010] The onset Ming, originating with the originating terminal communication means
A fixed terminal 100, incoming fixed with an incoming terminal communication means
A location information service system that includes a terminal 300 and a switching network 200 that sets up a call between communication means of the terminals and provides location information. The originating fixed terminal 100 encrypts the location information of its own terminal with a key. The switching network 200 has an encryption means 110 for transmitting the encrypted position information to the switching network.
A first exchange 210 for accommodating an outgoing fixed terminal , a decryption center 230 that is provided independently of the exchange, decrypts encrypted position information using a key, and sends out the position information, and an incoming fixed terminal 300. Accommodates the first exchange and the incoming fixed end
An exchange means for exchanging end-to-end information and a decryption center 23
By issuing the decryption request of the encrypted position information received from the calling fixed terminal 100 to 0, and obtains the position information, the position information providing means 224 for providing to the incoming fixed terminal 300, the incoming fixed terminal A second exchange 220 having a charging means 222 for charging 300
The incoming fixed terminal 300 includes a communication unit 310 for exchanging information via the exchange unit 221 of the second exchange 220, a position information receiving unit 320 for obtaining position information from the second exchange 220, and a position information receiving unit. The display unit 330 displays the position information acquired in 320.

[0011]Ming is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network for setting up a call between the communication means of the terminal,
It is a location information service system that provides location information.
OutgoingFixed terminalEncrypts the location information of its own terminal with a key
Means for encrypting and transmitting encrypted position information to the switching network
And the switching network originatesFixed terminalAccommodating,TheOutgoingFixed
TerminalThe first exchange means for exchanging information with the
The encrypted location information is decrypted by using the
First exchange having decryption means for transferring position information
And incomingFixed terminalFor providing location information to
Billing means to do and incoming callsFixed terminalAccommodating the first exchange
Machine and incomingFixed terminalThe first exchange to exchange information between
The location information acquired viaFixed terminalTo provide
A second exchange having a second exchange means,
Fixed terminalInformation via the second exchange means of the second exchange.
Location information from the second exchange and the communication means for sending and receiving information
Location information receiving means and the location information receiving means
And a display unit for displaying the obtained position information.

[0012]Ming is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network for setting up a call between the communication means of the terminal,
It is a location information service system that provides location information.
Location information input means for locally entering location information
And an encryption means for encrypting position information using a key,Call
Call when setFixed terminalConnected by encryption means
Send encrypted encrypted location informationFixed terminalSend to
Originating with a location information setting terminal having a connection meansFixed
TerminalIs the encrypted location information obtained from the location information setting terminal.
To the switching network, the switching networkSolid
Fixed terminalIndependent of the first exchange housing the
It is equipped with a key to decrypt encrypted location information and
Decryption center that sends information and incoming callFixed terminalHouse
Then the first exchange and the incoming callFixed terminalExchange information between
Send to exchange means and decryption centerFixed terminalReceived from
By issuing a decryption request for encrypted location information,
RankReceives location information and receives callsFixed terminalLocation information provided to
Means of supply and the incoming callFixed terminalMeans to charge for
And a second exchange havingFixed terminalIs the
A communication person who exchanges information via the exchange means of the second exchange.
And a position information receiver that acquires position information from the second exchange.
Display the location information acquired by the communication means and the location information receiving means
And a display unit for displaying.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network for setting up a call between the communication means of the terminal,
It is a location information service system that provides location information.
Location information input means for locally entering location information
And an encryption means for encrypting position information using a key,Call
Call when setFixed terminalConnected by encryption means
Encrypted encrypted location informationTheOutgoingFixed terminalSend to
Having a location information setting terminal with a connection meansSolid
Fixed terminalIs the encrypted location information obtained from the location information setting terminal.
Has a communication means for sending information to the switching network, and the switching network
Fixed terminalHousingTheOutgoingFixed terminalExchange of information with
And the first exchange means for performing
Decryption for decrypting and transferring position information to the first exchange means
A first exchange having an encryption means, and an incoming callFixed terminalAgainst
Charging means for charging the provision of location informationTheWear
BeliefFixed terminalHousing the first exchange andTheIncomingFixed terminalwhile
Exchange information,TheAcquired through the first exchange
Location information for the incoming callFixed terminalSecond exchange means provided to
Having a second exchange withFixed terminalIs the second
Communication for exchanging information via the second exchange means of the exchange
And location information for obtaining location information from the second exchange
Display the location information acquired by the receiving means and the location information receiving means.
And display means shown.

[0014] The onset Ming, the first exchange that accommodates the calling fixed terminal of the switching fabric further comprises authentication means for authenticating the calling fixed terminal.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
Location information service that provides location information in the system
Outgoing in the wayFixed terminalAt the
Information is encrypted with a key and encrypted on the switching network.location informationSend
Outgoing, originating on the switching networkFixed terminalFrom encrypted location information
Decoding that is provided independently of the exchange when receiving the information
Issue a request to decrypt the encrypted location information to the center
Location information byFixed terminalAgainst
To charge and receive location informationFixed terminalSend to
BeliefFixed terminalThen, the location information is acquired from the exchange network and displayed.
It

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
Location information service that provides location information in the system
Outgoing in the wayFixed terminalAt the
Information is encrypted with a key, and encrypted location information isToSending
Trust, outgoing on the switching networkFixed terminalFirst exchange housing
In the machineTheOutgoingFixed terminalEncrypted location information obtained from
Decrypt information using a key and receiveFixed terminalSecond to house
At the exchange ofFixed terminalOf location information for
How much you charge for the offer and get from the first exchange
Receive device informationFixed terminalProvide and receiveFixed terminalThen,
The location information is acquired from the exchange network and displayed.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
Location information service that provides location information in the system
Outgoing in the wayFixed terminalToCallConnected at setup,
Enter the location information locally on the location information setting terminal
And send encrypted location information that is encrypted location informationFixed end
EndAnd send toFixed terminalNow, keep the encrypted location information
And send to the switching network, and then send on the switching network.Fixed end
EndWhen it receives encrypted location information from
To the decryption center equipped with
Location information by issuing a decryption request for
Then incomingFixed terminalTo receive location information
Fixed terminalSend and receiveFixed terminalThen located from the switching network
Get and display information.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
Location information service that provides location information in the system
Outgoing in the wayFixed terminalToCallConnected at setup,
Enter the location information locally on the location information setting terminal
And send encrypted location information that is encrypted location informationFixed end
EndAnd send toFixed terminalNow, keep the encrypted location information
And send to the switching network, and then send on the switching network.Fixed end
EndIn a first exchange that accommodatesTheOutgoingFixed terminalOr
The encrypted location information obtained from
Fixed terminalAt the second exchange that accommodatesFixed
TerminalTo charge the provision of location information to
Receives location information acquired from the exchangeFixed terminalProvided to
Then incomingFixed terminalNow, get the location information from the switching network
indicate.

[0019] The onset Ming, in the first exchange to accommodate the outgoing fixed terminal of the switching network, to authenticate the originating fixed terminal.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
In the stem, the transmissionFixed terminalToLet it run,Location
Information that stores the location information service program that provides information
It is a storage medium that encrypts the location information of its own terminal with a key.
To send encrypted location information to the switching network.Step
To, Store the program to be executed by the outgoing fixed terminal.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
In the stem, the transmissionFixed terminalToLet it run,Location
Information that stores the location information service program that provides information
It is a storage medium,CallLocation that is connected to your terminal when setting
It is input locally and encrypted on the information setting terminal.
The encrypted location informationCallSet
RuStepAnd send encrypted location information to the switching network.Ste
UpAndStores the program to be executed by the outgoing fixed terminal.
Ru.

Main eventMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
In the exchange network at the stemAccommodating the incoming fixed terminal of
SwitchToLet it run,Location information service that provides location information
A storage medium storing a service program, which is an exchange
It is equipped independently from and decrypts encrypted information using a key.
And send it to the decryption center that sends the location information.Solid
Fixed terminalIssue a request to decrypt the encrypted location information obtained from
Decryption request toStepAnd the decryption requestStepBy
Location information received from the decryption centerFixed terminal
Location information provided toStepAnd incomingFixed terminalAgainst
BillingThe steps that cause the exchange to
Store the program.

From the mainMing is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
At the switch in the switching networkLet it run,position
Stored location information service program that provides information
It is a storage medium and is sentFixed terminalFirst exchange to house
Call using a machine, make a call using a keyFixed terminalReceived from
Decryption that decrypts encrypted location information and acquires location information
StepWhen,Receives the location information acquired in the decryption step
A communication step provided to the fixed terminal,IncomingFixed terminalCollect
Incoming call to be executed by the second exchange that acceptsFixed terminalAgainst
Billing for providing location informationSteps,
ToHave.

The present onset Ming, further comprising an authentication step of authenticating the validity of the calling fixed terminal.

[Main]Ming is, Originating with communication means for originating terminal
Fixed terminalAnd an incoming call having a communication means for the receiving terminalFixed terminal
And a switching network that sets up calls between the communication means of terminals.
In the stem, the incoming callFixed terminalToLet it run,Location
Information that stores the location information service program that provides information
It is a storage medium,It is encrypted on the outgoing fixed terminal and on the switching network.
Get decrypted location informationStepAnd location information
To displayThe step that causes the incoming fixed terminal to execute the step.
Store program.

As described above, according to the present invention, by transmitting the encrypted position information from the calling terminal to the switching network, decrypting it in the switching network and charging the receiving terminal,
The telephone number of the calling side (public telephone) is kept secret from the calling party or called party, and it becomes possible to charge for the provision of location information (service) to the called party.

Further, by authenticating the calling terminal at the exchange, it is possible to prevent the calling terminal from being spoofed,
The position information (encrypted position information) to be notified can be guaranteed.

[0028]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention transmits encrypted position information (encrypted position information) from a calling terminal to a switching network, decrypts it in the switching network, and sends the decoded position information to a receiving terminal. In addition, when the service using the position information is used, it is possible to charge the receiving terminal (user) for the information fee and the call fee.

In the exchange, the calling terminal is authenticated,
It prevents spoofing by the sender and guarantees the location information to be notified.

Further, a position information setting terminal to be connected when the transmitting terminal is installed is provided, the position information is locally set, and the encrypted position information is transmitted to the exchange network via the transmitting terminal. , And transmits the decoded position information to the receiving terminal.

[0031]

Embodiments of the present invention will be described below with reference to the drawings.

[First Embodiment] In this embodiment, a calling terminal such as a public telephone or a general telephone is provided with an encryption function to encrypt position information, and the location information is transmitted to a switching network. To have a decryption function and a billing function, decrypt the encrypted position information acquired from the calling terminal and provide it to the called terminal,
A case of charging the receiving terminal will be described.

FIG. 2 shows the system configuration of the first embodiment of the present invention. The system shown in FIG.
It is composed of a telephone exchange network 200 and a receiving terminal 300. The calling terminal 100 is a general telephone including a public telephone.

The telephone switching network 200 comprises a switching system A 210, a switching system B 220, and a decoding center 230 (NSP).

The exchange A210 is an exchange that accommodates the calling terminal 100 and has a function of transmitting the telephone number of the calling terminal 100 to the exchange B220.

The exchange B220 accommodates the receiving terminal 300 and is connected to the common line signaling network by the decoding center 230.
Has a function of issuing a decryption request for the encrypted position information passed from the calling terminal 100, acquiring the position information, transmitting the position information to the receiving terminal 300, and charging the receiving terminal 300.

The exchange B220 is composed of an exchange section 221, an accounting section 222, an accounting DB 223, and a position information providing section 224.

In addition to the usual telephone exchange function, the exchange section 221 transmits the location information obtained by passing the telephone number of the calling terminal 100 received from the exchange A210 to the location information providing section 224, and transmits the location information to the receiving terminal 300. It has a function of passing the telephone number of the receiving terminal 300 to the charging unit 223. Here, if there is no prior contract (free dial (registered trademark), credit call, etc.) with the receiving terminal 300 for charging when providing the position information, the receiving terminal 300 is inquired to acquire the positional information. . This is the receiving terminal 3
It is a confirmation of intention to be charged to 00.

Upon receipt of the telephone number of the receiving terminal 300 from the exchanging unit 221, the charging section 222 adds the charging frequency registered corresponding to the telephone number of the receiving terminal 300 in the charging DB 223 (subtracts if prepaid). Has the function of performing.

The position information providing unit 224 receives the encrypted position information transmitted from the transmitting terminal 100 from the exchanging unit 221, and requests the decryption center 230 to perform decryption, thereby transmitting the position information of the transmitting terminal 100. Acquired and exchange unit 22
1 has a function of passing position information.

The decryption center 230 is the telephone switching network 200.
Is installed as an NSP inside, and decrypts the encrypted location information in accordance with the location information decryption request from the exchange B220,
The position information is returned to the exchange B220.

The decoding unit 231 of the decoding center 230 is
It has a function of decrypting the encrypted position information received using the stored master key and returning the decrypted position information.

The receiving terminal 300 has a function of receiving and displaying the position information sent from the exchange B 220, in addition to the normal telephone function, and comprises a communication unit 310, a position information receiving unit 320, and a display unit 330. It

In addition to the usual communication means of the telephone, the communication unit 310 passes the received contents to the position information receiving unit 320 when receiving the position information and the inquiry about the acquisition of the position information from the exchange B 220.

The position information receiving unit 320 converts the position information received from the communication unit 310 into a displayable form according to the position information format and transfers it to the display unit 330. Further, when the inquiry about the acquisition of the position information is received from the exchange B220, the intention of the decryption is confirmed to the user by inputting a dial button or the like, and when the acquisition position is confirmed, the communication unit 310 is used to request the position information to the exchange B220. Send out.

The display section 330 is a display device or the like having a function of displaying the position information and the intention confirmation message received from the position information receiving section 320.

FIG. 3 is a sequence chart in the system of the first embodiment of the present invention.

First, the calling terminal 100 dials the telephone number of the called party (step 501). Note that the position information transmission permission may be given from the calling terminal 100 by adding a “special number” that is a predetermined specific number to make a call. For example, "123 + incoming telephone number" may be used. Further, dialing at the time of calling may be automatic dialing using an IC card or the like instead of manual input.

When the telephone number is dialed, the encryption unit 1
In 1, the position information is encrypted using the master key (step 502). After that, the called terminal 300 is called and the encrypted position information is transmitted to the exchange A210.
(Step 503). If ISDN, facility concession request is used. If not ISDN, modem signal, DTMF signal, out channel ( outside voice band)
Communication etc. shall be used. Due to the call, the location DB system 230 of the telephone switching network 200 has arrived (step 504).

The exchange B 220 receives the position information 224.
From the called terminal 300 to acquire location information (if ISDN, use facility information request or the like; if not ISDN, use modem signal, DTMF
Signal, out-channel ( outside voice band) communication, etc. are used) (step 505). The incoming call terminal 300 prompts the callee to make an input by displaying it on the display unit 330 (step 506), confirms the intention of acquiring the position information, and when there is the acquisition intention, makes a position information request to the exchange B220 ( If it is ISDN, a facility information request or the like is used, and if it is other than ISDN, a modem signal, a DTMF signal, out-channel ( outside voice band) communication or the like is used) (step 507). Note that there is no need to display or input if there is a setting of acquisition intention by default. The acquisition intention confirmation process is not essential in the present invention, and can be used as appropriate.

The exchange unit 221 of the exchange B 220 transfers the encrypted position information received from the calling terminal 100 to the position information providing unit 224, and the position information providing unit 224 sends it to the decryption center 230 connected by the common line signaling network. The encrypted position information is transmitted and a decryption request is issued (step 50).
8).

At the decryption center 230, the exchange B220
In response to the decryption request from (1), the decryption unit 231 decrypts the received encrypted position information using the master key (step 509) and returns the position information to the exchange B220.

In the exchange B220, the information charge for the location information is charged to the incoming telephone number in the accounting DB 233 by adding (or subtracting if it is prepaid) to the incoming telephone number (step 510). At the same time, the incoming terminal 300 is charged. To send the position information (if ISDN, use facility information request, etc .; if not ISDN, modem signal, DTMF signal, out channel ( outside voice band)
Communication or the like) is used (step 511).

In the receiving terminal 300, the position information sent from the exchange B 220 is resinized by the communication unit 310, and is passed to the position information receiving unit 320, so that the display unit 330 including the display and the like provided in the receiving terminal 300. The position information is displayed (step 512).

The receiving terminal 300 goes off-hook (responds) to an incoming call and returns a response signal (normal telephone operation).
(Step 513). Note that the operation is not an essential requirement in the present invention, and may be performed at any point after the incoming call.

When the exchange B 220 receives the response signal from the receiving terminal 300, the switching terminal B 220 and the receiving terminal 300 receive the response signal.
And (normal switching operation) (step 51).
4). Note that this operation is not an essential requirement of the present invention and may be performed at any point after the incoming call.

Next, the operation of each device in the above configuration will be described.

The following flowchart is constructed as a program installed in each device, and is connected to each device such as a memory, a disk device, or a portable storage medium such as a floppy (registered trademark) disk or a CD-ROM. The present invention can be easily realized by storing it in a storage device and installing it when carrying out the present invention.

FIG. 4 is a flow chart of a program installed in the transmitting terminal according to the first embodiment of the present invention.

Step 601) If the caller goes off-hook, the process proceeds to step 602, and if not, the process waits.

Step 602) If the sender designates the transmission of the position information, the process proceeds to step 604, and if not, the process proceeds to step 603.

Step 603) Normal telephone connection processing is performed.

Step 604) The telephone number of the called party is dialed in.

Step 605) The position information is encrypted using the master key to generate encrypted position information.

Step 606) The encrypted position information is transmitted (call origination).

Step 607) The call with the receiving terminal is started.

Step 608) If a disconnection request is obtained from the called terminal or if the caller is on-hook, the process proceeds to step 609, and if not, the process waits.

Step 609) Call disconnection processing is performed.

Next, the exchange will be described.

FIG. 5 is a flow chart showing the process in the exchange of the third embodiment of the present invention.

Step 710) If there is a call from the calling terminal in the exchange, the process proceeds to Step 720,
If not, the call is awaited.

Step 720) When a call is made, the position information transmission process is activated.

Step 721) An inquiry is made to the receiving terminal as to whether to acquire the position information.

Step 722) If there is a response to acquire the position information, the process proceeds to step 723, and if not, the process ends.

Step 723) A decryption request is sent to the decryption center to obtain the decrypted position information.

Step 724) Charge for providing the position information. In addition, if the communication fee is required, the fee is also charged.

Step 725) The position information is transmitted to the receiving terminal.

Step 730) It is judged whether or not the connection between the caller terminal and the callee terminal is successful. If the connection is successful, the procedure goes to step 740, and if not, the procedure goes to step 770.

Step 740) Call connection processing between the calling terminal and the called terminal is performed.

(Step 750) If the disconnection request is obtained, the process proceeds to step 760, and if not,
Wait for disconnect request.

Step 760) A cutting process is performed.

Step 770) Perform predetermined error processing.

Next, the processing of the receiving terminal will be described.

FIG. 6 is a flow chart of a program installed in the receiving terminal according to the first embodiment of the present invention.

Step 810) It is judged whether there is an incoming terminal or an incoming call via the exchange, and if there is no incoming call, the process waits.

Step 820) A ring tone sounds at the receiving terminal.

Step 830) The position information acquisition process is activated.

Step 831) If an inquiry for position information acquisition is made from the exchange, the process proceeds to step 832, and if not, the process ends.

Step 832) If there is an intention to acquire position information, an intention confirmation display is displayed. At this time, since the callee is charged, a display input is performed to confirm the intention of the callee to acquire the position information, but the process is not essential.

Step 833) If there is a position information acquisition intention, the process proceeds to step 834, and if not, the process ends.

Step 834) Request position information from the exchange.

Step 835) The position information is acquired from the exchange.

Step 836) The acquired position information is displayed on the display or the like.

Step 840) If the connection with the calling terminal has succeeded, the process proceeds to step 850, and if not, the process proceeds to step 880.

Step 850) Start a call.

Step 860) If a disconnection request or on-hook is to be made, the process proceeds to step 870, and if not, the disconnection request or on-hook is awaited.

Step 870) If a disconnection request or on-hook is made, disconnection processing is performed.

Step 880) If the connection is unsuccessful, a predetermined error process is performed. [Second Embodiment] This embodiment is a decoding center 2 which is provided independently of the exchange in the first embodiment.
The decryption function of 30 is realized by the exchange.

FIG. 7 shows the system configuration of the second embodiment of the present invention.

The system shown in the figure differs from the configuration of FIG. 2 described above in the configuration of the telephone switching network 200.

The telephone switching network 200 includes exchanges A210, B.
It is composed of 220.

The exchange A 210 is composed of an exchange unit 211 and a decryption unit 212, accommodates the calling terminal 100, acquires the encrypted encrypted information from the calling terminal 100,
The decryption unit 212 has a function of decrypting using the master key and transmitting it to the receiving terminal 300 via the exchange B 220.

The decryption unit 212 receives the encrypted position information from the exchange unit 211, decrypts the received encrypted position information by using the stored master key, and exchanges it.
Pass to.

Exchange section 211 includes exchange section 221 and charging section 2.
22 and the charge DB 223, in addition to the normal telephone exchange function, the location information obtained by passing the encrypted location information received from the calling terminal 100 to the decryption unit 212 is sent to the receiving terminal 300 via the exchange B220. It has the function of sending.

The exchange B 220 accommodates the receiving terminal 300, transmits the position information received from the exchange A 210 to the receiving terminal 300, and refers to the charging DB 223 to the receiving terminal 300 to charge the charging unit 222. Have.

Therefore, the operation of the system is the same as that of FIG. 2 except that the exchange A 210 performs the decryption request of the encrypted position information that was performed by the exchange B 220 and the decryption processing that was performed by the decryption center 230. It is similar to the sequence shown in FIG. Further, in the above embodiment, an example in which the receiving terminal 300 is provided with a display or the like having a display function has been described. However, the present invention is not limited to this example, and the exchange B 220 sends voice information or PB (push button) to the receiving terminal 300. Signal), a modem signal, or the like. This can be used when the receiving terminal 300 does not have a display function such as a display.

Further, in the above, the example in which the exchange B 220 charges only the information fee when the incoming call is received at the receiving terminal 300, but the following charging method is also possible.

In the case of a toll-free number with a position information (a special number such as 0120), if the position information provider has been pre-approved, a database for converting the called number is prepared in the exchange, and the communication fee and the information are received when the call is received. There is a way to charge a fee.

In the case of a card with location information, the caller is authenticated by using the membership number, personal identification number, telephone number of the called party, etc. for the card, and the communication fee and information are sent to the caller. There is a way to charge a fee.

Further, collect call with position information (10
In the case of a special number such as 8), there is a method in which the called party is requested to approve the incoming call, and when the incoming call is approved, the called party is charged a communication fee and an information fee.

[Third Embodiment] In this embodiment, a case will be described in which a position information setting terminal capable of locally setting position information is provided in the configuration of the first embodiment shown in FIG.

In this embodiment, a case will be described in which a position information setting terminal capable of locally setting position information is provided in the transmitting terminal 100 in the above-mentioned third embodiment.

FIG. 8 shows the system configuration of the third embodiment of the present invention. In the figure, the same components as in FIG.
The same reference numerals are given and the description thereof is omitted.

The system shown in FIG. 8 is composed of a position information setting terminal 400, a calling terminal 100, a telephone switching network 200, and a receiving terminal 300.

The position information setting terminal 400 is the calling terminal 10
0 has a function of connecting to the calling terminal 100, encrypting the position information using the master key, and passing the encrypted position information to the calling terminal 100, thereby setting the encrypted position information in the calling terminal 100. The input unit 410, the encryption unit 420, and the connection unit 430 are included.

The position information input unit 410 may be any keyboard, display, mouse for manual input, a position acquisition device such as GPS, Loran, PHS, or the like.

The encryption section 420 has a position information input section 410.
The location information input from is encrypted using the master key,
It is passed to the connection unit 430.

The connection unit 430 is connected to the transmitting terminal 100 and passes the encrypted position information to the transmitting terminal 100.

The transmitting terminal 100 is the location information setting terminal 40.
This is a public telephone that holds the encrypted position information set by 0 and has a function of transmitting the encrypted position information when a call is made, and includes a setting unit 130 and a communication unit 140.

The setting section 130 includes the position information setting terminal 400.
The encrypted position information acquired from the device is set in the device.

The communication section 140 transmits the encrypted position information stored at the time of calling to the telephone switching network 200 in addition to the functions of the ordinary telephone.

In the above configuration, the position information setting terminal 4
At 00, the locally input position information is encrypted and passed to the transmitting terminal 100, and the transmitting terminal 100 does not encrypt the position information but transmits the encrypted position information set in the own device to the telephone exchange network. Unlike the first embodiment described above, the other operation is similar to that of the first embodiment in that the data is transmitted to the communication device 200. Therefore, the description thereof will be omitted.

[Fourth Embodiment] In this embodiment, an example of preventing the spoofing of the calling terminal by providing an authentication function in the exchange accommodating the calling terminal in each of the above-described embodiments will be described.

FIG. 9 shows the system configuration of the fourth embodiment of the present invention. Here, as an example of the configuration of the exchange A210, an example applied to the above-described first embodiment is shown.
The third embodiment can also be applied by similarly providing an authentication unit in the exchange A210 that accommodates the calling terminal 100.

The exchange A210 shown in FIG.
11 and an authentication unit 212. The authentication unit 212
Authenticates via the communication unit 120 and the exchange unit 211 of the transmitting terminal 100. At this time, the transmitting terminal 100 has an IC
It is assumed that the card is inserted, and the ID of the IC card is authenticated. An authentication method in that case will be described.

FIG. 10 is a diagram for explaining a calling terminal authenticating operation by the switching network according to the fourth embodiment of the present invention.

In the exchange A210, when the card ID is obtained from the calling terminal 100 (step 902), a random number is generated by using a random number generation function (step 903) and stored, and the random number is transmitted to the calling terminal 100 (step). 904). In the transmitting terminal 100, the same one-way function (MD5) as that of the exchange A210 is input with the data secretly held corresponding to the ID of the ID card and the transmitted random number as input.
Etc.) to generate response data (step 90
5), the response data is transmitted to the exchange A210 (step 907). Authentication unit 212 of exchange A210
In the same manner, the response data is generated by the same method as the transmitting terminal 100 (step 906). Exchange A21
At 0, the response data acquired from the transmitting terminal 100 is compared with the response data generated by the exchange A 210 itself, and if they are the same, the authentication is successful, and if they are different, the authentication is failed (step 908). . The exchange A210 returns the authentication result to the calling terminal 100 (step 909).

By using the above method, it is possible to prevent spoofing from the transmitting terminal 100.

Although the representative embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and various modifications and applications are possible within the scope of the claims.

[0130]

As described above, according to the present invention, by using the telephone card dedicated to the location information service, it is possible to automatically make a call and provide the location information to the called party, and at the same time, the service device. By reading the caller information other than the position information stored in the card, it is possible to provide a service that combines the position information and the caller information in the service device.

Further, in the position information service system, the telephone number of the calling side (public telephone) is kept secret from the caller or the called party, and charging for the provision of the position information (service) to the called party is possible. Become.

In addition, when charging the called party, it is possible to confirm the intention to confirm the consent to the charging of the called party.

By authenticating the calling terminal, it is possible to prevent the sender from being spoofed.

[Brief description of drawings]

FIG. 1 is a principle configuration diagram of the present invention.

FIG. 2 is a system configuration diagram of a first embodiment of the present invention.

FIG. 3 is a sequence chart in the system according to the first embodiment of this invention.

FIG. 4 is a flowchart of a program executed by the calling terminal according to the first embodiment of this invention.

FIG. 5 is a flowchart of a program executed by the exchange of the first embodiment of the present invention.

FIG. 6 is a flowchart of a program executed by the receiving terminal according to the first embodiment of this invention.

FIG. 7 is a system configuration diagram of a second embodiment of the present invention.

FIG. 8 is a system configuration diagram of a third embodiment of the present invention.

FIG. 9 is a system configuration diagram of a fourth embodiment of the present invention.

FIG. 10 is a diagram for explaining a calling terminal authenticating operation by a switching network in a fourth exemplary embodiment of the present invention.

[Explanation of symbols]

100 calling fixed terminal, calling terminal 110 encryption unit 120 communication unit 130 setting unit 140 communication unit 200 telephone exchange network 210 exchange A, first exchange 211 exchange unit 212 decryption unit 213 database 220 exchange B 221 exchange unit, exchange Means 222 Charging unit, Charging means 223 Charging DB 224 Position information providing unit, Position information providing unit 230 Decoding center 231 Decoding unit 300 Incoming fixed terminal 310 Communication unit, Communication unit 320 Position information receiving unit, Position information receiving unit 330 Display Part, display means 400 position information setting terminal 410 position information input part 420 encryption part 430 connection part

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Shinichi Mine Inventor Shinichi Mine 2-3-1 Otemachi, Chiyoda-ku, Tokyo Inside Nippon Telegraph and Telephone Corporation (56) Reference JP-A-9-18588 (JP, A) JP 2000-78667 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) H04M 3/00 H04M 3/16-3/20 H04M 3/38-3/58 H04M 7/00-7 / 16 H04M 11/00-11/10 H04M 17/00-17/02

Claims (17)

(57) [Claims] 1. Calling having caller communication meansFixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
It has a switching network for setting up calls between communication means, and
A location information service system to be provided, OutgoingFixed terminalIs Encrypt location information and send encrypted location information to the switching network
Have means to The exchange network is OutgoingFixed terminalDecrypt the encrypted location information obtained from
IncomingFixed terminalMeans to send to IncomingFixed terminalA charging means for charging
A location information service system characterized by. 2. Calling having calling terminal communication meansFixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
It has a switching network for setting up calls between communication means, and
A location information service system to be provided, OutgoingFixed terminalIs The location information of the own terminal is encrypted with a key and encrypted on the exchange network.
PositionHas an encryption means for transmitting information, The exchange network is OutgoingFixed terminalA first exchange that accommodates It is provided independently of the exchange and uses the key to encrypt the encrypted location information.
A decoding center that decodes the information and sends the position information; IncomingFixed terminalAccommodating an incoming call with the first exchangeFixed terminalwhile
Exchange information to and from the decryption centerSolid
Fixed terminalIssue a request to decrypt the encrypted location information received from
By, RankGet the location information,TheIncomingFixed end
EndLocation information providing means provided toFixed terminalAgainst
A second exchange having a charging means for charging
Then IncomingFixed terminalIs Communication for exchanging information via the exchange means of the second exchange
Means and Position information receiving means for acquiring position information from the second exchange
When, A display hand that displays the position information acquired by the position information receiving means.
Position information service system characterized by having steps
Mu. 3. Calling having a calling terminal communication meansFixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
It has a switching network for setting up calls between communication means, and
A location information service system to be provided, OutgoingFixed terminalIs The location information of the own terminal is encrypted with a key and encrypted on the exchange network.
Having encryption means for transmitting encrypted position information, The exchange network is OutgoingFixed terminalAccommodating,TheOutgoingFixed terminalOf information between
The first exchange means for exchanging data and the encrypted location information using the key.
Decrypt the information and transfer the location information to the first exchange means
A first exchange having a decryption means, IncomingFixed terminalTo provide location information to
Billing means and incomingFixed terminalHousing the first exchange and
IncomingFixed terminalInformation is exchanged between the two and is exchanged via the first exchange.
The location information acquired byFixed terminalSecond to provide to
A second exchange having an exchange means of IncomingFixed terminalIs Information is exchanged via the second exchange means of the second exchange.
Communication means, Position information receiving means for acquiring position information from the second exchange
When, A display hand that displays the position information acquired by the position information receiving means.
Position information service system characterized by having steps
Mu. 4. An outgoing call having an outgoing terminal communication means.Fixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
It has a switching network for setting up calls between communication means, and
A location information service system to be provided, Position information input means for locally inputting position information, An encryption means for encrypting position information using a key,Call Call when setFixed terminalConnected by encryption means
Send encrypted location information encrypted byFixed terminalSend to
A location information setting terminal having a connection means OutgoingFixed terminalIs Obtained from the location information setting terminalThe aboveExchange encrypted location information
Having communication means for sending to the exchange network, The exchange network is OutgoingFixed terminalA first exchange that accommodates It is equipped independently of the exchange and uses a keyThe aboveEncryption rank
Decoding center that decodes location information and sends position information
When, IncomingFixed terminalAccommodating an incoming call with the first exchangeFixed terminalwhile
Exchange information to and from the decryption centerSolid
Fixed terminalIssue a request to decrypt the encrypted location information received from
By, RankReceives location information and receives callsFixed terminalTo
Location information providing means to be provided and the incoming callFixed terminalAgainst
A second exchange having a charging means for charging, IncomingFixed terminalIs Communication for exchanging information via the exchange means of the second exchange
Means and Position information receiving means for acquiring position information from the second exchange
When, A display hand that displays the position information acquired by the position information receiving means.
Position information service system characterized by having steps
Mu. 5. Calling having a calling terminal communication meansFixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
It has a switching network for setting up calls between communication means, and
A location information service system to be provided, Position information input means for locally inputting position information, An encryption means for encrypting position information using a key,Call Call when setFixed terminalConnected by encryption means
Encrypted encrypted location informationTheOutgoingFixed terminalSent to
A location information setting terminal having a connecting means for OutgoingFixed terminalIs Encrypted location information acquired from location information setting terminal
Has communication means for sending to The exchange network is OutgoingFixed terminalHousingTheOutgoingFixed terminalOf information between
The first exchange means for exchanging data and the encrypted location information using the key.
Decrypt the information and transfer the location information to the first exchange means
A first exchange having a decryption means, IncomingFixed terminalTo provide location information to
Charging means,TheIncomingFixed terminalAccommodating the first exchange
WhenTheIncomingFixed terminalExchange information betweenTheFirst exchange
The location information acquired via the deviceFixed terminalTo provide
A second exchange having a second exchange means IncomingFixed terminalIs Information is exchanged via the second exchange means of the second exchange.
Communication means, Position information receiving means for acquiring position information from the second exchange
When, A display hand that displays the position information acquired by the position information receiving means.
Position information service system characterized by having steps
Mu. 6. The position information service system according to claim 1, further comprising an authenticating means for authenticating the originating fixed terminal in the first exchange which accommodates the originating fixed terminal of the exchange network. 7. An outgoing call having an outgoing call terminal communication meansFixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
In a system consisting of a switching network that sets up calls between communication means
The location information service method that provides location information
hand, OutgoingFixed terminalAt The location information of the own terminal is encrypted with a key and encrypted on the exchange network.
Conversionlocation informationTo send In the switching network, OutgoingFixed terminalWhen the encrypted location information is received from
To the decryption center provided independently of
Location information by issuing a decryption request
Get the news, IncomingFixed terminalCharge for Receive location informationFixed terminalSent to IncomingFixed terminalThen Characterized by acquiring location information from the switching network and displaying it
Location information service method. 8. A call having a caller communication meansFixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
In a system consisting of a switching network that sets up calls between communication means
The location information service method that provides location information
hand, OutgoingFixed terminalAt The location information of the own terminal is encrypted with a key and encrypted on the exchange network.
Location informationToSend, In the switching network, OutgoingFixed terminalIn a first exchange that accommodatesTheOutgoing
Fixed terminalDecrypt the encrypted location information obtained from
Turned into IncomingFixed terminalAt the second exchange that accommodates
Fixed terminalTo provide location information to Receives location information obtained from the first exchangeFixed terminalTo
Offering, IncomingFixed terminalThen Characterized by acquiring location information from the switching network and displaying it
Location information service method. 9. An outgoing call having an outgoing call terminal communication means.Fixed terminal
And an incoming call having a communication means for the receiving terminalFixed terminalAnd the terminal
In a system consisting of a switching network that sets up calls between communication means
The location information service method that provides location information
hand, OutgoingFixed terminalToCallLocation information setting end connected when setting
At the end, enter the location information locally, Send encrypted location information by encrypting location informationFixed terminalTo
Send out, OutgoingFixed terminalThen, while holding the encrypted position information,
Send it to the switching network, In the switching network, OutgoingFixed terminalWhen the encrypted location information is received from
To the decryption center provided independently of
Location information by issuing a decryption request
Get the news, IncomingFixed terminalCharge for Receive location informationFixed terminalSent to IncomingFixed terminalThen Characterized by acquiring location information from the switching network and displaying it
Location information service method. 10. A position information in a system comprising an outgoing fixed terminal having outgoing terminal communication means, an incoming fixed terminal having incoming terminal communication means, and a switching network for setting up a call between the communication means of the terminals. In the location information service method, the location information setting terminal, which is connected to the originating fixed terminal at the time of call setup, inputs the location information locally and sends the encrypted location information to the originating fixed terminal by encrypting the location information. On the other hand, the originating fixed terminal holds the encrypted location information and
Sent to switching network, the switching network, the first exchange that accommodates the calling fixed terminal, the originating
The encrypted position information obtained from the fixed terminal is decrypted using the key, and the incoming call is received at the second exchange that accommodates the incoming fixed terminal.
It is characterized in that the location information obtained from the first exchange is provided to the receiving fixed terminal by charging the provision of the location information to the fixed terminal , and the receiving fixed terminal acquires and displays the location information from the switching network. Location information service method. 11. The position information service method according to claim 7, wherein the originating fixed terminal is authenticated in the first exchange which accommodates the originating fixed terminal of the exchange network. 12. An outgoing fixed end having outgoing terminal communication means.
A location information service program for providing location information to be executed by the originating fixed terminal in a system consisting of an incoming fixed terminal having an end terminal communication means and a communication network of the terminal. The storage fixed medium, the encryption step of encrypting the location information of the own terminal with a key and transmitting the encrypted location information to the switching network.
A storage medium storing a position information service program, which stores a program to be executed at the end . 13. A call origination fixed terminal having a caller terminal communication means, a callee fixed terminal having a callee terminal communication means, and a call origination system in a switching network for establishing a call between the communication means of the terminals. A storage medium that stores a location information service program that provides location information to be executed by a fixed terminal and that is locally input and encrypted at the location information setting terminal that is connected to the terminal at the time of call setup. obtains of positional information, and setting a call to the own terminal, the step of transmitting the encrypted location information to the switching network, the
A storage medium storing a position information service program, which stores a program to be executed by a fixed transmission terminal . 14. A system comprising an outgoing fixed terminal having outgoing terminal communication means, an incoming fixed terminal having incoming terminal communication means, and a switching network for setting up a call between the communication means of the terminals. In the exchange that accommodates the incoming fixed terminal in the network
A storage medium that stores a location information service program that provides location information to be executed . The storage medium is provided independently of the exchange, and decrypts encrypted information using a key and sends it to a decryption center. for,
A decryption request step for issuing a decryption request for the encrypted location information acquired from the originating fixed terminal, and a location information providing step for providing the location information acquired from the decryption center to the destination fixed terminal by the decryption request step.
And flop, and charging step for charging for incoming fixed terminal, the previous
A storage medium storing a position information service program, which stores a program to be executed by a storage exchange. 15. A system comprising an outgoing fixed terminal having outgoing terminal communication means, an incoming fixed terminal having incoming terminal communication means, and a switching network for setting up a call between the communication means of the terminals. A storage medium storing a position information service program for providing position information to be executed by the exchange in the storage device , the storage medium storing the location information service program, which is executed by the first exchange that accommodates the originating fixed terminal , and the cipher received from the originating fixed terminal using a key. Decoding the encrypted location information and acquiring the location information, and providing the location information acquired in the decoding step to the incoming fixed terminal.
A communication step of subjecting, to be executed by the second exchange which accommodates the called fixed terminal, location services program characterized by storing an accounting step performs accounting, the program of for providing location information for incoming fixed terminal A storage medium that stores. 16. An authentication screen for authenticating the legitimacy of a transmitting fixed terminal .
A storage medium storing the position information service program according to claim 14, further executing a step . 17. A system comprising an outgoing fixed terminal having outgoing terminal communication means, an incoming fixed terminal having incoming terminal communication means, and a switching network for establishing a call between the communication means of the terminals, wherein the incoming call is received. to be executed by the fixed terminal, a storage medium storing location information service program for providing location information, comprising the encrypted by calling fixed terminal acquires position information decoded by said switching network, location A step of displaying information, the incoming fixed end
Storage medium storing location information service program characterized and this storing a program to be executed at the end.