JP2001290771A - Method and system for providing service - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily provide services with high reliability and high quality through a network. SOLUTION: A contents provider side server terminal 200 notifies a client terminal 100 of a switched connection destination as connection control information in response to a request from a user, and the terminal 100 is switched and connected to a switched destination server terminal 300 arranged in a closed network having access limitation by performing connection control processing to the switched destination by the terminal 100 in accordance with the connection control information.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a service providing method and system, and more particularly to a service providing method and system for providing various services to a user of a client terminal by exchanging information via a network. .

[0002]

2. Description of the Related Art When providing a predetermined service using various contents from a content provider server terminal to a user client terminal via a network, an open network such as the Internet is widely used. . Thereby, the user connects the client terminal to the desired content provider side server terminal via the open network, and performs a network shopping service for shopping on the network, an IP call service for making a voice call using IP packets, and the like. A wide range of services can be used.

[0003]

However, in such a conventional service providing method, since various kinds of information are exchanged using an open network, there is a problem that a service with high reliability and quality cannot be easily provided. .
For example, in the case of a network shopping service, personal important information such as information (credit card number and password) used for the settlement is required on the user side, and the content provider side such as the selling price of goods is also required to make strategic sales strategies. Important information occurs. In the IP call service, the voice data itself is important information. However, in the open network, since there is a risk that such important information may be leaked to a third party, it is necessary to separately provide a function for encrypting such important information, and a highly reliable service cannot be provided easily. There was a problem.

[0004] In the IP telephone service, in order to realize a smooth conversation, it is necessary to sequentially transfer packetized voice data within a predetermined time interval without loss and to suppress leakage to a third party. However, the above-mentioned open network has a problem that high transmission quality and reliability cannot be obtained and transmission traffic changes greatly, so that a service with high quality and high reliability cannot be easily provided. An object of the present invention is to solve such a problem, and an object of the present invention is to provide a service providing method and a system that can easily provide a reliable and high-quality service via a network.

[0005]

In order to achieve the above object, a service providing method according to the present invention provides a client terminal connected to a network for switching to a connection destination for providing a desired service by a user. Requests connection control information required for switching control to a content provider server terminal connected to the network in response to a request, and accesses the content provider server terminal in response to a request for connection control information from a client terminal. The connection control information indicating the switching destination server terminal for service provision located in the restricted closed network is returned to the client terminal, and the switching destination server is returned to the client terminal based on the connection control information from the content provider side server terminal. The connection destination switching control to the terminal is performed. As the connection control information, the telephone number of the connection destination may be used, or the telephone number of the connection destination and information necessary for user authentication at the connection destination may be used.

[0006] When an operator of the client terminal is called from the client terminal to make an operator connection, the client terminal responds to a user's request for an operator call by the client terminal to the switching destination server terminal connected by the connection switching control. An operator call request is transmitted, and the switchover server terminal notifies the operator call request to the operator client terminal connected in the closed network in response to the operator call request from the client terminal. In response to the operator call request from the server terminal, the fact is displayed, and in response to the response request from the operator, the response request is returned to the switching destination server terminal.
In response to a response request from the operator client terminal,
A response request may be notified to the client terminal of the operator call request source, and the client terminal may display that the operator has been connected to the operator client terminal in response to the response request from the switching destination server terminal.

When data is transmitted from the client terminal to the operator client terminal, it is confirmed that the client terminal is connected to the operator client terminal as the transmission destination in response to a data transmission request from the user. Thereafter, data may be transmitted to the operator client terminal via the switching destination server terminal. When data is transmitted from the operator client terminal to the client terminal, the operator client terminal confirms that the operator is connected to the destination client terminal in response to the data transmission request from the operator, and then switches to the switching destination. Data may be transmitted to the client terminal via the server terminal.

[0008] The data providing system according to the present invention comprises:
A service providing system having a client terminal, a content provider side server terminal, a switching destination server terminal, and an operator client terminal, and providing a service to the client terminal by exchanging information between the terminals via a network, The switching destination server terminal and the operator client terminal are arranged in a closed network in which access is restricted, and transfer data necessary for a service between the client terminal and the operator client terminal using the service providing method. It was made. As data necessary for the service,
Data used for settlement via a network may be transferred, and voice data or moving image data used for a call via a network may be transferred.

[0009]

Next, the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of a service providing system according to an embodiment of the present invention. The service providing system according to the present invention includes a client terminal 100 for a user to receive a desired service via a network;
Client terminal 1 located in open network
00, a content provider side server terminal 200 that provides a predetermined service by transmitting connection control information to
It comprises a switching destination server terminal 300 and an operator client terminal 400 arranged in a closed network 500 with restricted access. Note that an open network refers to a network that has no access restrictions, such as the Internet. In addition, the closed network 50
For 0, a device that is physically separated from the open network and provided separately may be used, and although it is physically connected to the open network, its reliability (quality) is logically (technically) high. A network that can secure (control) the (transmission quality) may be used.

The client terminal 100 includes a connection control information request receiving unit 101, a connection control information acquisition unit 102, a connection control information decoding unit 103, a connection control unit 104, a connection information management unit 105, a display unit 106, and a communication control unit 107. , Data input unit 108, data display unit 109, data transmitting / receiving unit 1
10 and an operator calling / disconnecting unit 111 are provided. The connection control information request receiving unit 101 receives one of switching, disconnection, and switchback requests for a connection destination from a user. When a request is received from the user, the connection control information acquisition unit 102 is notified to acquire connection control information (basic information necessary for switching, disconnection, and failback).

The connection control information is composed of the following information according to the processing. The switching process includes a switching instruction command, a telephone number of a switching destination, an account name and a password required for switching, and information of a screen to be displayed after the switching. Further, the disconnection processing is constituted by a switching instruction command, and the switchback processing is constituted by a switchback instruction command. In the connection control information acquisition unit 102, the connection control information request reception unit 101
When the request is received from the content provider side, the content provider side server terminal 200 is requested for connection control information. When the connection control information is received from the content provider server terminal 200, the connection control information is passed to the connection control information decryption unit 103.

The connection control information decryption unit 103 responds to the connection control information from the connection control information acquisition unit 102 and outputs a command of a processing type (one of switching, disconnection, and switchback). The connection control unit 104 decodes the switching destination telephone number, the account name and password required for switching, and the information on the screen displayed after switching.
Hand over to The connection control unit 104 receives the connection control information decoded by the connection control information decoding unit 103 and outputs an instruction corresponding to the connection type to the communication control unit 107. If the connection type is switching, the current connection destination information (the telephone number before switching, the account name and password required for connection) is requested to the communication control unit 107, and the connection destination information received from the communication control unit 107 is received. The information is passed to the connection information management unit 105. In response to the storage completion notification from the connection information management unit 105, the communication control unit 107 is requested to perform a switching process.

When the connection type is disconnected, the communication control unit 10
7 is requested to be disconnected. If the connection type is failback,
A request for past connection destination information is made to the connection information management unit 105, connection destination information from the connection information management unit 105 is added, and a switchback process is requested to the communication control unit 107. Further, upon receiving the connection / disconnection completion notification from the communication control unit 107, the connection control unit 104 displays a display to that effect on the display unit 106.
To At this time, in the case of the switching process, the information of the screen to be displayed after the switching is also passed to the display unit 106 to instruct the display. When the authentication result (OK / NG) is received from the communication control unit 107, the display unit 106 is instructed to display a message for notifying whether or not the authentication result is acceptable.

In the connection information management unit 105, the connection control unit 1
When the connection destination information is received from the server 04, it is stored. When the accumulation is completed, the fact is notified to the connection control unit 104. When a request for connection destination information is received from the connection control unit 104,
The connection control unit 10 stores the connection destination information stored and stored in the past.
Hand over to 4. When the display unit 106 receives an instruction to display a message or information about a screen to be displayed after switching from the connection control unit 104, the display unit 106 displays a screen corresponding to the instruction.

The communication control unit 107 includes a connection control unit 104
When a request for connection control processing (switching, disconnection, and failback) is received from, the following processing is performed according to the processing type (switching, disconnecting, and failback). In the case of the switching process, after performing the process of disconnecting the communication with the content provider side server terminal 200, the process of connecting the communication with the switching destination server terminal 300 (for example, the dial-up connection process) is performed. In the case of disconnection processing, disconnection processing with the content provider side server terminal 200 is performed. In the case of the switchback processing, after performing the disconnection processing with the switching destination server terminal 300 based on the received past connection destination information, the processing returns to the designated connection destination (the content provider side server terminal 200). Perform connection processing. When a request for current connection destination information is received from the connection control unit 104, the information is collected and passed to the connection control unit 104. Content provider side server terminal 200 or switching destination server terminal 3
The authentication result (OK / NG) received from 00 is notified to the connection control unit 104.

When receiving a data transmission request and data from the data transmission / reception unit 107, the communication control unit 107 confirms that an operator connection has been established. If OK, the data is transmitted to the switching destination server terminal 300. In this case, the operator instructs the operator calling / cutting unit 111 to display a message indicating that the data cannot be transmitted. Switching destination server terminal 300
When receiving the data transmission request and the data from, the data transmission request and the data are transmitted to the data transmission / reception unit 110. When the connection request and the address information of the operator client terminal 400 are received from the operator calling / disconnecting unit 111, they are transmitted to the switching destination server terminal 300. Switching destination server terminal 300
This is notified to the operator calling / disconnecting unit 111 in response to the response notification from. In response to the disconnection notification from the operator calling / disconnecting unit 111, this is switched to the switching destination server terminal 300.
Send to In response to the disconnection notification from the switching destination server terminal 300, this is notified to the operator calling / disconnecting unit 111. In response to the disconnection completion notification from the switching destination server terminal 300, this is notified to the operator calling / disconnecting unit 111.

The data input unit 108 receives data (such as a credit card number) input by the user and passes the data to the data transmitting / receiving unit 100. Data display section 109
Then, a display instruction and data to be displayed are received from the data transmitting / receiving unit 110, and the data is displayed. When receiving data from the data input unit 108, the data transmitting / receiving unit 110 passes a data transmission request and the data to the communication control unit 107. In the operator calling / disconnecting unit 111,
Upon receiving the operator call request and the address information of the operator client terminal 400 from the user, they pass these to the communication control unit 107. When an operator disconnection request is received from the user, the request is passed to the communication control unit 107.

In response to the response notification from the communication control unit 107, the data transmission / reception unit 110 displays a message to that effect and performs connection processing between clients. In response to the disconnection notification from the communication control unit 107, a message to that effect is displayed and disconnection processing between the clients is performed. In response to the disconnection completion notification from the communication control unit 107, a message to that effect is displayed. When data is transmitted during a period other than the period during which the operator is connected, a message to that effect and a display instruction are received from the communication control unit 107 and displayed.

The content provider server terminal 200 has a connection control information receiving unit 201 and a connection control information management unit 2
02, a connection control information notification unit 203, a communication control unit 204, and an authentication unit 205. Upon receiving the request for connection control information from the client terminal 100, the connection control information receiving unit 201 requests the connection control information management unit 202 to transmit the specified connection control information to the client terminal 100. When the connection control information management unit 202 receives a request from the connection control information reception unit 201,
The designated connection control information is transmitted to the connection control information notification unit 203. The connection control information notification unit 203 transmits the connection control information received from the connection control information management unit 202 to the client terminal 100.

Upon receiving a connection or disconnection request from the communication control unit 107 of the client terminal 100, the communication control unit 204 performs the specified process. When a request for connection processing is received from the client terminal 100, information (account name and password) necessary for connection is received from the client terminal 100, and a request for authentication processing is made to the authentication unit 205. If the result of the authentication process returned from the authentication unit 205 is OK, the connection is established, and if NO, the connection is disconnected. Upon receiving the request for the authentication process, the account name, and the password from the communication control unit 204, the authentication unit 205 performs a matching process with the stored data. Here, if a match is found, OK is sent to the communication control unit 204 as a result of the authentication process, and if not, NO is sent to the communication control unit 204.
Note that the communication control unit 204 and the authentication unit 205 do not need to be provided in the content provider server terminal 200, and may be on the same network as the content provider server 200 terminal.

The switching destination server terminal 300 is provided with a communication control unit 301 and an authentication unit 302. The communication control unit 301 performs a process instructed when a process request is received from the client terminal 100. When a request for connection processing is received, information necessary for connection (account name and password) is received from the client terminal 100, and a request for authentication processing is made to the authentication unit 302. Authentication unit 30
If the result of the authentication process returned from step 2 is OK, the connection is established, and if NO, the connection is disconnected. When a data transmission request and its data are received from the client terminal 100, the data is transmitted to the operator client terminal 400. When a data transmission request and its data are received from the operator client terminal 400, the client terminal 100
Send data to.

When the switching destination server terminal 300 receives the operator connection request and the address information of the operator client terminal 400 from the client terminal 100, it determines the transfer destination based on the address information, and sends the destination to the operator client terminal 400. Send a connection request. When a disconnection request or disconnection completion notification is received from the client terminal 100, it is transferred to the operator client terminal 400. In response to a response notification from the operator client terminal 400, the client terminal 10
Responds to 0. When a disconnection notice or a disconnection completion notice is received from the operator client terminal 400, it is transferred to the client terminal 100. Upon receiving the request for the authentication process, the account name, and the password from the communication control unit 301, the authentication unit 302 performs a matching process with the held data. If they match, OK is transmitted to the communication control unit 301 as a result of the authentication processing, and if they do not match, NO is transmitted.

The operator client terminal 400 has:
A data input unit 401, a data display unit 402, a data transmission / reception unit 403, a network unit 404, and an operator response / disconnection unit 405 are provided. Data input unit 40
In step 1, data (for example, personal information of a user, a special sales price, etc.) input from an operator is received and passed to the data transmitting / receiving unit 403. The data display unit 402 receives a display instruction and data from the data transmission / reception unit 403 and displays the data. The data transmission / reception unit 403 passes a data transmission request and the data to the network unit 404 according to the data from the data input unit 401. In response to the data from the network unit 404, the data and the display instruction are passed to the data display unit 402.

Upon receiving the data transmission request and the data from the data transmission / reception unit 403, the network unit 404 checks whether or not the user is connected to the transmission destination user.
In the case of (1), the data is transmitted to the switching destination server terminal 300, and in the case of NG, an instruction to display a message to the effect that the data cannot be transmitted is instructed to the operator response / disconnection unit 405. In response to a call request from the switching destination server terminal 300, a call is notified to the operator response / disconnection unit 405. Operator response /
In response to the response notification, the disconnection notification, or the disconnection completion notification from disconnection unit 405, the notification is sent to switching destination server terminal 300. In response to the disconnection notification or disconnection completion notification from the switching destination server terminal 300, the notification is sent to the operator response / disconnection unit 405.

When the operator responds or disconnects the call from the operator, the operator response / disconnection unit 405 notifies the network unit 404 of the response. In response to the call notification from the network unit 404, a message to that effect is displayed, and connection processing between the clients is performed. In response to the disconnection notification from the network unit 404, the network unit 404 is notified of disconnection completion. Network unit 404
Is displayed in response to the disconnection completion notification from. When data is transmitted during a period other than the period during which the operator is connected, a message to that effect and a display instruction are received from the network unit 404 and displayed.

Next, referring to FIG. 1, a description will be given of a connection destination switching operation as an operation of the service providing system according to the embodiment. Hereinafter, the client terminal 10 connected to the content provider side server terminal 200 will be described.
A case in which 0 is switched to the switching destination server terminal 300 designated by the content provider server terminal 200 will be described. First, the connection control information request receiving unit 101 of the client terminal 100 receives a request for connection control information relating to switching from the user, and makes a request for connection control information to the connection control information acquisition unit 102 (step 1). The connection control information required here includes a switching instruction command, a telephone number to be switched, an account name and password required for switching,
Information for calling a screen to be displayed after switching is included.

The connection control information acquisition unit 102 makes a request for connection control information to the content provider side server terminal 200 in response to a request for connection control information from the connection control information request receiving unit 101 (step 2). In the content provider side server terminal 200, the connection control information request from the client terminal 100 is received by the connection control information receiving unit 201, and the connection control information receiving unit 201 sends the connection control information request to the connection control information managing unit 202. (Step 3). In response, the connection control information management unit 202 passes the connection control information to the connection control information notification unit 203 (Step 4). The connection control information notifying unit 203 transmits the connection control information to the client terminal 100 (Step 5).

In the connection control information acquisition section 102 of the client terminal 100, the content provider side server terminal 200
From the connection control information decoding unit 103
(Step 6). The connection control information decrypting unit 103 decrypts the switching destination telephone number, account name and password, and display screen information from the content of the received connection control information, and passes the decrypted result to the connection control unit 104 (step 7). In response, the connection control unit 104 requests the communication control unit 107 to acquire information on the currently connected connection destination (connection destination telephone number, account name, and password) (step 8). The communication control unit 107 collects connection destination information about the currently connected connection destination, and
4 (step 9).

The connection control unit 104 transfers the connection destination information received from the communication control unit 107 to the connection information management unit 105 (Step 10). The connection information management unit 105 stores and stores the received connection destination information, and notifies the connection control unit 104 that the connection destination information has been stored (step 11). In response, the connection control unit 104 instructs the communication control unit 107 to perform a switching process (step 12). The communication control unit 107 disconnects the communication with the communication control unit 204 of the content provider side server terminal 200 in response to the switching processing instruction (step 13). Then, a connection process is performed on the switching destination server terminal 300 (step 14).

Communication control unit 30 of switching destination server terminal 300
In response to a connection request from the client terminal 100, the client 1 requests the authentication unit 302 to perform authentication processing so as to check the account name and password received at that time (step 15). In response to this, the authentication unit 302 checks the account name and the password, and notifies the communication control unit 301 of OK if the password matches the password registered in advance and NG if the password does not match (step 16). ). The communication control unit 301 transmits the authentication result (OK / NG) received from the authentication unit 302 to the client terminal 10.
0 (step 17).

Communication control unit 10 of client terminal 100
7 receives the authentication result from the switching destination server terminal 300 and passes the authentication result to the connection control unit 104 (Step 18). If the authentication result indicates NG, disconnection processing with the switching destination server terminal 300 is performed. The connection control unit 104 instructs the display unit 106 to display the authentication result received from the communication control unit 107 (Step 19). When the authentication result indicates OK, the display unit 106 is instructed to display the display screen information received from the switching destination server terminal 300 simultaneously with or after the authentication result.

In this way, in response to a request from the user, the content provider side server terminal 200 notifies the client terminal 100 of the switching connection destination as connection control information, and in response thereto, the connection control processing for the switching destination. Is performed by the client terminal 100 so that the connection is switched to the service providing switching destination server terminal 300 disposed in the closed network with access restriction, so that the open network is used as in the conventional service providing method. As compared with the case where various kinds of information are exchanged by using a closed network, a highly reliable and high quality service can be easily provided.

When the connection destination is disconnected at the client terminal 100, the client terminal 100 requests connection control information necessary for disconnection control to the content provider side server terminal 200 in response to a connection destination disconnection request by the user. Then, the content provider side server terminal 200 returns connection control information instructing disconnection control in response to the request for the connection control information, and the client terminal 100 converts the connection control information from the content provider side server terminal 200 to the connection control information. Disconnection control of the connection destination may be performed based on the connection. In the case of switching back the connection destination, the client terminal 100 accumulates connection destination information indicating the original connection destination that has been connected up to that time at the time of connection destination disconnection control, and allows the user to perform subsequent connection switching. In response to a connection destination switchback request, connection control information required for switchback is requested from the content provider side server terminal 200, and the content provider side server terminal 200 performs switchback control in response to the connection control information request. Return connection control information indicating
The client terminal 100 may perform the switchback control of the connection destination to the original connection destination based on the connection destination information previously stored in accordance with the connection control information.

Next, referring to FIG. 2, an operator call / response operation will be described as another operation of the data providing system according to the embodiment. In the following, the client terminal 100 switched to the switching destination server terminal 300 is connected.
, An operator of the operator client terminal 400 is called, and a response from the operator is notified to the client terminal 100. First, the operator calling / disconnecting unit 111 of the client terminal 100
A request for an operator call and the address information of the operator client terminal 400 to be called are received from the user and passed to the communication control unit 107 (step 21). The communication control unit 107 transmits the operator call request and the address information to the switching destination server terminal 300 (Step 22).

Communication control unit 30 of switching destination server terminal 300
1 receives an operator call request and address information from the client terminal 100, determines a transfer destination in the closed network 500, here the operator client terminal 400, from the address information, and transmits the received operator call request to the transfer destination. (Step 23).
Network section 4 of operator client terminal 400
04 receives the operator call request from the switching destination server terminal 300 and notifies the operator response / disconnection unit 405 of this (step 24). Operator response / disconnection unit 4
05 displays to the operator that there is a call from the client terminal 100 in response to this.

When the operator makes a response request to this call, the operator response / disconnection unit 405 passes the response request to the network unit 404 (step 2).
5). In response to this, the network unit 404 transmits the response request to the switching destination server terminal 300 (step 2).
6). The communication control unit 301 of the switching destination server terminal 300
The response request from the operator client terminal 400 is received and transferred to the client terminal 100 (step 2).
7). The communication control unit 107 of the client terminal 100
The response request from the switching destination server terminal 300 is received, and the response request is notified to the operator calling / cutting unit 111 (step 28). As a result, the client terminal 100 is operator-connected to the operator client terminal 400 via the switching destination server terminal 300, and the operator calling / disconnecting unit 1 is connected.
At 11, a message indicating that the operator has responded is displayed.

Next, a data transmission / reception operation will be described as another operation of the data providing system according to the embodiment with reference to FIG. Hereinafter, a case where data used for settlement in a network shopping service or the like is exchanged between the client terminal 100 and the operator client terminal 400 connected to the operator will be described. First, the data input unit 108 of the client terminal 100 receives data (for example, a credit card number) input by the user, and
0 (step 31). The data transmitting / receiving unit 110
In response, the data and the transmission request for the data are transferred to the communication control unit 107 (step 32).

The communication control unit 107 includes a data transmitting / receiving unit 11
When a data transmission request and data are received from 0, it is confirmed whether an operator connection is established. If OK, the data is transmitted to the switching destination server terminal 300 (step 33). If NG, data is transmitted to the operator calling / disconnecting unit 111. Instruct the user to display a message stating that it is not possible. The communication control unit 301 of the switching destination server terminal 300 receives a data transmission request and data from the client terminal 100,
Transfer to the operator client terminal 400 (step 34). The network unit 404 of the operator client terminal 400 receives the data transmission request and the data from the switching destination server terminal 300,
(Step 35). In response, the data transmission / reception unit 403 instructs the data display unit 402 to display data (step 36). Thereby, the data display unit 40
2 displays the data.

The data input unit 401 of the operator client terminal 400 receives data (for example, personal information of a user, a special price, etc.) input from the operator, and passes the data to the data transmitting / receiving unit 403 (step 3).
7). In response, data transmission / reception section 403 passes the data and the transmission request for the data to network section 404 (step 38). Upon receiving the data transmission request and the data from the data transmitting / receiving unit 403, the network unit 404 checks whether the user is connected to the operator,
In the case of OK, the data transmission request and the data are transmitted to the switching destination server terminal 300 (step 39). In the case of NG, an instruction is given to the operator response / disconnection unit 405 to display a message to the effect that data cannot be transmitted.

Communication control unit 30 of switching destination server terminal 300
1 receives a data transmission request and data from the operator client terminal 400, and
(Step 40). Client terminal 100
The communication control unit 107 receives the data transmission request and the data from the switching destination server terminal 300, and
10 (step 41). Data transmission / reception unit 110
Sends an instruction to the data display unit 109 to display data (step 42). As a result, the data is displayed on the data display unit 109.

As described above, since the operator client terminal is arranged in the closed network and data is exchanged with the client terminal of the user, unauthorized access from a third party can be restricted, and the open network can be established. Leakage to a third party can be easily and significantly suppressed as compared with the case of using. Therefore, it is possible to transfer highly reliable personal important information of users such as credit card numbers and strategic information of the content provider such as special sales prices with high reliability, as well as unauthorized alteration or deletion of such important information. Action can be greatly suppressed.

In the above, the case of exchanging data used for settlement of the network shopping service has been described, but the present invention is not limited to this. For example,
Data input unit 40 of operator client terminal 400
1 and the data display unit 402 are regarded as a database system in which various types of information are stored, target data is designated from the client terminal 100, and the database is operated on the operator client terminal 400 (for example, reference, deletion, change, etc.). Can also be performed.

Next, referring to FIG. 4, an operator disconnection operation will be described as another operation of the data providing system according to the embodiment. Hereinafter, a case where the operator-connected client terminal 100 and operator client terminal 400 are disconnected will be described. First,
Operator calling / disconnecting unit 11 of client terminal 100
Upon receiving the operator disconnection request from the user, 1 notifies the communication control unit 107 of this (step 5).
1). In response to this, the communication control unit 107 transmits the operator disconnection request to the switching destination server terminal 300 (Step 52).

Communication control unit 30 of switching destination server terminal 300
1 receives the operator disconnection request from the client terminal 100 and transfers it to the operator client terminal 400 (Step 53). Operator client terminal 4
The network unit 404 receives the disconnection notification and passes it to the operator response / disconnection unit 405 (step 5).
4). In response to this, the operator response / disconnection unit 405 displays a message indicating a disconnection request, performs disconnection processing between clients, and notifies the network unit 404 of disconnection completion (step 55). The network unit 404 transmits a disconnection completion notification from the operator response / disconnection unit 405 to the switching destination server terminal 300 (Step 56).

Communication control unit 30 of switching destination server terminal 300
1 receives the disconnection completion notification from the operator client terminal 400 and passes it to the client terminal 100 (step 57). The communication control unit 107 receives the disconnection completion notification and notifies the operator calling / disconnection unit 111 of the disconnection completion (step 58). As a result, a message to that effect is displayed in the operator calling / cutting unit 111.

In FIG. 3, the case where data used for settlement of the network shopping service is exchanged has been described. However, if voice data is used as this data, an IP telephone service can be realized. FIG. 5 shows a system for providing an IP call service by transmitting and receiving voice data as another operation of the data providing system according to the embodiment. In the figure, the same or equivalent parts as those in FIG. 3 are denoted by the same reference numerals. The client terminal 100 includes a voice input unit 121, a voice output unit 122, and a voice encoding / decoding unit 123 instead of the data input unit 108, the data display unit 109, and the data transmission / reception unit 110. The operator client terminal 400 has a data input unit 401, a data display unit 40
2 and a data transmission / reception unit 403, a voice input unit 411, a voice output unit 412, and a voice encoding / decoding unit 41.
3 are provided.

Next, a data transmission / reception operation will be described as another operation of the data providing system according to the embodiment with reference to FIG. Hereinafter, a case where voice data is exchanged between the client terminal 100 and the operator client terminal 400 connected to the operator will be described. First, the voice input unit 121 of the client terminal 100 detects the input voice signal and detects the voice code /
It is passed to the decryption unit 123 (step 61). The audio encoding / decoding unit 123 encodes and packetizes the audio signal from the audio input unit 121, and passes the audio data and a transmission request for the data to the communication control unit 107 (step 6).
2).

The communication control unit 107 includes a voice coding / decoding unit 1
When a data transmission request and voice data are received from 23, it is confirmed whether or not an operator connection is established, and if OK, the data is transmitted to the switching destination server terminal 300 (step 63).
In the case of NG, it instructs the operator calling / cutting unit 111 to display a message indicating that data cannot be transmitted.
The communication control unit 301 of the switching destination server terminal 300 receives the data transmission request and the voice data from the client terminal 100 and transfers them to the operator client terminal 400 (Step 64). Operator client terminal 4
00, the network unit 404 of the switching destination server terminal 30
The data transmission request and the audio data are received from 0 and passed to the audio encoding / decoding unit 413 (step 65). In response, the audio encoding / decoding unit 413 decodes the audio data to generate an audio signal, and transfers the audio signal to the audio output unit 412 (step 66). As a result, a voice signal of the user is output from the voice output unit 412.

The voice input unit 411 of the operator client terminal 400 detects the voice signal of the operator and outputs it to the voice coding / decoding unit 413 (step 67). In response, the audio encoding / decoding unit 413 generates the audio input unit 41
The audio signal from 1 is encoded and packetized,
The voice data and the transmission request for the data are transferred to the network unit 404 (step 68). Network part 4
04 receives the data transmission request and the voice data from the voice encoding / decoding unit 413, confirms whether the user is connected to the operator, and if OK, transmits the data transmission request and the voice data to the switching destination server terminal 300. (Step 69), and in the case of NG, an operator response /
It instructs the disconnection unit 405 to display a message indicating that data cannot be transmitted.

Communication control unit 30 of switching destination server terminal 300
1 receives a data transmission request and voice data from the operator client terminal 400, and
00 (step 70). Client terminal 1
The communication control unit 107 of 00 receives the data transmission request and the audio data from the switching destination server terminal 300 and passes them to the audio encoding / decoding unit 123 (Step 71). The audio encoding / decoding unit 123 decodes the audio data to generate an audio signal, and passes it to the audio output unit 122 (Step 72). As a result, the voice output unit 122 outputs the voice signal of the operator.

As described above, since the operator client terminal is arranged in the closed network and the voice data is exchanged with the client terminal of the user, the usage status of the network is compared with the case where the open network is used. Traffic can be controlled easily. Therefore, packetized voice data can be sequentially transferred at predetermined time intervals without loss, and leakage to a third party can be significantly suppressed.
Quality and reliable service can be provided easily.
In particular, by using the IP call service between the operator and the user as shown in FIG. 5 described above, it is possible to respond to inquiries and consultations from the user on the network by voice, and the network such as network shopping can be established. When used together with the various services used, extremely effective services can be provided.

In the above, the case of exchanging voice data used for a telephone call via a network has been described, but the present invention is not limited to this. For example, moving image data obtained by imaging a user or an operator may be exchanged. In this case, in FIG. 5, a moving image input unit is provided instead of the sound input units 121 and 411, and a moving image output unit is provided instead of the sound output units 122 and 412, and the sound encoding / decoding units 123 and 423 are provided. May be provided instead of the moving image encoding / decoding unit, and the same operation and effect as in the case of the audio data described above can be obtained. In addition, the moving image input unit,
The moving image output unit and the moving image encoding / decoding unit also process the audio data, so that the moving image data and the audio data may be simultaneously exchanged. Further, the moving image data and the audio data are not limited to those used for a telephone call, and may be, for example, data for introducing a product.

[0053]

As described above, according to the present invention, a client terminal connected to a network provides connection control information necessary for switching control in response to a switching request from a user to a connection destination that provides a desired service. To the content provider side server terminal connected to the network, and the content provider side server terminal provides a service arranged in a closed network with access restrictions in response to a request for connection control information from a client terminal. Connection control information indicating the switching destination server terminal for
Since the client terminal controls connection destination switching to the switching destination server terminal based on the connection control information from the content provider side server terminal, there is a risk that important information leaks to third parties as in the past. As compared with the case of using an open network that cannot obtain high transmission quality, a service with high reliability and quality can be easily provided.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a service providing system (switching operation) according to an embodiment of the present invention.

FIG. 2 is a block diagram showing another operation (operator call / response operation) of the service providing system of FIG. 1;

FIG. 3 is a block diagram showing another operation (data transmission / reception operation) of the service providing system of FIG. 1;

FIG. 4 is a block diagram showing another operation (operator disconnection operation) of the service providing system of FIG. 1;

FIG. 5 is a block diagram showing another operation (audio data transmission / reception operation) of the service providing system of FIG. 1;

[Description of Signs] 100: Connection control information request reception unit, 101: Connection control information request reception unit, 102: Connection control information acquisition unit, 103:
Connection control information decoding unit, 104: connection control unit, 105: connection information management unit, 106: display unit, 107: communication control unit,
108 data input unit, 109 data display unit, 110
... data transmission / reception unit, 111 ... operator calling / disconnection unit
121: voice input unit, 122: voice output unit, 123: voice encoding / decoding unit, 200: content provider server terminal, 201: connection control information receiving unit, 202: connection control information management unit, 203: connection control information Notifying unit, 204: communication control unit, 205: authentication unit, 206: switching destination number management unit
300: switching destination server terminal, 301: communication control unit, 30
2 ... authentication unit, 400 ... operator client terminal, 4
01 data input unit, 402 data display unit, 403
Data transmission / reception unit 404 Network unit 405 Operator response / disconnection unit 411 Voice input unit 412
Audio output unit, 413: audio encoding / decoding unit.

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hideya Okazaki 1-6-1 Uchisaiwaicho, Chiyoda-ku, Tokyo NTT Communications Corporation (72) Inventor Shogo Orikasa Uchisaiwaicho, Chiyoda-ku, Tokyo 1-6-1-6 NTT Communications Co., Ltd. (72) Inventor Akira Ono 1-6-1-6 Uchisaiwaicho, Chiyoda-ku, Tokyo NTT Communications Co., Ltd. (72 Inventor Toru Hasegawa 1-6 Uchisaiwai-cho, Chiyoda-ku, Tokyo F-term in NTT Communications Corporation (reference) 5B085 AE04 BG07 5B089 GA11 GA21 HA10 JA22 JB22 KA17 KB03 KB13 KC57 KC58 5K101 KK18 MM07 NN06 NN07 NN15 NN18 NN21 QQ07 TT06

Claims (10)

[Claims] In a service providing method for providing a service to a user by exchanging information via a network, a client terminal connected to the network switches to a connection destination for providing a desired service by the user. In response to the request, the connection request information required for the switching control is requested to the content provider side server terminal connected to the network, and the content provider side server terminal responds to the request for the connection control information from the client terminal. And returning connection control information indicating a switching destination server terminal for service provision located in a closed network with access restriction to the client terminal, wherein the client terminal performs the connection from the content provider side server terminal. Performs connection destination switching control to the switching destination server terminal based on control information A service providing method. 2. The service providing method according to claim 1, wherein a telephone number of a connection destination is used as the connection control information. 3. The service providing method according to claim 1, wherein a telephone number of a connection destination and information necessary for user authentication at the connection destination are used as the connection control information. 4. The service providing method according to claim 1, wherein the client terminal sends the operator call request to the switching destination server terminal connected by the connection switching control in response to a user's request for an operator call. Transmitting, the switching destination server terminal, in response to the operator call request from the client terminal, notifies the operator call request to an operator client terminal connected in the closed network, the operator client terminal, In response to an operator call request from the switching destination server terminal, a message to that effect is displayed, and in response to a response request from the operator, the response request is returned to the switching destination server terminal. The response request of the operator, Notifies the response request to the client terminal, said client terminal, a service providing method characterized by in response to the response request from the switching destination server terminal displays that the is operator client terminal and operator connections. 5. The service providing method according to claim 4, wherein, in response to a data transmission request from a user, the client terminal confirms that the operator terminal is connected to the operator client terminal to which the data is transmitted. And transmitting the data to the operator client terminal via the switching destination server terminal. 6. The service providing method according to claim 4, wherein after confirming that the operator client terminal is connected to the client terminal as the transmission destination in response to an operator's data transmission request. Transmitting the data to the client terminal via the switching destination server terminal. 7. A client terminal, a content provider server terminal, a switching destination server terminal, and an operator client terminal, wherein a service is provided to the client terminal by exchanging information between the terminals via a network. A service providing system, wherein the switching destination server terminal and the operator client terminal are arranged in an access-restricted closed network, and using the service providing method according to claim 1, wherein the client terminal and the operator client terminal A service providing system for transferring data required for a service to and from an operator client terminal. 8. The service providing system according to claim 7, wherein data used for settlement via a network is transferred as data required for the service. 9. The service providing system according to claim 7, wherein voice data used for a telephone call via a network is transferred as the data required for the service. 10. The service providing system according to claim 7, wherein moving image data used for a telephone call via a network is transferred as the data necessary for the service.