KR20070016536A - System and Method for Management of Phone-Book by using ENUM Service - Google Patents

Abstract

The present invention relates to a phone book management system and method using an ENUM service.

To this end, the present invention comprises the steps of (a) receiving a phone book from a mobile communication terminal; (b) check whether the additional information of the user listed in the telephone book is provided, and if there is a request for providing the additional information, access the ENUM DNS, retrieve the user's subscriber information, update and save the telephone book, and add If there is no request for providing the information, storing the telephone book received in step (a); (c) checking the phone number update setting and, if the phone number update setting is made, accessing the ENUM DNS at regular intervals and updating the phone book stored in the database; And (d) providing a phone book stored in a database to the mobile communication terminal when a phone book provision request is made.

According to the present invention, it is possible to prevent a situation in which contact is lost due to a change of contact, and even if the mobile communication terminal is lost, the inconvenience of having to manually input contacts of other users manually.

ENUM, Phonebook, UICC, Mobile Phone, Phonebook

Description

System and Method for Management of Phonebook using ENNM Service {System and Method for Management of Phone-Book by using ENUM Service}

1A and 1B schematically illustrate a phone book management system using an ENUM service according to an embodiment of the present invention;

2 is a block diagram schematically illustrating an internal configuration of an ENUM DNS for providing subscriber information according to an embodiment of the present invention;

3 is a block diagram schematically showing an internal configuration of a phone book service server for providing a phone book management service according to an embodiment of the present invention;

4 is a flowchart illustrating a subscriber information retrieval method using an ENUM service according to an embodiment of the present invention;

5 is a flowchart illustrating a phone book storing method using an ENUM service according to an embodiment of the present invention;

6 is a flowchart illustrating a phonebook update service method using an ENUM service according to an embodiment of the present invention;

7 is a flowchart illustrating a phone book backup service method using an ENUM service according to an embodiment of the present invention.

The present invention relates to a phone book management system and method using ENUM (tElephone NUmber Mapping or E.164 NUmber Mapping) services. More specifically, when the subscriber requests the subscriber information search through the representative phone book to the phonebook service system interworking with the ENUM service system, the subscriber information is retrieved through the ENUM service system and provided to the mobile communication terminal. When the phone number is registered, the phonebook service system checks the information change of the user registered in the phonebook through interworking with the ENUM service system, and if there is a change in the information, the phonebook service system transmits the change history to the subscriber's mobile terminal. The present invention relates to a phone book management system and method using an ENUM service for updating a phone book and providing a phone book stored in a phone book service system to a new mobile communication terminal.

As the electronic and communication technologies have made rapid progress, various wireless communication services using wireless networks have been provided. The most basic wireless communication service is a wireless voice call service that provides a voice call to a mobile terminal user wirelessly, and can provide a service regardless of time and place. In addition, wireless Internet services for providing Internet services to users of mobile communication terminals through wireless communication networks have been actively provided.

However, in order to properly receive the wireless voice call service or the wireless Internet service, the mobile communication system accurately checks the terminal information such as customer information for authenticating the subscriber and support chords, resolution, and additional service availability of the mobile communication terminal. shall.

In the conventional IS-95A / B, CDMA 1X, and 1X EV-DO networks, customer information and terminal information were the same concept. Therefore, the terminal information of the customer could be changed only through a processor called device change. Recently, however, customer information and terminal information may be separated by inserting and using a Universal Integrated Circuit Card (UICC) chip including personal information in a mobile communication terminal.

A UICC card is a smart card that can store and process data and information used in mobile communication terminals. It is a micro-processor unit (MPU), memory, and card operating system (COS). It has a built-in security algorithm and EEPROM (Electronically Erasable Programmable Read Only Memory), which means a chip on board (COB) type card with its own operation processing and mass storage. The UICC card used in the mobile communication network includes a subscriber identification module (SIM) card inserted in a GSM terminal, a removable user identity module (R-UIM) inserted in a CDMA terminal, and a universal subscriber identity module (USIM) inserted in a WCDMA terminal. There is a card.

The UICC card includes the ID, location information, encryption key, data service variable values, telephone number (IMSI: International Mobile Subscriber Identity), function and environment variable values, service network information, service table, subscriber authentication key, PIN, and call of the UICC card. Various information such as time and fee information is stored. In addition, when the user replaces the mobile communication terminal, the phone book is also stored in the UICC card to easily move the phone book to the new mobile communication terminal.

However, since such a UICC card is inserted into the mobile communication terminal and used, when the mobile communication terminal is lost, the UICC card is also lost, so that all stored phonebooks are lost. Accordingly, when a user purchases a new mobile communication terminal, there is still an inconvenience of having to input another user's information, a phone number of the mobile communication terminal, an email, a landline phone number, a fax, and the like.

Meanwhile, with the development of the information society, one user has various identification numbers such as name, address, landline telephone number, fax, telephone number of mobile communication terminal, and e-mail. As one user has various identification numbers, it is difficult to memorize all identification numbers. Accordingly, in order to easily recognize other users among users, a technique for integrating a plurality of identification numbers into one is required. In response to these demands, an ENUM (tElephone NUmber Mapping or E.164 NUmber Mapping) service has been proposed to interwork with a general public network telephone numbering system (E.164) with various addressing systems such as mobile terminals, e-mails, faxes, and Internet phones. It was adopted as a standard (RFC 2916) by the Internet Engineering Task Force (IETF). Such ENUM service is disclosed through Korean Patent Publication No. 10-2004-0015775 'ENUM service system and its operation method'.

With the use of ENUM, one user can represent all his information as one representative number. In accordance with the provision of such ENUM service, the mobile phone can be used to search for the phone number of another user, and can easily manage changes in the subscriber information of the other user. There is a need for a phone number management method for easily inputting a new mobile communication terminal.

In order to solve the above problems, the present invention provides a mobile communication terminal to search for subscriber information through the ENUM service system when the subscriber requests a subscriber information search through a representative phone book to the phonebook service system interworking with the ENUM service system. If the phone number is registered in the phonebook service system, the phonebook service system checks the information change of the user registered in the phonebook through interworking with the ENUM service system. The present invention provides a phone book management system and method using an ENUM service that transmits a change history to update a phone book and provides a phone book stored in a phone book service system to a new mobile communication terminal.

In order to achieve the above technical problem, the present invention provides a phone book management system, in the phone book management system for backing up or updating a user's phone book using an ENUM service, the name, address, wired telephone number, A personal information database storing subscriber information and representative number of at least one of a fax, a mobile telephone number and an e-mail; An ENUM DNS that searches for a personal information database and provides subscriber information of the representative number when the representative number is input; A phone book database storing a user's phone book; And a phone book service server managing a phone book stored in the phone book database.

In addition, in order to achieve the second technical problem, the present invention, as a phone book service server, a phone book service server for backing up or updating a user's phone book using an ENUM service, communication with an ENUM DNS providing an ENUM service NIC to provide an interface for the; A program storage unit for storing a phone book management program for searching, storing, modifying and updating a phone book; A database server controlling data input / output of a phonebook database storing a user's phone book; A control unit for managing a phone book stored in the phone book database; And a memory for temporarily storing data processed by the controller.

In order to achieve the third technical problem, the present invention provides a method for providing subscriber information, the method for providing subscriber information of a user who is requested to search using ENUM service, comprising: (a) a search request through an Internet address system; Receiving a representative number of an authorized user; (b) extracting a representative telephone number from the representative number of the Internet address system; (c) searching for the requested subscriber information using the representative telephone number; And (d) providing the retrieved subscriber information.

In order to achieve the fourth technical problem, the present invention provides a phone book backup service method, comprising: (a) a phone book from a mobile communication terminal in a method of backing up a phone book of a mobile communication terminal using an ENUM service; Receiving; (b) Check whether the additional information of the user listed in the telephone book is provided, and if there is a request for providing the additional information, access the ENUM DNS providing the ENUM service, search the user information of the user, and update the telephone book. Storing the telephone directory received in step (a) in the database if there is no request for providing additional information; (c) checking a phone number update setting for updating the phone book and updating the phone book stored in the database by accessing the ENUM DNS at regular intervals when the phone number update setting is set; And (d) checking whether to provide a phone book from the mobile communication terminal, and if there is a request for providing a phone book, providing a phone book stored in a database to the mobile communication terminal.

In order to achieve the fifth technical problem, the present invention provides a method for updating a phone book using a ENUM service, the method comprising: (a) receiving and storing a phone book from a mobile communication terminal in a database; step; (b) accessing an ENUM DNS providing an ENUM service and receiving subscriber information of a user listed in a phone book stored in a database; (c) if the subscriber information is different by comparing the subscriber information received from the ENUM DNS with the telephone book stored in the database, updating the telephone book according to the subscriber information received from the ENUM DSN; And (d) storing the updated telephone book in a database.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1A is a diagram schematically illustrating a phonebook management system using an ENUM service according to an embodiment of the present invention.

According to the present invention, a phone book management system using an ENUM service includes a mobile communication terminal 110 including a UICC card 112, a mobile communication network 120, a gateway 130, an internet network 140, and an ENUM DNS 150. , Personal information database 152, phonebook service server 160, and phonebook database 162.

The mobile communication terminal 110 is a terminal capable of receiving various mobile communication services such as voice call service, text message transmission / reception service, wireless internet service, and the like for the convenience of a user who wants to use voice call and text message transmission / reception service. Provides a phone book containing information such as a landline phone number, a mobile phone number, a fax number, a birthday, an e-mail address.

The phone book is typically stored in the internal memory of the mobile communication terminal, and recently, it is also mounted on the UICC card 112 inserted into the mobile communication terminal for moving the phone book between the mobile communication terminal.

The mobile communication network 120 includes a plurality of wireless base stations 124 and 126 and mobile communication switching centers (MSCs) hereinafter referred to as 'MSCs'. The mobile communication network 120 includes a number of additional services such as a short message service (SMS), a multimedia message (MMS), a video service, a broadcast service, and a game service provided to the mobile communication terminal 110. An additional service server for providing is included.

The wireless base stations 124 and 126 are composed of a base station transmission system (BTS), a base station controller (BSC), a repeater (Cell Enhancer), and the like. ) Or transmits a call signal and a data signal transmitted through the MSC 122 to the mobile communication terminal 110. In addition, the wireless base stations 124 and 126 also perform a location registration function of the mobile communication terminal 110 in the cell area under control.

The MSC 122 performs voice call service processing, additional service processing in association with various additional service servers, location registration procedure and handoff procedure processing, interworking with other networks, and the like. According to the present invention, there is a phone book management request using the ENUM service from the mobile communication terminal 110, and the phone 130 is connected to the phone book service server 160 and the ENUM DNS 150 through the gateway 130 and the Internet network 140. It performs a relay role of providing the mobile communication terminal 110 with a service such as backup of a directory, calling a stored phone book, updating a phone book, and retrieving subscriber information.

The gateway 130 converts the WAP protocol and the Internet TCP / IP (Transmission Control Protocol / Internet Protocol) protocol to each other to perform a function of connecting the mobile communication network 120 and the Internet network 140.

ENUM Domain Name System (DNS) 150 identifies the subscriber using the representative number, and the name, address, landline phone number, fax, and telephone number of the mobile terminal of the subscriber stored in the personal information database 152. A server that provides information such as e-mail. In addition, the ENUM DNS 150 also modifies the subscriber information stored in the personal information database 152 according to the subscriber's request for data information modification.

ENUM DNS 150 is composed of Layer 1 and Layer 2, and further includes a Session Initiation Protocol (SIP) server. Layer 1 creates a country code zone file and stores location information in layer 2 for phone numbers in the zone file. Layer 2 stores ENUM service information in the form of Naming Authority Pointer (NARTR) to perform a service information return for an ENUM number query. Here, NARTR is a DNS resource record (RR) used to translate multiple naming schemes.

Here, the internal configuration and function of the ENUM DNS 150 will be described in detail with reference to FIG. 2.

The personal information database 152 is a database that stores subscriber information of users who have subscribed to the ENUM service. That is, the personal information database is a database that stores information such as the subscriber's representative number, the subscriber's name, address, landline telephone number, fax, telephone number of the mobile communication terminal, and e-mail. According to the stored subscriber information to the ENUM DNS (150).

The phone book service server 160 stores the phone book in the phone book database 162 or modifies the stored contents and requests the UICC card (for a predetermined period) according to a request from the mobile communication terminal 110 through the Internet network 140. If the phone book stored in 112 and the phone book stored in the phone book database 162 are different from each other, the phone number stored in the UICC card 112 is updated, and if there is a request for providing the phone book or subscriber information, the stored contents are provided. It plays a role. In addition, the phone book service server 160 may interwork with the ENUM DNS 150 to compare the subscriber information stored in the personal information database 152 and the phone book database 162 on a predetermined period basis, and then, if different, to the phone book database 162. It also modifies the stored subscriber information and plays an update role that matches the contents stored in the personal information database 152.

Here, the internal configuration and function of the phone book service server 160 will be described in detail with reference to FIG. 3.

The phone book database 162 is a database storing a phone book in response to a phone number storage request from the mobile communication terminal 110 according to the present invention, and a phone book service server 160 stored in accordance with the phone book storage and provision request. It serves as).

Here, for storing, calling, and modifying subscriber information stored in the phone book and personal information database 152 stored in the phone book database 162, a general telephone or a computer may be used in addition to the mobile communication terminal 110. In addition, it is preferable that the subscriber can be directly connected to a general telephone, fax, computer, etc. through the representative number. To this end, the phone book service server 160 and the ENUM DNS 150 are connected to a general telephone, a fax, and the like through the internet network 140, the gateway 172, and the public switched telephone network (PSTN) 174.

In the above description, according to the present invention, the phone book service server 160 providing the phone book storage, the phone book update and the phone book backup service, and the phone book database 162 storing the phone book are the Internet network 140 and the ENUM. Although it may be directly connected to the DNS 150, if the mobile phone service provider only provides the phone book management service according to the present invention, it may be located in the mobile communication network 120 and connected to the MSC 122 as an additional service server. .

FIG. 1B schematically illustrates a phone book management system using an ENUM service in which a phone book service server and a phone book database are located in a mobile communication network according to an embodiment of the present invention.

The phone book service server 160 is connected to the MSC 122 and is connected to the ENUM DNS 150 through the MSC 122, the gateway 130, and the Internet network 140. Accordingly, the phone book service server 160 attempts to connect to the ENUM DNS 150 periodically through the MSC 122 to check whether there is a change in subscriber information, and if there is a change in subscriber information, the gateway 130. And the change history from the ENUM DNS 150 through the MSC 122, and the contents stored in the phonebook database 162 must be updated.

Here, when the phone book is stored in the general telephone, the phone book service server 160 and the phone book database 162 according to the present invention may be located in the PSTN 174.

1A and 1B, the phonebook service server 160 and the ENUM DNS 150 may be implemented as one server, and the personal information database 152 and the phonebook database 162 may be implemented as one database. Can be. In addition, when the phone book service server 160 is implemented in the mobile communication network 120 as illustrated in FIG. 1B, the phone book service server 160 may be included in the MSC 122. In this case, the phone book database 162 may be implemented by being included in a home location register (HLR) (not shown) of the mobile communication network 120.

2 is a block diagram schematically illustrating an internal configuration of an ENUM DNS for providing subscriber information according to an embodiment of the present invention.

The ENUM DNS 150 according to the present invention includes a network interface card (NIC) 210, a protocol identification unit 220, a data processing unit 230, a search unit 240, and a database server unit 250. do.

The NIC 210 is a communication module that provides a communication interface for communication with the Internet network 140, the phonebook service server 160, and other ENUM DNS.

The protocol identification unit 220 changes the Internet address system and checks the forwarded E.164 representative number. Here, the Internet address system refers to an address converted so that the representative telephone number can be transmitted through the Internet network. For example, if the representative phone number is + 82-42-821-5447, the ENUM converted to the Internet address system would be 7.4.4.5.1.2.8.2.4.2.8.e164.arpa. Accordingly, the protocol identification unit 220 is + 82-42-821, which is the original representative telephone number from ENUM delivered to 7.4.4.5.1.2.8.2.4.2.8.e164.arpa via the Internet network 140. It is responsible for extracting -5447.

When the representative phone number is confirmed through the protocol identification unit 220, the data processor 230 requests the searcher 240 to search for subscriber information of a user having the representative phone number. In addition, the subscriber information is stored in response to a request for storing, modifying, or calling subscriber information through the NIC 210, or the stored subscriber information is modified, or the called subscriber information is stored in the phone book service server 160, a general telephone, or a fax. Or it controls the overall ENUM DNS 150, such as the role provided to the computer.

The searcher 240 searches for subscriber information of a user having a corresponding representative phone number according to a command of the data processor 230. To this end, the searcher 240 is connected to the database server 250 that controls data stored in the personal information database 160, and searches the personal information database 160 using the database server 250.

The database server 250 controls input / output of subscriber information stored in the personal information database 160 under the control of the data processor 230 or the searcher 240.

Here, the ENUM DNS 150 is a web page, a swap page, or an automatic response service (ARS) system for a mobile terminal 110, a landline phone, a computer, etc. to input, modify, and retrieve subscriber information. You can also run Accordingly, the data processor 230 may further include a program and a module for providing a web page, a swap page, or an answering service.

3 is a block diagram schematically illustrating an internal configuration of a phone book service server for providing a phone book management service according to an exemplary embodiment of the present invention.

Phone book service server 160 according to the present invention is NIC 310, memory 320, program storage unit 330, display unit 340, database server 350, key input unit 360 and the control unit 370 Include.

The NIC 210 is a communication module that provides a communication interface for communication with the Internet network 140 and the ENUM DNS 150. Here, when the phone book service server 160 is located in the mobile communication network as shown in FIG. 1B, the NIC 210 provides an interface for communication with the MSC 122.

The program storage unit 220 stores a phone book management program for searching, storing, modifying, and updating a phone book from the mobile communication terminal 110. The phone book management program may be implemented in various languages, for example, a 'C' programming language or an object-oriented 'C ++' or 'JAVA' programming language, depending on the operating system of the phone book service server 160.

The memory 230 temporarily stores data processed by the controller 370, or stores a phone book transmitted from the phone book database 162 or subscriber information delivered through the ENUM DNS 150 according to a phone book management program. Temporarily save.

The display unit 240 is provided in a monitor form so that an administrator who manages the phone book service server 160 can check the operation history of the phone book service server 160 and the phone book details stored in the phone book database 162. In addition, the processing status according to the key input from the key input unit 360 is also displayed.

The database server 350 controls input and output of information data of the phone book database 162. That is, the phone book is received from the mobile communication terminal 110 and stored in the phonebook database 162, or the phone number is modified from the mobile communication terminal 110, the landline phone and the computer, and the subscriber information is updated from the ENUM DNS 150. According to the role of modifying the details stored in the phone book database 162. In addition, in response to a request for providing a stored phone book from the controller 370, the phone book stored in the phonebook database 162 is called.

The key input unit 360 is used for input / output of data when the administrator manually adds, deletes, or updates the details stored in the phonebook database 162. In addition, when updating the phone book management program stored in the program storage unit 320, it is used for input of data.

The controller 370 controls the entire phone book service server 160 and, when a request for storing, modifying or calling a phone book is received from the mobile communication terminal 110, controls the phone book management program stored in the program storage unit 320. When the phone number of the phone book database 162 is stored, modified, and called, and the communication with the ENUM DNS 150 is performed for a predetermined period of time to check whether there is an update history of subscriber information, and if there is an update history, The phone book database 162 updates the phone number, and performs the function of delivering the updated details to the UICC card 112 of the mobile communication terminal 110.

4 is a flowchart illustrating a subscriber information retrieval method using an ENUM service according to an embodiment of the present invention.

ENUM using a mobile terminal 110, a computer, a landline, etc. in order for a user to check subscriber information such as a telephone number, a landline number, a fax number, an e-mail address of a mobile communication terminal through a representative number of another user. The DNS 150 is connected. In this case, when the mobile communication terminal 110 is used, the ENUM DNS 150 is provided through the mobile communication network 120 including the wireless base station 124 and the MSC 122, the gateway 130, and the Internet network 140. Connect to When using a computer, the user directly accesses the ENUM DNS 150 through the Internet network 140, and when using a general telephone or a fax, uses the PSTN 164, the gateway 162, and the Internet network 140. Connect to ENUM DNS 150. In the following description, a description will be made based on the case where the mobile communication terminal 110 is connected to the ENUM DNS 150 through the wireless Internet.

At this time, the phonebook service server 160 may be connected to the ENUM DNS 150, or may be directly connected to the ENUM DNS (150) (S410).

When the mobile communication terminal 110 connects to the ENUM DNS 150, the data processing unit 230 provides the mobile communication terminal 110 with a web page, a swap page, or an answering service for inputting a representative phone number for searching. . When the user inputs the representative phone number of the subscriber to search (S420), the ENUM DNS 150 searches for subscriber information stored in the personal information database 152 using the searcher 240 (S430).

When subscriber information such as a telephone number, a landline telephone number, a fax number, an e-mail address, etc. of the mobile communication terminal 110 is retrieved, the ENUM DNS 150 sends a text message (SMS: Short Messaging Service) to the mobile communication terminal 110; The subscriber information retrieved to the mobile communication terminal is provided using a swap page or an answering machine. At this time, all of the retrieved subscriber information may be provided, or only some of the subscriber information may be provided. In order to provide only some items of subscriber information, a step of inputting a desired search item in step S420 should be additionally set (S440).

When the subscriber information is confirmed through the ENUM DNS 150, the mobile communication terminal 110 displays a message asking whether to store the confirmed subscriber information (S450), and when the user selects the storage of the confirmed subscriber information, The subscriber information confirmed in the phone book of the mobile communication terminal 110 is stored in the internal memory or the UICC card 112. At this time, if there is existing subscriber information, it is preferable to set to update by replacing the corresponding information (S460).

In the above description of the method for retrieving subscriber information, the method for retrieving subscriber information by accessing the ENUM DNS 150 has been described. However, the user can be restricted to retrieve only the subscriber information stored in the phonebook database 162. In this case, the user accesses the phone book service server 160 to perform the subscriber information retrieval process of FIG. 4, and the phone book service server 160 retrieves the phone book stored in the phone book database 162 to retrieve the subscriber information. to provide. To this end, the phone book service server 160 should receive subscriber information from the ENUM DNS 150 on a regular basis and update the stored phone book.

In this way, subscriber information can be searched using the representative telephone number.

5 is a flowchart illustrating a phone book storing method using an ENUM service according to an embodiment of the present invention.

According to the present invention, a user who wants to receive a phonebook update and backup service using an ENUM service must first store his / her phonebook in the phonebook database 162. In order to store the phone book, the user connects to the phone book service server 160 using the mobile communication terminal 110, a computer, or a wired telephone. In the following description, it will be described with reference to the mobile communication terminal 110 (S510).

When the mobile communication terminal 110 accesses the phone book service server 160, the phone book service server 160 checks the type of service to be provided using the phone book management program stored in the program storage 320. Provide a menu window to the mobile communication terminal (110). At this time, it is also possible to provide a service through an answering machine.

When the user selects to store the phone book among the phone book management services, the phone book service server 160 receives the phone book stored in the UICC card 112 of the mobile communication terminal 110. Then, the received phone book is stored in the user account of the phone book database 162 (S520).

At this time, the user may request to provide additional information about the information lacking among the information of other users listed in the phone book. When the user requests to retrieve the subscriber information (S530), the phonebook service server 160 connects to the ENUM DNS 150, and the ENUM DNS 150 retrieves the subscriber information of the user listed in the phone book. In this case, the subscriber information may not be searched for the user whose representative number is not described (S540).

When the search for the subscriber information is completed, the ENUM DNS 150 provides the retrieved subscriber information to the phonebook service server 160, and the phonebook service server 160 updates the phone book stored in the phonebook database 162. In addition, the phone number stored in the UICC card 112 of the mobile communication terminal 110 may be updated.

In this case, before updating the phone book in the phone book service server 160, the confirmed subscriber information may be displayed on the mobile communication terminal 110 and set to allow the user to select whether to update (S550).

In addition, the user may set the phone book stored in the phone book database 162 to be regularly updated. In this case, when the user selects a regular update, the phone book service server 160 updates the stored phone number regularly, and if the regular update is not selected, the phonebook entered by the user is stored as it is (S560). .

6 is a flowchart illustrating a phonebook update service method using an ENUM service according to an embodiment of the present invention.

When the update of the phone book is set, the phone book service server 160 periodically accesses the ENUM DNS 150 (S610), and the user registered in the phone book stored in the phone book database 162 through the ENUM DNS 150. By comparing the subscriber information and the subscriber information stored in the personal information database 152, the presence or absence of the change history is confirmed (S620).

If there is a change in the subscriber information (S630), the phone book service server 160 updates the phone book called in step S620, and then stores the updated phone book again in the user account of the phone book database 162, thereby making a phone call. The phone book update is executed (S640).

Then, it is checked whether or not the user has set a notification on the change history. The change history notification setting is set to modify a phone book stored in the mobile communication terminal 110 when there is a change history of subscriber information (S650).

When the change history notification is set, the phone book service server 160 transmits the updated phone book to the mobile communication terminal 110 and stores the updated phone book in the UICC card 112. In this case, the phonebook service server 160 may transmit all of the updated phone books or only change details. In addition, when the update history is transmitted to the mobile communication terminal 110, after displaying a screen informing the user of the change history, when the user enters a confirmation button for the update, the update may be executed, or automatically without the user confirmation process You can also set it to update. And, when updating the phone book of the mobile communication terminal 110, to provide a selection window to confirm whether to store the phone book in the memory of the mobile communication terminal, or to update the phone number in the UICC card (112). It may also be (S660).

Through this process, it is possible to update the phone book using the ENUM service.

7 is a phone book backup service method using an ENUM service according to an embodiment of the present invention.

5 and 6, the phone book database 162 stores a phone number updated by the user with the latest information, or a phone book at the time desired by the user. If the user who has stored the phone book in the phone book database 162 loses the mobile communication terminal 110, replaces it with a new mobile communication terminal, or deletes the address book of the mobile communication terminal 110, the user may delete the phone book database 162. Call the phonebook stored in the) can be downloaded to the mobile communication terminal (110).

For such a phone book backup service, the user must first access the phone book service server 160 using the mobile communication terminal 110 (S710).

 The phone book service server 160 provides a menu window for selecting a type of service to be provided to the mobile communication terminal 110 using a phone book management program stored in the program storage unit 320, and the user displays the display. The phone book backup service for downloading the phone book is selected from the menus (S720).

When the phone book backup service is selected, the phone book service server 160 calls the phone book stored in the phone book database 162 and transmits the phone book to the mobile communication terminal 110. At this time, in order to improve security, the user may input a preset password or social security number, or authenticate the user through a mobile certificate, and provide a stored phone book only when the user is authenticated (S730). .

On the other hand, through the above method, the subscriber registered in the ENUM service can provide the modified information to other users who registered themselves in the phone book by modifying their subscriber information stored in the personal information database 152. However, at this time, since their information is also provided to unwanted users, it may cause a problem of privacy infringement. Accordingly, a subscriber registered in the ENUM service may select a desired part of disclosure in entering his / her subscriber information, and the subscriber may select a specific person and group so that the modified personal information is provided only to the specific person or group. It is also possible to set it up.

Although the above description has been made with reference to the mobile communication terminal 110, it is also possible to implement such a phone book update and backup service in a landline phone, a computer, etc. having a phone book storage function.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, by managing the phone book using the ENUM service system that can confirm the subscriber information by the representative phone number, the user can use the phone number, e-mail, landline phone number, etc. of his mobile communication terminal. If the personal information is changed, it is convenient to inform other users of the changed personal information by simply accessing ENUM DNS and modifying their own information without having to contact other users.

In addition, the user of the mobile communication terminal can prevent a situation in which contact is lost due to the change of contact information as the changed personal information of other users registered in the phone book is updated from time to time, and even if the mobile communication terminal is lost. The phone book can be provided through ENUM DNS, eliminating the inconvenience of having to manually enter contacts of other users.

Claims (23)

In the phone book management system that uses the ENUM (tElephone NUmber Mapping or E.164 NUmber Mapping) service to back up or update the user's phone book, A personal information database storing at least one subscriber information and a representative number of an ENUM service subscriber's name, address, landline telephone number, fax, telephone number of a mobile communication terminal and e-mail; An ENUM DNS (Domain Name System) for searching the personal information database and providing subscriber information of the representative number when the representative number is input; A phone book database storing the phone book of the user; And Phone book service server for managing the phone book stored in the phone book database Phone book management system comprising a. The method of claim 1, wherein the phone book service server, Store the phonebook in the phonebook database, modify the phonebook stored in the phonebook database, update the phonebook in conjunction with the ENUM DNS, or call and provide a phonebook stored in the phonebook database. Directory management system. The method of claim 1, To backup or update the phone book stored in the mobile terminal, A wireless base station performing a location registration function of the mobile communication terminal; A mobile switching center (MSC) interworking with the Internet network in which the ENUM DNS is located, and handling a telephone directory transmission and reception between the mobile communication terminal and the ENUM DNS or the phonebook service server; And Gateway to perform protocol conversion between mobile communication network and internet network Phone book management system, characterized in that it further comprises. The method of claim 3, wherein the phone book service server, And receive and store a phone book stored in a universal integrated circuit card (UICC) inserted into the mobile communication terminal, and provide a phone number stored in the phonebook database to the UICC. The method of claim 1, wherein the ENUM DNS, NIC (Network Interfacd Card) for providing a communication interface for connecting to the phone book service server and the Internet network; A protocol identification unit for confirming a representative number transmitted to the Internet address system through the Internet network; A retrieval unit for retrieving subscriber information of the user having the representative number from the personal information database; A database server unit controlling data input / output of the personal information database; And A data processing unit for requesting a search of the subscriber information to the search unit using the representative number identified through the protocol identification unit, and executing a series of actions of correcting the searched subscriber information or providing the phonebook service server. Phone book management system comprising a. The method of claim 5, wherein the ENUM DNS, And at least one of a web page, a swap page, and an answering machine service system to receive a request to store, retrieve, and modify the subscriber information. A phone book service server for backing up or updating a user's phone book by using tNUM telephone mapping or E.164 NUmber mapping (ENUM) service, NIC (Network Interface Card) for providing an interface for communication with the ENUM DNS providing the ENUM service; A program storage unit for storing a phone book management program for searching, storing, modifying, and updating the phone book; A database server controlling data input and output of a phone book database storing the user's phone book; A control unit for managing the phone book stored in the phone book database; And A memory for temporarily storing data processed by the controller Phonebook service server comprising a. The method of claim 7, wherein the control unit, A series of acts of storing the user's phone book in a phone book database using the phone book management program, calling or modifying the phone book stored in the phone book database, and updating the phone book in conjunction with the ENUM DNS. Phonebook service server, characterized in that for performing. The method of claim 7, wherein the phone book service server, A key input unit for inputting a command for updating the phone book management program and inputting / outputting data stored in the phonebook database; And Display unit for displaying the operation history of the phone book service server and the phone book history stored in the phone book database Phonebook service server, characterized in that it further comprises. The method of claim 7, wherein the control unit, If the subscriber information received from the ENUM DNS is different from the subscriber information of the users listed in the telephone directory of the user by communicating with the ENUM DNS in a predetermined unit of time, the telephone directory of the user is recalled. Phonebook service server, characterized in that for updating to the subscriber information provided from the ENUM DNS stored in the phonebook database. According to claim 7, wherein the phone book management program, When one or more terminals of a mobile communication terminal, a landline telephone, or a computer is connected to the phone book service server, a menu window for selecting one of the search, storage, modification, and update of the telephone number is provided to the terminal. Phone book service server. A method of providing subscriber information of a user who is requested to search by using tNUM telephone telecommunication or E.164 NUmber mapping (ENUM) service, (a) receiving a representative number of the searched user through an Internet address system; (b) extracting a representative telephone number from the representative number of the Internet address system; (c) retrieving the requested subscriber information using the representative telephone number; And (d) providing the retrieved subscriber information. Subscriber information providing method comprising a. The method of claim 12, wherein step (a) And a user representative number of the Internet address system is input from a mobile communication terminal using a wireless internet or a computer using a wired internet network. The method of claim 13, wherein step (a) comprises: And providing a web page, a swap page, or an automatic answering service for inputting the representative number to the mobile communication terminal or the computer. The method of claim 13, wherein the subscriber information providing method comprises: And searching for the subscriber information by using the mobile communication terminal, storing the retrieved subscriber information in a phone book of the mobile communication terminal. In the method of backing up the phone book of the mobile communication terminal using tNUM telephone mapping or E.164 NUmber mapping (ENUM) service, (a) receiving the phone book from the mobile communication terminal; (b) check whether the additional information of the user listed in the telephone book is provided, and if there is a request for providing the additional information, access the ENUM DNS that provides the ENUM service, and search for the subscriber information of the user; Updating the phone book and storing it in a database, and if there is no request for providing the additional information, storing the phone book received in the step (a) in the database; (c) checking a phone number update setting for updating the phone book and updating the phone book stored in the database by accessing the ENUM DNS at regular intervals when the phone number update is set; And (d) checking whether a phone book provision request is received from the mobile communication terminal, and if there is a request for providing the phone book, providing a phone book stored in the database to the mobile communication terminal; Phone book backup service method comprising a. The method of claim 16, wherein step (b) and step (c) And updating the phone book is executed only for a user whose representative number is written in the phone book. The method of claim 16, wherein in step (b) and step (c), When the phone number stored in the database is updated, providing the update history to the mobile communication terminal, the phone book backup service method, characterized in that for updating the phone book stored in the mobile communication terminal. The method of claim 16, wherein step (d) is The authentication process is performed using one or more of a preset password or social security number or authentication through a mobile certificate, and the phone book stored in the database is provided to the mobile communication terminal only when the authentication is completed. Phone book backup service method, characterized in that. In the updating method of the phone book using ENUM (tElephone NUmber Mapping or E.164 NUmber Mapping) service, (a) receiving the telephone book from the mobile communication terminal and storing it in a database; (b) accessing an ENUM DNS providing the ENUM service and receiving subscriber information of a user listed in a phone book stored in the database; (c) comparing the subscriber information received from the ENUM DNS with the telephone book stored in the database and updating the telephone book according to the subscriber information received from the ENUM DSN when the subscriber information is different; And (d) storing the updated telephone book in the database Phone book update service method comprising a. The method of claim 20, (e) updating the phone book of the mobile communication terminal by transmitting the update details of the phone book to the mobile communication terminal; Phone book update service method characterized in that it further comprises. The method of claim 21, wherein step (e) And displaying the update history of the phone book on the mobile communication terminal and updating the phone book of the mobile communication terminal when a confirmation button of the subscriber is input. The method of claim 21, wherein step (b) comprises: And a subscriber information of a user registered in the phone book by accessing the ENUM DNS at a predetermined predetermined period.

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