KR20060094682A - Method and system for providing instant messenger service by using address book of mobile communication terminal - Google Patents

Abstract

 The present invention relates to a method and system for providing an instant messenger service using an address book of a mobile communication terminal.

The present invention provides a system for providing a mobile instant messenger service between mobile communication terminals, comprising: a mobile communication network for transmitting signals and data transmitted and received in the mobile instant messenger service between the mobile communication terminals; The mobile instant messenger is installed, and transmits the selected information of one or more friends or one or more groups in the stored address book to the mobile communication network, and is an outgoing mobile communication terminal capable of transmitting and receiving mobile instant messages with the incoming mobile communication terminal. ; And transmitting status information of the terminating mobile communication terminal and a control signal for requesting terminal capability to the mobile communication network, and according to the state information and the terminal capability of the terminating mobile communication terminal received from the mobile communication network. If it is determined that the mobile instant messenger service can be provided to the terminal and the mobile instant messenger service cannot be provided, an error message can be transmitted to the calling mobile communication terminal, and if the mobile instant messenger service can be provided. An instant messenger system for providing an instant messenger service between the calling mobile communication terminal and the called mobile communication terminal is provided.

According to the present invention, an instant messenger service is obtained by grasping the status of a called party, such as whether the subscriber is the same network or whether an instant messenger service is possible, without obtaining a procedure of obtaining the other party's consent using an address book stored in the mobile communication terminal. This has the effect of increasing the convenience possible.

Instant Message Service, Friend, NPDB System, Information Buddy

Description

Method and System for Providing Instant Messenger Service by Using Address Book of Mobile Communication Terminal}

 1 is a block diagram schematically showing the configuration of an Internet communication network system using a messenger between users in a conventional Internet site;

 2 is a block diagram schematically illustrating a system for providing an instant messenger service using an address book of a mobile communication terminal according to an embodiment of the present invention;

 3 is a block diagram schematically illustrating an internal configuration of an instant messenger service server that provides an instant messenger service using an address book of a mobile communication terminal according to an embodiment of the present invention;

 4 is a flowchart illustrating a method for providing an instant messenger service using an address book of a mobile communication terminal according to an embodiment of the present invention;

 5 is a diagram illustrating an exemplary interface screen for providing an instant messenger service using an address book of a mobile communication terminal according to an exemplary embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

200: outgoing mobile communication terminal 210: incoming mobile communication terminal

220: mobile communication network 222: wireless base station

224: data core network 230: instant messenger system

232: Instant Messenger Service Server 234: NPDB System

236: SMS center 300: program storage unit

310: memory unit 320: control unit

330: display unit 340: NIC

350: database server 360: key input unit

370: SMS server

The present invention relates to a method and system for providing an instant messenger service using an address book of a mobile communication terminal. More specifically, when the instant messenger service is available by grasping the status of the called party, such as whether the subscriber is the same network or whether the instant messenger service is available, without obtaining the other party's consent using the address book stored in the mobile communication terminal. The present invention relates to a method and system for providing an instant messenger service using an address book of a mobile communication terminal for transmitting and receiving an instant message to an incoming mobile communication terminal.

As the number of Internet users increased rapidly, web (WWW) applications based on HTML (HyperText Markup Language) were developed, enabling various Internet businesses and cyber cultures to be created in the cyber space. In particular, various instant messenger services have been developed and provided to implement a community on the Internet. The instant messenger is a free Internet community service that enables chatting, real-time message transmission, file transmission, etc. to all users on the Internet.

1 is a block diagram schematically illustrating a configuration of an Internet communication network system using a messenger between users in a conventional Internet site.

The conventional Internet communication network system includes a web server 110 for operating each Internet site, an application server 140 connected to each web server 110 by the Internet 120 and providing a messenger to the corresponding Internet site; The user terminal 130 that obtains information through an Internet site and uses an instant messenger through the application server 140 is connected to the web server 110 and the application server 140 by the Internet 120.

That is, in the Internet communication network system illustrated in FIG. 1, a plurality of user terminals 130 access an application server 140 through the Internet 120 to use an instant messenger in a web server 110 operating each Internet site. To download the program, and to be used by the visitor on the homepage is displayed in the form of an icon (Icon).

An internet user requests a website access request to access a website to which an instant messenger is connected using his user terminal 130, and the web server 110 transmits an HTML document to permit access. At this time, the web server 110 requests the application server 140 to transmit the instant messenger, and the application server 140 transmits the instant messenger to each user terminal 130.

That is, the instant messenger program is downloaded from the web server 110 to the user terminal 130 and is installed and executed. Thus, the instant messenger is started in the user terminal 130, and the accessor is added to the accessor list on the instant messenger.

In this case, if the visitor is a member of the website, the registered member ID is displayed. If the visitor is not a member, the guest ID is automatically displayed and added to the visitor list. Thereafter, when the communication between the user terminal 130 and the application server 140 is started, the instant messenger-only channel is connected and the message can be transmitted and received. When the user clicks on an icon provided from the web server 110 and displayed on the screen of the user terminal 130, an independent interface capable of modifying the instant messenger is displayed. In the instant messenger, a list of other users is displayed in real time through an independent interface so that the status of the users can be checked and messages can be transmitted and received.

In this case, one-to-one or one-to-many real-time chat function, channel search function, channel move function, channel open function, and name change function may be provided according to a user's selection. In this case, when the real-time chat function is executed, when a user selects and clicks a specific user from the visitor list, an independent interface that can be modified for one-to-one message transmission creates a message in real time and confirms an immediate response. Thereafter, when the user exits the web browser or moves to another Internet site, the user is automatically exited from the messenger-only channel and deleted from the accessor list, and the communication between the user terminal 130 and the application server 140 ends. Messenger service is terminated.

The instant messenger service provided by the conventional wired Internet system is a fixed service provided only between personal computers. However, with the development of terminal technology, data transmission technology, and wireless communication network technology, between mobile communication terminals or between a mobile communication terminal and a personal computer. Mobility services that can provide instant messenger services have become possible.

In the prior art, a mobile communication terminal capable of mobility service has a function for wirelessly connecting to a messenger service server, and accesses a messenger service server according to a key value input from a user, thereby providing a mobile instant messenger according to an embodiment of the present invention. Download it. In order to download the mobile instant messenger, the mobile communication terminal must input membership data into a messenger service server to perform a membership registration procedure. Membership data required in the registration process includes identification (ID), password, name or screen name, age, gender, email address, avatar selection data, and the like. In addition, it is possible to select whether or not to disclose the item information to the public for each item entered only to a specific user.

Meanwhile, a user may register and manage a plurality of friends by executing a mobile instant messenger installed in a mobile communication terminal. Here, a friend is a term used in a general instant messenger, and refers to a counterpart who informs of his / her connection status, some personal information, and allows chatting, data transmission, and sending a message. In addition, friend registration and management in a mobile communication terminal may be performed by grouping by criteria such as a certain purpose. For example, friends may be grouped by coworkers, fellowships, alumni, and the like.

In order to register a friend using a mobile instant messenger, a mobile instant messenger must be executed to access a messenger service server. While connected to a messenger service server, a mobile station identification number (MIN) of a counterpart to register as a friend must be input.

On the other hand, when a friend registration request is generated by one user, friend registration is not performed immediately, and the other party's consent is required. To this end, when a friend registration request is generated by one user, the messenger service server transmits a text message asking whether to accept the friend registration request with the inputted mobile station identification number. When a friend registration accept signal is received from the other party's mobile communication terminal receiving the text message, the messenger service server permits friend registration to the user's mobile communication terminal and does not permit friend registration when a friend registration disapproval signal is received.

The instant messenger service currently being serviced over the wireless network is based on a buddy created on a wired line. By adding the sender's informational buddy, the recipient's consent is established to form an informational buddy relationship. An instant messenger service can be provided by adding a counterpart user.

Therefore, the prior art has a hassle to perform a procedure for obtaining the caller's consent through the sender's informational buddy relationship, there is a inconvenience that you can not use the instant messenger service if the consent is not obtained.

In addition, the mobile instant messenger service is currently being serviced between subscribers of the same network, and as described above, when requesting friend registration using the inputted mobile station identification number, the instant messenger service cannot be requested unless the subscriber is the same network. .

In order to solve this problem, the present invention, by using the address book stored in the mobile terminal, grasp the status of the called party, such as whether the same network subscriber, instant messenger service is available without obtaining the consent of the other party, and instant messenger When the service is available, an object of the present invention is to provide an instant messenger service using an address book of a mobile communication terminal that transmits and receives instant messages to a called mobile communication terminal of a called party.

According to a first object of the present invention for realizing the above object, in a system for providing a mobile instant messenger service between mobile communication terminals, transmitting signals and data transmitted and received by the mobile instant messenger service between the mobile communication terminals; Mobile communication network; The mobile instant messenger is installed, and sends out selected information of one or more friends or one or more groups in the stored address book to the mobile communication network, and is an outgoing mobile communication terminal capable of transmitting and receiving mobile instant messages with the incoming mobile communication terminal. ; And transmitting status information of the terminating mobile communication terminal and a control signal for requesting terminal capability to the mobile communication network, and according to the state information and the terminal capability of the terminating mobile communication terminal received from the mobile communication network. If it is determined that the mobile instant messenger service can be provided to the terminal and the mobile instant messenger service cannot be provided, an error message can be transmitted to the calling mobile communication terminal, and if the mobile instant messenger service can be provided. An instant messenger system for providing an instant messenger service between the calling mobile communication terminal and the called mobile communication terminal is provided.

According to a second object of the present invention, a mobile terminal, a mobile communication network for using a mobile instant messenger service, and selection information selected from an address book stored in the mobile communication terminal are received through the mobile communication network to correspond to the selection information. A method of providing an instant messenger service using an address book of a mobile communication terminal in a mobile communication system including an instant messenger service server transmitting an instant message to an incoming mobile communication terminal of a called party, the method comprising: (a) a mobile instant messenger; Driving and accessing the instant messenger service server by the calling mobile communication terminal; (b) displaying an address book list on the calling mobile terminal; (c) selecting at least one friend or at least one group from the address book list and transmitting selection information to the instant message service server through the mobile communication network; (d) determining whether an incoming mobile communication terminal of the called party corresponding to the selection information is an environment capable of transmitting and receiving the instant message with the calling mobile communication terminal; And (e) if it is determined in step (d) that the called mobile communication terminal is capable of transmitting and receiving the instant message with the calling mobile terminal, the incoming message received by the calling mobile terminal is received. It provides a method for providing an instant messenger service using an address book of a mobile communication terminal, characterized in that it comprises the step of transmitting and receiving the instant message with the destination mobile terminal.

According to a third object of the present invention, a mobile terminal receives incoming selection information selected from an address book stored in an outgoing mobile communication terminal through a mobile communication network, and the incoming mobile communication terminal of the called party corresponding to the selection information and the outgoing mobile communication terminal are instant. An instant messenger service server that provides an instant messenger service using an address book of a mobile communication terminal for using a messenger service, comprising: an instant messenger program for providing the instant messenger service between the calling mobile communication terminal and the called mobile communication terminal; A stored program storage unit; Controlling the overall operation of the instant messenger service server, and determining whether the incoming mobile communication terminal of the called party can send and receive the instant message by driving the instant messenger program to send the instant message to the incoming mobile communication terminal. If it is determined that the transmission and reception is possible, it is a function of controlling to transmit the instant message prepared by the outgoing mobile terminal to the destination mobile communication terminal through the mobile communication network, and it is impossible to send and receive the instant message to the destination mobile communication terminal. A controller for controlling an error message to be transmitted to the originating mobile communication terminal when determined; A memory unit that temporarily stores data processed by the controller or temporarily stores data generated by driving the instant messenger program; A database server controlling data input / output of the instant messenger service server and storing the input / output data as database information; A display unit for providing an input / output status of various data in the form of a monitor so that an administrator managing the instant messenger service server can be viewed; And a communication module that provides a communication interface for communication with a mobile communication switching center or the Internet, and provides an instant messenger service using an address book of a mobile communication terminal, comprising a network interface card (NIC). Provide an instant messenger service server.

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.

2 is a block diagram schematically illustrating a system for providing an instant messenger service using an address book of a mobile communication terminal according to an exemplary embodiment of the present invention.

A system for providing an instant messenger service using an address book of a mobile communication terminal according to a preferred embodiment of the present invention includes an outgoing mobile communication terminal 200, a receiving mobile communication terminal 210, a mobile communication network 220, and an instant messenger system ( 230) and the like.

The incoming / outgoing mobile communication terminals 200 and 210 have a function for wirelessly connecting to the instant messenger service server 232 through the mobile communication network 220, and the instant messenger service server 232 according to a user's key value input. ) To download a mobile instant messenger and send and receive instant messages between terminals. In addition, the incoming / outgoing mobile communication terminals 200 and 210 are connected to the mobile communication network 220 to provide a voice call function for performing a normal voice call through wireless communication with different mobile communication terminals, A communication terminal capable of data service by accessing the Internet through a web browser or the like.

Incoming / outgoing mobile communication terminals 200 and 210 are PDAs (Personal Digital Assistant), cellular phones, PCS (Personal Communication Service) phones, GSM (Global System for Mobile) phones, W-CDMA (Wideband CDMA) phones, CDMA- 2000 phones, MBS (Mobile Broadband System) phones and the like. Here, MBS phone refers to a mobile communication terminal to be used in the fourth generation system that is currently discussed. In addition, as a means for the mobile communication terminal to access the instant messenger service server 232 through the mobile communication network 220, a browser (Browser) capable of transmitting and receiving data should be installed, which is a wireless application protocol (WAP) : WAP browser based on Wireless Application Protocol, Microsoft Internet Explorer (MIE) based on HTML using HTTP protocol, Handheld Device Transport Protocol (HDTP) I-mode, Binary Runtime Environment for Wireless ), But may not be limited to SK Telecom's 'NATE'. Among the Internet access protocols used by the originating / receiving mobile communication terminals 200 and 210, the MIE uses a shortened version of the HTML by using the m-HTML abbreviated. In the case of i-Mode, the compact HTML (c) -HTML).

In a preferred embodiment of the present invention, a wireless instant messenger service is used as an example among mobile communication terminals, but the mobile instant messenger service may be configured to share a mobile instant messenger service with a mobile communication terminal connected to a personal computer connected by wire.

The mobile communication network 220 in the embodiment shown in FIG. 1 is described using a Code Division Multiple Access (CDMA) 2000 system including the wireless Internet as an example, but is not necessarily limited thereto. It should be understood as a broad concept including any mobile communication network 220 that relays wireless data between terminals such as a CDMA mobile communication network and a portable Internet network.

The mobile communication network 220 includes a wireless base station 222, a mobile communication switching center (not shown), a data core network (DCN) 224, a home location register (HLR), and a visitor. Provide instant messenger service by sending and receiving signals and data between the calling mobile terminal 200 and the called mobile terminal 210, including a Visitor Location Register (VLR) (not shown), and the like. Perform all the functions necessary to perform the service.

The radio base station 222 performs a location registration function, a function of allocating a radio channel, and various functions required for radio call processing such as handoff. The mobile communication switching center (not shown) performs basic and additional service processing for providing a voice communication service, incoming and outgoing call processing of a subscriber, location registration procedure and handoff procedure, and interworking with other networks. The visitor location register (not shown) performs mobile communication of subscriber data in the case of the location information of the visited subscriber whose location registration is performed, in the case of an outgoing call from the originating mobile communication terminal 200, an incoming call to the destination mobile communication terminal 210, and the like. Received from the exchange office (not shown) and stored.

The home location register (not shown) receives the location information of the mobile communication terminal from the visitor location register (not shown) and performs functions such as registration recognition, registration deletion, and location verification. In addition, the home location register (not shown) is a database that stores a service profile of mobile subscriber information, including a subscriber's telephone number, a mobile identification terminal (Mobile Identification Number (MIN), a terminal unique number of the mobile communication terminal) (Electronic Serial Number: ESN) and subscribed mobile communication service information is stored.

The data core network 224 includes a high speed data service for providing packet data communication service, an internet / intranet access service, a virtual private network (VPN) access service, a simple IP and a mobile IP service, Performs Point-to-Point Protocol (PPP) authentication, billing, and packet compression.

The instant messenger system 230 includes an instant messenger service server 232, an NPDB system 234, an SMS center 236, and the like.

The instant messenger service server 232 performs a function of transmitting the instant messenger service from the originating mobile communication terminal 200 to the destination mobile communication terminal 210 according to an embodiment of the present invention. In addition, the instant messenger service server 232 grasps the incoming mobile communication terminal 210 status information and terminal capability through queries with the mobile communication network 220, the SMS center 236, and the NPDB system 234 to which the instant messenger service server 232 is linked. When the instant messenger service can be transmitted to the incoming mobile communication terminal 210, the mobile terminal 210 provides an instant messenger service between the calling mobile communication terminal 200 and the incoming mobile communication terminal 210.

The instant messenger service server 232 operates a wired / wireless website to process a subscription request for an instant messenger service from a mobile communication terminal. Wired websites include a number of web pages created based on HTML, and wireless websites include a number of web pages created based on the Wireless Markup Language (WML).

 Meanwhile, the instant messenger service server 232 allows the connected mobile communication terminals to chat, send and receive files, send messages, and send various e-mails (text mail, voice mail, video mail, etc.) using a mobile instant messenger. do.

NPDB (Number Portability DataBase) system 234 is interworking with the instant messenger service server 232, which is the called party stored in the address book of the originating mobile communication terminal 200 according to the introduction of number portability, that is, the receiving mobile communication terminal. An authentication method corresponding to the mobile station identification number (MIN: Mobile Identity Number) of 210 is determined, and when there is a query request from the instant messenger service server 232 according to the number portability determination, the called mobile communication terminal It determines whether the called subscriber of the 210 is the same network subscriber as the calling subscriber of the calling mobile communication terminal 200 and transmits the determination information to the instant messenger service server 232.

The SMS center 236 is interworked with the mobile communication network 220 and the instant messenger service server 232, and converts the forwarded message into an SMS message according to the SMS message request of the mobile communication terminal or the instant messenger service server 232. It executes the service to send to the side.

3 is a block diagram schematically illustrating an internal configuration of an instant messenger service server that provides an instant messenger service using an address book of a mobile communication terminal according to an exemplary embodiment of the present invention.

The instant messenger service server 232 according to the preferred embodiment of the present invention may include a program storage unit 300, a memory unit 310, a control unit 320, a display unit 330, and a network interface card (NIC). It is configured to include 'NIC') 340, the database server 350, the key input unit 360, SMS server 370 and the like.

The instant messenger service server 232 is interlocked with the mobile communication network 220, the instant messenger service server 232, the SMS center 236, and the NPDB system 234 to send / receive instant messengers to the mobile communication terminals 200 and 210. As a content provider (CP) server that provides a service, when an instant messenger service is transmitted to or received from the terminating mobile communication terminal 210 using an address book of the calling mobile communication terminal 200, an inquiry with an associated device is performed. If it is determined that the instant message can be delivered to the destination mobile communication terminal 210 by determining the called subscriber network determination, status information, and terminal capability of the destination mobile communication terminal 210 through the call, the instant mobile communication terminal 210 is instantaneous. It controls the sending and receiving of messages. In more detail, the instant messenger service server 232 runs an instant messenger program and when a user selects one or more friends or one or more groups from the address book of the calling mobile terminal 200, the selected messenger information is selected from the mobile communication network ( After receiving through 220, it determines whether or not the calling subscriber of the calling mobile communication terminal 200 and the same network subscriber.

In addition, the instant messenger service server 232 is a terminal capable of instant messaging and status information, such as whether the power of the incoming mobile communication terminal 210 is in operation, in a call state, or has left the service area. To the destination mobile communication terminal 210 through a query with the mobile communication network 220, the SMS center 236, and the NPDB system 234, which interoperate with the terminal capabilities (Capability) such as recognition, screen size, supported media type, and the like. When the instant messenger service can be delivered, it functions to send and receive instant messages from the originating mobile communication terminal 200 to the destination mobile communication terminal 210.

The program storage unit 300 includes an instant messenger program that can provide an instant messenger service to the calling / receiving mobile communication terminals 200 and 210. The instant messenger program receives a user's ID and password for an instant messenger service request of the calling mobile communication terminal 200 and determines whether to register as a member to allow access to the instant messenger service server 232. . In addition, the instant message program, when the user selects one or more friends or one or more groups using the address book of the calling mobile terminal 200 and receives the selection information through the mobile communication network 220, the NPDB system 234 linked ) And determines whether the called subscriber of the called mobile communication terminal 210 and the calling subscriber of the calling mobile communication terminal 200 are the same network subscribers.

In addition, the instant messenger program includes status information of the incoming mobile communication terminal 210 from the mobile communication network 220 (power operation, whether in a call state, whether it leaves the service area, etc.), an identification number (MIN), and a terminal. Electronic Serial Number (ESN), information on the type of service and the model of the terminating mobile communication terminal 210, the size of the screen, instant messenger, text messaging and multimedia services, and terminal capabilities such as supported media types. The terminating mobile communication terminal 210 determines whether an instant messenger service is possible by determining a capability or the like.

Such an instant messenger program may be implemented in various ways according to the operating system (OS) of the instant messenger service server 232. For example, the instant messenger program may be implemented in a 'C' programming language or an object-oriented 'C ++' or 'JAVA' programming language. Can be.

The memory unit 310 temporarily stores data processed by the control unit 320, or an ID, password, or destination subscriber of the incoming mobile communication terminal 210 for authentication of a user generated according to an instant messenger program. When not a subscriber or when the state of the incoming mobile communication terminal 210 can not transmit and receive a message, it functions to temporarily store an error message transmitted to the calling subscriber.

The controller 320 controls the overall operation of the instant messenger service server 232, and in particular, drives the instant messenger program stored in the program storage unit 300 and other devices interworking with the instant messenger service server 232. Whether the called subscriber of the called mobile communication terminal 210 and the calling subscriber of the calling mobile communication terminal 200 are the same network subscribers, the state information and the terminal of the called mobile communication terminal 210 to send an instant message through Judge your ability.

Therefore, when the control unit 320 can deliver the instant message to the terminating mobile communication terminal 210, the instant message written by the originating mobile communication terminal 200 is transferred to the terminating mobile communication terminal 210 through the mobile communication network 220. It serves to control the transmission, and if it is unable to deliver an instant message to the destination mobile communication terminal 210, it transmits an error message to the calling mobile communication terminal (200).

The display unit 330 is provided in the form of a monitor so that an administrator who manages the instant messenger service server 232 can view the input / output status of various data, as well as the processing status according to key input from the key input unit 360. Displays the processing status of the instant messenger program and the like. The network interface card (NIC) 340 is a communication module that provides a communication interface for communication with the Internet or the mobile communication network 220. The network interface card (NIC) 340 moves an instant message received from the instant messenger service server 232. A function of transmitting to the communication network 220.

The database server 350 controls data input and output of the instant messenger service server 232. In addition, the database server 350 may update and store data input from the key input unit 360 as database information under the control of the controller 320, or may store the mobile communication network 220 from the originating / receiving mobile communication terminals 200 and 210. It may also be a function of updating and storing the state information of the terminal and the database information on the terminal capability received through). Alternatively, the database server 350 may be configured externally without being configured inside the instant messenger service server 232.

The database server 350 may be, for example, an "Oracle 9i DB Release 2" server program of Oracle, a server program of "MS-SQL Server 2000" of Microsoft Soft, or the like. Installed in software.

The SMS server 370 transmits data to be converted into an SMS message to the SMS center 236 through the NIC 340 under the control of the controller 320. An application program for transmitting an instant message transmitted / received between the originating / receiving mobile communication terminals 200 and 210 to the SMS center 236 as data is installed in the instant messenger service server 232 in the form of a server program.

The key input unit 360 is used for inputting data when an administrator manually adds or updates information content of the database server 350. In addition, when updating the instant messenger program of the program storage unit 300, or when updating the application of the SMS server 370 is used for data input.

4 is a flowchart illustrating a method for providing an instant messenger service using an address book of a mobile communication terminal according to an exemplary embodiment of the present invention.

Before describing FIG. 4, it is assumed that a user is subscribed to the instant messenger service server 232 as a member, and the mobile instant messenger 200 and 210 are installed with a mobile instant messenger when connected to the wireless Internet. .

The outgoing mobile communication terminal 200 receiving the execution key value related to the mobile instant messenger by the calling subscriber executes the downloaded mobile instant messenger (S400). The executed mobile instant messenger of the outgoing mobile terminal 200 displays a member authentication screen for accessing the instant messenger service server 232 and receives an ID and a password from the user (S402). The mobile instant messenger transmits the input ID and password to the instant messenger service server 232 through the mobile communication network 220, and the instant messenger service server 232 receiving the user's ID and password determines whether the user has registered. (S404). If it is determined in step S404 that the member is subscribed to the instant messenger service server 232, the mobile terminal 200 permits access to the instant messenger service server 232 (S406). The address book list is displayed on the LCD screen of the outgoing mobile communication terminal 200 (S408), and the user selects one or more friends or one or more groups as a message transmission target to transmit an instant message (S410). The selection information selected by the user is transmitted to the instant messenger service server 232 through the mobile communication network 220, and the transmitted selection information (a friend or group to which the instant message is sent) is transferred from the instant messenger service server 232. According to the request, it is determined whether the called subscriber of the called mobile communication terminal 210 and the calling subscriber of the calling mobile communication terminal 200 are the same network subscribers through an inquiry to the mobile communication network 220 and the NPDB system 234 (S412). ). If it is determined in step S412 that the called subscriber of the called mobile communication terminal 210 is the same network subscriber, the instant messenger service server 232 requests a query from the mobile communication network 220, the SMS center 236, and the like. It is determined whether the receiving mobile communication terminal 210 is an environment capable of transmitting and receiving instant messages by receiving the state information or the terminal capability of the terminal 210 (S414). If it is determined in step S414 that the environment that can send and receive instant messages to the destination mobile communication terminal 210, the user who selected the message transmission destination selects the type of message to be transmitted from the calling mobile communication terminal 200, the embodiment of the present invention The example takes instant messages, but the types of messages include text messages, text emails, voice emails, and video emails.

The message input screen is displayed on the LCD screen of the calling mobile terminal 200 according to the type of the selected message, and the user creates an instant message and transmits it to the instant messenger service server 232 through the mobile communication network 220 ( S416). The instant messenger service server 232 transmits the received instant message of the user to the incoming mobile communication terminal 210 having an environment capable of transmitting and receiving instant messages through the mobile communication network 220 (S418). At this time, if the terminating mobile communication terminal 210 is logged on (Log On), the instant message is immediately transmitted, and if not, the instant messaging is transmitted in different ways according to the terminal capability of the terminating mobile communication terminal 210. Can be configured to be. For example, after temporarily storing the message to be sent to the instant messenger service server 232 and the corresponding friend or group is logged on, the method of transmitting the message to be sent, the destination mobile communication terminal 210 can only SMS. If the instant message is an impossible terminal, the instant messenger service server 232 converts the instant message into the SMS and transmits the SMS message to the destination mobile communication terminal 210 as an SMS message through the SMS center 236. The instant messenger service server 232 receiving the response SMS message may be converted into an instant message, and then the instant message may be transmitted in various ways.

In step S412 or step S414, the instant subscriber service server 232 may not be the same network subscriber or an outgoing subscriber of the outgoing mobile communication terminal 210 in the instant messenger service server 232 or may transmit or receive an instant message. If it is determined that this is not the case, an error message corresponding to the error code is transmitted to the calling mobile communication terminal 200. For example, when the power of the terminating mobile communication terminal 210 is turned off, a message cannot be delivered, and the terminating mobile communication terminal transmits an error message such as a terminal of a model for which an instant messenger terminal 210 cannot provide an instant messenger service. 200).

5 is a diagram illustrating an exemplary interface screen for providing an instant messenger service using an address book of a mobile communication terminal according to an exemplary embodiment of the present invention.

Before describing FIG. 5, it is assumed that a user is registered as a member of the instant messenger service server 232, and that the mobile instant messenger is installed in the calling / incoming mobile communication terminals 200 and 210 when accessing the wireless Internet. .

When the user uses the instant messenger service using the address book of the mobile communication terminal, the user selects an item capable of instant messenger from the wireless Internet menu of the mobile communication terminal and attempts to access the instant messenger service server 232 (FIG. 5A). The mobile instant messenger provides an authentication screen with an input window for inputting a user's ID and password for user authentication for accessing the instant messenger service server 232 (FIG. 5B). After the user has passed through the membership authentication procedure, as shown in FIG. 5C, the stored address book list of the calling mobile communication terminal 200 is displayed on the LCD screen of the calling mobile communication terminal 200. The user selects one or more friends or one or more groups from the address book list to which the instant message is to be sent using the key input unit. For example, when a user selects a friend item in the address book list of FIG. 5C and selects a friend named Hong Gil-dong, the user sends and receives an instant message with a friend named Hong Gil-dong. In the prior art, in this case, the instant messenger service could be provided to the called party only by forming a buddy relationship with the consent of the called party called Hong Gil-dong. In the embodiment of the present invention, when providing the instant messenger service, the consent of the other party is not obtained. There is a feature that can provide an instant messenger service by selecting from a list stored in the address book of the calling mobile communication terminal 200 without forming a buddy relationship.

When the user selects one or more friends or one or more groups from the address book list of FIG. 5C, the instant messenger service server 232 sends the incoming mobile communication terminal 210 through a query to the mobile communication network 220 or the NPDB system 234. Determine the status information and the terminal information, and determine whether the called mobile communication terminal 210 of the selected called party is the same network subscriber as the calling mobile communication terminal 200, and whether the incoming mobile communication terminal 210 is capable of instant messenger service. Done. In this case, when the incoming mobile communication terminal 210 is capable of instant messenger service, an instant messenger service is possible between the calling mobile communication terminal 200 and the incoming mobile communication terminal 210 as shown in FIG. 5D. If the instant messenger service is not available at 210, an error message corresponding to the error code is transmitted to the calling mobile terminal 200 as shown in FIG. 5E. For example, when the called mobile communication terminal 210 is not the same network subscriber as the calling mobile communication terminal 200, 'the called mobile communication terminal 210 of the called party is not the same network subscriber.' Or "Instant Messenger service is unavailable" 5E is displayed, and although not illustrated in FIG. 5E, when the incoming mobile communication terminal 210 does not operate, or in a call, in response to an error code of each situation such as a terminal that does not support an instant messenger service Appropriate error messages are sent to the calling mobile terminal 200 for display.

The above description is merely illustrative of the present invention, and those skilled in the art to which the present invention pertains may various modifications without departing from the essential characteristics of the present invention. Accordingly, the embodiments disclosed herein are not intended to limit the present invention but to describe the present invention, and the spirit and scope of the present invention are not limited by these embodiments. It is intended that the scope of the invention be interpreted by the following claims, and that all descriptions within the scope equivalent thereto shall be construed as being included in the scope of the present invention.

As described above, the present invention does not require a procedure for obtaining the other party's consent using the address book stored in the mobile communication terminal, and grasps the status of the called party, such as whether the subscriber is the same network and whether the instant messenger service is available. The instant messenger service has the effect of increasing convenience.

Claims (14)

In the system for providing a mobile instant messenger service between mobile communication terminal, A mobile communication network transmitting and receiving signals and data transmitted and received by the mobile instant messenger service between the mobile communication terminals; The mobile instant messenger is installed, and transmits the selected information of one or more friends or one or more groups in the stored address book to the mobile communication network, and is an outgoing mobile communication terminal capable of transmitting and receiving mobile instant messages with the incoming mobile communication terminal. ; And Transmits a control signal for requesting state information and terminal capability of the terminating mobile communication terminal to the mobile communication network, and according to the state information and the terminal capability of the terminating mobile communication terminal received from the mobile communication network; If it is not possible to provide the mobile instant messenger service by determining whether the mobile instant messenger service can be provided in the above, an error message is transmitted to the calling mobile communication terminal, and when the mobile instant messenger service can be provided, An instant messenger system that provides an instant messenger service between an outgoing mobile terminal and the called mobile terminal. System for providing an instant messenger service using the address book of the mobile communication terminal comprising a. The method of claim 1, The mobile communication network includes a wireless base station including a base station transmitter and a base station controller, a mobile communication switching center, a data core network (DCN), a home location register, and a visitor location register. System for providing instant messenger service. The method of claim 1, The instant messenger system includes an instant messenger service server, a short message service (SMS) center, and a number portability database (NPDB) system. The method of claim 3, wherein The instant messenger service server determines whether the incoming mobile communication terminal can exchange an instant messenger service with the originating mobile communication terminal through a query to the mobile communication network, the SMS center, and the NPDB system to which the instant messenger service server is linked. A system for providing an instant messenger service using an address book of a mobile communication terminal. The method of claim 3, wherein The NPDB system may be configured such that the called subscriber of the called mobile communication terminal and the calling subscriber of the calling mobile communication terminal, which are called recipients selected using the address book stored in the calling mobile communication terminal through a query from the instant messenger service server, A system for providing an instant messenger service using an address book of a mobile communication terminal, characterized in that it is determined whether the subscriber is the same network and the determination information is transmitted to the instant messenger service server. The method of claim 1, The status information provides an instant messenger service using an address book of a mobile communication terminal, characterized in that at least one of information on whether the power of the incoming mobile communication terminal is in operation, in a call state, or has left the service area. System. The method of claim 1, The terminal capability may include at least one of information on whether the incoming mobile communication terminal is an instant messenger capable terminal, a text messaging terminal, a screen size, and support media type. System for providing instant messenger service. The method of claim 1, If the incoming mobile communication terminal is a terminal capable of a text message and an instant messenger, the instant messenger system converts an outgoing instant message into an SMS and transmits it to the destination mobile communication terminal as an SMS message through an SMS center and transfers the incoming call. A system for providing an instant messenger service using an address book of a mobile communication terminal, wherein the instant messenger system receiving the response SMS message of the communication terminal is converted into a received instant message and transmitted to the calling mobile communication terminal. Receives selection information selected from a mobile communication terminal, a mobile communication network for using a mobile instant messenger service, and an address book stored in the mobile communication terminal through the mobile communication network, and receives the selected information corresponding to the selected information to a called mobile communication terminal. Claims [1] A method for providing an instant messenger service using an address book of a mobile communication terminal in a mobile communication system including an instant messenger service server transmitting an instant message. (a) driving a mobile instant messenger and accessing the instant messenger service server by a calling mobile communication terminal; (b) displaying an address book list on the calling mobile terminal; (c) selecting one or more friends or one or more groups from the address book list and transmitting selection information to the instant message service server through the mobile communication network; (d) determining whether an incoming mobile communication terminal of the called party corresponding to the selection information is an environment capable of transmitting and receiving the instant message with the calling mobile communication terminal; And (e) if it is determined in step (d) that the called mobile communication terminal is capable of transmitting and receiving the instant message with the calling mobile terminal, receiving the instant message created by the calling mobile terminal and receiving the incoming message; Transmitting and receiving the instant message with a receiving mobile communication terminal; Method for providing an instant messenger service using the address book of a mobile communication terminal comprising a. The method of claim 9, wherein step (a) comprises: (a1) displaying a member authentication screen having an input window for inputting a user ID and password when the mobile instant messenger is driven; (a2) receiving the user's ID and password in step (a1) and transmitting the ID and password to the instant messenger service server through the mobile communication network; And (a3) when the calling mobile communication terminal is connected to the instant messenger service server when it is recognized as a member in the instant messenger service server using the user's ID and the password; Method for providing an instant messenger service using the address book of the mobile communication terminal, characterized in that it further comprises. The method of claim 9, wherein step (d) (d1) determining whether the called subscriber of the called mobile communication terminal is the same network subscriber as the calling subscriber of the calling mobile communication terminal through a query with an NPDB system; And (d2) If it is determined in step (d1) that the called subscriber is the same network subscriber as the calling subscriber, the mobile terminal receives the state information and the terminal capability of the called mobile communication terminal through an inquiry with the mobile communication network. Determining whether the terminal can send and receive instant messages  Method for providing an instant messenger service using the address book of the mobile communication terminal further comprising a. The method of claim 9, In step (d1), it is determined that the called subscriber of the called mobile communication terminal is not the same network subscriber as the calling subscriber of the calling mobile communication terminal, or in step (d2), the called mobile communication terminal transmits and receives the instant message. If it is determined that the environment is not possible, the method of providing an instant messenger service using the address book of the mobile communication terminal further comprising the step of transmitting an error message to the outgoing mobile terminal. Receives selected information selected from an address book stored in an outgoing mobile communication terminal through a mobile communication network, and receives an incoming mobile communication terminal of the called party corresponding to the selected information, and uses the outgoing mobile terminal and an instant messenger service. An instant messenger service server that provides an instant messenger service using an address book. A program storage unit storing an instant messenger program for providing the instant messenger service between the calling mobile communication terminal and the called mobile communication terminal; Controlling the overall operation of the instant messenger service server, and determining whether the incoming mobile communication terminal of the called party can send and receive the instant message by driving the instant messenger program to send the instant message to the incoming mobile communication terminal. If it is determined that the transmission and reception is possible, it is a function of controlling to transmit the instant message prepared by the outgoing mobile terminal to the destination mobile communication terminal through the mobile communication network, and it is impossible to send and receive the instant message to the destination mobile communication terminal. A controller for controlling an error message to be transmitted to the originating mobile communication terminal when determined; A memory unit that temporarily stores data processed by the controller or temporarily stores data generated by driving the instant messenger program; A database server controlling data input / output of the instant messenger service server and storing the input / output data as database information; A display unit for providing an input / output status of various data in the form of a monitor so that an administrator managing the instant messenger service server can be viewed; And Network interface card (NIC) as a communication module that provides a communication interface for communication with a mobile switching center or the Internet. Instant messenger service server for providing an instant messenger service using the address book of a mobile communication terminal comprising a. The method of claim 13, The database server may be installed at any one of the inside and the outside of the instant messenger service server, and may immediately update or store state information and terminal capability from a specific mobile communication terminal. Instant messenger service server that provides messenger services.

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