KR100643032B1 - A mobile communication system for instant messaging chatting service and bulletin board service real time linked with digital multimedia broadcast program and a method thereof - Google Patents

Abstract

A mobile communication system and method for providing a chatting and bulletin board service interworking with a DMB program in real time are provided to implement a bi-directional service of a DMB program and a ubiquitous technique without being restricted on its space by using a mobile communication system as a return path. A DMB transmission system(100) modulates a DMB program and an SID(Session ID) set for each DMB program into DMB signals and transmits them. A mobile terminal(200) includes a DMB module for receiving the DMB signals and demodulating them into the DMB program and the SID, and an SIP(Session Initiation Protocol) module connected with an IM(Instant Messaging) chatting server(300) or a bulletin board server in real time while the DMB signals are being received, and performs a chatting function or a bulletin board function as the DMB program is displayed. The IM chatting server(300) opens a chatting room and provides the bulletin board function in real time. An SIP server(310) provides a call termination and origination function and a register function for a user registration, and establishes a session between the mobile terminal(200) and the IM chatting server(300). A bulletin board server(400) provides the bulletin board function for each DMB program.

Description

MOBILE COMMUNICATION SYSTEM FOR INSTANT MESSAGING CHATTING SERVICE AND BULLETIN BOARD SERVICE REAL TIME LINKED WITH DIGITAL MULTIMEDIA BROADCAST PROGRAM AND A METHOD THEREOF}

1 is a configuration diagram schematically showing a mobile communication system for providing a chat and bulletin board service of the present invention.

2 is a flowchart illustrating a method for providing a chat and bulletin board service using a mobile communication terminal according to an exemplary embodiment of the present invention.

Figure 3 is a flow chart illustrating a method for providing a chat and bulletin board service using a wired communication terminal according to an embodiment of the present invention.

4A to 4C are diagrams illustrating screen configurations of a mobile communication terminal in a method of providing a chat service according to an exemplary embodiment of the present invention.

5 is a diagram illustrating a screen configuration of a mobile communication terminal related to a method for providing a bulletin board service according to an exemplary embodiment of the present invention.

The present invention relates to a mobile communication system and a method for providing a chat and bulletin board service interworking with a DMB program in real time. More particularly, the present invention relates to a DMB program being received through a mobile communication network while receiving and watching the DMB program. The present invention relates to a system and method for allowing a user to use a bulletin board by accessing an IM chat server for chatting or by accessing a bulletin board server related to a DMB program being viewed through a mobile communication network.

Currently, a system and method for chatting using a mobile communication terminal or a bulletin board have been known or implemented, but this can only be chat using a SMS (Short Message Service) function of the mobile communication terminal. It is merely to provide an environment, and a system and a method for providing a chat function or a bulletin board function regarding a received DMB program while receiving a DMB program using a mobile communication terminal have not yet been provided.

In addition, while receiving a DMB program using a mobile communication terminal, the wireless Internet can be used through a mobile communication network. However, through the same display device on the mobile communication terminal, a wireless Internet such as chatting or a bulletin board can be used in real time with viewing of the corresponding DMB program. In addition, there is a problem that can not use the chat function or bulletin board function for the DMB program in real time.

In order to solve the problems described above, an object of the present invention is to provide a system and a method that can use a chat and bulletin board for the DMB program at the same time as receiving the DMB program.

Accordingly, an object of the present invention is to provide a mobile communication system and a method for receiving a DMB program and using a chat and bulletin board service in real time as a return path.

In addition, it aims to contribute to profit generation by facilitating the reception of DMB programs using the mobile communication terminal and the use of the wireless Internet.

In order to achieve the above technical problem, in the mobile communication system providing a chat and bulletin board service that is linked with the DMB program (Digital Multimedia Broadcast Program) in real time,

A DMB transmission system (Digital Multimedia Broadcast Transmission System, 100) for modulating and transmitting the DMB program and a SID (Session ID, 110) set for each of the DMB programs into a digital multimedia broadcast signal (DMB);

Instant Messaging Chatting Server (DMB) module receiving a DMB signal transmitted from the DMB transmission system and demodulating the DMB program and the SID and a mobile communication network in real time while receiving the DMB signal. , 300) or a SIP module (Session Initiation Protocol Module) connected to a bulletin board server (Bulletin Board Server, 400) is mounted, the mobile communication characterized in that the chat function or the bulletin board function is performed in real time while the DMB program is displayed. A terminal 200;

An IM chat server 300 that connects to the mobile communication terminal 200 via a SIP server (Session Initiation Protocol Server, 310) and provides a chat room and a chat function in real time;

A SIP server 310 providing a call origination function and a register function for registering a user using the SIP through the mobile communication network to establish a session between the mobile communication terminal 200 and the IM chat server 300;

Chat and bulletin board service that is linked to the DMB program in real time, characterized in that it comprises a bulletin board server 400 for providing a bulletin board function for each DMB program transmitted from the DMB transmission system 100 to the mobile communication terminal 200 It provides a mobile communication system providing a.

The mobile communication system may further include a wired communication terminal connected to the IM chat server and the bulletin board server through a wired communication network.

The bulletin board server is characterized in that it comprises a bulletin board DB for storing the bulletin board list and bulletin board contents.

On the other hand, in a method for providing a chat and bulletin board service that is linked to the DMB program in real time,

A digital broadcasting transmission step (S100), wherein the DMB transmission system modulates the DMB program and the SID set for each of the DMB programs into a DMB signal and transmits the same to the mobile communication terminal (S100);

Receiving, by the mobile communication terminal, the DMB signal by using the DMB module in the mobile communication terminal, demodulating the DMB program and the SID, and displaying the digital broadcasting on the mobile communication terminal (S110);

After the mobile communication terminal uses a SIP module in the mobile communication terminal via a SIP server via a mobile communication network, the mobile communication terminal accesses an IM chat server providing a chat room and a chat function, or a bulletin board function for each DMB program. Server connection step (S120) for accessing the bulletin board server providing a;

The chat room list corresponding to the SID is provided to the mobile communication terminal from the IM chat server and displayed on the mobile communication terminal (S130), or the bulletin board list corresponding to the SID is provided from the bulletin board server to the mobile communication terminal. List display step (S131); And

Or a service performing step (S140 / S141) for performing a chat function or a bulletin board function on the mobile communication terminal;

In the service performing step, when the mobile communication terminal accesses the IM chat server, a session is set for a chat room selected from the chat room list, or a new chat room is set up to establish a session. It is transmitted to a terminal and displayed on the mobile communication terminal, or input to the IM chat server by the mobile communication terminal,

In the performing of the service, when the mobile communication terminal accesses the bulletin board server, the bulletin board contents selected from the bulletin board list are transmitted to the mobile communication terminal for display or registered in the bulletin board in the bulletin board server by the mobile communication terminal. It can be characterized by.

In the method of providing a chat and bulletin board service that is linked to the DMB program in real time,

The wired communication terminal uses a SIP module to connect to an IM chat server that provides a chat room and a chat function after passing through a SIP server through a wired communication network, or to a bulletin board server that provides a bulletin board function for each DMB program. Server connection step (S200) for connecting;

A list display step (S211) of providing a chat room list corresponding to the SID from the IM chat server and displaying the chat room list on the wired communication terminal (S210), or providing and displaying a bulletin board list corresponding to the SID from the bulletin board server (S211); And

It may be configured to include a service performing step (S220 / S221) for performing a chat function or a bulletin board function on the wired communication terminal,

The service performing step, When the wired communication terminal accesses the IM chat server, a session is set up for a chat room selected from the chat room list, or a new chat room is set up to establish a session. Characterized in that the input to the IM chat server by the communication terminal,

In the service performing step, when the wired communication terminal accesses the bulletin board server, the content of the bulletin board selected from the bulletin board list is transmitted to the wired communication terminal for display or registered in the bulletin board in the bulletin board server by the wired communication terminal. It can be characterized by.

The features and advantages of the present invention will become more apparent from the following detailed invention based on the accompanying drawings. Prior to this, terms or words used in the present specification and claims are described by the inventors in the best way. In order to properly define the concept of the term in order to be interpreted as meanings and concepts in accordance with the technical spirit of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, when it is determined that the detailed description of related known functions or known configurations or obvious matters to those skilled in the art may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a configuration diagram schematically showing a mobile communication system for providing a chat and bulletin board service of the present invention.

Referring to FIG. 1, a DMB program including a DMB transmission system 100, a mobile communication terminal 200, a SIP server 310, an IM chat server 300, a bulletin board server 400, and a wired communication terminal 500. Mobile communication system that provides a chat and bulletin board service that is linked with the real time is schematically shown.

The DMB transmission system 100 of the present invention modulates and transmits various DMB programs such as CD, high-quality radio, TV video, and text broadcasting, such as regular broadcasting and commercial broadcasting, into DMB signals that can be transmitted through various electric waves. As a general concept, the system includes both a DMB transmission system using a satellite and a DMB transmission system using a terrestrial repeater according to a transmission method.

The DMB transmission system using satellites includes a database that stores DMB programs, a control unit that controls broadcasting, a FEEDER-LINK earth station that transmits DMB signals through the uplink to DMB satellites, a DMB satellite for FEEDER-LINK, and satellite transmissions. It can be composed of GAP FILLER, which acts as a kind of repeater for the shaded area of radio waves.

Preferably, a DIGITAL SYSTEM E method, which is a DMB transmission technology using satellites, may be used, and methods such as SYSTEM A, B, D (S), and D (H), which are ITU-R standards, may be used.

The terrestrial DMB transmission system may be composed of a database storing a DMB program, a control unit for controlling a broadcast, a terrestrial repeater, and the like, preferably using the EUREKA-147 method. The method may also be included.

In addition, the DMB transmission system 100 of the present invention sets a unique SID 110 for each DMB program for various DMB programs, and then modulates the DMB program and the corresponding SID 110 into a DMB signal and transmits them together.

Here, the SID 110 is a value required for establishing a session when trying to chat through a mobile communication network with respect to a receiving DMB program.

Accordingly, when the received SID 110 is transmitted to the SIP server 310, the SID 110 supports a function of viewing a list of chat rooms corresponding to the SID 110 or opening a chat room.

The mobile communication terminal 200 of the present invention can receive a DMB program using satellite or terrestrial wave during the movement of a high-speed driving light, and can be a vehicle terminal, a PDA, a mobile phone, a portable dedicated terminal, or the like.

In the mobile communication terminal 200, a DMB module for receiving a DMB program is required, and a SIP module connected to the IM chat server 300 for a chat function of the mobile communication terminal is mounted.

The DMB module has a function of receiving a DMB signal transmitted from the DMB transmission system and demodulating the DMB program and the SID. The DMB module can receive and view a DMB program through a mobile communication terminal while moving.

In addition, the SIP module has a function of accessing an IM chat server or a bulletin board server through a mobile communication network such as a code division multiplexing access (CDMA) network in real time while receiving the DMB signal. At the same time, it should be able to be displayed on the mobile communication terminal.

SIP is a communication protocol for secure communication between a peer to peer or a server-client over the Internet. In the present invention, an IM chat server allows users of a plurality of mobile communication terminals to chat in a server-client manner according to the same SIP. can do.

In addition, in order to use a chat or a bulletin board while receiving and watching a DMB program, an upper portion of the LCD screen, which is a display device of the mobile communication terminal 200, is configured as a DMB receiving screen, and a lower portion is configured as a screen for chatting or a bulletin board. Can be.

The mobile communication network may be a mobile communication network such as a CDMA method or a GSM method in which various wireless Internet protocols such as WAP (Wireless Application Protocol), ME, and I-mode are supported. In addition, it may be a WiBro network capable of large-capacity high-speed Internet even during high-speed driving.

In addition, the SIP server 310, which is a component of the present invention, provides a call origination function and a register function for registering a chat user according to SIP, and between the mobile communication terminal 200 and the IM chat server 300. Set up a session to enable communication.

In addition, the IM chat server 300 of the present invention provides a chat room and a chat function in real time with the received DMB program, and provides a list of chat rooms for the same DMB program, and a plurality of chat rooms can be opened. In addition, the server functions as a server that allows users of a plurality of mobile communication terminals 200 to access the same chat room at the same time.

Therefore, when the user of the plurality of mobile communication terminal 200 transmits the SID 110 of the DMB program being received and watched to the IM chat server 300, the chat room list of the corresponding SID 110 is transmitted to each user, The chat room for the SID 110 provides a function that can be opened.

In addition, the bulletin board server 400 of the present invention serves as a server providing a bulletin board function for each corresponding DMB program being received and viewed, and the SIDs of the DMB programs being received and viewed by the users of the plurality of mobile communication terminals 200 ( When the 110 is transmitted to the bulletin board server 400, the bulletin board list of the corresponding SID 110 is transmitted, and each user receives the data to query the bulletin board post or transmits the bulletin to the bulletin board to register the bulletin on the bulletin board. To provide.

The bulletin board server may include a bulletin board DB (Database) for storing a bulletin board list and bulletin board contents.

The bulletin board DB of the present invention can be configured separately in the bulletin board server, and has a function of storing a bulletin board list and bulletin board contents for each DMB program.

In addition, in the mobile communication system, such as a personal computer or terminal that can be connected to the IM chat server 300 or bulletin board server 400 through a wired communication network such as a telephone communication network, a high-speed Internet dedicated communication network, a wired TV cable network. It may include a wired communication terminal 500.

2 is a flowchart illustrating a method for providing a chat and bulletin board service using a mobile communication terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 2, in a method of providing a chat and bulletin board service interworking with a DMB program in real time, the digital broadcasting transmission step (S100) may include a SID 110 set by the DMB transmission system 100 for each DMB program and each DMB program. ) Is modulated into a DMB signal and transmitted to the mobile communication terminal 200. The DMB transmission system 100 includes both a system using a satellite and a system using a terrestrial repeater.

The DMB receiving step (S110) receives a DMB signal from the DMB transmission system 100, demodulates the DMB program and the corresponding SID 110 using the DMB module in the mobile communication terminal 200, and displays it on the display device of the mobile communication terminal. In this step, the DMB program may be received using the DMB module.

Server connection step (S120) is a mobile communication terminal 200 through the SIP server 310 to establish and connect a session between the mobile communication terminal 200 and the IM chat server 300 in the mobile communication network, the establishment of a chat room and chat Connected to the IM chat server 300 that provides a function, or connected to the bulletin board server 400 for providing a bulletin board function for each DMB program received from the DMB transmission system 100, the mobile communication network is CDMA or GSM It may be a mobile communication network such as.

List display step (S130 / S131) is a chat room list corresponding to the SID 110 is provided from the IM chat server 300 is displayed on the mobile communication terminal 200 (S130), or from the bulletin board server 400 In operation S131, a bulletin board list corresponding to the SID 110 is provided and displayed on the mobile communication terminal 200.

The service performing step (S140 / S141) is a step in which a chat function or a bulletin board function is performed on the mobile communication terminal 200. When the mobile communication terminal 200 is connected to the IM chat server 300, the chat room selected from the chat room list is selected. After the session is established or the chat room is newly established and the session is established, the chat contents are transmitted to the mobile communication terminal 200 for display or input to the IM chat server 300 by the mobile communication terminal 200. In addition, a session may be established between the mobile communication terminal 200 and the IM chat server 300 using the SIP module in the mobile communication terminal 200 (S140).

When the mobile communication terminal 200 is connected to the bulletin board server 400, the bulletin board content selected from the bulletin board list is transmitted to the mobile communication terminal 200 for display or is displayed in the bulletin board server 400 by the mobile communication terminal 200. The article is registered on the bulletin board (S141).

The upper portion of the LCD screen, which is a display device of the mobile communication terminal 200, may be configured as a DMB receiving screen, and the lower portion may be configured as a screen for chatting or a bulletin board.

The DMB module has a function of receiving a DMB signal transmitted from the DMB transmission system and demodulating the DMB program and the SID. The DMB module can receive and view a DMB program through a mobile communication terminal while moving.

In addition, the SIP module has a function of accessing an IM chat server or a bulletin board server through a mobile communication network such as a code division multiplexing access (CDMA) network in real time while receiving the DMB signal. At the same time, it should be able to be displayed on the mobile communication terminal.

Figure 3 is a flow chart illustrating a method for providing a chat and bulletin board service using a wired communication terminal according to an embodiment of the present invention.

Referring to FIG. 3, a method of providing a chat and bulletin board service interworking with a DMB program using a wired communication terminal 500 in real time is a digital broadcasting transmission step (S100) and DMB reception during the invention using the mobile communication terminal 200. Step (S110) is not included, it is an invention that can be connected to the SIP server 310 or IM chat server 300 using only a wired communication terminal 500 such as a personal computer or a terminal,

The server connection step (S200) is a wired communication terminal 500 establishes and connects a session between a wired communication terminal 500 and an IM chat server 300 in a wired communication network through a SIP server 310, opening and chatting of a chat room. Connected to an IM chat server 300 that provides a function, or connected to a bulletin board server 400 that provides a bulletin board function for each DMB program received from the DMB transmission system 100, wherein the wired communication network includes a telephone communication network, It may be a wired communication network capable of the Internet such as a high-speed Internet dedicated communication network and a cable TV cable network.

List display step (S210 / S211) is a chat room list corresponding to the SID 110 is provided from the IM chat server is displayed on the mobile communication terminal 200 (S210), or SID (110) from the bulletin board server 300 In this case, the bulletin board list is provided and displayed on the mobile communication terminal 200 (S211).

The service performing step (S220 / S221) is a step in which a chat function or a bulletin board function is performed on the wired communication terminal 500. When the wired communication terminal 500 is connected to the IM chat server 300, a chat room selected from the chat room list is selected. After the session is set up or a chat room is newly established and the session is established, the chat contents are transmitted to the wired communication terminal 500 for display or input to the IM chat server 300 by the wired communication terminal 500. (S220).

When the wired communication terminal 500 is connected to the bulletin board server 400, the bulletin board content selected from the bulletin board list is transmitted to the wired communication terminal 500 for display or is displayed in the bulletin board server 400 by the wired communication terminal 500. The article is registered on the bulletin board (S221).

The DMB transmission system modulates the DMB program and the SID set for each of the DMB programs into a DMB signal and transmits the same to the mobile communication terminal (S100). The mobile communication terminal 200 receives the DMB signal from the DMB transmission system 100. After demodulating the DMB program and the corresponding SID (Sessioin ID, 110) (S110), the screen configuration of the mobile communication terminal provided with the chat service will be described below.

4A to 4C are diagrams illustrating screen configurations of a mobile communication terminal in a method of providing a chat service according to an exemplary embodiment of the present invention.

4A to 4C, when a menu key is selected in the menu bar at the bottom of the screen while receiving and watching a DMB program, the following items are displayed: '1. View chat room', '2. Enter chat room', '3. View bulletin board', ' 4. 'Write a bulletin board' and '5. Cancel' menu is selected and available.

When the '1. View chat room' is selected in the menu bar, it is connected to the IM chat server 300 through the SIP server 310 (S120), the same SID 110 as the DMB program on the mobile terminal (200) A chat room list having a) is displayed (S130).

When the menu key is selected again, the submenus of '1. Create nickname', '2. Enter chat room', '3. Create chat room' and '4. Cancel' are displayed as sub menus. If a nickname is created, the nickname may be set and used by the user as shown in the drawing. If the nickname is not set, the mobile phone number may be a nickname.

If '2. Enter chat room' is selected among the submenus, a session is established between the mobile communication terminal 200 and the selected chat room of the IM chat server 300 which is in focus as shown in the drawing. Displayed on the 200, the user of the mobile communication terminal 200 may chat with a plurality of users whose sessions are set in the same chat room (S140).

On the other hand, when the '3. Create chat room' is selected from the sub-menu, the chat room name can be arbitrarily set by the user as shown in the figure, the session between the mobile communication terminal 200 and the IM chat server 300 Is set, the chat content of the chat room is displayed on the mobile communication terminal 200, the chat content is a state that can be input, and when the chat content is input on the mobile communication terminal 200, the chat content IM chat server 300 Is transmitted to), and can chat with a plurality of users established a session in the same chat room (S140).

The DMB transmission system modulates the DMB program and the SID set for each of the DMB programs into a DMB signal and transmits the same to the mobile communication terminal (S100). The mobile communication terminal 200 receives the DMB signal from the DMB transmission system 100. After demodulating the DMB program and the corresponding SID (Sessioin ID, 110) (S110), the screen configuration of the mobile communication terminal provided with the bulletin board service will be described below.

5 is a diagram illustrating a screen configuration of a mobile communication terminal related to a method for providing a bulletin board service according to an exemplary embodiment of the present invention.

Referring to FIG. 5, when a menu key is selected from a menu bar at the bottom of the screen while receiving and watching a DMB program, '1. View chat room', '2. Enter chat room', '3. View bulletin board', and '4. One of the menus 'Write' and 'Cancel' is selected and available.

When the '3. View the bulletin board' is selected in the menu bar, and connected to the bulletin board server 400 (S120), a bulletin board list is displayed on the mobile communication terminal 200 (S131).

When the focused post is selected from the bulletin board list as shown in the drawing, the content of the post is displayed (S141).

On the other hand, if the '4. Write the bulletin board' is selected in the menu bar, as shown in the figure, the title and content of the article to be registered on the mobile communication terminal 200 as the user inputs the bulletin board server 400 Sent to the bulletin board (S141).

On the other hand, these examples are only for illustrating the present invention, the protection scope of the present invention is not limited by these examples.

While the invention has been shown and described in connection with specific embodiments thereof, it will be appreciated that various modifications and variations can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone who owns it can easily find out.

A mobile communication system providing a chat and bulletin board service interworking with the DMB program according to the present invention configured as described above in real time, and a user can receive a receiving program and a bulletin board service of a receiving program of the DMB program in real time. have.

Therefore, in the DMB program, by using a mobile communication system as a return path, it is possible to implement a bidirectional service of the DMB program and to implement a Ubiquitous technology that is not restricted by space.

As a result, the user of the mobile communication terminal actively induces the reception of the DMB program using the mobile communication terminal and provides an opportunity for indirect participation in the broadcast, thereby contributing to the profit generation using the DMB program and the mobile communication network. .

Other effects of the present invention, as well as those described in the above-described embodiments and claims of the present invention, as well as the effects that can occur within a range that can be easily estimated from them and the potential of the potential advantages that contribute to industrial development Add that they will be covered by a wider scope.

Claims (9)

In the mobile communication system providing a chat and bulletin board service in real time interworking with the DMB (Digital Multimedia Broadcast) program, A DMB transmission system for modulating and transmitting the DMB program and a Session ID (SID) set for each of the DMB programs into a DMB signal; Instant Messaging Chatting Server (DMB) module receiving a DMB signal transmitted from the DMB transmission system and demodulating the DMB program and the SID and a mobile communication network in real time while receiving the DMB signal. Or a SIP module (Session Initiation Protocol Module) for connecting to a bulletin board server, the mobile communication terminal performing a chat function or a bulletin board function in real time while the DMB program is displayed; An IM chat server connected to the mobile communication terminal via a SIP server (Session Initiation Protocol Server) to provide a chat room and a chat function in real time; A SIP server configured to establish a session between the mobile communication terminal and an IM chat server by providing a call origination function and a register function for user registration using a SIP (Session Initiatio Protocol) through the mobile communication network; And a bulletin board server that provides a bulletin board function for each DMB program transmitted from the DMB transmission system to the mobile communication terminal. The method of claim 1, The terminal chat and terminal bulletin board service system interworking with the DMB program in real time, the IM chat server and the bulletin board server further comprises a wired communication terminal connected via a wired communication network, the chat interlocked with the DMB program in real time And a mobile communication system providing a bulletin board service. The method according to claim 1 or 2, The bulletin board server is a mobile communication system for providing a chat and bulletin board service in real-time interlocked with the DMB program, characterized in that it comprises a bulletin board DB for storing the bulletin board list and bulletin board contents. In the method of providing a chat and bulletin board service that is linked to the DMB program in real time, A digital broadcasting transmission step of the DMB transmission system modulating the DMB program and the SID set for each of the DMB programs into a DMB signal and transmitting the same to the mobile communication terminal; Receiving, by the mobile communication terminal, the DMB signal by using the DMB module in the mobile communication terminal, demodulating the DMB program and the SID, and displaying the digital broadcast on the mobile communication terminal; After the mobile communication terminal uses a SIP module in the mobile communication terminal via a SIP server via a mobile communication network, the mobile communication terminal accesses an IM chat server providing a chat room and a chat function, or a bulletin board function for each DMB program. Server connection step for accessing the bulletin board server providing a; Providing a list of chat rooms corresponding to the SID to the mobile communication terminal from the IM chat server and displaying the chat room list on the mobile communication terminal, or providing the list of bulletin boards corresponding to the SID from the bulletin board server to the mobile communication terminal. List display step; And Method of providing a chat and bulletin board service in real time with the DMB program comprising a service performing step of performing a chat function or a bulletin board function on the mobile communication terminal. The method of claim 4, wherein The service performing step, When the mobile communication terminal accesses the IM chat server, a session is set up for a chat room selected from the chat room list, or a new chat room is set up to establish a session, and then the chat contents are transmitted to the mobile communication terminal. Method for providing a chat and bulletin board service in real time interworking with the DMB program, characterized in that displayed on the communication terminal or input to the IM chat server by the mobile communication terminal. The method of claim 4, wherein The service performing step, When the mobile communication terminal accesses the bulletin board server, DMB, characterized in that the message board selected from the bulletin board list is transmitted to the mobile communication terminal for display or registered by the mobile communication terminal to the bulletin board in the bulletin board server How to provide real-time chat and bulletin board service. In the method of providing a chat and bulletin board service that is linked to the DMB program in real time, The wired communication terminal uses a SIP module to connect to an IM chat server that provides a chat room and a chat function after passing through a SIP server through a wired communication network, or to a bulletin board server that provides a bulletin board function for each DMB program. A server connection step of connecting; A list display step of providing a chat room list corresponding to the SID from the IM chat server and displaying the chat room list on the wired communication terminal, or providing and displaying a bulletin board list corresponding to the SID from the bulletin board server; And Method for providing a chat and bulletin board service in real time interworking with the DMB program comprising a service performing step of performing a chat function or a bulletin board function on the wired communication terminal. The method of claim 7, wherein The service performing step, When the wired communication terminal accesses the IM chat server, a session is set up for a chat room selected from the chat room list, or a new chat room is set up to establish a session. Method for providing a chat and bulletin board service in real time interworking with the DMB program, characterized in that the input to the IM chat server by the communication terminal. The method of claim 7, wherein The service performing step, When the wired communication terminal accesses the bulletin board server, the selected bulletin board information is transmitted to the wired communication terminal for display or is registered in the bulletin board in the bulletin board server by the wired communication terminal. How to provide real-time chat and bulletin board services.

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