KR20050056076A - Method and system for transmitting and receiving contents in different format between mobile communication terminals - Google Patents

Abstract

The present invention relates to a method and system for transmitting and receiving content having a different format between mobile communication terminals.

The present invention provides a method for transmitting and receiving content having a different format between mobile communication terminals, comprising: (a) receiving a content transmission request signal from a transmitting mobile communication terminal; (b) inquiring information of a receiving mobile communication terminal to receive the contents; (c) querying an identifier corresponding to content of a format supported by the receiving mobile communication terminal according to the inquiry result; (d) transmitting the content corresponding to the identifier to a multimedia messaging system (MMS) server; (e) transmitting a Call Back Uniform Resource Locator (URL) corresponding to the content to the receiving mobile communication terminal; And (f) downloading the contents through the callback URL.

According to the present invention, when a content having a different supported format is to be transmitted to another mobile communication terminal, a mapping database storing meta information of the content is used to automatically retrieve and transfer content having a different format and having the same content. There is an effect that the communication terminal to provide the content of the format supported.

Description

Method and System for Transmitting and Receiving Contents in Different Format between Mobile Communication Terminals

The present invention relates to a method and system for transmitting and receiving content having a different format between mobile communication terminals. More specifically, when the content is to be transmitted from the transmitting mobile terminal to the receiving mobile terminal, the transmission protocol of the transmitting mobile terminal and the receiving mobile terminal is different or the content to be transmitted is not supported by the receiving mobile terminal. In the case of content in a format, a method of transmitting a content having a content different from a format to be transmitted to a receiving mobile terminal by using a mapping database that stores the meta information of the content. And to the system.

As computer, electronic, and communication technologies have made rapid progress, various wireless communication services using wireless networks have been provided. The most basic wireless communication service is a wireless voice call service that provides a voice call to a mobile terminal user wirelessly, which can provide a service regardless of time and place. In addition, while providing a text message service to complement the voice call service, the text message service is a sensational popularity among the younger generation. In recent years, a wireless Internet service has been introduced to provide an Internet communication service to a user of a mobile communication terminal through a wireless communication network.

Accordingly, the subscribers of the mobile communication service can freely move and talk with the other party anytime and anywhere using the wireless communication service, and also provide various information necessary for life through the wireless Internet service, such as news, weather, sports, securities, Exchange rates or traffic information may be provided in various forms such as text, voice, or image.

Accordingly, customers of mobile communication services are requesting various additional services in addition to basic call services, and mobile communication service providers are developing new additional services to meet the needs of these customers.

Due to the development of mobile communication technology, the code division multiple access (CDMA) service provided by a mobile communication system is not only a voice service but also circuit data and packet data. It is evolving into a multimedia communication service for transmitting data.

In recent years, with the development of information and communication, IMT-2000 (International Mobile Telecommunication 2000), a third generation mobile communication system that has been standardized by ITU-R (for example, CDMA2000 1X, 3X, EV-DO, WCDMA (WideBand CDMA)) Etc.) are commercially available. IMT-2000 is a CDMA 2000 1X, 3X, EV-DO, WCDMA (WideBand CDMA), etc., which is used in IS-95A and IS-95B networks by using the IS-95C network that has evolved from the existing IS-95A and IS-95B networks. It is a service that can provide wireless Internet at a transmission speed of up to 144 Kbps, much faster than the supportable data transfer rate of 14.4 Kbps or 56 Kbps. In particular, by using IMT-2000 service, it is possible to provide various multimedia services (AOD, VOD, etc.) at higher speed as well as improving existing voice and WAP service quality.

1 is a diagram illustrating a system for a wireless Internet service according to the prior art.

As shown in FIG. 1, a system for a wireless Internet service according to the prior art includes a mobile communication terminal 100, a wireless data network 102, a WAP server 104, a VOD server 106 and a content database 108. And the like.

The mobile communication terminal 100 is a terminal capable of receiving a Video On Demand (VOD) service and has a built-in VOD player. First, when a user selects a VOD service through a WAP (Wireless Application Protocol) browser through the mobile communication terminal 100, the mobile communication terminal 100 is connected to the WAP server 104 having the VOD content menu page. The WAP server 104 delivers the VOD content menu page to the WAP browser of the connected mobile communication terminal 100, and the user selects specific content. Then, the mobile communication terminal 100 stores the selected content URL (Uniform Resource Locator) address and requests the selected content URL. In response, the WAP server 104 transmits the detailed information of the corresponding content in a designated script method, and the mobile communication terminal 100 receiving the WAP server 104 receives the high-speed channel according to the MO (Mux Option) value received from the WAP server 104. Is assigned.

The mobile communication terminal 100 accesses the VOD server 104 through the wireless data network 102 using the URL having the location and file name of the content received from the WAP server 104 through the WAP browser. The mobile communication terminal 100 downloads content from the connected VOD server 104 using a transmission protocol such as a delivery multimedia integration framework (DMIF).

As mobile communication services become more active, services are being provided in the form of not only receiving content unilaterally from a specific server on the wireless Internet, but also sending and receiving content between mobile communication subscribers.

Meanwhile, with the development of video codecs and transmission protocols, video content having the same content has various formats. For example, some terminals only support moving picture video in MPEG (Moving Picture Experts Group) 4 compression format, while others support only H.264 compression format. Some terminals support only the Realtime Transport Protocol (RTP) transport protocol, while others support only the Delivery Multimedia Integration Framework (DMIF) transport protocol.

As such, due to a problem such that video cannot be decompressed even when a video is received between terminals having different video codecs, the receiving mobile communication terminal cannot play the video properly. There is a problem that it becomes impossible.

In order to solve the above problems, the present invention, when trying to transfer the content from the transmitting mobile terminal to the receiving mobile terminal, the transmission protocol of the transmitting mobile terminal and the receiving mobile terminal is different or the content to be transmitted is received If the content is in a format that is not supported by the communication terminal, the mobile terminal receives the content having the same content but different from the content to be transmitted using a mapping database that stores the meta information of the content. It is an object of the present invention to provide a method and a system for transmitting data.

According to a first object of the present invention, there is provided a method of transmitting and receiving content having a different format between mobile communication terminals, the method comprising: (a) receiving a content transmission request signal from a transmitting mobile communication terminal; (b) inquiring information of a receiving mobile communication terminal to receive the contents; (c) querying an identifier corresponding to content of a format supported by the receiving mobile communication terminal according to the inquiry result; (d) transmitting the content corresponding to the identifier to a multimedia messaging system (MMS) server; (e) transmitting a Call Back Uniform Resource Locator (URL) corresponding to the content to the receiving mobile communication terminal; And (f) downloading the contents through the callback URL.

According to a second object of the present invention, in a system for transmitting and receiving content having a different format between mobile communication terminals, when a content transmission request signal is received from a transmitting mobile communication terminal, the receiving mobile communication terminal inquires information of the receiving mobile communication terminal. A Video Multimedia Content Gateway (VMCG) server for providing content corresponding to a format supported by a communication terminal to the receiving mobile communication terminal; A terminal information management server storing a content format supported by the mobile communication terminal and transmission protocol information of the mobile communication terminal; And a multimedia message service (MMS) server for receiving the contents and relaying transmission and reception of a multimedia message.

According to a third object of the present invention, in a system for transmitting and receiving content having a different format between mobile communication terminals, when a content transmission request signal is received from a transmitting mobile communication terminal, the receiving mobile communication terminal inquires information of the receiving mobile communication terminal. Provides a content presenting service providing VMCG (Video Multimedia Content Gateway) server, characterized in that to provide the content to the receiving mobile communication terminal in accordance with the format supported by the communication terminal.

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 illustrating a configuration of a system for transmitting and receiving content having a different format between mobile communication terminals according to a preferred embodiment of the present invention.

As shown in FIG. 2, a system for transmitting and receiving contents having different formats between mobile communication terminals according to an exemplary embodiment of the present invention includes a transmitting mobile communication terminal 200, a wireless data network 202, and a VMCG (Video Multimedia Content). Gateway (204) server, Terminal Information Management Server (WAS) 206, Customer Information Server (ICAS) 208, Multimedia Message Service (MMS) server 210, Short Message Service (SMS) server 212, A receiving mobile communication terminal 214, a video download server (MDS) 216, a video streaming server (pMss) 218, an information usage fee processing server (NIBS) 220, and the like.

The transmitting mobile communication terminal 200 according to the preferred embodiment of the present invention connects to the wireless data network 202 to transmit content, and transmits a content transmission request signal to the VMCG server 204 through the wireless data network 202. do. To this end, the transmitting mobile communication terminal 200 is provided with a web browser for accessing a wireless Internet as a means for accessing through the wireless data network 202. The web browser is a WAP (Wireless Application Protocol) browser, ME ( Mobile Explorer) and I-mode and the like.

On the other hand, the transmission mobile communication terminal 200 according to a preferred embodiment of the present invention is a PDA (Personal Digital Assistant), cellular (Cellular) phone, PCS (Personal Communication Service) phone, hand-held PC (Hand-Held PC), GSM (Global System for Mobile) phones, W-CDMA (Wideband CDMA) phones, EV-DO phones, EV-DV (Data and Voice) phones and MBS (Mobile Broadband System) phones and the like.

The VMCG server 204 according to the preferred embodiment of the present invention is a server providing a content presenting service. When the VMCG server 204 receives a content transfer request signal from the transmitting mobile communication terminal 200, the content transfer request signal is received. The basic information of the reception mobile communication terminal 214 included in the transmission is sent to the terminal information management server 206 to inquire the reception mobile communication terminal 214 information. At this time, the basic information of the receiving mobile communication terminal 214 includes a transmission protocol of the receiving mobile communication terminal 214 and / or a content format supported by the receiving mobile communication terminal 214.

The transmission protocol of the receiving mobile communication terminal 214 according to the preferred embodiment of the present invention may be a Realtime Transport Protocol (RTP) protocol, a Delivery Multimedia Integration Framework (DMIF) protocol, and / or a wavelet protocol.

The RTP protocol is a streaming protocol, and using the RTP protocol does not have error recovery capability through retransmission like the handshaking-based transmission method, but because of the real-time transmission, only a slight image quality deterioration occurs even when an error occurs. You can send continuously. RTP protocol mainly uses User Datagram Protocol (UDP) rather than connection based to use the existing Internet Protocol (IP). In particular, the RTP protocol uses Real Time Control Protocol (RTCP) to exchange quality of service information and to grasp the status of the network. Currently, the RTP protocol is standardized with the Internet Engineering Task Force's RFC1889 and is mainly used for live streaming. Video packets are transmitted in real time, so that one minute of video is transmitted in one minute in real time. In addition, since the packets are time-stamped, the packets can be reproduced in synchronization with time. Because packets are transmitted in real time, the RTP protocol supports live content as well as stored content. The protocol for MPEG-4 streaming is mainly RTP protocol and RTCP is used for protocol control. RTCP supports quality of service (QoS) in video content using the RTP protocol by periodically sending control packets using the same distribution mechanism as the data packets. The RTP protocol is a transmission protocol for efficiently transmitting real-time multimedia information that needs to be transmitted within a certain time in communication, but is an application transmission protocol implemented in software. Encoded multimedia information is modified for this RTP protocol before being transmitted.

The DMIF protocol is a session protocol for managing multimedia streaming in a general transmission technology and is similar to the FTP (File Transfer Protocol). The difference is that FTP sends data itself, while DMIF protocol sends a pointer to get data. In addition, the DMIF protocol provides a DMIF-application interface, regulates the Flexmux channel establishment, and coordinates the interactive pierce (IP, ATM, mobile, or PSTN) regardless of the destination (Remote Interactive Peer, Broadcast, or local storage medium). It has the characteristic of using a network.

On the other hand, the compression codec of the content according to a preferred embodiment of the present invention may be MPEG-4, H.26L, Wavelet method, MDA, Synchronized Multimedia Integration Language (SMIL), H.264 and the like. That is, the VMCG server 204 controls to transmit the content according to the compression codec format supported by the receiving mobile communication terminal 214 among the content according to the compression codec format.

The VMCG server 204 according to the preferred embodiment of the present invention transmits the content conforming to the transmission protocol of the receiving mobile communication terminal 214 and the content of the format supported by the receiving mobile communication terminal 214. Includes a mapping database 205 to which is mapped. The mapping database 205 includes meta information of stored content.

3 is a diagram illustrating an example of a table stored in the mapping database 205 according to a preferred embodiment of the present invention.

3 is a table of contents for the MPEG-4 format. The mapping database 205 generates a separate table of content information for each type of content and stores information of the content. Here, the content information means an identifier (CID) of the content provider that registered the content, an identifier (SID) of a service providing the content, a content upload service type, a content play time, a number of playable contents, a video compression codec type of the content, It may be a text encoder type of content and an information usage fee of the content.

Here, the content provider identifier of the content and the identifier of the service providing the content are generated when the VMCG server 204 queries the mapping database 205 to search for content suitable for the receiving mobile communication terminal 214. Used as a result.

When the content is registered in the content database (not shown) by the content provider, the above-described information of the content is registered together in the mapping database 205 and the mapping database is provided when providing the content presenting service according to the preferred embodiment of the present invention. Only the access of 205 can provide content suitable for the receiving mobile communication terminal 214. Meanwhile, at the same time as the content is registered in the content database (not shown), the information of the content may be registered in the mapping database 205, or after the content is registered in the content database (not shown), the information of the content may be provided at a predetermined interval. It may be registered in the mapping database 205.

On the other hand, a content database (not shown) that includes the actual contents of the mapping database 205 includes a public key (PK: Public Key) of the mapping database 205 as a field. Therefore, when providing a service using the mapping database 205, the query time should be reduced.

On the other hand, the mapping database 205 according to a preferred embodiment of the present invention is a relational database management system (RDBMS) such as Oracle, Infomix, Sybase or DB2, Gemston, Orion. Object-oriented database management system (OODBMS) such as Orion or O2 and XML Native Database such as Excelon, Tamino or Sekaiju to suit the purpose of the present invention. It can be implemented and has the appropriate Field or Element to achieve its function.

On the other hand, by using a real-time streaming protocol, such as the RTP protocol, the content transmitted according to the preferred embodiment of the present invention includes not only the stored content (Stored Contents) but also live content (Live Contents) already stored in a content database (not shown). do.

The terminal information management server 206 according to the preferred embodiment of the present invention includes a content format supported by the mobile communication terminals 200 and 214, transmission protocol information of the mobile communication terminals 200 and 214, whether video support is possible, and mobile communication. Information such as the version of the content player of the terminals 200 and 214, the type and display color of the display, the type of the vocoder, the visual profile details and the audio tool details are stored. Since the mobile communication terminals 200 and 214 have different content formats and transmission protocols according to the specifications and versions of the terminals, the mobile communication terminals 200 and 214 provide content suitable for the mobile communication terminals 200 and 214. The above-described information is stored for each. When the terminal information management server 206 receives the information inquiry request of the receiving mobile communication terminal 214 from the VMCG server 204, the terminal information management server 206 searches for the receiving mobile communication terminal 214 and receives the receiving mobile communication terminal ( The content format supported by 214 and the transmission protocol information of the receiving mobile communication terminal 214 are transmitted to the VMCG server 204.

In the customer information server 208 according to the preferred embodiment of the present invention, the subscriber's personal information such as the subscriber's name, social security number, telephone number, password, etc., and the service information such as the subscriber's fee system, call stop or call stop release, etc. And service usage history. In addition, whether to subscribe to an additional service is also stored, and if the user wants to transmit video content according to an exemplary embodiment of the present invention, whether the user is subscribed to the service and whether the billing target is transmitted to the VMCG server 204. do.

The MMS server 210 according to a preferred embodiment of the present invention receives a content to be transmitted and plays a role of relaying a multimedia message. In addition, when the VMCG server 204 transmits the content to be transmitted to the MMS server 210, the MMS server 210 transmits a response message to the VMCG server 204 in response to the content reception. The callback URL corresponding to the content to be transmitted is transmitted to the SMS server 212.

When the SMS server 212 according to the preferred embodiment of the present invention receives a callback URL corresponding to the content to be transmitted from the MMS server 210, the SMS server 212 includes the callback URL to the receiving mobile communication terminal 214 through the mobile communication network. Send SMS messages and reply phone numbers.

When the receiving mobile communication terminal 214 according to the preferred embodiment of the present invention receives an SMS message including the callback URL, the receiving mobile communication terminal 214 accesses the wireless data network 202 and downloads the content using the received callback URL. To this end, the transmitting mobile communication terminal 200 is provided with a web browser for accessing a wireless Internet as a means for accessing through the wireless data network 202, and has a player for playing contents.

The reception mobile communication terminal 214 that has downloaded the content may store the downloaded content or simultaneously play the downloaded content while executing a player embedded in the reception mobile communication terminal 214.

On the other hand, the receiving mobile communication terminal 214 according to a preferred embodiment of the present invention is a PDA (Personal Digital Assistant), cellular (Cellular) phone, PCS (Personal Communication Service) phone, Hand-Held PC (Hand-Held PC), GSM (Global System for Mobile) phones, W-CDMA (Wideband CDMA) phones, EV-DO phones, EV-DV (Data and Voice) phones and MBS (Mobile Broadband System) phones and the like.

The video download server (MDS) 216 according to the preferred embodiment of the present invention downloads the content and stores it in the reception mobile communication terminal 214 when the content to be transmitted to the reception mobile communication terminal 214 is a video. Server, and the video streaming server (pMss) 218 according to the preferred embodiment of the present invention downloads the content from the receiving mobile communication terminal 214 when the content to be transmitted to the receiving mobile communication terminal 214 is a video. It is a server to play while playing.

The information usage fee processing server (NIBS) 220 according to the preferred embodiment of the present invention works in conjunction with the customer information server 208, when a subscriber uses a telephone call service, a wireless Internet service, and a short message service. It calculates a fee based on the amount of data sent and received. Here, a method of paying a fee according to the amount of data transmitted and received is generally applied in a packet data communication system. In particular, when the content download to the receiving mobile communication terminal 214 is successful according to the preferred embodiment of the present invention, the transmitting mobile communication terminal 200 charges the content information usage fee.

4 is a flowchart illustrating a process of transmitting and receiving content having a different format between mobile communication terminals according to a preferred embodiment of the present invention.

First, the VMCG server 204 receives a content transfer request signal from the transmitting mobile communication terminal 200 (S400). In this case, the transmitted content transmission request signal includes basic information including the content data to be transmitted and the number of the receiving mobile communication terminal 214 to be transmitted.

The VMCG server 204 having received the content transmission request signal transmits basic information of the receiving mobile communication terminal 214 to which the content is to be transmitted to the terminal information management server 206 to inquire the received mobile communication terminal 214 information (S402). ). At this time, the information of the receiving mobile communication terminal 214 includes a transmission protocol of the receiving mobile communication terminal 214 and / or a content format supported by the receiving mobile communication terminal 214. As described above, the transmission protocol of the receiving mobile communication terminal 214 inquired by the terminal information management server 206 may be a Realtime Transport Protocol (RTP) protocol, a Delivery Multimedia Integration Framework (DMIF) protocol, and / or a wavelet type protocol. The compression codec of the content supported by the receiving mobile communication terminal 214 may be MPEG-4, H.26L, Wavelet method, MDA, Synchronized Multimedia Integration Language (SMIL), H.264, etc. have.

The VMCG server 204, which has received the information of the receiving mobile communication terminal 214 from the terminal information management server 206, uses the mapping database 205 to obtain an identifier corresponding to the content of the format supported by the receiving mobile communication terminal 214. Inquiry) (S404). According to a preferred embodiment of the present invention, the identifier to be queried at this time may be an identifier of a content provider and / or an identifier of a service providing the content.

The VMCG server 204 transmits the content corresponding to the retrieved identifier to the MMS server 210 (S406), and the MMS server 210 transmits a response message that is a response to the reception of the content to the VMCG server 204 ( S408).

When the MMS server 210 transmits a callback URL corresponding to the content to be transmitted to the SMS server 212, an SMS message including a callback URL and a reply telephone number are transmitted to the receiving mobile communication terminal 214 through the mobile communication network. It becomes (S410).

If the SMS message including the callback URL is successfully transmitted to the receiving mobile communication terminal 214, the MMS server 210 transmits the transmission result of the callback URL to the VMCG server 204 (S412). The receiving mobile communication terminal 214 receiving the content downloads the content using the received callback URL after accessing the wireless data network 202 (S414). The reception mobile communication terminal 214 that has downloaded the content may store the downloaded content or simultaneously play the downloaded content while executing a player embedded in the reception mobile communication terminal 214.

The reception mobile communication terminal 214 transmits the content download result to the VMCG server 204 (S416), and the VMCG server 204 receiving the download result determines whether the download is successful (S418). In connection with the customer information server 208 to query the information of the billing target person and processes the information usage fee in conjunction with the information usage fee processing server 220 (S420). On the other hand, if the download fails, the callback URL is retransmitted to the receiving mobile communication terminal 214 to perform the procedure of S410 or less.

On the other hand, when the information usage fee processing server 220 processes the information usage fee, the person to be charged two times before the content is transmitted from the transmitting mobile communication terminal 200 and after downloading the content from the receiving mobile communication terminal 214. By retrieving the information, the error in the charging due to the time difference of the content transmission does not occur.

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, according to the present invention, when a content having a different format is to be transmitted to another mobile communication terminal, the content having the same content but having the same content is automatically changed by using a mapping database that stores the meta information of the content. Inquiry has an effect of providing the content of the format supported by the receiving mobile communication terminal. Therefore, according to the present invention, there is an advantage that the video codec and the transmission protocol supported even by using only the mapping database can easily transmit and receive content such as a video between different terminals.

1 is a system for a wireless Internet service according to the prior art,

2 is a block diagram showing the configuration of a system for transmitting and receiving content having a different format between mobile communication terminals according to a preferred embodiment of the present invention;

3 is a view showing an example of a table stored in a mapping database according to a preferred embodiment of the present invention;

4 is a flowchart illustrating a process of transmitting and receiving content having a different format between mobile communication terminals according to a preferred embodiment of the present invention.

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

100: mobile communication terminal 102, 202: wireless data network

104: WAP server 106: VOD server

108: content database 200: transmitting mobile communication terminal

204: VMCG server 206: terminal information management server

208: Customer Information Server 210: MMS Server

212: SMS server 214: receiving mobile communication terminal

216: Video Download Server 218: Video Streaming Server

220: information fee processing server

Claims (40)

In the method for transmitting and receiving content having a different format between the mobile communication terminal, (a) receiving a content transmission request signal from a transmitting mobile communication terminal; (b) inquiring information of a receiving mobile communication terminal to receive the contents; (c) querying an identifier corresponding to content of a format supported by the receiving mobile communication terminal according to the inquiry result; (d) transmitting the content corresponding to the identifier to a multimedia messaging system (MMS) server; (e) transmitting a Call Back Uniform Resource Locator (URL) corresponding to the content to the receiving mobile communication terminal; And (f) downloading the content via the callback URL And transmitting and receiving content having a different format between mobile communication terminals. The method of claim 1, (g) receiving a result of the download; (h) querying billing subject information of the content if the download is successful; And (i) processing the content information usage fee of the billing subject; And transmitting and receiving content having a different format between mobile communication terminals. The method of claim 2, When processing the content information usage fee, the information of the billing subject is inquired before transmitting the content in the transmitting mobile communication terminal and after downloading the content in the receiving mobile communication terminal. How do I send and receive content with different formats? The method of claim 1, And a predetermined web browser for accessing the Internet as a means for accessing through a wireless data network. The method of claim 4, wherein The web browser includes a WAP (Wireless Application Protocol) browser, ME (Mobile Explorer) and I-mode method for transmitting and receiving content having a different format between the mobile communication terminal. The method of claim 1, And the content includes stored content and / or live content. The method of claim 1, The compression codec of the content includes one or more of MPEG 4, H.26L, Wavelet type, MDA, Synchronized Multimedia Integration Language (SMIL), and H.264. How to. The method of claim 1, The transmission protocol of the mobile communication terminal includes at least one of Real Time Transport Protocol (RTP), Delivery Multimedia Integration Framework (DMIF), and Wavelet method. The method of claim 1, And the identifier comprises one or more of a content provider identifier of the content and a service identifier for providing the content. The method of claim 1, And the identifier is queried in a mapping database. The method of claim 10, And the mapping database includes meta information of the contents. The method of claim 10, And the mapping database includes a separate content information table for each type of the content. The method of claim 12, The content information may include a content provider identifier that registers the content, an identifier of a service providing the content, a content upload service type, a play time of the content, a play count of the content, a video compression codec type of the content, And at least one of a text encoder type of content and a fee for using the information of the content. The method of claim 10, And when the content is registered in a content database, the content of the content is also registered in the mapping database. The method of claim 10, And after the content is registered in a content database, information of the registered content is registered in the mapping database at regular intervals. The method of claim 1, And when the content is transmitted to the MMS server, the MMS server transmits a response message including the callback URL corresponding to the content in response to the content having different formats. The method of claim 1, The information on the receiving mobile communication terminal includes a transmission protocol of the receiving mobile communication terminal and / or a content format supported by the receiving mobile communication terminal. A system for transmitting and receiving content having a different format between mobile communication terminals, When a content transmission request signal is received from a transmitting mobile communication terminal, a video multimedia content gateway (VMCG) for inquiring information of a receiving mobile communication terminal to provide content to a receiving mobile communication terminal in accordance with a format supported by the receiving mobile communication terminal. ) server; A terminal information management server storing a content format supported by the mobile communication terminal and transmission protocol information of the mobile communication terminal; And MMS (Multimedia Message Service) server receiving the content and relaying multimedia messages System for transmitting and receiving content having a different format between the mobile communication terminal comprising a. The method of claim 18, And the VMCG server includes a mapping database in which the content and the identifier of the content are mapped. The method of claim 19, And the mapping database includes meta information of the contents, and transmits and receives contents having different formats between mobile communication terminals. The method of claim 19, And the mapping database includes a separate content information table for each type of content. The method of claim 21, The content information may include a content provider identifier that registers the content, an identifier of a service providing the content, a content upload service type, a play time of the content, a play count of the content, a video compression codec type of the content, And at least one of a text encoder type of content and an information fee of information of the content. The method of claim 19, And when the content is registered in a content database, the content of the content is also registered in the mapping database. The method of claim 19, And after the content is registered in a content database, information of the registered content is registered in the mapping database at regular intervals. The method of claim 18, The mobile communication terminal is a system for transmitting and receiving content having a different format between the mobile communication terminal, characterized in that a predetermined web browser for accessing the Internet is installed as a means for connecting through a wireless data network. The method of claim 25, The web browser is a system for transmitting and receiving content having a different format between the mobile communication terminal comprising a WAP (Wireless Application Protocol) browser, ME (Mobile Explorer) and I-mode. The method of claim 18, And the content includes stored content and / or live content. The method of claim 18, The compression codec of the content includes one or more of MPEG 4, H.26L, Wavelet method, MDA, Synchronized Multimedia Integration Language (SMIL), and H.264. System. The method of claim 18, The transmission protocol of the mobile communication terminal is a system for transmitting and receiving content having a different format between the mobile communication terminal, characterized in that it comprises at least one of Real Time Transport Protocol (RTP), Delivery Multimedia Integration Framework (DMIF), Wavelet method. The method of claim 18, And the identifier comprises one or more of a content provider identifier of the content and a service identifier for providing the content. The method of claim 18, And when the contents are transmitted to the MMS server, the MMS server transmits a response message including the callback URL corresponding to the contents in response to the contents having different formats. The method of claim 18, The mobile communication terminal is a PDA (Personal Digital Assistant), a cellular (Cellular) phone, PCS (Personal Communication Service) phone, Hand-Held PC (GSM), Global System for Mobile (GSM) phone, W-CDMA (Wideband) CDMA), EV-DO phone, EV-DV (Data and Voice) phone and Mobile Broadband System (MBS) phone, characterized in that the system for transmitting and receiving content between different types of mobile communication terminal. In a system for transmitting and receiving content having a different format between mobile communication terminals, when a content transmission request signal is received from a transmitting mobile communication terminal, information of a receiving mobile communication terminal is queried for content corresponding to a format supported by the receiving mobile communication terminal. VMCG (Video Multimedia Content Gateway) server providing a content presenting service, characterized in that provided to the receiving mobile communication terminal. The method of claim 33, wherein The VMCG server provides a content presenting service providing VMCG server, characterized in that it comprises a mapping database (Mapping Database) is mapped to the content and the identifier of the content. The method of claim 34, wherein The mapping database includes a content (Meta) information of the content presenting service providing VMCG server. The method of claim 34, wherein The mapping database provides a content presenting service providing VMCG server, characterized in that it comprises a separate content information table for each type of content. The method of claim 36, The content information may include a content provider identifier that registers the content, an identifier of a service providing the content, a content upload service type, a play time of the content, a play count of the content, a video compression codec type of the content, VMCG server providing a content presenting service, characterized in that it comprises at least one of the text encoder type of the content and the information usage fee of the content. The method of claim 34, wherein When the content is registered in the content database, the content presenting service providing VMCG server, characterized in that the information of the content is also registered with the mapping database. The method of claim 34, wherein The content presenting service providing VMCG server, characterized in that after the content is registered in the content database, the information of the registered content is registered in the mapping database at regular intervals. The method of claim 33, wherein And the information of the receiving mobile communication terminal includes a transmission protocol of the receiving mobile communication terminal and / or a content format supported by the receiving mobile communication terminal.