KR100907410B1 - System and method for realizing multimedia-based bidirectional lettering service, and lettering service server applied to the same - Google Patents

Abstract

The present invention discloses a multimedia based interactive lettering service implementation system and method, and a lettering service server applied thereto. The system according to the present invention, the first communication terminal for requesting delivery of the multimedia lettering message to the second communication terminal while executing an outgoing or incoming call connection based on the call channel, the call channel in response to the request for transmission of the multimedia lettering message Lettering service server and lettering service server for transferring the multimedia lettering message to the second communication terminal after switching the communication session to the wireless internet channel, and switching the communication session from the wireless internet channel to the calling channel in response to the arrival of the response signal. It includes a multimedia content server for managing the multimedia lettering message in conjunction with. Accordingly, the present invention is so that the multimedia-based lettering message set from the caller is delivered to the called terminal through the wireless Internet channel when the call is sent, and the multimedia-based lettering message set at the called terminal is delivered to the calling terminal through the wireless Internet channel. By implementing the call, the user can further maximize the use of the lettering service by implementing various call transfer messages such as pictures and videos for each service subscriber before setting up the incoming and outgoing call.

Multimedia, lettering service, wireless internet

Description

System and Method for Implementing Multimedia-Based Bidirectional Lettering Service, and Lettering Service Server Applied to the System

The present invention relates to a lettering service in a mobile communication, and more particularly, a multimedia-based lettering message set from a caller is transmitted to a called terminal through a wireless internet channel at the time of a call, and together with the multimedia-based lettering set at a called terminal. The present invention relates to a multimedia-based bidirectional lettering service implementation system and method for implementing a bidirectional lettering service in which a message is transmitted to a calling terminal through a wireless internet channel, and a lettering service server applied thereto.

In recent years, the mobile communication terminal has emerged as a representative communication device that performs information transmission with a specific counterpart through a mobile communication network, and has been positioned as a communication device that is almost essential for social life, and provides a lot of convenience in life. However, due to the characteristics of the mobile communication terminal, there is a problem that causes serious social problems such as invasion of communication privacy such as telephone violence using anonymity, obscene calls and the like.

Therefore, in recent years, caller IDentification (CID) has been developed and used to solve the anxiety caused by the above-mentioned phone violence and display the caller's information on the called party's terminal for sound phone use. The requested mobile carrier is providing the service. There is already provided a lettering service for displaying on the called party's mobile communication terminal when a call is input by using a service provided to compensate for such a negative side.

The above-mentioned caller information display service is provided to enable the called party to check the information on the caller. The caller information display service (hereinafter referred to as 'CID service') provides CID information to an exchange housed by a subscriber registered with the CID service. When a call is received to a subscriber registered to the CID service while the CID server for the service is connected, the caller provided from the CID server by requesting caller information (for example, caller name) for the calling party number from the CID server to the CID server. By outputting the information to the CID terminal, the called party can easily check the sender's name.

In general, when performing a call processing at an exchange, when a local subscriber requests origination, a caller number information, a called party number information, etc. are transmitted to a CID exchange in charge of a translated called number by translating a called number input from a local subscriber. The called party exchange can call the called party accommodated in the own country by using the called party number information.

On the other hand, the CID service outputs the caller name information to the called party's CID terminal by using the calling party number information transmitted to the called side exchange, because the caller name information of the calling party number is stored in a database in the aforementioned CID server. When the called side exchange requests the caller name information of the calling party number to the CID server, the CID server provides a text message corresponding to the caller name to the called side exchange so that the caller name is output to the CID terminal by the called side exchange. will be.

However, in the conventional CID service, since the text message output through the CID terminal is limited only to the sender's name, the service utilization range is very narrow, and the limitations due to the service bandwidth and signal signaling are limited. Due to this, there is a limit in utilizing the multimedia content such as a picture or video stored in the caller's mobile terminal or a picture or video stored in the service providing system as a lettering message transmitted and received by the CID service.

Accordingly, the present invention has been made to solve the above problems, an object of the present invention is that the multimedia-based lettering message set from the caller is delivered to the called terminal through the wireless Internet channel when the call is made, and set together with the called terminal The present invention provides a system and method for implementing a multimedia-based bidirectional lettering service for implementing a bidirectional lettering service through which a multimedia-based lettering message is transmitted to a calling terminal through a wireless internet channel, and a lettering service server applied thereto.

In order to achieve the above object, a multimedia-based bidirectional lettering service implementation system according to the first aspect of the present invention provides a multimedia lettering message by opening a wireless Internet channel while executing an outgoing or incoming call connection based on a call channel. A first communication terminal for requesting transmission to the mobile station, and a response signal for establishing an incoming / outgoing call from the second communication terminal after switching a communication session from the communication channel to the wireless internet channel in response to a request for transmitting the multimedia lettering message And a lettering service server and the lettering service server for transferring the multimedia lettering message to the second communication terminal until the arrival of the message, and switching the wireless internet channel to the communication channel in response to the arrival of the response signal. Link the wireless Internet channel It is characterized in that it includes a multimedia content server, for managing the multimedia message to be sent and received lettering.

Preferably, the multimedia lettering message is pre-stored in the first communication terminal, or characterized in that the multimedia content server to the database corresponding to the first communication terminal.

Advantageously, the lettering service server receives a timing flag signal from the first communication terminal for switching a communication session to either one of the call channel and the wireless internet channel from the first communication terminal and through the switch to the second communication terminal. The wireless terminal may be configured to transmit the multimedia lettering message by forming the wireless Internet channel in the second communication terminal which is switched to an activation mode for waiting for wireless Internet connection establishment based on the timing flag signal.

Preferably, when the multimedia lettering message is databased in the multimedia content server, the lettering service server corresponds to the second communication terminal in response to a request for transmission of the multimedia lettering message from the first communication terminal. And interworking with the multimedia content server that previously stores the multimedia lettering message, and delivers the multimedia lettering message provided from the multimedia content server to the second communication terminal.

Preferably, when the multimedia lettering message is databased in the multimedia content server, the lettering service server requests transmission of the multimedia lettering message according to a request for transmission of the multimedia lettering message from the first communication terminal. It is set to correspond to the time zone information and the multimedia lettering message to be stored in conjunction with the previously stored multimedia content server, characterized in that for delivering the multimedia lettering message provided from the multimedia content server to the second communication terminal.

Preferably, the lettering service server is the first communication terminal or the second communication terminal in response to a request for transmission of the multimedia lettering message from the first communication terminal when the multimedia lettering message is databased in the multimedia content server. After extracting the location information for the communication terminal, and in conjunction with the multimedia content server for pre-store the multimedia lettering message corresponding to the location area where the first communication terminal or the second communication terminal can be located, the multimedia The multimedia lettering message received through matching of the location information and the location area from a content server is characterized in that for transmitting to the second communication terminal.

Preferably, the lettering service server is characterized in that to extract the location information of the first communication terminal or the second communication terminal based on the called terminal information floating through the call channel.

Preferably, the called terminal information is characterized in that it comprises the base station information.

Preferably, the lettering service server is characterized in that the transcoding the multimedia lettering message based on the specification information for the second communication terminal and delivers to the second communication terminal.

Preferably, the first communication terminal is a calling terminal or a called terminal, and the second communication terminal is the called terminal if the first communication terminal is the calling terminal, and the calling terminal if the first communication terminal is the called terminal. Characterized in that the terminal.

Preferably, the multimedia lettering message is characterized in that it comprises at least one of text, images, and video.

In addition, the lettering service server for implementing a multimedia-based two-way lettering service according to a second aspect of the present invention for achieving the above object, by opening a wireless Internet channel while executing an outgoing or incoming call connection based on the call channel multimedia In response to a request from a first communication terminal for delivering a lettering message to a second communication terminal, a response signal for establishing an incoming / outgoing call from the second communication terminal arrives after switching a communication session from the communication channel to the wireless internet channel. Until the multimedia lettering message is transmitted to the second communication terminal, and the communication session is switched from the wireless internet channel to the call channel in response to the arrival of the response signal.

Preferably, the lettering service server is a call channel execution unit for executing the outgoing or incoming call connection through the call channel, a wireless Internet channel execution unit for transmitting and receiving the multimedia lettering message through the wireless Internet channel, A communication session switching unit for switching a communication session to one of the call channel and the wireless internet channel in response to a call setup signal provided from the first communication terminal or the second communication terminal and from the first communication terminal The call channel is switched to the wireless Internet channel in response to a request for transmission of the multimedia lettering message while executing the outgoing or incoming call connection, and the arrival of the response signal is transmitted while delivering the multimedia lettering message through the wireless Internet channel. By the wireless internet channel It characterized in that it comprises a lettering service control unit for executing the processing for switching the communication session with the communication channel.

Preferably, the lettering service server is a service interlocking unit for receiving the multimedia lettering message in conjunction with the multimedia content server, if the multimedia lettering message is stored in the multimedia content server based on the wireless Internet channel. It further comprises.

Preferably, the lettering service control unit receives the multimedia lettering message in association with the multimedia content server in response to a request for transmission of the multimedia lettering message from the first communication terminal, and receives the second message through the wireless Internet channel. And processing to deliver the multimedia lettering message to a communication terminal.

Preferably, when the multimedia lettering message is stored in the first communication terminal, the lettering service control unit switches to the wireless internet channel through processing for switching a communication session for the call channel, and the wireless internet. And switching the communication session for the second communication terminal based on a channel and then performing processing for transferring the multimedia lettering message provided from the first communication terminal to the second communication terminal.

Preferably, the wireless Internet channel execution unit uploads the multimedia lettering message from the first communication terminal to the second communication terminal or transfers the multimedia lettering message from the first communication terminal to receive the streaming. It is characterized in that the transfer to the communication terminal.

In addition, in order to achieve the above object, a method of implementing a multimedia-based bidirectional lettering service according to a third aspect of the present invention includes (a) a multimedia in which a first communication terminal which executes an outgoing or incoming call connection based on a call channel is already stored. Extracting a lettering message, (b) accessing a lettering service server and requesting transmission of the multimedia lettering message to a second communication terminal which is a counterpart terminal of the communication channel, and (c) the lettering service server at the call channel. Processing to convert a communication session of the wireless communication channel into a wireless internet channel; and (d) delivering the multimedia lettering message provided from the first communication terminal to the second communication terminal via the wireless internet channel. It is characterized by.

Preferably, the multimedia-based two-way lettering service implementation method, (e) when the response signal for the incoming call setting from the second communication terminal arrives, the incoming and outgoing call by switching the communication session to the communication channel to the wireless Internet channel And performing a call connection.

Preferably, the step (c) is characterized in that the wireless Internet channel is formed between the first communication terminal and the second communication terminal.

In addition, according to the fourth aspect of the present invention, a method of implementing a multimedia-based bidirectional lettering service according to the present invention includes: (a) a first communication terminal executing an outgoing or incoming call connection based on a call channel to a multimedia content server Requesting to transmit a previously stored multimedia lettering message to a second communication terminal which is a counterpart terminal of the call channel, (b) the lettering service server responding to the request to switch the communication session of the call channel to a wireless internet channel; Performing processing for receiving the multimedia lettering message in cooperation with the multimedia content server; and (c) delivering the multimedia lettering message to the second communication terminal through the wireless internet channel. It is done.

Preferably, the step (d) includes (d) when the response signal for the incoming / outgoing call setup arrives from the second communication terminal, performing an incoming / outgoing call connection by switching a communication session from the wireless Internet channel to the call channel. It further comprises a step.

Preferably, in the step (b), the location area in which the first communication terminal or the second communication terminal is located and the multimedia lettering message are set to correspond to the multimedia content server which is previously stored. The multimedia lettering message may be provided according to the determination result from the multimedia content server determining whether to match with the location area based on the location information of the first communication terminal or the second communication terminal.

Preferably, the location information of the first communication terminal or the second communication terminal is formed on the basis of the called terminal information (including base station information) floating through the communication channel.

Preferably, in the step (b), the subscriber information for the second communication terminal and the multimedia lettering message are set to correspond to the multimedia content server which is previously stored, and the multimedia lettering message is received from the multimedia content server. It is characterized by receiving.

Preferably, the step (b) may be performed to correspond to the time zone information requesting the transmission of the multimedia lettering message and the multimedia lettering message so as to interwork with the multimedia content server being stored, The multimedia lettering message is provided from the multimedia content server according to a request.

Preferably, the step (b) maintains the communication channel with the first communication terminal and forms the wireless internet channel with the second communication terminal.

Accordingly, in the present invention, the multimedia-based lettering message set from the caller is transmitted to the called terminal through the wireless internet channel when the call is transmitted, and the multimedia-based lettering message set at the called terminal is transmitted to the calling terminal through the wireless internet channel. By implementing various call transfer messages such as photos and videos for each service subscriber before setting up the incoming and outgoing call, the use of the lettering service can be maximized further, and such multimedia-based lettering messages can be provided differently according to the called party. In addition, it may provide discrimination by time zone for requesting outgoing, and further, based on multimedia based on the area where the caller or called party is located by using the base station information included in the incoming / outgoing call setup without the support of a system for executing the location-based service. There is creation of application services that benefit is also very easy, such as who can provide lettering message.

Hereinafter, a preferred embodiment of a system for implementing a multimedia-based bidirectional lettering service according to the present invention with reference to the accompanying drawings in more detail.

1 is a block diagram of a system for implementing a multimedia-based two-way lettering service according to an embodiment of the present invention. As shown in FIG. 1, a system for implementing a multimedia-based two-way lettering service is configured to send a predetermined multimedia lettering message through a call channel for executing an outgoing or incoming call connection to be a second terminal of the call channel. Call set up between the first communication terminal 100 and the second communication terminal 200 in response to the first communication terminal 100 to request delivery to the communication terminal 200, the multimedia lettering message transmission request The communication session is switched to the wireless Internet channel, and after this process, the multimedia lettering message is transmitted to the second communication terminal 200 until the response signal for the incoming / outgoing call setup is received from the second communication terminal 200. Lettering service server 300 and the phase for switching the wireless Internet channel to the call channel in response to the arrival of the response signal And a multimedia content server 400 for managing the multimedia lettering message transmitted and received through a wireless Internet channel.

Furthermore, the multimedia lettering message is previously stored in the first communication terminal 100 or previously stored for each subscriber in the multimedia content server 400. Hereinafter, these two cases will be described in detail.

In addition, the first communication terminal 100 may be a calling terminal or a called terminal. If the first communication terminal 100 is a calling terminal, the second communication terminal 200 becomes a called terminal, and the first communication. If the terminal 100 is a called terminal, the second communication terminal 200 becomes a calling terminal. Accordingly, hereinafter, the first communication terminal 100 is a calling terminal and the second communication terminal 200 will be described in detail as a case of a called terminal.

The lettering service server 300 requires a signal for synchronizing to switch between a call channel and a wireless internet channel, and for this purpose, a timing flag signal for switching a communication session to any one of a call channel and a wireless internet channel. Is received while requesting the transfer of the multimedia lettering message with the outgoing request from the first communication terminal 100 and delivered to the second communication terminal 200 through the exchange, based on the timing flag signal the second communication terminal 200 In the process of forming a call channel) to switch to the activation mode to wait to establish a wireless Internet connection, through which the second communication terminal 200 forms a wireless Internet channel and delivers the multimedia lettering message.

In addition, when the multimedia lettering message is stored in a database and stored in the multimedia content server 400, the lettering service server 300 in response to the request for transmitting the multimedia lettering message from the first communication terminal 100 to the incoming and outgoing terminal information Extract location information of the second communication terminal 200 based on the included base station information (here, it is also possible to extract the location information of the first communication terminal 100 based on the base station information), based on the extracted location information In conjunction with the multimedia content server 400 (sets a location area in which the first communication terminal 100 or the second communication terminal 200 can be located and sets and stores a multimedia lettering message corresponding to the location area). The multimedia lettering message matching the position information is received and transmitted to the second communication terminal 200.

The multimedia lettering message stored in the multimedia content server 400 may be set in advance by a swap connection through the first communication terminal 100 or the second communication terminal 200 or through a wired terminal 500 such as a personal computer. It is possible to set in advance via web connection.

In this case, the lettering service server 300 may correspond to the multimedia content server 400 (for each called party, that is, for each second communication terminal 200) according to the request for transmitting the multimedia lettering message of the first communication terminal 100. And store the message in advance) and deliver the multimedia lettering message provided from the multimedia content server 400 to the second communication terminal 200.

Also, in this case, the lettering service server 300 is set in response to the multimedia content server 400 (the first communication terminal 100 for each time zone requested by the transmission request of the multimedia lettering message of the first communication terminal 100). And save the multimedia lettering message, and delivers the multimedia lettering message provided from the multimedia content server 400 to the second communication terminal 200.

Meanwhile, the lettering service server 300 may also execute a separate transcoding process for conforming the multimedia lettering message to the second communication terminal 200 based on the specification information on the second communication terminal 200. Preferably, the multimedia lettering message refers to a message implemented by including at least one of text, an image, and a video.

Furthermore, when the user of the second communication terminal 200, which is the called terminal, is also subscribed to the service for providing the multimedia lettering message, the corresponding multimedia lettering message is transmitted to the first communication terminal 100 which is the calling terminal through the reverse order of the above process. Will be delivered.

2 is a block diagram of the lettering service server 300 shown in FIG. As shown in FIG. 2, the lettering service server 300 is a call channel execution unit 310 for executing an outgoing or incoming call connection through a call channel formed in connection with call setting configurations of a communication network, and a wireless Internet channel. The call channel and the wireless Internet channel in response to a call setting signal provided from the wireless Internet channel execution unit 320, the first communication terminal 100 or the second communication terminal 200 for transmitting and receiving a multimedia lettering message through The communication session switching unit 330 for switching the communication session to any one of the channels and the first communication terminal 100 to perform a call or incoming call connection while responding to the request for transmission of the multimedia lettering message to the wireless Internet By switching to the channel and delivering the multimedia lettering message through the wireless internet channel, upon reaching the response signal And a lettering service control unit 340 that executes processing to switch the communication session from the channel to the call channel.

Furthermore, when the multimedia lettering message is stored in the multimedia content server 400 based on the wireless internet channel, the lettering service server 300 provides the multimedia lettering message in association with the multimedia content server 400. It further includes a service interlocking unit 350 for receiving.

The lettering service control unit 340 is provided with the multimedia lettering message in conjunction with the multimedia content server 400 in response to a request for transmission of the multimedia lettering message from the first communication terminal 100, and is provided through a wireless Internet channel. 2 is characterized in that the processing for delivering the multimedia lettering message to the communication terminal (200).

When the multimedia lettering message is pre-stored in the first communication terminal 100, the lettering service control unit 340 switches to the wireless Internet channel through processing for switching a communication session for the call channel, and Transmitting the multimedia lettering message provided from the first communication terminal 100 to the second communication terminal 200 after switching a communication session for the second communication terminal 200 based on a wireless internet channel. Characterized in that for executing processing.

The wireless Internet channel execution unit 320 receives the multimedia lettering message from the first communication terminal 100 and uploads the multimedia lettering message to the second communication terminal 200 or from the first communication terminal 100. The multimedia lettering message is provided by streaming and delivered to the second communication terminal 200.

Hereinafter, the operation of the system for implementing a multimedia-based bidirectional lettering service according to the present invention with reference to the accompanying drawings in detail as follows.

3 is a flowchart illustrating an operation process of a system for implementing a multimedia-based bidirectional lettering service illustrated in FIG. 1 as a first embodiment. As shown in FIG. 3, the method for implementing a multimedia-based bidirectional lettering service is a case in which a predetermined multimedia lettering message is pre-stored in the first communication terminal 100, which is a calling terminal, based on the multimedia lettering message. In step S100 and S102, the second communication terminal 200 executes an incoming / outgoing call request and a request for transmission of a multimedia lettering message.

Accordingly, the lettering service server 300 that receives the request for the transmission of the multimedia lettering message through the components constituting the call setting process transmits an incoming / outgoing call setting signal to the second communication terminal 200 in response (S104). In operation S104, the second communication terminal 200 switches to an activation mode for setting up the wireless Internet through a timing flag signal received together with an incoming / outgoing call setup signal (S106).

Thereafter, the lettering service server 300 executes a communication session switching to a wireless internet channel through the call channel, and transmits a session switching message to the first communication terminal 100 and the second communication terminal 200, thereby responding to the response message. It is provided (S108 to S116). Through this processing, a wireless internet channel is formed between the first communication terminal 100 and the second communication terminal 200 through a call relay of the lettering service server 300 (S118). Accordingly, the first communication terminal 100 ) Transfers the multimedia lettering message that is already stored (S120), and the lettering service server 300 re-delivers the received multimedia lettering message to the second communication terminal 200 (S122).

Thus, the second communication terminal 200 displays the multimedia lettering message on the terminal screen, and if the sound signal is included, the speaker output is accompanied (S124). Subsequently, when the user of the second communication terminal 200 receives an incoming call in response to an incoming / outgoing call setup signal, the incoming response signal is transmitted to the lettering service server 300 to stop the transmission of the multimedia lettering message and then wirelessly. Switching from the Internet channel to the call channel (S126 and S128).

4 is a flowchart illustrating an operation process of a system for implementing a multimedia-based bidirectional lettering service illustrated in FIG. 1 as a second embodiment. As shown in FIG. 4, the method for implementing a multimedia-based bidirectional lettering service is a case in which the multimedia content server 400 pre-stores a predetermined multimedia lettering message. In step S200 and S202, the multimedia content server 400 requests an incoming / outgoing call together with a request for transmitting a multimedia content message that is already stored.

Accordingly, the lettering service server 300 that receives the request for the transmission of the multimedia lettering message through the components constituting the call setting process responds and transmits an incoming / outgoing call setting signal to the second communication terminal 200 (S204). In operation S206, the second communication terminal 200 switches to an activation mode for wireless Internet setting through a timing flag signal received together with an incoming / outgoing call setup signal (S206).

Thereafter, the lettering service server 300 switches the communication session from the communication channel to the wireless Internet channel to provide the multimedia content message corresponding to the request of the first communication terminal 100 to the multimedia content server 400. After the request, the corresponding multimedia lettering message is provided from the multimedia content server 400 (S208 to S212). In this process, the lettering service server 300 and the multimedia content server 400 interoperate with each other based on the location of the first communication terminal 100 or the second communication terminal 200 or the subscriber of the second communication terminal 200. And a related application service, such as implementing a service in response to the service request time of the first communication terminal 100 or additionally realizing a service.

After that, the lettering service server 300 transmits a session switch message to the second communication terminal 200 and receives a response message accordingly (S214 and S216). Through this processing, the lettering service server 300 establishes a wireless internet channel with the second communication terminal 200 (S218), and accordingly, the lettering service server 300 transmits the received multimedia lettering message to the second communication terminal. It will be delivered to (200) (S220).

Thus, the second communication terminal 200 displays the multimedia lettering message on the terminal screen, and if the sound signal is included, the speaker output is accompanied (S222). Subsequently, when the user of the second communication terminal 200 receives an incoming call in response to an incoming / outgoing call setup signal, the incoming response signal is transmitted to the lettering service server 300 to stop the transmission of the multimedia lettering message and then wirelessly. Switching from the Internet channel to the call channel (S224 and S226).

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

1 is a configuration diagram of a system for implementing a multimedia-based two-way lettering service according to an embodiment of the present invention,

2 is a configuration diagram of the lettering service server shown in FIG.

3 is a flowchart illustrating an operation process of a system for implementing a multimedia-based bidirectional lettering service illustrated in FIG. 1 as a first embodiment; and

4 is a flowchart illustrating an operation process of a system for implementing a multimedia-based bidirectional lettering service illustrated in FIG. 1 as a second embodiment.

<Description of Symbols for Main Parts of Drawings>

100: first communication terminal 200: second communication terminal

300: lettering service server 310: call channel execution unit

320: wireless Internet channel execution unit 330: communication session switching unit

340: lettering service control unit 350: service interlocking unit

400: multimedia content server 500: wired terminal

Claims (25)

A first communication terminal for requesting delivery of a multimedia lettering message to a second communication terminal by opening a wireless Internet channel while executing an outgoing or incoming call connection based on a call channel; After switching the communication channel to the wireless Internet channel in response to the request for transmitting the multimedia lettering message, a response signal for establishing an incoming / outgoing call is received from the second communication terminal based on the communication session of the wireless Internet channel. A lettering service server for transmitting the multimedia lettering message to the second communication terminal until the multimedia lettering message is switched, and in response to the arrival of the response signal, the wireless internet channel to switch the communication session to the call channel; And And a multimedia content server for managing the multimedia lettering message transmitted and received through the wireless internet channel in association with the lettering service server. The lettering service server, When another multimedia lettering message corresponding to the second communication terminal is preset, the other multimedia lettering message is transmitted to the first communication terminal through the wireless internet channel. Receives a timing flag signal for waiting for wireless Internet connection setting from the first communication terminal and transmits it to the second communication terminal through an exchange, and switches to an activation mode for waiting for wireless internet connection setting based on the timing flag signal. And forming the wireless internet channel in the second communication terminal to deliver the multimedia lettering message. The method of claim 1, wherein the multimedia lettering message is Multimedia-based bidirectional lettering service implementation system, characterized in that the pre-stored in the first communication terminal or a database corresponding to the first communication terminal in the multimedia content server. delete The lettering service server of claim 2, wherein When the multimedia lettering message is databased in the multimedia content server, the multimedia that stores the multimedia lettering message in response to the second communication terminal in response to a request for transmission of the multimedia lettering message from the first communication terminal. A multimedia-based interactive lettering service implementation system interoperating with a content server and delivering the multimedia lettering message provided from the multimedia content server to the second communication terminal. The lettering service server of claim 2, wherein When the multimedia lettering message is databased in the multimedia content server, time information and the multimedia lettering message requesting transmission of the multimedia lettering message according to the transmission request for the multimedia lettering message from the first communication terminal. And set to correspond to and interoperate with the previously stored multimedia content server, and deliver the multimedia lettering message provided from the multimedia content server to the second communication terminal. The lettering service server of claim 2, wherein When the multimedia lettering message is databased in the multimedia content server, after extracting location information of the first communication terminal or the second communication terminal according to a request for transmission of the multimedia lettering message from the first communication terminal. And interworking with the multimedia content server that pre-stores the multimedia lettering message in correspondence with a location area in which the first communication terminal or the second communication terminal is located, the location information and the location area from the multimedia content server. Multimedia-based interactive lettering service implementation system, characterized in that for delivering the multimedia lettering message provided through the matching of the second communication terminal. The method of claim 6, wherein the lettering service server is Multimedia-based interactive lettering service implementation system, characterized in that for extracting the location information of the first communication terminal or the second communication terminal based on the incoming and outgoing terminal information transmitted through the call channel. The lettering service server of claim 2, wherein And transcoding the multimedia lettering message based on the specification information of the second communication terminal and transmitting the multimedia lettering message to the second communication terminal. The method of claim 1, wherein the first communication terminal Is the calling terminal or the called terminal, And said second communication terminal is said called terminal if said first communication terminal is said calling terminal, and said calling terminal is said calling terminal if said first communication terminal is said called terminal. The method of claim 1, wherein the multimedia lettering message is Multimedia-based interactive lettering service implementation system comprising at least one of a text, an image and a video. Transmits a timing flag signal for waiting for a wireless Internet connection to the second communication terminal, A communication session in response to a request from a first communication terminal for opening a wireless internet channel and delivering a multimedia lettering message to a second communication terminal while executing an outgoing or incoming call connection based on the communication channel; After switching, the multimedia lettering message is transmitted to the second communication terminal until the response signal for the incoming / outgoing call setup is received from the second communication terminal based on the communication session of the wireless Internet channel, and the response signal is reached. In response to redirecting the wireless internet channel to the communication channel; When another multimedia lettering message corresponding to the second communication terminal is preset, lettering for implementing a multimedia-based two-way lettering service by transferring the other multimedia lettering message to the first communication terminal through the wireless Internet channel. Service server. The method of claim 11, wherein the lettering service server is A call channel execution unit for executing the outgoing or incoming call connection through the call channel; A wireless internet channel execution unit for transmitting and receiving the multimedia lettering message through the wireless internet channel; A communication session switching unit for switching a communication session to one of the call channel and the wireless internet channel in response to a call setup signal provided from the first communication terminal or the second communication terminal; And The call channel is switched to the wireless Internet channel in response to a request for transmitting the multimedia lettering message while executing the outgoing or incoming call connection from the first communication terminal, and the multimedia lettering message is transmitted through the wireless Internet channel. Lettering service server for implementing a multimedia-based two-way lettering service, characterized in that it comprises a lettering service control unit for performing processing for switching the wireless Internet channel to the communication channel by the arrival of the response signal. The method of claim 12, wherein the lettering service server is When the multimedia lettering message is pre-stored in the multimedia content server based on the wireless Internet channel, the multimedia-based, characterized in that it further comprises a service interlocking unit for receiving the multimedia lettering message in conjunction with the multimedia content server Lettering service server for implementing interactive lettering service. The method of claim 13, wherein the lettering service control unit In response to a request for transmitting the multimedia lettering message from the first communication terminal, the multimedia lettering message is provided in cooperation with the multimedia content server, and the multimedia lettering message is transmitted to the second communication terminal through the wireless internet channel. Lettering service server for implementing a multimedia-based two-way lettering service, characterized in that the processing for executing. The method of claim 12, wherein the lettering service control unit When the multimedia lettering message is pre-stored in the first communication terminal, the mobile terminal switches to the wireless internet channel through processing for switching a communication session for the call channel, and based on the wireless internet channel, the second communication. After switching the communication session for the terminal to perform the processing for delivering the multimedia lettering message provided from the first communication terminal to the second communication terminal for implementing a multimedia-based two-way lettering service Lettering Service Server. The method of claim 12, wherein the wireless Internet channel execution unit Receiving the multimedia lettering message from the first communication terminal and uploading the multimedia lettering message to the second communication terminal, or receiving the multimedia lettering message from the first communication terminal and streaming the multimedia lettering message to the second communication terminal. Lettering service server for implementing multimedia-based two-way lettering service. (A) extracting a multimedia lettering message previously stored by a first communication terminal executing an outgoing or incoming call connection based on a call channel; (B) accessing a lettering service server and requesting transmission of the multimedia lettering message to a second communication terminal which is a counterpart terminal of the call channel; (C) the lettering service server processing for converting a communication session of the call channel to a wireless internet channel; And (D) delivering the multimedia lettering message to the second communication terminal based on the communication session of the wireless internet channel until the response signal for the incoming / outgoing call setup is received from the second communication terminal, The (d) step is, When the other multimedia lettering message corresponding to the second communication terminal is set in advance, characterized in that for transmitting the other multimedia lettering message to the first communication terminal via the wireless Internet channel, The (c) step is When the second communication terminal receives a timing flag signal from the first communication terminal, switching to an activation mode for waiting for wireless internet connection setting and then waiting for a wireless internet connection request to arrive. Multimedia-based interactive lettering service implementation method. The method of claim 17, wherein the multimedia-based interactive lettering service is implemented. (E) if the response signal for the incoming / outgoing call setup arrives from the second communication terminal, switching the communication session from the wireless internet channel to the call channel, and performing the incoming / outgoing call connection. How to Implement Based Bidirectional Lettering Service. 19. The method of claim 17 or 18, wherein step (c) The method of claim 2, wherein the wireless Internet channel is formed between the first communication terminal and the second communication terminal. (A) requesting, by the first communication terminal for executing an outgoing or incoming call connection based on the call channel, to transmit a multimedia lettering message which is already stored in the multimedia content server to a second communication terminal which is a counterpart terminal of the call channel; (B) a lettering service server responding to the request executes processing for converting a communication session of the call channel into a wireless internet channel, and receives the multimedia lettering message in association with the multimedia content server; And (C) delivering the multimedia lettering message to the second communication terminal based on the communication session of the wireless internet channel until the response signal for the incoming / outgoing call setup is received from the second communication terminal, The (c) step, If another multimedia lettering message corresponding to the second communication terminal is set in advance, characterized in that for transmitting the other multimedia lettering message to the first communication terminal via the wireless Internet channel and Step (b) is When the second communication terminal receives a timing flag signal from the first communication terminal, switching to an activation mode for waiting for wireless internet connection setting and then waiting for a wireless internet connection request to arrive. Multimedia-based interactive lettering service implementation method. The method of claim 20, wherein the multimedia-based interactive lettering service is implemented. (D) if the response signal for the incoming / outgoing call setup arrives from the second communication terminal, switching the communication session from the wireless internet channel to the call channel and executing the incoming / outgoing call connection. How to Implement Based Bidirectional Lettering Service. 22. The method of claim 20 or 21, wherein (b) Set the location area where the first communication terminal or the second communication terminal can be located and the multimedia lettering message to correspond to the multimedia content server that is previously stored, and the first communication terminal or the second communication terminal. And receiving the multimedia lettering message according to the determination result from the multimedia content server determining whether to match with the location area based on the location information of the multimedia information server. 22. The method of claim 20 or 21, wherein (b) Multimedia-based bidirectional, characterized in that the subscriber information for the second communication terminal and the multimedia lettering message is set to correspond to the multimedia content server that is stored in advance, and the multimedia lettering message is provided from the multimedia content server. How to implement lettering service. 22. The method of claim 20 or 21, wherein (b) Set to correspond to the time zone information requesting the transmission of the multimedia lettering message and the multimedia lettering message to interwork with the previously stored multimedia content server, the multimedia lettering from the multimedia content server at the request of the first communication terminal A method of implementing a multimedia-based bidirectional lettering service, characterized in that a message is provided. 22. The method of claim 20 or 21, wherein (b) And maintaining the first communication terminal and the call channel, and forming the wireless internet channel with the second communication terminal.

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