KR100908130B1 - System and method for multimedia message transmission using video call - Google Patents

Abstract

The present invention relates to a multimedia message transmission system and method using a video call.

To this end, the present invention provides a home location register for storing subscriber information of a called terminal; A multimedia message center for receiving a multimedia message; A multimedia message conversion server for converting the multimedia message into moving picture data and transmitting the same to the called terminal; And a short message service center for transmitting the message incoming notification message to the called terminal. In addition, the present invention converts the multimedia message received from the calling terminal into the video data, notifies the receiving terminal of the reception of the multi-message through the short message to connect the video call, and transmits the converted video data through the connected video call It provides a multimedia message transmission method.

According to the present invention, it is possible to transmit a multimedia message to a mobile terminal that does not include a multimedia message receiving function using a video call function, thereby activating a multimedia message service and increasing the success rate of delivering a multimedia message. .

Multimedia message, MMS, video call, MMS conversion, mobile terminal

Description

System and Method for Transmitting Multimedia Message with Video Call

The present invention relates to a multimedia message transmission system and method using a video call. In particular, the present invention relates to a system for transmitting a multimedia message to a mobile terminal not equipped with a function of receiving a multimedia message, and a method of transmitting a multimedia message using a video call.

As electronic and communication technologies are rapidly developed and various contents are mass-produced, various wireless communication services, such as a wireless voice call service, a text message service, and a wireless Internet service, are provided using a mobile communication network.

In particular, recently, the third generation mobile communication system IMT-2000 (International Mobile Telecommunication 2000) (eg, CDMA 2000, Wideband CDMA (WCDMA, etc.)) is commercialized, thereby improving the quality of existing voice call service and wireless Internet service. Of course, various multimedia data (AOD, VOD, etc.) can be provided at a higher speed. As such, as the third generation mobile communication system can provide various multimedia data at high speed, the video call service can be provided.

In the mobile terminal for using the video call service, a subscriber identity module (SIM) card including customer information is used. The user can receive various mobile communication services using the mobile terminal by inserting the SIM card assigned to the mobile terminal.

Conventionally, when a mobile communication service provider releases various platforms for its mobile communication service on a mobile terminal, the user selects and registers a desired terminal from among the mobile terminals released by the mobile communication service company to register the mobile communication service. Could be provided. However, as the SIM card is activated, the user selects a desired terminal among mobile terminals produced by a plurality of terminal manufacturers, and inserts a SIM card registered in the mobile communication service provider into the selected mobile terminal. It is possible to receive a mobile communication service from a registered mobile communication service provider.

As the SIM card is activated, various types of mobile terminals have been released. In particular, as more users do not use the wireless Internet, which has to pay an expensive fee, mobile terminals have also been released with the wireless Internet access function removed. In addition, with the platform used in foreign countries, a terminal that cannot use the wireless Internet access function has been released.

Meanwhile, among the mobile communication services, the multimedia message service is a service that includes multimedia data desired by a user in a message and transmits the message. However, since the multimedia message service transmits the attached multimedia data through the wireless Internet, there is a problem in that the mobile terminal from which the wireless Internet access function is removed cannot receive the multimedia message transmitted from another user.

As such a problem occurs, there is a demand for a technology for providing a multimedia message to a mobile terminal that cannot receive the multimedia message due to the removal of the wireless Internet access function. Accordingly, an aspect of the present invention is to provide a method for providing a transmitted multimedia message and a system therefor by using a video call function of a mobile terminal.

A multimedia message transmission system according to an embodiment of the present invention is a system for transmitting a multimedia message to a called terminal using a video call, comprising: a home location register for storing subscriber information of the called terminal; A multimedia message center for receiving a multimedia message generated from an originating terminal and confirming whether or not the subscriber station is equipped with a multimedia message receiving function through a home location register; A multimedia message conversion server for converting a multimedia message received from the multimedia message center into moving picture data and transferring moving picture data through a video call generated between the receiving terminal; And a short message service center generating a message incoming notification message indicating that the multimedia message has been received by the multimedia message conversion server and transmitting the message to the destination terminal.

In addition, the method for transmitting a multimedia message according to the first embodiment of the present invention is a method for transmitting a multimedia message to a called terminal by using a video call, which comprises: (a) transmitting a multimedia message received at a calling terminal through a video call Converting and storing the moving image data for; (b) transmitting a short message notifying the reception of the multimedia message to the called terminal; (c) establishing a video call connection according to a request for providing a multimedia message from a called terminal; And (d) calling the stored video data and transmitting the video data through the video call.

In addition, the method for transmitting a multimedia message according to the second embodiment of the present invention is a method for transmitting a multimedia message to a called terminal using a video call, the method comprising the steps of: (a) storing a multimedia message received at the calling terminal; (b) transmitting a short message notifying the reception of the multimedia message to the called terminal; (c) establishing a video call connection according to a request for providing a multimedia message from a called terminal; And (d) calling the stored multimedia message and converting the multimedia message into video data for transmission through a video call; And (e) transmitting video data through the video call.

According to the present invention, due to the non-wireless Internet access function, the unloading of the multimedia message receiving function, the unconfirmed multimedia message transmission standard or the difference of the multimedia message transmission standard due to the type not being determined, conventionally, the multimedia message transmission is not performed. As it is possible to transmit a multimedia message using a video call function to an impossible mobile terminal, an effect of activating a multimedia message service and increasing the success rate of delivering a multimedia message can be expected. In addition, as it is unclear whether the mobile terminal receives the multimedia message, there is an effect that can solve the user's inconvenience that had to feel difficult to select the mobile terminal.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when a part is said to "include" a certain component, it means that it can further include other components, without excluding other components unless specifically stated otherwise. In addition, the terms “… unit”, “… unit”, “module”, etc. described in the specification mean a unit that processes at least one function or operation, which may be implemented by hardware or software or a combination of hardware and software. have.

1 is a block diagram schematically illustrating a system for transmitting a multimedia message using a video call according to an embodiment of the present invention.

Multimedia message transmission system according to an embodiment of the present invention is the originating terminal 100, originating network 110, home location register (HLR: Home Location Register, hereinafter referred to as 'HLR') 120, multimedia message service center ( MMSC: Multimedia Messaging Service Center (hereinafter referred to as 'MMSC') 130, Short Message Service Center (SMSC: referred to as 'SMSC') 140, Multimedia Message Conversion Server (hereinafter referred to as 'MMS') Conversion server), the called network 160, and the called terminal 170. Here, the originating network 110 includes an originating base station 112 and an originating exchange 114, and the terminating network 160 includes a terminating base station 162 and a terminating exchange 164.

The originating terminal 100 is a terminal for generating a multimedia message using the on-board message generating program and transmitting the same through the originating network 110. In this case, the multimedia message generated by the calling terminal 100 includes multimedia data such as music, pictures, and videos.

The originating base station 112 is a device that is connected to the calling terminal 100 in a wireless section to control the calling terminal 100 and connects a call channel, and transmits a multimedia message sent from the calling terminal 100 to the calling exchange 114. It plays a role of transmitting.

The originating exchange 114 is a core network element of a mobile communication network, controls a call and various additional services, sets up a video call call or a voice call call, and provides a connection function with various additional service equipment and an external network.

The HLR 120 is a server that stores subscriber information of a terminal subscribed to a mobile communication service. In addition, the HLR 120 performs a function of checking the location information of the called terminal 170 receiving the multimedia message in association with the Visitor Location Register (VLR). Accordingly, when the information request signal for the called terminal 170 is input from the MMSC 130, the HLR 120 provides the location information and the subscriber information of the called terminal 170 to the MMSC 130.

The MMSC 130 is an additional service server that provides a multimedia message service. The MMSC 130 receives and stores a multimedia message transmitted through the originating exchange 114 and checks the location information of the called terminal 170 using the HLR 120. Afterwards, it performs a function of transmitting the multimedia message stored in the destination exchange 164 in charge of the area where the destination terminal 170 is located.

In addition, the MMSC 130 according to an embodiment of the present invention confirms subscriber information of the called terminal 170 through the HLR 120 when the multimedia message is transmitted from the originating exchange 114. The MMSC 130 checks whether the receiving terminal 170 includes the multimedia message reception function through the HLR 120, and if the multimedia message reception function is not included, the MMSC 130 converts and transmits the multimedia message in the MMS conversion server 150. In order to do so, the multimedia message is transferred to the MMS conversion server 150.

The SMSC 140 is an additional service server that provides a short message service. The SMSC 140 receives and stores a short message transmitted through the originating exchange 114 and checks the location information of the called terminal 170 using the HLR 120. Afterwards, it performs a function of transmitting a short message stored in the destination exchange 164 in charge of the area where the destination terminal 170 is located. In addition, the SMSC 140 performs a function of providing additional service information provided from various additional service servers connected to the originating exchange 114 or the destination exchange 164 to a plurality of mobile terminals. In addition, the SMSC 140 according to an embodiment of the present invention generates a message incoming notification message informing that the multimedia message has been received according to a request from the MMS conversion server 150, and delivers the message to the destination exchange 164. To perform.

The MMS conversion server 150 receives the multimedia message from the MMSC 130 and converts it into a form that can be received by the called terminal 170 according to an embodiment of the present invention, and converts it through a video call with the called terminal 170. Performs a function of providing a multimedia message. In addition, the multimedia message is received in cooperation with the SMSC 140, and transmits a short message indicating that the message is stored to the called terminal 170. The internal structure and function of the MMS conversion server 150 that performs such a function will be described in detail with reference to FIGS. 2 and 3.

The terminating base station 162 performs location registration according to the power-up of the terminating terminal 170, and serves to transmit a call call and a short message transmitted through the terminating exchange 164 to the terminating terminal 170.

The destination exchange 164 serves to deliver the voice call, the video call, and the short message from the SMSC 140 to the destination base station 164.

The called terminal 170 may be a mobile terminal capable of a video call, and may be a mobile terminal that does not include a wireless Internet access function or a multimedia message receiving function.

Through such a multimedia message transmission system, two methods may be used to transmit a multimedia message using a video call to the called terminal 170.

In the first method, when the MMS conversion server 150 receives the multimedia message from the originating exchange 114, the MMS conversion server 150 converts the multimedia message into video data that can be transmitted through the video call and stores the multimedia message. Accordingly, a non-real-time conversion method of providing video data stored through a video call.

In the second method, after the MMS conversion server 150 stores the multimedia message from the originating exchange 114 as it is, and receives a request for providing the multimedia message from the called terminal 170, the MMS conversion server 150 calls the stored multimedia data and simultaneously converts it. It is a real-time conversion method to send.

2 is a block diagram schematically illustrating an internal structure of an MMS conversion server using a non-real-time conversion method according to an embodiment of the present invention.

MMS conversion server 150 using a non-real-time conversion method according to the first embodiment of the present invention is a multimedia message receiving module (hereinafter referred to as 'MMS destination module') 210, the control module 220, multimedia data Storage unit (hereinafter referred to as 'MMS data storage unit') 230, video conversion module 240, short message service interworking module (hereinafter referred to as 'SMS interworking module') 250, image data storage unit ( 260 and a video call interworking module 270.

The MMS terminating module 210 receives a multimedia message delivered to the terminating terminal 170 in association with the MMSC 130 and stores the multimedia data included in the received multimedia message in the MMS data storage unit 230. . The MMS terminating module 210 transmits a message indicating that the multimedia message has been received to the control module 220.

The control module 220 manages the functions performed by the MMS conversion server 150, such as receiving a multimedia message, changing a video, deleting or editing video data, and transmitting video data through a video call. That is, when the control module 220 confirms that the multimedia message is received through the MMS reception module 210 and is stored in the MMS data storage unit 230, the control module 220 converts the multimedia data stored through the video conversion module 240 into video data. A control function of instructing to request a short message informing that the multimedia message has been received is received through the SMS interworking module 250.

The MMS data storage unit 230 stores the multimedia data included in the multimedia message received through the MMS terminating module 210. At this time, in storing the multimedia data in the MMS data storage unit 230, the received multimedia data may be stored as it is, or may be separately stored according to the type (video, photo, text, voice, etc.) of the data.

The video conversion module 240 converts multimedia data stored in the MMS data storage unit 230 into video data according to a control command from the control module 220. When the conversion to the video data is completed, the video converter 230 transmits a message indicating that the conversion to the video data is completed.

At this time, in converting multimedia data into video data, multimedia data having various forms such as SMIL message format, video attachment format, voice attachment format and photo file attachment format is converted into video data as follows. Can be processed according to.

The SMIL message type encodes the output screen and voice according to SMIL's time play as video data, and the video attachment type outputs the video included in the multimedia message as it is and encodes it to video data or adjusts to the size of the incoming call. To encode the video data. In this case, the down sampling or up sampling of the video may be performed in the video attachment file type. The voice attachment file forms a picture or text attached with the voice file as a screen and encodes the video data together with the attached voice file. The picture attachment file can be used as a slide show or a presentation by encoding the output screen of the attached picture as video data.

At this time, the text attached to the multimedia data may be processed in the form of a picture file attachment, or may be processed in the form of a voice attachment through the TTS.

Here, when the multimedia message is text data in the form of TTS, the character string included in the multimedia data is output as audio and encoded into video data. When the multimedia message is text data in the form of screen processing, the character string included in the multimedia data is encoded. The output screen is encoded into video data using a font set in advance.

The SMS interworking module 250 is a part interworking with the SMSC 140 in order to transmit a short message informing the reception of the multimedia message to the called terminal 170. At this time, the SMS interworking module 250 provides the SMSC 140 with link information for inducing a video call reply so that the called terminal 170 can access the MMS conversion server 150 through the video call.

The image data storage unit 260 is a portion in which the video data changed by the video conversion module 240 is stored.

The video call interworking module 270 receives a video call from the called terminal 170 through interworking with the called exchange 164 and receives the video data stored in the video data storage unit 260. As part of the offer. At this time, the video call interworking module 270 may transmit various commands input from the called terminal 170 to the control module 220.

3 is a block diagram schematically illustrating an internal structure of an MMS conversion server using a real-time conversion method according to an embodiment of the present invention.

The MMS conversion server 150 using the real-time conversion method according to the second embodiment of the present invention includes an MMS call module 310, an MMS data storage unit 320, an SMS interworking module 330, and a video call interworking module 340. And a video conversion module 350.

The MMS terminating module 310 receives a multimedia message delivered to the terminating terminal 170 in association with the MMSC 130 and stores the received multimedia message in the MMS data storage unit 230. In addition, the MMS receiving module 310 transmits an incoming call of the multimedia message to the SMS interworking module 330, and performs a control function of instructing to transmit a short message indicating that the multimedia message has been received to the called terminal 170.

The MMS data storage unit 320 is a part for storing multimedia data included in the multimedia message received through the MMS terminating module 310. In this case, in storing the multimedia data in the MMS data storage unit 320, the received multimedia data may be stored as it is, or may be separately stored according to the type (video, picture, text, voice, etc.) of the data. .

The SMS interworking module 330 is a part interworking with the SMSC 140 in order to transmit a short message notifying reception of a multimedia message to the called terminal 170 at the request of the MMS terminating module 310.

The video call interworking module 340 receives the video call from the terminating terminal 170 through interworking with the terminating exchange 164, and transmits the video data transmitted through the video converting module 350 to the terminating terminal 170. It is part to provide. In addition, it is a part that processes various control commands input from the destination terminal 170 and performs a control function for confirming a password and the like.

The video conversion module 350 converts the multimedia data stored in the MMS data storage 320 into video data according to a control command transmitted from the video call interworking module 340 and provides the video data to the video call interworking module 340. . In this case, the multimedia data may be converted in real time into video data of a form displayable on the called terminal 170 by using the terminal information of the called terminal 170 transmitted with the control command from the video call interworking module 340. .

Here, in configuring the MMS conversion server 150 according to the second embodiment of the present invention, MMS incoming module 310, SMS interworking module 330, video call conversion module 340 and video exemption module 350 It can also be configured to further include a control module that controls the overall function and operation of the.

4 is a flowchart illustrating a method of transmitting a multimedia message using a video call according to an embodiment of the present invention.

The calling terminal 100 generates a multimedia message (S402) and delivers the generated multimedia message to the MMSC 130 through the calling network 110 (S404). The MMSC 130 transmits the telephone number of the called terminal 170 transmitted with the multimedia message to the HLR 120 and requests the terminal information of the called terminal 170 to be provided (S406).

The HLR 120 checks the terminal information of the called terminal 170 (S408), and determines whether the called terminal 170 receives the multimedia message. Since the terminating terminal 170 according to the present invention is a mobile terminal which is not equipped with a wireless internet access function or a multimedia message receiving function, the HLR 120 receives the terminating terminal information indicating that it is impossible to receive a multimedia message from the MMSC 130. To pass. At this time, the called terminal 170 is also delivered with the information that the terminal capable of a video call (S410).

Here, in performing the steps S408 and S410, the HLR 120 delivers the terminal information of the called terminal 170 to the MMSC 130, and whether or not to receive a multimedia message from the terminal information received at the MMSC 130 It can also be implemented to verify.

When the MMSC 130 receives the terminal information indicating that the reception of the multimedia message is impossible, the MMSC 130 transmits the received multimedia message to the MMS conversion server 150 (S412).

The MMS conversion server 150 converts and stores the delivered multimedia message into video data (S414), and requests the SMSC 140 to generate a short message informing the destination terminal 170 that the multimedia message has been received (S416). ).

The SMSC 140 receives a request for generating a short message notifying the arrival of a multimedia message from the MMS conversion server 150 to generate a message incoming notification message. In this case, the generated message incoming notification message includes link information for inducing a video call reply so that the called terminal 170 can access the MMS conversion server 150 through the video call (S418). When the generation of the message incoming notification message is completed, the SMSC 140 uses the telephone number of the called terminal 170 received together with the request for generating the message incoming notification message from the MMS conversion server 150 to generate the message. The incoming notification message is transmitted to the called terminal 170 (S420).

The receiving terminal 170 receiving the message incoming notification message connects to the MMS conversion server 150 through the link information included in the message incoming notification message, and connects the video call with the MMS conversion server 150 for the video call connection. Set to (S422).

When a session for a video call is established between the destination terminal 170 and the MMS conversion server 150, the MMS conversion server 150 connects the video call and converts the video data through step S414 using the connected video call. Send it.

Here, in transmitting the video data to the called terminal 170, the video data may be transmitted using one of a non-real time transmission method, a real time output method, a real time presentation method, and a real time tree method.

The non-real-time transmission method is a transmission method according to the first embodiment of the present invention, and when the multimedia message previously encoded in the form of a video is transmitted as it is, if there is a control command using the called terminal 170 from the user, the input control command According to this method, a transmission screen and a transmission operation of moving image data are controlled. At this time, the key button of the terminating terminal 170 and the control command of the video data are matched one-to-one in advance (for example, the first: moving to the front of the video message, the second: moving to the previous video message, the third: Move to the back of the video message, 4: move forward 5 seconds, 5: play / pause, 6: move back 5 seconds, 7: save a video message, 8: move to the next video message, 9: move Delete message, * #: video message control menu, ##: initial menu).

The real-time output method is a transmission method according to the second embodiment, and when the multimedia data in the form of SMIL message or video attachment file is processed into video data by the video conversion module 350, the processed video data is transmitted in real time. . In this case, the video transmission may be controlled according to a control command input through the called terminal 170 as in the non-real-time transmission method.

The real-time presentation method is a transmission method according to the second embodiment. When the multimedia data of the slide show form, the TTS form, and the screen processing form are processed into the video data by the video converting module 350, the processed video data is received by the called terminal 170. This mode is to transmit the screen while controlling the screen according to the control command inputted from). In this case, the key button and the control command of the destination terminal 170 are matched one-to-one in advance (for example, 1: go to the front screen, 2: go to the previous video message, 3: go to the back screen, 4: Go to previous page, 5: Auto skip / auto skip, 6: Go to next page, 7: Save video message, 8: Go to next video message, 9: Delete video message, * Times: video message control menu, # times: initial menu), and the user may control the screen output through a one-to-one matching control command.

The real-time tree method is a transmission method according to the second embodiment, and separately configures a main screen showing attachments included in the video data, and then provides the main screen to the called terminal 170 and the incoming terminal 170 input through the main screen. According to the control command of), each of the selected attachments is sent out independently.

Here, when the moving picture data is processed into the SMIL message type, the moving picture attachment type, the voice attachment file type, and the TTS type multimedia data into the moving picture data, the user can operate playback using the key button of the destination terminal 170. When multimedia data in a text form such as a slide show form or a screen processing form is processed into video data, a user may perform screen manipulation such as page movement or zoom in / out using a key button of the receiving terminal 170. It may be (S424).

When transmission of the video data is completed through various transmission methods as described above, the multimedia message and the video data stored in the MMS conversion server 150 may be deleted, or may be stored for a predetermined period at the request of the called terminal 170.

Here, in step S414 in which the multimedia message is converted into video data by the MMS conversion server 150, the multimedia message transmission request is received from the destination terminal 170 according to whether the conversion method is applied to the real-time conversion method or the non-real-time conversion method. It may be executed between the step S422 of receiving the step and the step S424 of transmitting the video data to the destination terminal 170 using the video call.

5 is a flowchart illustrating a method of transmitting a multimedia message through a video call in an MMS conversion server using a non-real-time conversion method according to an embodiment of the present invention.

When the MMS receiving module 210 of the MMS conversion server 150 receives the multimedia message from the MMSC 130 through step S412 (S502), the MMS data storage unit 230 transmits the multimedia data included in the received multimedia message to the MMS data storage unit 230. Save it. At this time, in storing the multimedia data in the MMS data storage unit 230, the received multimedia data may be stored as it is, or may be stored separately for each type (S506).

In addition, the MMS receiving module 210 stores the multimedia data included in the multimedia message in the MMS data storage unit 230 and notifies the control module 220 that the multimedia message has been received (S508).

The control module 220 notified of the reception of the multimedia message instructs the conversion of the multimedia data stored in the video conversion module 240 (S510), and the video conversion module 240 corresponds to the MMS data storage unit 230. After the multimedia data is requested (S512), it is received (S514) and converted into video data. At this time, in converting to video data, it is possible to convert multimedia data having various forms such as SMIL message form, video attachment form, slide show form, audio attachment form, TTS form or screen processing form into video data ( S516).

The converted video data is transferred to the video data storage 260 (S518) and stored (S520). At this time, the video conversion module 240 stores the converted video data in the MMS data storage unit 230 and notifies the control module 220 that the conversion to the video data is completed (S522).

After confirming that the conversion to the video data is completed, the control module 220 requests the SMS interworking module 250 to generate a message reception notification message informing the reception of the multimedia message (S524). The SMS interworking module 250 transmits a request signal for generating a message reception notification message to the SMSC 140 to which the SMS interworking module 250 is linked (S526).

The SMSC 140 receiving the request signal for generating the message notification message from the SMS interworking module 250 generates the message reception notification message through step S418, and sends the message notification message to the destination terminal 170 through step S420. send.

As the message incoming notification message is transmitted to the called terminal 170, if a multimedia message transmission request signal is received from the called terminal 170 through the associating call interworking module 270 (S528), the associating call interworking module 270 is connected to the called terminal 170. The control module 220 transmits the telephone number and the video data transmission request of the called terminal 170 (S530).

The control module 220 receiving the video data transmission request requests the withdrawal of the video data for delivery to the called terminal 170 (S532), and the image data storage unit 260 that receives the withdrawal request of the video data corresponds to the corresponding. After the video data is called, the video call interworking module 270 is provided (S534).

The video call interworking module 270 transmits the video data provided from the video data storage unit 260 through the video call connected between the called terminals 170 (S536).

According to this procedure, the multimedia message conversion and transmission in the MMS conversion server 150 using a non-real-time conversion method is performed.

6 is a flowchart illustrating a method of transmitting a multimedia message through a video call in an MMS conversion server using a real-time conversion method according to an embodiment of the present invention.

In the MMS conversion server 150 using the real-time conversion method, when the MMS destination module 310 receives a multimedia message from the MMSC 130 through step S412 (S602), the MMS data is converted into multimedia data included in the received multimedia message. The storage unit 320 stores. At this time, the MMS data storage unit 320 may store the received multimedia data as it is, or may be stored separately for each type (S606).

In addition, the MMS call module 310 stores the multimedia data included in the multimedia message in the MMS data storage unit 320 and requests the SMS interworking module 330 to generate a message call notification message informing the receipt of the multimedia message. (S608). The SMS interworking module 330 transmits a request signal for generating a message reception notification message to the SMSC 140 to which the SMS interworking module 330 is linked (S610).

In response to the message incoming notification message generated by the SMSC 140 and the message incoming notification message sent to the called terminal 170, the multimedia message transmission request signal is received from the called terminal 170 from the called terminal 170 (S612). The associative call interworking module 340 transmits the multimedia message conversion request and the video data transmission request to the video conversion module 350 (S614).

The video conversion module 350 requests the withdrawal of the multimedia data corresponding to the MMS data storage unit 320 (S616), and when the multimedia data requested for withdrawal is received from the MMS data storage unit 320 (S618), the incoming call is received. The terminal 170 converts the video data having the optimal display form (S620).

If the video data converted by the video conversion module 350 is provided to the video call interworking module 340 (S622), the video call interworking module 340 converts the video through the video call connected between the called terminal 170. The video data received from the module 350 is transmitted to the called terminal 170 (S624).

According to this procedure, the multimedia message conversion and transmission in the MMS conversion server 150 using a real-time conversion method is performed.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

1 is a schematic diagram showing a system for transmitting a multimedia message using a video call according to an embodiment of the present invention;

2 is a block diagram schematically illustrating an internal structure of an MMS conversion server using a non-real-time conversion method according to an embodiment of the present invention;

3 is a block diagram schematically illustrating an internal structure of an MMS conversion server using a real-time conversion method according to an embodiment of the present invention;

4 is a flowchart illustrating a method of transmitting a multimedia message using a video call according to an embodiment of the present invention;

5 is a flowchart illustrating a method of transmitting a multimedia message through a video call in an MMS conversion server using a non-real-time conversion method according to an embodiment of the present invention;

6 is a flowchart illustrating a method of transmitting a multimedia message through a video call in an MMS conversion server using a real-time conversion method according to an embodiment of the present invention.

Claims (15)

In a system for transmitting a multimedia message to a called terminal by using a video call, A home location register for storing subscriber information of the called terminal; A multimedia message center for receiving a multimedia message generated from an originating terminal and confirming whether or not the subscribing terminal is equipped with a multimedia message receiving function through the home location register;  A multimedia message conversion server that converts the multimedia message received from the multimedia message center into video data and delivers the video data through a video call generated between the called terminal; And Short message service center for generating a message incoming notification message indicating that the multimedia message has been received in the multimedia message conversion server, and transmits it to the called terminal Multimedia message transmission system using a video call comprising a. The method of claim 1, The multimedia message conversion server, After converting and storing the multimedia message received from the multimedia message center into the video data, if a request for transmitting a multimedia message from the called terminal, a non-real-time conversion method for providing the stored video data, A real-time conversion method of storing the multimedia message received from the multimedia message center without performing a conversion and then converting the stored multimedia message into the video data when a multimedia message transmission request from the called terminal is input; Multimedia message transmission system using a video call, characterized in that using. The method of claim 2, Multimedia message conversion server using the non-real-time conversion method, A multimedia message terminating module for receiving a multimedia message received from the multimedia message center; A multimedia data storage unit for storing multimedia data included in the multimedia message; A video conversion module for converting multimedia data stored in the multimedia data storage into the video data; An image data storage unit which stores the moving image data converted by the moving image conversion module; A video call interworking module for transferring video data stored in the video data storage unit through a video call generated between the called terminal; A short message service interworking module configured to generate a request signal for generating the message incoming notification message and transmit the generated signal to the short message service center; And A control module for controlling the multimedia message conversion server as a whole to instruct to convert the received multimedia message into the video data and to generate the message incoming notification message generation request signal; Multimedia message transmission system using a video call comprising a. The method of claim 2, Multimedia message conversion server using the real-time conversion method, A multimedia message terminating module for receiving a multimedia message received from the multimedia message center; A multimedia data storage unit for storing multimedia data included in the multimedia message; A short message service interworking module configured to generate a request signal for generating the message incoming notification message and transmit the generated signal to the short message service center; A video conversion module for converting multimedia data stored in the multimedia data storage into the video data; And A video call interworking module for transferring video data converted by the video conversion module through a video call generated between the called terminal and the called terminal. Multimedia message transmission system using a video call comprising a. The method according to claim 3 or 4, The video conversion module, When the multimedia data is data in the form of an SMIL message, encoding the output screen and voice according to time play of the SMIL included in the multimedia data into video data; If the multimedia data is data in the form of a video attachment file, outputting a video included in the multimedia data as it is and encoding the video data; When the multimedia data is data of a voice attachment file, a method of encoding a picture or a text included in the multimedia data into a screen and encoding the video data together with the voice file; And If the multimedia data is data in the form of a picture file, encoding the output screen of the picture included in the multimedia data into video data as it is to be displayed in a slide show, presentation, or tree structure form. The multimedia message transmission system using a video call, characterized in that for converting the multimedia data into the video data using at least one method. The method according to claim 3 or 4, The multimedia data storage unit, And storing the multimedia data included in the multimedia message in its original form or separately storing the multimedia data according to each data type. The method of claim 1, An originating network that receives the multimedia message generated from the originating terminal and delivers the multimedia message to the multimedia message center; And A terminating network for transmitting a message incoming notification message generated in the short message service center to the called terminal and generating a video call for transferring the video data between the called terminal and the multimedia message conversion server. Multimedia message transmission system using a video call further comprising. In a method for transmitting a multimedia message to a called terminal by using a video call, (a) converting and storing the multimedia message received at the calling terminal into moving image data for transmission through a video call; (b) transmitting a short message informing of reception of a multimedia message to the called terminal; (c) establishing a video call connection according to a request for providing a multimedia message from the called terminal; And (d) calling the stored video data and transmitting the video data through the video call; Multimedia message transmission method using a video call comprising a. The method of claim 8, Step (a) is, (a1) storing the multimedia message received from the calling terminal; (a2) confirming that the called terminal is a mobile terminal not equipped with a multimedia message receiving function by using the telephone number of the called terminal transmitted together with the multimedia message; (a3) converting the stored multimedia message into video data for transmission through a video call; And (a4) storing the converted video data Multimedia message transmission method using a video call comprising a. The method of claim 8, Step (b) is, And generating and transmitting the short message including link information for inducing a video call reply so that a called terminal accesses the video call. The method of claim 8, Step (d) is, If a control command is input from the called terminal while transmitting moving picture data stored in the video data storage unit to the called terminal, non-real-time sending for controlling the sending screen and sending operation of the moving picture data according to the control command. The video message transmission method using a video call, characterized in that for transmitting the video data to the called terminal using a scheme. In a method for transmitting a multimedia message to a called terminal by using a video call, (a) storing the multimedia message received at the calling terminal; (b) transmitting a short message informing of reception of a multimedia message to the called terminal; (c) establishing a video call connection according to a request for providing a multimedia message from the called terminal; And (d) calling the stored multimedia message and converting the multimedia message into video data for transmission through the video call; And (e) transmitting the video data through the video call; Multimedia message transmission method using a video call comprising a. The method of claim 12, Step (a) is, (a1) receiving a multimedia message and a telephone number of the called terminal from the calling terminal; (a2) confirming that the called terminal is a mobile terminal not equipped with a multimedia message receiving function by using the telephone number of the called terminal; And (a3) storing the received multimedia message Multimedia message transmission method using a video call comprising a. The method of claim 12, Step (d) is, When the multimedia data is data in the form of an SMIL message, encoding the output screen and voice according to time play of the SMIL included in the multimedia data into video data; If the multimedia data is data in the form of a video attachment file, outputting a video included in the multimedia data as it is and encoding the video data; When the multimedia data is data of a voice attachment file, a method of encoding a picture or a text included in the multimedia data into a screen and encoding the video data together with the voice file; If the multimedia data is data in the form of a picture file, encoding the output screen of the picture included in the multimedia data into video data as it is to be displayed in a slide show, presentation, or tree structure form. When the multimedia message is text data in the form of TTS, a method of encoding a video string by outputting a text string included in the multimedia data into video data; And If the multimedia message is text data in the form of screen processing, a method of encoding a screen output by using a preset font of a character string included in the multimedia data into video data. Method of transmitting a multimedia message using a video call, characterized in that for converting the video data by one of the methods. The method of claim 14, Step (e), A real-time output method of transmitting video data processed by the multimedia message in the form of the SMIL message or the video attachment file in real time; A real time presentation method of controlling and transmitting a screen of moving picture data processed by the multimedia message in the slide show form, the voice attachment file form, the TTS form, or the screen processing form according to a control command input from the called terminal; And A real-time tree method for constructing a main screen showing the contents of the video data and providing it to the called terminal and transmitting selected video data according to a control command input from the called terminal. And transmitting the video data to the called terminal by using at least one of the following methods.

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