KR100652996B1 - Method and system for providing mobile instant messaging service - Google Patents

Abstract

The present invention relates to a mobile instant messaging service method and system, the disclosed mobile instant messaging service method comprising the steps of requesting the registration of the video message file to the VOD server when the video message file is uploaded from the originating mobile communication terminal; After the VOD server saves the video message file according to the registration request, the VOD server returns the video streaming access URL to the messenger service server, and the messenger service server receiving the returned URL transmits the callback SMS to the destination mobile terminal. Requesting the request message, the SMS server inputting the callback URL in the callback SMS message based on the request, and transmitting the callback URL to the destination mobile communication terminal; and the messenger service server accesses the destination mobile terminal connected through the callback SMS message. Sending a message, and the VOD server contacts the connection URL. And providing the streaming video message file to the incoming mobile communication terminal belonging to the mobile terminal. The mobile instant messaging service system combines a callback SMS technology and a VOD technology to install a mobile instant messenger using a mobile instant messenger. By providing a video message service in, there is an advantage that can meet the user's service needs through a variety of multimedia services.

Description

Mobile instant messaging service method and system {METHOD AND SYSTEM FOR PROVIDING MOBILE INSTANT MESSAGING SERVICE}

1 is a block diagram of a mobile instant messaging service system according to the prior art;

2 is a block diagram of a mobile instant messaging service system according to the present invention;

3 is a flowchart illustrating a process of a mobile instant messaging service according to the present invention;

4 is an example showing an initial screen of a mobile instant messenger according to the present invention;

Figure 5 is an example of a screen showing a procedure for sending a video message using a mobile instant messenger according to the present invention.

<Explanation of symbols for main parts of the drawings>

10: mobile communication terminal 20: wireless access network

30: mobile switching center 40: home location register

50: Visitor Location Register 70: Subscriber DB

110: messenger service server 120: VOD server

130: SMS server

The present invention relates to a mobile instant messaging service, and a method and system for providing a video message service between mobile communication terminals equipped with a mobile instant messenger using a mobile communication network.

The mobile instant messaging service is a service that provides various instant messaging functions such as registering and deleting friends, viewing friend status, chatting, transmitting and receiving data, voice calls, and messages between mobile communication terminals equipped with a mobile instant messenger using a mobile communication network.

1 is a block diagram of a mobile instant messaging service system according to the prior art.

The conventional mobile instant messaging service system includes a mobile communication terminal (10), a base station transmitter (21) and a base station controller (23), a radio access network (RAN) 20, and a mobile switching center (MSC). 30, a home location register (HLR) 40, a visitor location register (VLR) 50, a messenger service server 60, and the like. In addition, the personal computer 3 is connected to the messenger service server 60 through the Internet 1 as a configuration for including the mobile communication terminal 10 and the fixed communication terminal as a service providing object.

The mobile communication terminal 10 has a function for wirelessly connecting to the messenger service server 60, and accesses the messenger service server 60 to download a mobile instant messenger according to a kit value input from a user.

A user may register and manage a plurality of friends by executing a mobile instant messenger installed in the mobile communication terminal 10. Here, a friend is a term used in a typical instant messenger, and refers to a counterpart who informs of his / her connection status, some personal information, and allows chatting, data transmission, and sending a message.

In order to register a friend using a mobile instant messenger, a mobile instant messenger must be executed to access the messenger service server 60. In the state connected to the messenger service server 60, a mobile station identification number (MIM) of the other party to be registered as a friend must be input. The mobile communication terminal 10 in which the mobile instant messenger is installed may perform a chat, a message, and a data transmission / reception through a mobile communication network with a counterpart in a connected state.

The radio access network 20 serves to guarantee the mobility of the mobile communication terminal 10 and performs handoff and radio support management functions. The radio access network 20 includes a base station transmitter 21 and a base station controller 23.

The mobile switching center 30 performs basic and additional service processing, incoming and outgoing call processing of subscribers, location registration procedure and handoff procedure processing, interworking with other networks, and the like.

The home location register 40 receives the location information of the mobile communication terminal 10 from the visitor location register 50 to be described later, and performs functions such as registration recognition, registration deletion, and location verification. In addition, the home location register 40 stores profile information of the mobile communication terminal 10. Here, the profile information refers to a mobile station identification number, an electronic serial number (ESM), and subscribed mobile communication service information of the mobile communication terminal.

The visitor location register 50 receives and stores the subscriber data from the mobile switching center in the case of the location information of the visited subscriber where the location registration is performed, in the case of the call from the calling mobile terminal, the incoming call to the called mobile terminal, and the like.

The messenger service server 60 provides an instant messaging service to the mobile communication terminal 10 or the personal computer 3. To this end, the messenger service server 60 operates a wired / wireless website to process subscription requests for instant messaging services from the mobile communication terminal 10 or the personal computer 1.

Meanwhile, the messenger service server 60 receives the state information (psychological state and current state) of the user from the mobile communication terminal 10 and stores the received state information in the subscriber database 70. In addition, the messenger service server 60 retrieves a friend list stored in the subscriber database 70 by using the mobile station identification number of the mobile communication terminal 10 which accesses and drives the mobile instant messenger. Then, the friend status information is retrieved using the retrieved friends' information and transmitted to the mobile communication terminal 10.

In addition, the messenger service server 60 is connected to the mobile communication terminal 10 using a mobile instant messenger to chat, send and receive files, send a message, send a variety of email (text mail, voice mail, video mail, etc.) To help.

However, messaging channels such as messages and chats provided in the conventional mobile instant messaging service as described above are text-based services.

Therefore, the text message sending function is supported to users, but in the multimedia era, users have a problem in that they do not satisfy the needs of users because of their better service needs.

The present invention has been proposed to solve such a conventional problem, a mobile instant messenger using a mobile communication network by incorporating a callback short message service (SMS) technology and a video on demand (VOD) technology into a mobile instant messaging service system. By providing a video message service between communication terminals, the purpose is to satisfy the service needs of users through a variety of multimedia services.

A mobile instant messaging service method as one aspect of the present invention for realizing such an object is a method for providing a video message service in a mobile instant messaging service system that provides a mobile instant messaging service between mobile communication terminals equipped with a mobile instant messenger. When the video message file is uploaded from an outgoing mobile terminal, requesting the messenger service server to register the video message file to a VOD server, and after the VOD server stores the video message file according to the registration request, Returning a streaming access URL to the messenger service server, requesting the SMS service server to send a callback SMS to the incoming mobile terminal by receiving the returned access URL, and the SMS server requesting Inputting a callback URL in a callback SMS message and transmitting the callback URL to the called mobile communication terminal; transmitting, by the messenger service server, the access URL to the called mobile communication terminal connected through the callback SMS message; And providing, by the VOD server, the stored video message file to the called mobile communication terminal connected to the access URL by streaming.

As another aspect of the present invention, a mobile instant messaging service system is a system for providing a mobile instant messaging service to a mobile communication terminal through a wireless internet network, and the mobile instant messenger is installed and uses a mobile instant messaging service. And a wireless Internet network including a mobile communication network transmitting and receiving signals and data transmitted and received by the mobile instant messaging service to the mobile communication terminal, and storing the video message file requested to be registered from the mobile communication terminal. Processing a subscription to the mobile instant messaging service and a VOD server for providing a streaming service by playing the video message file to the mobile communication terminal connected to a URL for a streaming service of And a messenger service server for providing a mobile instant messaging service including a video message service between the mobile communication terminals, transmitting a URL for the streaming service to the mobile communication terminal that has been callback-connected during the video message service, and the mobile communication. And a SMS server for transmitting a callback SMS message capable of callback access to the messenger service server to notify the terminal of the receipt of the video message.

There may be a plurality of embodiments of the present invention, hereinafter with reference to the accompanying drawings will be described in detail a preferred embodiment. Through this embodiment, it is possible to better understand the objects, features and advantages of the present invention.

FIG. 2 is a block diagram of a mobile instant messaging service system according to the present invention, in which like reference numerals designate like elements as in the conventional mobile instant messaging service system shown in FIG.

The mobile instant messaging service system according to the present invention includes a mobile communication terminal 10, a wireless access network (RAN) 20, a mobile switching center (MSC) 30, a home location register (HLR) 40, a visitor location register ( VLR) 50, messenger service server 110, VOD server 120, SMS server 130 and the like. In addition, the personal computer 3 is connected to the messenger service server 60 through the Internet 1 as a configuration for including the mobile communication terminal 10 and the fixed communication terminal as a service providing object.

The mobile communication terminal 10 has a function for wirelessly connecting to the messenger service server 110, and accesses the messenger service server 110 to download a mobile instant messenger according to a kit value input from a user. In order to download the mobile instant messenger, the mobile communication terminal 10 must first perform a membership registration procedure for providing member data to the messenger service server 110. Membership data required in the registration process includes identification (ID), password, name or screen name, age, gender, email address, avatar selection data, and the like. In addition, for each item entered, it is possible to select whether to disclose the item information to the general public and only to a specific user.

Meanwhile, a user may register and manage a plurality of friends by executing a mobile instant messenger installed in the mobile communication terminal 10. Here, a friend is a term used in a typical instant messenger, and refers to a counterpart who informs of his / her connection status, some personal information, and allows chatting, data transmission, text message sending, video message sending, and the like. In addition, friend registration and management in the mobile communication terminal 10 may be performed by grouping by criteria such as a certain purpose. For example, friends may be grouped by coworkers, fellowships, alumni, and the like.

In order to register a friend using a mobile instant messenger, a mobile instant messenger needs to be connected to the messenger service server 110. While connected to the messenger service server 110, a mobile station identification number (MIM) of the other party to be registered as a friend must be input.

On the other hand, when a friend registration request is generated by one user, friend registration is not performed immediately, and the other party's consent is required. For this purpose, when a friend registration request is generated by one user, the messenger service server 110 transmits a text message asking whether to accept the friend registration request with the inputted mobile station identification number. When a friend registration accept signal is received from the other party's mobile communication terminal 10 receiving the text message, the messenger service server 110 permits friend registration to the user's mobile communication terminal 10, and when a friend registration disapproval signal is received. Do not allow friend registration.

In addition, when the messenger service server 110 is registered as a friend, the messenger service server 110 provides friend information such as a name or a screen name, an avatar, a psychological state, a current state, and a connection status to the user's mobile communication terminal 10. Here, the mental state includes various states such as joy, sadness, anger, crying, and the like. The mobile communication terminal 10 also provides a function of rearranging a list of friends to display based on a name or a screen name, a current status, access status, and the like. The mobile communication terminal 10 may perform a chat, a text message, a video message, and data transmission / reception through a mobile communication network with a counterpart in a connected state.

In particular, when using the video message service in the mobile terminal 10, after selecting a friend to send a video message from the friend list, load the pre-stored video message file or create a new video message file using the camera function The video message is uploaded to the messenger service server 110.

On the other hand, when the mobile instant messenger is newly executed, it is connected to the messenger service server 110, but the mobile communication terminal 10 does not continuously maintain the connection state with the messenger service server 110 until the mobile instant messenger is terminated. Therefore, when the mobile communication terminal 10 accesses the messenger service server 110 once, the mobile communication terminal 10 is provided with friend information such as a screen name, an avatar, a psychological state, a connection state, a current state, and the like. The connection with the service server 110 is automatically terminated. For example, the connection holding time is preferably set within several tens of seconds. The reason for setting the connection holding time is for the purpose of using the radio communication resources more efficiently and reducing the communication fee.

In addition, the user may provide his / her current state information to the messenger service server 110 using the mobile communication terminal 10. That is, when the user drives the mobile instant messenger installed in the mobile communication terminal 10 to change the current status information, the mobile instant messenger accesses the messenger service server 110 and transmits the current status information. Then, the mobile communication terminal 10 terminates the connection with the messenger service server 110 when there is no data input to the mobile instant messenger during the connection holding time.

The mobile communication terminal 10 includes a personal digital assistant (PDA), a cellular phone, a personal communication service (PCS) phone, a hand-held PC (GPS), a global system for mobile (GSM) phone, and wideband CDMA (W-CDMA). ) Phones, CDMA-2000 phones, MBS (Mobile Broadband System) phones and the like. Here, MBS phone refers to a mobile phone to be used in the fourth generation system currently being discussed.

The radio access network 20 serves to guarantee the mobility of the mobile communication terminal 10 and performs handoff and radio support management functions. The radio access network 20 includes a base station transmitter 21 and a base station controller 23 and supports both synchronous and asynchronous. In this case, the base station transmitter 21 will be a base transceiver station (BTS), the base station controller 23 will be a base station controller (BSC), and the base station transmitter 21 is a radio transceiver subsystem (RTS). ), The base station controller 23 will be a Radio Network Controller (RNC). Of course, the wireless access network 20 is not limited thereto, and is a concept including a GSM network other than a CDMA network and an access network of a fourth generation mobile communication system to be implemented in the future.

The base station transmitter 21 receives a call request signal from the mobile communication terminal 10 through a traffic channel among signal channels, and transmits the received call request signal to the base station controller 23. In addition, the base station transmitter 21 is a network termination device that is directly connected to the mobile communication terminal 10 by performing baseband signal processing, wired and wireless conversion, and transmission and reception of wireless signals.

The base station controller 23 controls the base station transmitter 21, allocates and releases radio channels to the mobile communication terminal 10, controls the transmission output of the mobile communication terminal 10 and the base station transmitter 21, and soft cell-off between cells. And hard handoff determination, transcoding and vocoding, global positioning system (GPS) clock distribution, and operation and maintenance functions for the base station.

The mobile switching center 30 performs basic and additional service processing, incoming and outgoing call processing of subscribers, location registration procedure and handoff procedure processing, interworking with other networks, and the like. The mobile switching center 30 of the IS-95 A / B / C system includes an access switching subsystem (ASS) that performs distributed call processing, an interconnection network subsystem (INS) that performs centralized call processing, operation and maintenance. It includes a subsystem such as a Central Control Subsystem (CCS) that is in charge of the centralization function, and a Location Registration Subsystem (LRS) that performs storage and management of information on mobile subscribers.

The home location register 40 receives the location information of the mobile communication terminal 10 from the visitor location register 50 to be described later, and performs functions such as registration recognition, registration deletion, and location verification. In addition, the home location register 40 stores profile information of the mobile communication terminal 10. Here, the profile information refers to a mobile station identification number, ESM, subscribed mobile communication service information, etc. of the mobile communication terminal.

The visitor location register 50 receives and stores the subscriber data from the mobile switching center in the case of the location information of the visited subscriber where the location registration is performed, in the case of the call from the calling mobile terminal, the incoming call to the called mobile terminal, and the like. Although the visitor location register 50 is shown in FIG. 2 as being located outside of the mobile switching center 30, the visitor location register 50 may be located inside the mobile switching center 30.

The VOD server 120 uses a real-time transfer protocol based on the Real-time Transfer Protocol / RT Control Protocol (RTP) protocol or the RT Streaming Protocol (RTSP) protocol to transmit multimedia messages, that is, video messages, to the mobile communication terminal 10. Send in real time. To this end, it stores a video message file requested to be registered from the messenger service server 110, and returns to the messenger service server 110 a connection URL (Uniform Resource Locator) that can receive the registered video message file in real time, The video message file is streamed to the mobile communication terminal 10 connected to the access URL. The RTP protocol over the Session Initiation Protocol (SIP) is used between the VOD server 120 and the mobile instant messenger.

The SMS server 130 provides a short message service through which the mobile communication terminal 10 generates a short message and transmits the message, and at the request of the messenger service server 110 for a video message service, the incoming mobile communication terminal 10 is provided. Sends a callback SMS message that allows callback access to notify the receipt of a video message. In this case, a URL for accessing the mobile instant messenger of the mobile communication terminal 10 to the messenger service server 110 is input in the callback field, and the callback URL includes MID (Message ID) as a parameter.

The messenger service server 110 provides an instant messaging service to the mobile communication terminal 10 or the personal computer 3. To this end, the messenger service server 110 operates a wired or wireless website to process subscription requests for instant messaging services from the mobile communication terminal 10 or the personal computer 3. Wired web sites include a number of web pages created based on HTML, and wireless web sites include a number of web pages created based on the Wireless Markup Language (WML). Mobile instant messenger uses the SIP protocol.

Meanwhile, the messenger service server 110 receives the user's state information (psychological state and current state) from the mobile communication terminal 10 and stores the received state information in the subscriber database 70. In addition, the messenger service server 110 retrieves a friend list stored in the subscriber database 70 by using the mobile station identification number of the mobile communication terminal 10 which accesses and drives the mobile instant messenger. Then, the friend status information is retrieved using the retrieved friends' information and transmitted to the mobile communication terminal 10.

In addition, the messenger service server 110 is connected to the mobile communication terminal 10 using a mobile instant messenger chat, file transmission, sending text messages, video messages, various emails (text mail, voice mail, video mail, etc.) Allows you to send and so on.

In particular, the messenger service server 110 registers the video message file in the VOD server 120 when the video message is uploaded from the calling mobile terminal to support the video message sending function, and streams the video from the VOD server 120. When the access URL is returned, the SMS server 130 requests the callback SMS transmission, and transmits the access URL for the video message streaming service to the destination mobile communication terminal connected through the callback SMS.

The personal computer 3 may share an instant messaging service with the mobile communication terminal 10 connected to the messenger service server 110 through the Internet 1. To this end, the personal computer 3 should be installed with a wired instant messenger provided by the messenger service server 110. Here, the wired instant messenger is a messenger modified to connect the mobile instant messenger to the wired communication environment, and has almost the same function as the mobile instant messenger, but does not include the automatic connection termination function according to the connection maintenance.

A service process of sending a video message by the mobile instant messaging service system according to the present invention configured as described above will be described in detail below with reference to FIGS. 2 to 5.

First, in order to receive a mobile instant messaging service, the mobile instant messenger should wirelessly access the messenger service server 110 to download the mobile instant messenger. Thereafter, after performing a predetermined membership registration process, a plurality of friends may be registered and managed through a menu screen provided by the mobile instant messenger. Since the friend registration procedure is almost similar to that of the known wired instant messenger, the detailed description thereof will be omitted. When the friend registration procedure is performed, the initial access screen of the mobile instant messenger as shown in the example screen of FIG. 4 is provided.

When using the video message service in the mobile communication terminal 10 in which the mobile instant messenger is installed, select a friend to which the video message is to be sent from a friend list, and then select a video message sending menu from the menu. The example screen of FIG. 5 illustrates a case in which a "video message" menu is selected after selecting a friend "bored" from a friend list.

When the user selects a video message sending menu, the mobile instant messenger provides a sub screen for creating a new video message or checking a received video message. If a video message creation menu is selected on the video transmission / reception screen, a sub screen for loading a new video message or creating a new video message using the recording function of the camera is provided. In the example screen of FIG. 5, an example of selecting the "2. Recording with a camera" menu after selecting the "1. Create a video message" menu from the message menu is illustrated.

When the user selects a menu for creating a new video message, the video recording function of the camera is activated to generate a new video message through a known video recording process. When the video recording ends, this means that the writing of the video message is completed, and then the mobile instant messenger provides a sub screen for transmitting or canceling the written video message. The example screen of FIG. 5 exemplifies a case of selecting a menu “1. Send” on a new sub screen after recording a video (S201).

At this time, when the user requests the transmission of the completed video message (or previously stored video message), the mobile instant messenger installed in the mobile communication terminal 10 is connected to the messenger service server 110 through the wireless access network 20 and the mobile switching center 30. Upload a video message file. In the example screen of FIG. 5, the user is informed of the progress of uploading a video message file after the user selects a transmission menu, that is, displaying “sending a message” and “completed message transmission” (S203).

Then, after connecting to the VOD server 120, the messenger service server 110 requests registration while transmitting the video message file uploaded by the calling mobile communication terminal 10 to the VOD server 120 (S205).

The VOD server 120 stores the video message file requested to be registered from the messenger service server 110 and returns a connection URL to the messenger service server 110 to receive the registered video message file in real time (S207). .

When the video streaming access URL is returned from the VOD server 120, the messenger service server 110 requests the SMS server 130 to transmit a callback SMS to the destination mobile communication terminal 10. At this time, the messenger service server 110 transmits a MDN (Mobile Directory Number) and a MID (Message ID) together with the callback SMS transmission request (S209).

The SMS server 130 notifies the reception of the video message by transmitting a callback SMS message capable of callback connection to the terminating mobile communication terminal 10 at the request of the messenger service server 110. In this case, a URL for accessing the mobile instant messenger of the mobile communication terminal 10 to the messenger service server 110 is input to the callback field, and the callback URL includes a MID as a parameter (S211).

Subsequently, when the user who confirms the reception of the video message through the callback SMS message selects a specific menu to view the video message, the incoming mobile communication terminal 10 drives the preinstalled mobile instant messenger, and the mobile instant messenger calls the callback SMS. The callback URL is accessed through the message (S213).

In this case, when the incoming mobile communication terminal 10 is connected to the callback URL, the messenger service server 110 checks the MID parameter and provides a screen for guiding related information of the corresponding video message, that is, the article title, transmission time, and sender information. do.

The incoming mobile communication terminal 10 selects the playback of the video message through the guide screen of the video message related information by the messenger service server 110 (S215), and the messenger service server 110 performs the VOD server 120 in step S207. In step S217, the video streaming access URL received from the mobile communication terminal 10 is transmitted to the destination mobile communication terminal 10.

Thereafter, the mobile instant messenger of the incoming mobile communication terminal 10 requests a video streaming service by accessing the VOD server 120 based on the video streaming access URL (S219).

Accordingly, the VOD server 120 plays the video message file to the destination mobile communication terminal 10 to provide streaming (S221).

Here, when it is determined that the network speed through the wireless access network 20 is not suitable for video streaming, the terminating mobile communication terminal 10 provides the VOD server 120 with a download service for a video message file linked to the URL. The video message file may be downloaded to the destination mobile communication terminal 10 according to the service provided by the VOD server 120.

Next, when the playback of the video message file is terminated, the incoming mobile communication terminal 10 is again connected to the messenger service server 110 (S223), and the messenger service server 110 again displays the initial screen as shown in the example of FIG. It transmits (S225).

In the above description, but limited to one embodiment of the present invention, it is obvious that the technology of the present invention can be easily modified by those skilled in the art. Such modified embodiments should be included in the technical spirit described in the claims of the present invention.

As described above, the present invention integrates callback SMS technology and VOD technology into a mobile instant messaging service system to provide a video message service between mobile communication terminals equipped with a mobile instant messenger using a mobile communication network. It is effective to meet their service needs.

Claims (9)

A method for providing a video message service in a mobile instant messaging service system that provides a mobile instant messaging service between mobile communication terminals equipped with a mobile instant messenger, (a) when the video message file is uploaded from the calling mobile terminal, requesting the messenger service server to register the video message file to a VOD server; (b) the VOD server storing the video message file according to the registration request and returning a video streaming access URL to the messenger service server; (c) the messenger service server having received the access URL requesting the SMS server to send a callback SMS to a destination mobile communication terminal; (d) the SMS server inputting a callback URL to a callback SMS message based on the request and transmitting the callback URL to the destination mobile communication terminal; (e) the messenger service server transmitting the access URL to the called mobile communication terminal connected through the callback SMS message; (f) the VOD server playing the stored video message file and providing it to the called mobile communication terminal connected to the access URL through streaming; Mobile instant messaging service method comprising a. The method of claim 1, In the step (a), the mobile instant messenger uploads a pre-stored video message file or creates and uploads a new video message file through a video recording function of the camera. Mobile instant messaging service method characterized in that. The method of claim 1, In step (c), the messenger service server transmits MDN and MID together when the callback SMS transmission request is made. Mobile instant messaging service method characterized in that. The method of claim 3, wherein In step (d), the SMS server includes the MID as a parameter in the callback URL. Mobile instant messaging service method characterized in that. The method of claim 3, wherein In the step (e), the messenger service server checks the MID parameter of the callback URL and then provides the related information of the video message. Mobile instant messaging service method characterized in that. The method of claim 1, The messaging service method, (g) requesting the VOD server to download a video message file associated with the URL from the mobile communication terminal when it is determined that the network speed is not suitable for video streaming; (h) downloading, by the mobile communication terminal, the video message file according to the service provided by the VOD server; Mobile instant messaging service method further comprising. The method of claim 1, The messaging service method, (g-1) when the playing of the video message file ends, the terminating mobile communication terminal accessing the messenger service server again; (h-1) the messenger service server transmitting the initial screen of the mobile instant messenger to the called mobile communication terminal again connected; Mobile instant messaging service method further comprising. A recording medium storing a program for performing the mobile instant messaging service method of any one of claims 1 to 7. A system for providing a mobile instant messaging service to a mobile communication terminal through a wireless internet network, A mobile communication terminal equipped with a mobile instant messenger and using a mobile instant messaging service; A wireless internet network including a mobile communication network for transmitting and receiving signals and data transmitted and received by the mobile instant messaging service to the mobile communication terminal; A VOD server for providing a streaming service by playing the video message file to the mobile communication terminal which is connected to a URL for a streaming service of the video message file after storing the video message file requested for registration from the mobile communication terminal; The mobile instant messaging service is provided to the mobile instant messaging service, and the mobile instant messaging service includes a video message service between the mobile communication terminals. The streaming service is provided to the mobile communication terminal. Messenger service server for transmitting a URL for, An SMS server for notifying the reception of the video message by transmitting a callback SMS message capable of callback access to the messenger service server to the mobile communication terminal. Mobile instant messaging service device comprising a.

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