KR20040050340A - Avatar service apparatus and method, and avatar display method in a mobile communication device and the mobile communication device using the same - Google Patents

Abstract

PURPOSE: An avatar service device is provided to spread an avatar concept mainly used on the Internet to a mobile communication network, and to display an avatar on a mobile communication terminal, so that a user of the mobile communication terminal can enjoy use of the mobile communication terminal with the avatar. CONSTITUTION: The first data communication portion(211) receives an avatar of a subscriber, and receives a number of at least one mobile communication terminal that transmits the avatar. A data storage(215) stores the avatar and the number of the at least one mobile communication terminal that transmits the avatar. The second data communication portion(219) transmits data through a mobile communication network. A controller(213) transmits the avatar to the mobile communication terminal according to the stored number through the second data communication portion(219).

Description

Avatar service apparatus and method, and avatar display method in a mobile communication device and the mobile communication device using the same}

The present invention relates to an avatar service, and more particularly, to an apparatus and method for providing an avatar service to a mobile communication terminal through a mobile communication network, an avatar service method in the mobile communication terminal using the same, and a mobile communication terminal thereof.

Avatar is widely used as a graphic icon for representing oneself in the Internet and games. An avatar is an image of an individual who represents and replaces an individual on the Internet. Sophisticated three-dimensional avatars can walk or sit or act.

However, avatars are only used in a computer environment connected to the Internet, and their scope of use is limited.

On the other hand, there is a Calling Number Identification Presentation (CNIP) service among services provided by a telecommunications provider. The caller ID display service is a service that enables the caller to confirm the caller's telephone number through the caller's communication terminal by transmitting the caller's telephone number to the called party. The caller ID service is a service provided to both mobile phones such as mobile phones or PDAs (Personal Digital Assistants) through general wired telephones and mobile communication networks through wired networks.

However, the caller ID display service provided to the mobile communication terminal through the conventional mobile communication network displays only the caller's telephone number to the called party or, if the caller's name and the phone number are previously stored in the called party's mobile communication terminal, the calling party number. According to the display service, the telephone number corresponding to the telephone number of the caller transmitted is searched and the name of the caller mapped with the telephone number is displayed on the display window of the mobile communication terminal. It merely provides simple textual information.

In addition, even when a user searches for a phone number in a mobile communication terminal having a phone number search function, when a user enters a name or a speed dial number, only the phone number is displayed along with the name by searching for the corresponding phone number.

Accordingly, an aspect of the present invention is to provide an avatar service apparatus and a method for providing an avatar to a mobile communication terminal through the mobile communication network.

According to another aspect of the present invention, there is provided a mobile communication terminal for receiving an avatar according to the avatar service apparatus and method, and displaying a corresponding avatar together with text information such as a phone number and a person's name. The present invention provides a method for displaying an avatar.

1 is a conceptual diagram of a system for providing an avatar service according to the present invention;

FIG. 2 is a block diagram illustrating a detailed configuration of an avatar service server shown in FIG. 1;

3 is a flowchart illustrating an avatar service method according to the present invention;

4 is a flowchart illustrating a detailed configuration of step 310 of FIG. 3;

FIG. 5 is a flowchart illustrating a detailed configuration of step 350 of FIG. 3;

6 is a block diagram illustrating a mobile communication terminal displaying an avatar according to the present invention;

7A and 7B are diagrams illustrating an example of displaying an avatar in a mobile communication terminal displaying an avatar;

8 is a flowchart illustrating an embodiment of a method for displaying an avatar in a mobile communication terminal;

9 is a flowchart illustrating another embodiment of a method for displaying an avatar in a mobile communication terminal.

In order to achieve the above object, the avatar service method according to the present invention,

(a) receiving and storing an avatar of a subscriber subscribed to the avatar service; (b) receiving a number of at least one mobile communication terminal to which the avatar is to be transmitted from the subscriber; And (c) transmitting the avatar to the at least one communication terminal via a communication network according to the number.

In order to achieve the above object, the avatar service apparatus according to the present invention,

A first data communication unit receiving an avatar of a subscriber subscribed to the avatar service through a network and a number of at least one mobile communication terminal to transmit the avatar; A data storage unit for storing the avatar and a number of at least one mobile communication terminal to which the avatar is to be transmitted; A second data communication unit for transmitting data through a mobile communication network; And a controller for transmitting the avatar to the at least one mobile communication terminal through the second data communication unit according to the number stored in the data storage unit.

In order to achieve the above another object, the avatar display method in a mobile communication terminal according to the present invention,

An avatar service method in a mobile communication terminal subscribed to a calling number display service, the method comprising: (a) receiving an avatar representing a caller; storing information about the caller including the caller's telephone number corresponding to the avatar together with the avatar; (c) receiving a call number of the caller by receiving a call from the caller; (d) searching for an avatar corresponding to the caller's phone number among pre-stored avatars; And (e) if the avatar corresponding to the caller's telephone number exists, displaying the avatar on a display window of the mobile communication terminal.

In order to achieve the above object, another avatar display method in a mobile communication terminal according to the present invention,

(a ') receiving an avatar representing the sender; (b ') storing the information on the caller corresponding to the avatar together with the avatar; (c ') receiving a key value for retrieving the caller's telephone number from a user of the mobile communication terminal; (d ') retrieving an avatar and information on the caller corresponding to the key value among avatars previously stored in the mobile communication terminal; And (e ') if the avatar corresponding to the key value exists, displaying the avatar on the display window of the mobile communication terminal.

In order to achieve the above object, the mobile communication terminal for displaying the avatar according to the present invention,

A mobile communication terminal subscribed to a calling number display service, the mobile communication terminal comprising: a data communication unit configured to receive an avatar of a caller; A data storage unit; A display unit; And an avatar control unit for controlling the data storage unit to store information regarding the caller including the received telephone number of the caller corresponding to the avatar together with the received avatar, and the data communication unit receives a call from the caller. When receiving the caller's phone number to transmit the caller's phone number to the avatar control unit, the avatar control unit searches for the avatar corresponding to the caller's phone number among the avatars previously stored in the data storage unit, And controlling the display unit to display the searched avatar on the display unit.

In order to achieve the above another object, another mobile communication terminal for displaying an avatar according to the present invention,

A data communication unit for receiving the caller's avatar; A data storage unit; A display unit; An avatar control unit controlling the data storage unit to store information regarding the caller corresponding to the avatar together with the received avatar; And a user input unit configured to input a key value for retrieving the caller's telephone number. When the user input unit transmits the key value to the avatar controller, the avatar controller is configured to store avatars previously stored in the data storage unit. The display unit may be configured to search for information on the caller and the avatar corresponding to the key value, and to display the searched avatar on the display unit.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a conceptual diagram of a system for providing an avatar service according to the present invention. Referring to FIG. 1, the subscriber PC 110, the Internet 120, the first content provider to the Mth content providers 130 and 140, the customer center 150, the subscriber mobile communication terminal 160, and the mobile communication network 170. ), The first inbound mobile communication terminal to the Nth inbound mobile communication terminals 180 and 190, and the avatar service device 200. The avatar service device 200 includes an avatar service server 210 and a gateway 230.

First, a person who wants to use the avatar service according to the present invention applies for subscription to the avatar service center 150. Avatar service subscription can be made through any means, such as online or offline. The customer center 150 registers information on the corresponding subscriber, and requests the avatar service server 210 to register the avatar service for the corresponding subscriber. The procedure of changing the avatar service information and canceling the service is also performed in the same manner as the subscription procedure.

A subscriber who subscribes to the avatar service by the above procedure (hereinafter referred to as a subscriber) creates his or her avatar to be transmitted to another person's mobile terminal, such as a mobile phone or a PDA.

In this embodiment, the subscriber uses an avatar generation service provided by one of the plurality of content providers 130 and 140 through the Internet 120 using his PC 110 to decorate his avatar.

The avatar of the subscriber created using the avatar generation service provided by one of the plurality of content providers 130 and 140 is transmitted from the content provider to the avatar service server 210 at the request of the subscriber and stored. In addition, the subscriber is the phone number of the first to the N-th mobile communication terminal 180, 190, which are the mobile communication terminals of other people to send their avatar to the avatar service server 210 via the subscriber PC (110) Notify them.

The avatar service server 210 transmits the avatar to the first to Nth mobile communication terminals 180 to 190 through the gateway 230 according to a request from the subscriber. At this time, the receiver transmits information about the subscriber, that is, the telephone number of the subscriber mobile communication terminal 160, the subscriber's name, etc. together, so that the called party can know who the avatar is.

The first to Nth mobile communication terminals 180 and 190 receive and store the avatar. The avatar maps and stores the phone number and / or name of the subscriber mobile communication terminal 160.

The first inbound mobile communication terminals to the Nth inbound mobile communication terminals 180 and 190 are terminals subscribed to a calling number display service provided by a communication service provider.

When the subscriber makes a call using the subscriber mobile communication terminal 160, the first to Nth mobile communication terminals 180 and 190 storing the avatar by mapping the information with the subscriber, the calling number Since the subscription service is subscribed to the telephone number of the subscriber mobile communication terminal 160 from the communication provider. The first inbound mobile communication terminal to the Nth inbound mobile communication terminal 180 and 190 receive the telephone number of the subscriber mobile communication terminal 160, and information about the subscriber mapped to the number, that is, the name of the subscriber and the subscriber's name. The avatar is searched and displayed to the called party through the display window of the terminal.

2 is a block diagram illustrating a detailed configuration of the avatar service server 210 illustrated in FIG. 1.

Referring to FIG. 2, the avatar service server 210 includes a first data communication unit 211, a control unit 213, a data storage unit 215, a subscriber database 217, and a second data communication unit 219.

The first data communication unit 211 is responsible for data transmission / reception with the outside via the Internet 120.

The controller 213 controls the first data communication unit 211, the data storage unit 215, the subscriber database 217, and the second data communication unit 219 to perform the avatar service according to the present invention.

The subscriber database 217 stores information about a plurality of subscribers subscribed to the avatar transmission service, such as subscriber name, subscriber telephone number, and the like.

The second data communication unit 219 transmits data including the subscriber avatar to the destination mobile communication terminals 180 and 190 through the mobile communication network 170.

The procedure for the avatar service server 210 to transmit the avatar to the destination mobile communication terminals 180 and 190 may be roughly divided into two procedures, a subscriber authentication procedure and an avatar transmission procedure.

First, a subscriber authentication procedure by the avatar service server 210 will be described.

A subscriber who creates an avatar using an avatar generation service provided by one of the plurality of content providers 130 and 140 may transmit the generated avatar to the avatar service server 210. 130). The first content provider 130 receiving the avatar transmission request from the subscriber requests the avatar service server 210 for authentication of the subscriber. The authentication process is necessary because the avatar service server 210 manages whether the subscriber has registered with the avatar service.

The first data communication unit 211 of the avatar service server 210 receives an authentication request for the subscriber from the first content provider 130 and transmits it to the controller 213.

The controller 213 searches the subscriber database 217 to determine whether the subscriber who requested the avatar transmission is a subscriber to the service, and then authenticates and notifies the first content provider 130 that the subscriber is a registered subscriber.

The first content provider 130 authenticated as a registered subscriber from the avatar service server 210 transmits the avatar of the subscriber to the avatar service server 210, and the first data communication unit 211 receives the avatar. At this time, the first content provider 130 may transmit to the avatar service server 210 at least one or more mobile communication terminal telephone numbers or a plurality of telephone numbers grouped with a plurality of telephone numbers to which the avatar is requested, from the subscriber. Alternatively, the subscriber may transmit phone numbers of mobile communication terminals to transmit the avatar to the avatar service server 210 directly through the Internet using the subscriber PC 110.

Next, an avatar transmission process by the avatar service server 210 to the mobile communication terminal will be described.

The avatar service server 210 transmits the subscriber's avatar to the called party's terminal through the gateway 230 and the mobile communication network 170. The mobile communication network 170 is a wireless Internet, and data transmission is performed using an application protocol such as HTTP or FTP over an Internet Protocol (IP).

There are three methods of transmitting an avatar through a mobile communication network 170, which is a wireless Internet, using a push method, a pull method, and a multimedia messaging service (MMS).

The push method is a method in which the avatar service device 200 starts the Internet connection to the incoming mobile communication terminals 180 and 190 as a subject, and then transmits data after making an IP connection with the terminal.

The avatar service server 210 attempts a wireless Internet connection to the destination mobile communication terminals 180 and 190 through the gateway 230 to transmit the subscriber avatar.

Incoming mobile communication terminals 180, 190 respond to a wireless Internet connection to receive avatar data. When the wireless Internet is connected, the avatar service server 210 transmits the subscriber's avatar to the destination mobile communication terminals 180 and 190 through the gateway 230 and the mobile communication network 170.

After the avatar transmission is completed, the avatar service server 210 transmits a message indicating that the avatar transmission is completed to the first content provider 130.

The Pull method is a method in which a terminating mobile communication terminal attempts to access a wireless Internet to a gateway 230 and downloads data from the avatar service server 210 after establishing an IP connection with the gateway 230.

In more detail, the avatar service apparatus 200 inquires whether or not to download the avatar to the incoming mobile communication terminals 180 and 190 using a short message.

Users of the incoming mobile communication terminals 180 and 190 who have received the short message request the wireless Internet connection to the gateway 230 when they want to download, and when the wireless Internet is connected, the avatar service server 210 performs the gateway. The subscriber's avatar is transmitted to the destination mobile communication terminals 180 and 190 through the 230 and the mobile communication network 170.

The MMS method is a method in which an avatar is loaded on multimedia content of an MMS used to transmit a multimedia message in a mobile communication network. In fact, since the MMS method is implemented by a push method or a pull method, the detailed operation is the same as described above.

The avatars transmitted by the above three methods are stored in the memory of the incoming mobile communication terminals 180 and 190.

Hereinafter, an avatar service method according to the present invention will be described with reference to FIGS. 1 to 5.

3 is a flowchart illustrating an avatar service method according to the present invention.

The avatar service apparatus 200 receives and stores an avatar of an avatar transmission service subscriber (step 310). The avatar is generated by the subscriber using an avatar generation service provided by one of the plurality of content providers 130 and 140.

The avatar service apparatus 200 receives a phone number of a mobile communication terminal to transmit the avatar of the subscriber (step 330). The telephone number may be transmitted by the content provider requested by the subscriber or transmitted by the subscriber.

The avatar service device 200 transmits the subscriber's atava to the mobile communication terminal according to the phone number received in the step through the mobile communication network 170 (step 350).

4 is a flowchart illustrating a detailed configuration of step 310 of FIG. 3.

The subscriber generates his own avatar using the avatar generation service provided by one of the plurality of content providers 130 and 140 using the subscriber PC 110 (step 311).

The subscriber requests the content provider, for example, the first content provider 130 to transmit the generated avatar to the avatar service server 210 (step 312).

The first content provider 130 receiving the avatar transmission request from the subscriber requests the avatar service server 210 for authentication of the subscriber (step 313).

After the avatar service server 210 receives the authentication request for the subscriber from the first content provider 130 and searches the subscriber database 217 to determine whether the subscriber who requested the avatar transmission is a subscriber to the service, 1 The content provider 130 authenticates and notifies that the subscriber is a registered subscriber (step 314).

The first content provider 130 authenticated as a registered subscriber from the avatar service server 210 transmits the avatar of the subscriber to the avatar service server 210 (step 315).

The avatar service server 210 receives the avatar and stores the avatar in the data storage unit 215 (S316).

FIG. 5 is a flowchart illustrating a detailed configuration of step 350 of FIG. 3.

As described above, there are three methods of transmitting an avatar through the mobile communication network 170, which is the wireless Internet, using a push method, a pull method, and a multimedia messaging service (MMS). 5 is a flowchart illustrating a pull method among three methods.

The avatar service apparatus 200 inquires whether or not to download the avatar to the receiving mobile communication terminals 180 and 190 using a short message (step 351).

Users of the incoming mobile communication terminals 180 and 190 who have received the short message request the wireless Internet connection to the gateway 230 when they want to download the mobile terminal, and transmit the avatar when the wireless Internet is connected (step 353). ).

The avatar service server 210 transmits the subscriber's avatar to the destination mobile communication terminals 180 and 190 through the gateway 230 and the mobile communication network 170 (step 355).

Hereinafter, a mobile communication terminal displaying an avatar according to the present invention and a method of displaying an avatar in the mobile communication terminal will be described in detail with reference to the accompanying drawings.

6 is a block diagram illustrating a mobile communication terminal displaying an avatar according to the present invention.

Referring to FIG. 6, the mobile communication terminal 400 displaying an avatar includes a data communication unit 410, an avatar control unit 430, a data storage unit 450, a display unit 470, and a user input unit 490. .

A plurality of incoming mobile communication terminals 180 and 190 shown in FIG. 1 are terminals having a configuration of a mobile communication terminal 400 displaying an avatar shown in FIG. 6.

The data communication unit 410 transmits and receives data through the mobile communication network 170. Data communication is performed in accordance with Internet protocols such as FTP and HTTP.

The avatar controller 430 controls the data communication unit 410, the data storage unit 450, and the display unit 470 to display an avatar through the display unit 470 according to the present invention.

The data storage unit 450 stores the avatar of the subscriber, which has been previously transmitted, in correspondence with predetermined information about the subscriber, for example, the subscriber's name, telephone number, and the like. A memory device for storing an avatar in the form of image data, wherein the mobile communication terminal 400 is implemented as a flash memory when the mobile communication terminal is a mobile phone, and as a random access memory (RAM) as a PDA.

The display 470 displays an avatar under the control of the avatar controller 430. In general, it is implemented as a TFT LCD (Thin Film Transistor Liquid Crystal Display).

The user input unit 490 is an input unit for a user to input a predetermined command to the mobile communication terminal 400 displaying an avatar.

First, the data receiver 410 receives a subscriber avatar transmitted through the mobile communication network 170 according to the Internet protocol. It is preferable that the name and / or phone number of the subscriber indicated by the avatar are transmitted together with the avatar so as to identify whose avatar.

The received avatar is stored in the data storage unit 450 under the control of the avatar controller 430. The subscriber's avatar is stored in correspondence with certain information about the subscriber, such as the subscriber's name and / or telephone number. The subscriber name or phone number is received with the avatar or entered by the user of the mobile communication terminal 400 through the user input unit 490.

When the subscriber avatar is stored in the mobile communication terminal 400 corresponding to the subscriber information and a call is received from the subscriber, the mobile communication terminal 400 displaying the avatar is subscribed to the caller ID service provided by the communication service provider. Receive the subscriber's telephone number sent from the provider.

The avatar controller 430 searches for the avatar and / or subscriber information corresponding to the received subscriber's telephone number and displays the retrieved subscriber information, that is, the subscriber's name and the subscriber's avatar, on the display 470 together with the received telephone number. .

In addition, when the user of the mobile communication terminal 400 searches for a phone number, the corresponding avatar may be displayed together with the searched phone number.

That is, the user inputs a key value for searching for a telephone number through the user input unit 490 of the mobile communication terminal 400. The key value may be representative of the user's name but may be a shortcut number corresponding to the stored user's phone number and avatar.

The avatar controller 430 searches the avatar and / or subscriber information corresponding to the input key value to display the retrieved subscriber information, that is, the subscriber name and the subscriber avatar, together with the phone number through the display unit 470.

7A and 7B illustrate an example of displaying an avatar in a mobile communication terminal 400 displaying an avatar.

7A illustrates an example in which a caller's name, avatar, and phone number are displayed when a call is received from a subscriber in the mobile communication terminal 400 subscribed to the calling number display service.

7B illustrates an example in which a subscriber's name, avatar, and speed dial number are displayed together with the retrieved telephone number when the user of the mobile communication terminal 400 searches for the telephone number.

8 is a flowchart illustrating an embodiment of a method for displaying an avatar in a mobile communication terminal.

In the present embodiment, when a call is received from a subscriber in the mobile communication terminal 400 subscribed to the calling number display service, the avatar of the subscriber who is the caller is displayed.

In step 510, the subscriber avatar transmitted through the mobile communication network 170 is received according to the Internet protocol. It is preferable that the name and / or phone number of the subscriber indicated by the avatar are transmitted together with the avatar so as to identify whose avatar.

The received subscriber avatar is stored with the subscriber information including the subscriber telephone number (step 530). The subscriber avatar is preferably stored in correspondence with at least the subscriber telephone number in the subscriber information. Alternatively, the subscriber avatar may store the subscriber avatar in association with the subscriber's telephone number and other subscriber information such as the subscriber's name.

When a call is received from the subscriber, the subscriber's telephone number transmitted from the communication service provider is received (step 550).

The mobile communication terminal 400 searches for avatar and / or subscriber information corresponding to the received subscriber telephone number (operation 570).

The mobile communication terminal 400 displays the retrieved subscriber information, that is, the subscriber name and the subscriber's avatar telephone number on the display window (step 590).

9 is a flowchart illustrating another embodiment of an avatar display method in a mobile communication terminal.

In the present embodiment, when the user of the mobile communication terminal 400 searches for a phone number, the avatar of the subscriber is displayed together with the searched phone number.

In step 610, the subscriber avatar transmitted through the mobile communication network 170 is received according to the Internet protocol. It is preferable that the name and / or phone number of the subscriber indicated by the avatar are transmitted together with the avatar so as to identify whose avatar.

The received subscriber avatar is stored with the subscriber information including the subscriber telephone number (step 630).

In step 650, a key value for retrieving a phone number is received from the user. The key value may be representative of the user's name but may be a shortcut number corresponding to the stored user's phone number and avatar.

The mobile communication terminal 400 searches and searches for avatar and / or subscriber information corresponding to the input key value (operation 670).

The mobile terminal 400 displays the retrieved subscriber information, that is, the subscriber number, the subscriber's name, and the subscriber's avatar on the display window (step 690).

The invention can also be embodied as computer readable code on a computer readable recording medium. The computer-readable recording medium includes all kinds of recording devices in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disks, optical data storage devices, and the like, and may also be implemented in the form of a carrier wave (for example, transmission over the Internet). It includes being. The computer readable recording medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.

As described above, the avatar service apparatus and method according to the present invention, the avatar display method in the mobile communication terminal using the same, and the mobile communication terminal provide the following effects.

First, the existing caller ID display service and the phone number search function provide simple text-based information, while the present invention spreads the avatar concept used mainly on the Internet to the mobile communication network so that the avatar is displayed on the mobile communication terminal. As a result, the user of the mobile communication terminal has an effect of causing fun of using the mobile communication terminal.

Second, by inducing a user of a mobile terminal to have fun using the mobile terminal, a new profit model for providing an avatar to a mobile subscriber can be created from a carrier. In addition, if the avatar indicating the caller is to be displayed on the terminal, the calling party number service is activated, so that the existing caller ID service can be activated.

Claims (17)

(a) receiving and storing the avatar of the subscriber; (b) receiving a number of at least one mobile communication terminal to transmit the avatar from the subscriber; And and (c) transmitting the avatar to the at least one mobile communication terminal through the mobile communication network according to the number. According to claim 1, The avatar is generated by the subscriber using an avatar generation service provided by a content provider. In step (a), (a1) receiving a request for authentication of whether the subscriber has subscribed to an avatar service from the content provider who is requested to transmit the avatar from the subscriber; (a2) checking whether the subscriber has subscribed to the avatar service; (a3) when the subscriber subscribes to the avatar service, notifying the content provider that the subscriber subscribes to the avatar service; And (a4) receiving and storing the avatar transmitted by the content provider. The method of claim 1, wherein step (c) (c1) requesting confirmation of whether the avatar is received from the at least one mobile communication terminal; And (c2) if the avatar request is transmitted from the at least one mobile communication terminal, transmitting the avatar. A first data communication unit receiving an avatar of a subscriber subscribed to the avatar service through a network and a number of at least one mobile communication terminal to transmit the avatar; A data storage unit for storing the avatar and a number of at least one mobile communication terminal to which the avatar is to be transmitted; A second data communication unit for transmitting data through a mobile communication network; And And a control unit which transmits the avatar to the at least one mobile communication terminal through the second data communication unit according to the number stored in the data storage unit. The method of claim 4, wherein And a subscriber database storing information on a plurality of subscribers subscribed to the avatar service. The avatar is generated by the subscriber using an avatar generation service provided by a content provider. The control unit searches for the subscriber database when the subscriber receives the authentication from the content provider receiving the avatar transmission request of the subscriber through the first communication unit to determine whether the subscriber subscribes to the avatar service. Confirming whether the subscriber subscribes to the avatar service, and if the subscriber subscribes to the avatar service, transmits to the content provider that the subscriber subscribes to the avatar service through the first communication unit, and receives the notification. And receive and store the avatar transmitted by the user. The method of claim 4, wherein The controller transmits a message confirming whether the avatar is received from the at least one mobile communication terminal, and transmits the avatar when there is a request for transmitting the avatar from the at least one mobile communication terminal. Service device. The method of claim 4, wherein And a gateway for receiving data from the second data communication unit and transmitting the data through the mobile communication network. A avatar service method in a mobile communication terminal subscribed to a calling number display service, (a) receiving an avatar representing the caller; storing information about the caller including the caller's telephone number corresponding to the avatar together with the avatar; (c) receiving a call number of the caller by receiving a call from the caller; (d) searching for an avatar corresponding to the caller's phone number among pre-stored avatars; And (e) if the avatar corresponding to the caller's telephone number exists, displaying the avatar on a display window of the mobile communication terminal. (a ') receiving an avatar representing the sender; (b ') storing the information on the caller corresponding to the avatar together with the avatar; (c ') receiving a key value for retrieving the caller's telephone number from a user of the mobile communication terminal; (d ') retrieving an avatar and information on the caller corresponding to the key value among avatars previously stored in the mobile communication terminal; And and (e ') if the avatar corresponding to the key value exists, displaying the avatar on a display window of the mobile communication terminal. The method according to claim 8 or 9, The step (a) or the step (a ') of the avatar display method in the mobile communication terminal, characterized in that for receiving the caller avatar over the mobile communication network. The method according to claim 8 or 9, Wherein (a) or (a ') is a step of receiving at least one or more of the caller's name or the telephone number with the avatar. The method of claim 9, And the key value is the name of the caller. In the mobile communication terminal subscribed to the calling number display service, A data communication unit for receiving the caller's avatar; A data storage unit; A display unit; And And an avatar controller configured to control the data storage unit to store information regarding the caller including the received caller's telephone number corresponding to the avatar together with the received avatar. When the data communication unit receives the caller from the caller, receives the caller's telephone number, and transmits the caller's telephone number to the avatar controller, the avatar controller transmits the caller's number among avatars previously stored in the data storage unit. And searching for an avatar corresponding to a telephone number, and controlling the display unit to display the searched avatar on the display unit. A data communication unit for receiving the caller's avatar; A data storage unit; A display unit; An avatar control unit controlling the data storage unit to store information regarding the caller corresponding to the avatar together with the received avatar; And A user input unit for inputting a key value by the user to retrieve the caller's telephone number When the user input unit transmits the key value to the avatar controller, the avatar controller retrieves an avatar and information about the caller corresponding to the key value from among avatars previously stored in the data storage unit, and displays the avatar on the display unit. And controlling the display unit to display the retrieved avatar. The method according to claim 13 or 14, And the data communication unit receives the caller avatar through a mobile communication network. The method according to claim 13 or 14, And the data communication unit receives at least one of the caller's name or the telephone number together with the caller avatar. The method of claim 14, The key value is a mobile communication terminal, characterized in that the name of the caller.