Patent ID: 7464337

Claim:
A method for communication of multimedia data in a mobile personal computer which includes a virtual world interface and an instant messenger program and is connected to a server over any one of wired and wireless communication networks, said method comprising the steps of: a) logging in to said server; b) displaying an initial menu picture on a screen of said mobile personal computer, said initial menu picture including a plurality of menu items for transmission or retrieval of the multimedia data; wherein said menu items include an avatar chatting function, a specific user access detection/call function a specific user reception denial function, and a direct file sending item; c) performing a subroutine associated with a selected one of said menu items in said initial menu picture to transmit or retrieve said multimedia data, wherein said menu items include an avatar chatting function, a specific user access detection/call function and a specific user reception denial function, wherein said step c) is adapted to, if said specific user reception denial item is selected, perform a subroutine including the steps of: c-1) requesting said mobile personal computer to register users to be denied reception; c-2) registering identifications of the reception denied users in a reception denied user table in said server; c-3) searching said reception denied user table upon receiving a message from a specific user; and c-4) transmitting the message received from said specific user to said mobile personal computer only when said specific user is not registered in said reception denied user table; and d) performing a subroutine associated with a selected one of said menu items in said initial menu picture to transmit or retrieve said multimedia data, wherein said step c) is adapted to, if said avatar chatting item is selected, perform a subroutine including the steps of: d-1) selecting a desired avatar; and d-2) sending the contents of chatting to a client of the selected avatar, and if any one of a mail sending item, a direct file sending item and an item for file sending or reception to or from said file transfer protocol server is selected, additionally perform a subroutine associated with said selected item.