UNIFIED COMMUNICATION SYSTEM AND UNIFIED COMMUNICATION METHOD USING MULTI-LOGIN, TERMINAL FOR CONTROLLING OPERATION OF UNIFIED COMMUNICATION TOOL, AND COMMUNICATION METHOD IN TERMINAL

摘要

Provided are a unified communication system and a unified communication method using multi-login, a terminal for controlling an operation of a unified communication tool, and a communication method in a terminal. The unified communication system may include a communication tool provider to provide a communication tool for at least one communication server associated with a user; a login manager to manage login information of the user when the user is logged in to two or more terminals simultaneously through respective communication tools on the two or more terminals, respectively, the login manager storing the login information of the user in a storage unit; a terminal determining unit to determine, among the two or more terminals, at least one terminal to which data associated with the user is to be transmitted based on the login information; and a communication unit to transmit the data to the at least one determined terminal.