METHOD AND APPARATUS FOR SYNCHRONIZING GROUP DIRECTORY IN MESSENGER SERVICE FOR COMMUNICATION

摘要

PURPOSE: A group address synchronization method in a messenger service for communication and apparatus thereof are provided to enable a user to easily download all contact addresses of group members through a group address synchronization process. CONSTITUTION: A GDMS(Group Document Management Server)(110) manages the address book of a subscriber. The GDMS processes subscriber information including the subscriber state. An IMS(Instant Messaging Server)(140) processes a session for transmitting and receiving a message and a file. An SS(Signaling Server)(120) processes an SIP(Session Initiation Protocol) signal. The SS relays data between SSs(Subscriber Station)(10). An RS(Register Server)(130) authenticates a subscriber terminal. The RS manages states of a subscriber. [Reference numerals] (10) Terminal