Method for content sharing in a sip based network and system thereof

PURPOSE: A method for content sharing in a network based on sip and a system thereof are provided to share specific contents with a specific person and store the contents list for sharing in a server permanently. CONSTITUTION: A first client(101) stores the shared contents in a contents server(103) or a local storage unit. The first client is given the contents ID. The first client produces a contents list including the contents ID. The contents list and access rule are transmitted to the information server(104) and registered. If the second client(102) requests the specific contents search or subscription, the information server transmits the contents search or the subscription result to the second client.