SIP MESSAGE HANDLING METHOD AND APPARATUS FOR AN INDIVIDUAL NOTIFICATION OF PRESENCE INFORMATION OF PRESENTITY FOR HIS/HER WATCHER OR GROUP OF WATCHERS IN SIP-BASED PRESENCE SERVICE

摘要

Disclosed are an apparatus and a method for differently providing presence information for each watcher or watcher group. According to the present invention, a SIP-based individual presence service method includes a presence service method in a presence server that provides a presence service based on a Session Initiation Protocol (SIP), comprising: receiving a SIP PUBLISH message; Analyzing the received SIP PUBLISH message to determine whether the presence information per presence watcher is created; Storing the presence information for each confirmed presence recipient for each presence recipient; And including the stored presence information in the SIP NOTIFY message and transmitting the stored presence information to the corresponding presence receiver. This allows the presence service users to provide individual presence information for each watcher.