An application server receives presence information with anonymous identification
information of a presentity client. The application server transmits a message to an …

The presence information delivery system according to this invention manages, for each
user, data of one or plural presence group so as to associate one or plural presence …

To group plural applications and integrally manage their presence information. A presence
server includes plural clients that receive services from application servers providing plural …

(57) ABSTRACT A presence communication system capable of efficiently reducing the
number of messages exchanged between pre sentities and watchers, thereby preventing …

0004 Presence-based interactive communication ser vices are callee-centric, where callees
(presentities) publish, in real time, their presence information (such as, the avail ability …

(57) ABSTRACT A method for content-based presence communication entails receiving
presence information, storing the presence infor mation in any arbitrary data format …

(57) ABSTRACT A method and presence attribute information Server is pro Vided for
managing a validity period in association with a presence attribute. The presence attribute …

(57) ABSTRACT A method for publishing presence information enables the presence
information to be preset and published at a preset time automatically. The method includes …

The invention relates to a presence status determination system and a computer
implemented method to determine the presence status of a first user registered in a network …

The present invention discloses a method and a system for using presence proxies to group
presence notifications. In the invention, a presence server can accept, manage, and …