System and method for presence subscirption delegation

A system and a method for presence subscription delegation are provided to enable a recognizer as a presence subscription delegation requester to request presence subscription delegation for presentity instead of a delegation subject and enable the delegation subject to control presence subscription delegation for the delegation subject. A system for presence subscription delegation comprises a recognizer(200), a presence subscription delegation handler(220), and a presence server(240) of presentity. The recognizer transmits a presence subscription delegation request to the presence subscription delegation handler of a delegation subject(210). The presence subscription delegation handler performs delegation authentication for the presence subscription delegation request according to a delegation authorization rule as authentication information for the presence subscription delegation of the delegation subject. The presence server of presentity receives the presence subscription delegation request from the presence subscription delegation handler. The presence server of presentity performs presence authorization according to the presence authorization rule of presentity. The presence server of presentity transmits the presence information to the recognizer through the presence subscription delegation handler.