| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a notification device capable of notifying a terminal of a message so that the terminal certainly acquires presence information of other terminals, as well as a notification system, a terminal, a notification method, and a notification program. <P>SOLUTION: A notification device 10 receives SUBSCRIBE transmitted from a terminal 11 (S17). The notification device 10 acquires one piece of state information corresponding to a presentity ID, and stores the acquired presentity ID in NOTIFY to be transmitted to the terminal 11 since the number of presentity IDs to be specified by the SUBSCRIBE is one (S21). The notification device 10 receives SUBSCRIBE transmitted from a terminal 12 (S39). The notification device 10 acquires two pieces of state information corresponding to presentity IDs, and stores the two pieces of state information in 200 OK to be transmitted to the terminal 12 at once since the number of presentity IDs to be specified by the SUBSCRIBE is two or more (S41). <P>COPYRIGHT: (C)2012,JPO&INPIT |
