| 摘要 |
Disclosed is a method notifying the presence information of terminals in an electronic communications system including a plurality of terminals, at least an IP Multimedia Subsystem (IMS) ( ) server, and a presence server for managing the presence information of the terminals. The method causes one of the terminals to transmit a notification message of its presence information containing communication state information to the IMS, causes the IMS server to the communication state information of the other terminals retrieved from the presence server to the one terminal in response to the notification message, the other terminals being registered by the user of the one terminal, and causes the one terminal to display the communication state information of the other terminals.
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