发明名称 |
Message-server, message system, and method of management of presence information |
摘要 |
A method and system for management of a presence information by a message server. A presence information of at least one member listed on each communication group member list belonging to each user is notified. A presence information is renewed, which belongs to a terminal of a user as sender who sends a message to the message server. The presence information is automatically renewed in response to at least one of a first type event that the message server has received at least one of the message and any other communication from the user as sender, and a second type event that an effective time period for the presence information has expired. <IMAGE>
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申请公布号 |
EP1347606(A1) |
申请公布日期 |
2003.09.24 |
申请号 |
EP20030006010 |
申请日期 |
2003.03.18 |
申请人 |
NEC CORPORATION |
发明人 |
SAKATA, KAZUHIRO |
分类号 |
G06F13/00;H04L12/18;H04L12/58;(IPC1-7):H04L12/58 |
主分类号 |
G06F13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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