专利名称：Realization of presence management发明人：Matti Salmi,Hans Jacob Jespersen,Jesper
Aaen
申请号：US10099902申请日：20020313
公开号：US20030037103A1公开日：20030220
专利附图：
摘要：A data structure defining a presence protocol, a device, a server, a system andmethod to provide management of presence information as a standalone service as wellas part of the instant messaging service of a communication system.
申请人：NOKIA CORPORATION
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