发明名称 Method for providing absence information
摘要 A method for providing absence information in a telecommunication system comprising several subscribers, wherein the absence information is produced and captured by a first subscriber terminal. The presence information is transmitted to a switching node and stored therein. The switching node transmits the absence information to a second subscriber terminal such that the absence information is continuously available. Known absence text and station guarding services are used to produce and store absence information.
申请公布号 US7251482(B2) 申请公布日期 2007.07.31
申请号 US20050529403 申请日期 2005.03.29
申请人 SIEMENS AKTIENGESELLSCHAFT 发明人 ACKERMANN-MARKES ACHIM
分类号 H04M3/42;H04Q7/22;H04Q7/38 主分类号 H04M3/42
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