发明名称 |
Communications system, presence server, and communications method used for them |
摘要 |
The present invention provides a communications system, presence server, and communications method used for them, which determines an optimum operation for phone call taken into account presence information of caller. The presence server compares a priority level allocated to caller presence information with a priority level allocated to receiver presence information, selects optimum operation from preset operations based on the comparison result and controls a exchange according to the selected operation.
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申请公布号 |
US8369502(B2) |
申请公布日期 |
2013.02.05 |
申请号 |
US20060531049 |
申请日期 |
2006.09.12 |
申请人 |
NEC INFRONTIA CORPORATION;HAYAKAWA YOSHIAKI |
发明人 |
HAYAKAWA YOSHIAKI |
分类号 |
H04M1/00;H04W8/18;H04W72/12;H04W76/02;H04W88/18 |
主分类号 |
H04M1/00 |
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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