发明名称 |
Third party call control of all phones |
摘要 |
A system and method for call control wherein a call received at a communication device may be controlled through an IP device connected to an IP network over which at least a portion of the call was routed. The IP device is connected to the IP network via a control gateway.
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申请公布号 |
US7715421(B2) |
申请公布日期 |
2010.05.11 |
申请号 |
US20040773640 |
申请日期 |
2004.02.05 |
申请人 |
AT&T INTELLECTUAL PROPERTY II, L.P. |
发明人 |
CHEN YIHSIU;FISHER STEVE;FOLADARE MARK J.;GLAZER SAMUEL;GOLDMAN SHELLEY B.;KOWALSKI THADDEUS |
分类号 |
H04J3/26;H04J3/22;H04L29/02;H04M3/42;H04M3/428;H04M3/533;H04M3/54;H04M3/56;H04M7/00;H04Q3/545 |
主分类号 |
H04J3/26 |
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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