| 发明名称 |
Computer-based telephone call conferencing |
| 摘要 |
Some embodiments provide a system including a telephone and a computing device coupled to the telephone, the computing device to establish a conference call between the telephone and at least one other telephone.
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| 申请公布号 |
US7372822(B2) |
申请公布日期 |
2008.05.13 |
| 申请号 |
US20030740954 |
申请日期 |
2003.12.18 |
| 申请人 |
SIEMENS COMMUNICATIONS, INC. |
发明人 |
CASPI RAMI;BEYDA WILLIAM J. |
| 分类号 |
H04L12/16;H04M1/247;H04M1/253;H04M1/725;H04M3/436;H04M3/56;H04M7/00 |
主分类号 |
H04L12/16 |
| 代理机构 |
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代理人 |
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