发明名称 |
PROCESS FOR MONITORING A COMMUNICATION LINE |
摘要 |
This invention concerns a process in which the call number of a subscriber who is to be under surveillance is characterized by an indication given to a subscriber authorized to monitor calls and a three-way conference call is set up involving the subscriber under surveillance, a second party calling or being called, and a third part authorized to monitor the calls. |
申请公布号 |
WO9741678(A2) |
申请公布日期 |
1997.11.06 |
申请号 |
WO1997DE00888 |
申请日期 |
1997.04.30 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT;GUNDLACH, MICHAEL |
发明人 |
GUNDLACH, MICHAEL |
分类号 |
H04M3/22;H04M3/56;H04Q3/00 |
主分类号 |
H04M3/22 |
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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