发明名称 |
Method and apparatus for evaluating possible 3-way call events |
摘要 |
The likelihood that a called party to a telephone call has forwarded the call to another party, or has conferenced the call to include another party is estimated by requiring that the called party supply a first signal, illustratively a first DTMF signal, later requiring that the called party provide a second signal, illustratively the same DTMF signal provided by the first signal, and comparing characteristics of said first and second signals as received at a telephone network node.
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申请公布号 |
US8050393(B2) |
申请公布日期 |
2011.11.01 |
申请号 |
US20080151321 |
申请日期 |
2008.05.05 |
申请人 |
CONFINEMENT TELEPHONY TECHNOLOGY, LLC |
发明人 |
APPLE WESLEY LARRY;CLANTON, III SAM BURRIS;PABON TIMOTHY EDWIN;RYAN WILLIAM;TOWNSEND, III JOHN VINCENT |
分类号 |
H04M15/00 |
主分类号 |
H04M15/00 |
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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