发明名称 |
Method and apparatus for placing telephone calls while connected to the internet |
摘要 |
The present invention enables a user, logged on to a data network over a traditional telephone line, to place additional outgoing calls over that same line without interruption of the data session. The user is also able to provide communication between the outgoing call and the data session such that, voice over the data session can be conferenced into voice over the newly outgoing telephone session.
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申请公布号 |
US6188688(B1) |
申请公布日期 |
2001.02.13 |
申请号 |
US19970853231 |
申请日期 |
1997.05.21 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
BUSKIRK, JR. MARTIN CORNELIUS |
分类号 |
H04M3/428;H04M7/00;(IPC1-7):H04L12/28 |
主分类号 |
H04M3/428 |
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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