发明申请
- 专利标题： Pre-connection telephony data signal exchanges
- 专利标题（中）： 预连接电话数据信号交换
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申请号： US10325121申请日： 2002-12-20
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公开(公告)号： US20040120015A1公开(公告)日： 2004-06-24
- 发明人: Thomas E. Creamer , Peeyush Jaiswal , Neil A. Katz , Victor S. Moore
- 申请人： International Business Machines Corporation
- 申请人地址： NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： NY Armonk
- 主分类号： H04N001/32
- IPC分类号： H04N001/32 ; H04M011/00
摘要：
A method for conveying digital information can include initiating a telephone connection to a receiving device. Prior to establishing a voice channel connection with the receiving device, supplemental data can be digitally encoded into a CNG transmission. The CNG transmission can be conveyed via a CNG channel, wherein the CNG channel is capable of transporting a facsimile calling tone signal.
公开/授权文献
- US07209264B2 Pre-connection telephony data signal exchanges 公开/授权日：2007-04-24
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