Invention Grant
US07676027B2 Systems and methods to send and receive encrypted DTMF digits in a data flow
有权
在数据流中发送和接收加密的DTMF数字的系统和方法
- Patent Title: Systems and methods to send and receive encrypted DTMF digits in a data flow
- Patent Title (中): 在数据流中发送和接收加密的DTMF数字的系统和方法
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Application No.: US11172628Application Date: 2005-06-30
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Publication No.: US07676027B2Publication Date: 2010-03-09
- Inventor: Pierre Laurent , Mehdi Hassane
- Applicant: Pierre Laurent , Mehdi Hassane
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Agency: Schwegman, Lundberg & Woessner, P.A.
- Main IPC: H04M1/64
- IPC: H04M1/64
Abstract:
Systems and methods provide for embedding white noise signals representing DTMF digits into a voice data stream.
Public/Granted literature
- US20070025331A1 Systems and methods to send and receive encrypted DTMF digits in a data flow Public/Granted day:2007-02-01
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