发明名称 Method and apparatus for enabling a privacy feature in a communications network
摘要 A method, apparatus, and computer instructions for securely transferring information in a communications system. Signals are generated by a communications keypad. In response to receiving an input indicating activation of a secure data transfer mode, these signals are converted from the communications keypad into speech signals, and the speech signals are transmitted to a receiving party.
申请公布号 US6879669(B1) 申请公布日期 2005.04.12
申请号 US20030675742 申请日期 2003.09.30
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 PEREPA BHARGAV V.;PEREPA SUJATHA;VENKATARAMAPPA VISHWANATH
分类号 H04M1/725;H04M3/42;H04M11/10;H04Q1/45;(IPC1-7):H04M11/00 主分类号 H04M1/725
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