发明名称 Telephone method and apparatus
摘要 A telephone and telephone answering apparatus and method are described for using secondary information embedded in audio passages included in phone calls. The telephone and telephone answering device monitors received calls to automatically detect for the presence of embedded secondary information. Some embodiments merely receive, automatically monitor for the presence of, and use secondary information. Other embodiments are also capable of generating and of embedding secondary information into audio passages.
申请公布号 US6775557(B2) 申请公布日期 2004.08.10
申请号 US20010848836 申请日期 2001.05.05
申请人 TSAI MARY Y. 发明人 TSAI IRVING
分类号 H04M1/60;H04M1/65;H04M1/725;(IPC1-7):H04Q7/20;H04K1/00 主分类号 H04M1/60
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