发明名称 Voice telephony system
摘要 A voice telephony system integrates voice telephony technology with television programming via a visual interface for a telephony device operating in a speakerphone mode. The visual interface indicates a status of the telephony device to a user, and is displayed by a video processing device connected to the television.
申请公布号 US6760415(B2) 申请公布日期 2004.07.06
申请号 US20000527709 申请日期 2000.03.17
申请人 QWEST COMMUNICATIONS INTERNATIONAL INC. 发明人 BEECROFT TROY C.
分类号 H04M1/60;H04N5/445;(IPC1-7):H04B1/00 主分类号 H04M1/60
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