发明名称 METHOD AND APPARATUS FOR STAND-ALONE VOICE OVER INTERNET PROTOCOL WITH POTS TELEPHONE SUPPORT
摘要 An apparatus and methods for utilizing a stand-alone Voice over Internet Protocol (VolP) telephone with traditional plain old telephone service (POTS) telephone support is disclosed. A stand-alone VolP telephone with an analog telephone adaptor supporting a plurality of external analog telephone sets and a digital Internet protocol (IP) interface to support VolP voice data communication over a data channel is presented. The VolP telephone is used to establish VolP service line data connections between a VolP telephone and a data switch to an IP network (310). The VolP telephone receives an analog telephone signal from an external analog telephone (315) and establishes a voice connection between the external analog telephone and the VolP telephone (320).
申请公布号 WO2004109433(A3) 申请公布日期 2006.02.02
申请号 WO2004US14438 申请日期 2004.05.10
申请人 SBC KNOWLEDGE VENTURES, L.P. 发明人 YING, GOANGSHIUAN, SHAWN;EDMON, EUGENE, L.;BROWN, CARLTON, LIGAR
分类号 H04L12/28;H04M1/253;H04M7/00;H04M11/06 主分类号 H04L12/28
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