发明名称 System and Method for Voice Over Internet Protocol Using a Standard Telephone System
摘要 A system and method is provided for routing telephone calls on a standard telephone network to one of a PSTN network and a VoIP network. The system comprises at least one telephone capable of making local and long distance calls on the network. A Central Office is coupled to the telephone and comprises a trigger for identifying calls to be routed to either a VoIP platform or the PSTN network. Calls to be converted to IP protocol are routed to a VoIP platform. An IP network is coupled to the VoIP platform and routes VoIP calls to one or more devices in communication with the telecommunications system.
申请公布号 US2008260139(A1) 申请公布日期 2008.10.23
申请号 US20080145122 申请日期 2008.06.24
申请人 AT & T DELAWARE INTELLECTUAL PROPERTY, INC. 发明人 RUCKART JOHN P.;RAUBA RIMAS J.
分类号 H04M7/00 主分类号 H04M7/00
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