发明名称 Packet switched information network with universal access to enhanced network services
摘要 An information network for connecting input communication devices using a number of different access protocols to network hosts in which a packet switch is provided for enabling and disabling communication paths betweeen the input devices and hosts and in which an enhanced network function server is able to be used during operation of the packet switch by an enhanced network function access module which permits access to the enhanced function server for the different access protocols.
申请公布号 US5072441(A) 申请公布日期 1991.12.10
申请号 US19900563704 申请日期 1990.08.07
申请人 NYNEX CORPORATION 发明人 SZWARC, MICHAL
分类号 H04L12/56;H04L29/06 主分类号 H04L12/56
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