发明名称 Enhanced emulation system on a communication network
摘要 The present invention supports a packet-based communication by emulating the functions of an enhanced mobile radio system. The communication device executes emulation software to support simplex communications, as well as other communication features such as voice mail, electronic mail, or public switched telephone network communications. Communications to and from the devices configured with emulation software can also be controlled with a presence routine.
申请公布号 US6917621(B1) 申请公布日期 2005.07.12
申请号 US20010812975 申请日期 2001.03.20
申请人 NORTEL NETWORKS LIMITED 发明人 SILVER ANDREW
分类号 H04L12/28;H04L12/56;H04W4/10;H04W84/08;(IPC1-7):H04L12/28 主分类号 H04L12/28
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