发明名称 Emergency calling with a VoIP device in a VLAN environment
摘要 Method (130) for optimizing emergency call service in a Virtual Local Area Network including at least one Voice over Internet Protocol device. A range of port numbers is reserved for use during emergencies (134). Next, a VoIP device transmits an emergency call within the VLAN using a port in the specified range (136). Extra resources are reserved for handling the calls using ports within the specified range (138).
申请公布号 US2002085538(A1) 申请公布日期 2002.07.04
申请号 US20000752004 申请日期 2000.12.29
申请人 LEUNG MUN KEUNG 发明人 LEUNG MUN KEUNG
分类号 H04L12/46;H04L29/06;H04L29/08;(IPC1-7):H04L12/66 主分类号 H04L12/46
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