发明名称 CALL ROUTING SYSTEM AND METHOD
摘要 A method and system is provided wherein routing information is obtained from previously cached information or from a gatekeeper (30). An originating gateway (20) in a network receives a request for a connection and determines whether pertinent routing information is cached. If available, the cached routing is used to attempt to establish a connection. If no previously established routing is available, the originating gateway (20) requests preferred outing from a gatekeeper (30), including prioritized selections of terminating gateways (22, 24 and 26) through which to make a connection to a designated call recipient (12).
申请公布号 WO2004021622(A3) 申请公布日期 2004.10.14
申请号 WO2003US26731 申请日期 2003.08.26
申请人 ITXC CORP. 发明人 EVSLIN, TOM
分类号 H04L12/66;H04L29/06;H04M7/00 主分类号 H04L12/66
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