发明名称 SYSTEM AND METHOD FOR PROVIDING FAULT TOLERANT IP SERVICES
摘要 The present invention provides a system and method for providing fault tolerant IP services that includes establishing a first communication sessio n between an originating telephony device and an application server, through a primary call manager. Failure of the primary call manager may be detected. A second communication session between the application server and a destinatio n telephony device may be established via a back-up call manager. The first communication and the second communication session may be coupled at the application server to establish two-way communication between the originatin g telephony device and the destination telephony device.
申请公布号 CA2494453(A1) 申请公布日期 2004.03.04
申请号 CA20032494453 申请日期 2003.08.12
申请人 CISCO TECHNOLOGY, INC. 发明人 SARKAR, SHANTANU;PATEL, LABHESH;SHAFFER, SHMUEL
分类号 H04L29/06;H04M3/22;H04M7/00;H04M7/06;(IPC1-7):H04M7/00;H04L29/14 主分类号 H04L29/06
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