专利名称：PROXY SERVER, COMMUNICATION SYSTEM,
COMMUNICATION METHOD ANDPROGRAM
发明人：Motohiro Suzuki,Hiroshi Kazami申请号：US12443360申请日：20071019
公开号：US20100074100A1公开日：20100325
专利附图：
摘要：A proxy server in an SIP network includes the common SIP proxy server function, the function of determining whether an SIP request and an SIP response received by the
proxy server belong to a call flow encountering a failure of the working SIP server , andthe function of, when determination is made that they belong to a call flow encounteringa failure, referring to the contents of the received SIP request and SIP response tospecify a destination to which the SIP request and the SIP response are to be transmittednext.
申请人：Motohiro Suzuki,Hiroshi Kazami
地址：Tokyo JP,Tokyo JP
国籍：JP,JP
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