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发明名称
INTERNET TELEPHONY SYSTEM AND METHOD
摘要
申请公布号
EP1180287(A4)
申请公布日期
2004.07.21
申请号
EP20000932076
申请日期
2000.05.04
申请人
VOCALTEC COMMUNICATIONS LTD.
发明人
YAARY, EREZ;SHEM-TOV, OFER
分类号
H04L12/66;H04M7/00;H04M11/00;(IPC1-7):H04M7/00
主分类号
H04L12/66
代理机构
代理人
主权项
地址
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