METHOD OF AND SYSTEM FOR EXTENDING INTERNET TELEPHONY OVER VIRTUAL PRIVATE NETWORK DIRECT ACCESS LINES,申请号EP20000948982-传众专利搜索

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发明名称	METHOD OF AND SYSTEM FOR EXTENDING INTERNET TELEPHONY OVER VIRTUAL PRIVATE NETWORK DIRECT ACCESS LINES
摘要
申请公布号	EP1198925(A4)	申请公布日期	2003.01.02
申请号	EP20000948982	申请日期	2000.07.28
申请人	MCI WORLDCOM, INC.	发明人	DONOVAN, STEVEN, R.;CANNON, MATTHEW, J.
分类号	H04M3/42;H04L12/46;H04L29/06;H04L29/12;H04M3/00;H04M7/00;H04M7/12;H04Q3/00;(IPC1-7):H04L12/28;H04L12/56;H04L12/66	主分类号	H04M3/42
代理机构		代理人
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