A METHOD FOR PROVIDING ADDITIONAL SIGNALING SERVICE OF INTERNET TELEPHONY BASED ON VIRTUAL PRIVTE NETWORK AND A SYSTEM THEREOF,申请号KR20040008872-传众专利搜索

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发明名称	A METHOD FOR PROVIDING ADDITIONAL SIGNALING SERVICE OF INTERNET TELEPHONY BASED ON VIRTUAL PRIVTE NETWORK AND A SYSTEM THEREOF
摘要
申请公布号	KR20050080780(A)	申请公布日期	2005.08.18
申请号	KR20040008872	申请日期	2004.02.11
申请人	TAONETWORKS INC.;IPINFRA, INC.	发明人	AHN, SANG JUNE;PARK, JU HONG;LEE, SUNG YEOL
分类号	H04W4/16;(IPC1-7):H04Q7/24	主分类号	H04W4/16
代理机构		代理人
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