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11.发明公开A SYSTEM FOR EFFECTING A TELEPHONE CALL OVER A COMPUTER NETWORK WITHOUT ALPHANUMERIC KEYPAD OPERATION 有权系统实施上一个计算机电话呼叫网络，而无需使用键盘字符数字
公开(公告)号：EP1869872A4
公开(公告)日：2011-05-25
申请号：EP06738502
申请日：2006-03-16
Applicant: VONAGE NETWORK LLC
Inventor： SHAH NILESH , WASON ANDREW , CITRON JEFFREY
CPC classification number: H04M11/06 , H04L29/06027 , H04L65/1006 , H04L65/1069 , H04M7/0027 , H04M7/003
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