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发明名称
Method and system for conducting a multimedia phone call
摘要
申请公布号
EP0971513(A3)
申请公布日期
2002.01.02
申请号
EP19990305263
申请日期
1999.07.02
申请人
NORTEL NETWORKS LIMITED
发明人
CRAMER, SETH WHITNEY;MICHAUD, BERNARD MARC-ANDRE;ROHS, CHARLES GERALD;PASLAWSKI, DANIEL JOHN;LI, QI;LO, KEVIN CHI HIN
分类号
H04L29/06;H04L29/08;H04L29/12;(IPC1-7):H04L12/64;H04M7/00;H04M1/253;H04M3/56;H04M3/51
主分类号
H04L29/06
代理机构
代理人
主权项
地址
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