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发明名称
METHOD FOR PROVIDING ENHANCED H.321-BASED MULTIMEDIA CONFERENCING SERVICES OVER THE ATM WIDE AREA NETWORK
摘要
申请公布号
EP0913069(A1)
申请公布日期
1999.05.06
申请号
EP19980911813
申请日期
1998.03.19
申请人
AT & T CORP.
发明人
ROY, RADHIKA, R.
分类号
H04L12/56;H04N7/14;H04N7/15;H04Q11/04;(IPC1-7):H04Q11/04
主分类号
H04L12/56
代理机构
代理人
主权项
地址
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