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发明名称
INTERNET TELECOMMUNICATIONS SYSTEM
摘要
申请公布号
EP0886936(A4)
申请公布日期
1999.04.28
申请号
EP19970903866
申请日期
1997.01.22
申请人
FIRETALK INC.
发明人
BLAIR, WILLIAM, A.;RALLIS, WILLIAM, N.
分类号
H04M15/18;H04L12/64;H04M3/00;H04M3/42;H04M3/48;H04M3/493;H04M3/56;H04M7/00;H04M11/00;(IPC1-7):H04L12/56
主分类号
H04M15/18
代理机构
代理人
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地址
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