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发明名称
AUSFALLGESICHERTES BETRIEBSVERFAHREN IN EINEM LAUTFERNSPRECHSYSTEM
摘要
申请公布号
DE69332309(T2)
申请公布日期
2003.05.22
申请号
DE19936032309T
申请日期
1993.06.28
申请人
POLYCOM, INC.
发明人
HUANG, SHAN-SHAN;HINMAN, L.;GAUT, K.
分类号
H04M1/60;H04B3/23;H04M9/08;(IPC1-7):H04M1/00
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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