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发明名称
Internet telephony
摘要
申请公布号
GB2331197(A)
申请公布日期
1999.05.12
申请号
GB19970023803
申请日期
1997.11.11
申请人
* TELEFONAKTIEBOLAGET L M ERICSSON
发明人
MAGNUS * HALLENST¨L;SIMON * PEEL;FREDRIK * AXELSSON
分类号
H04M7/00;(IPC1-7):H04M3/00
主分类号
H04M7/00
代理机构
代理人
主权项
地址
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