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发明名称
TELECOMMUNICATION NETWORK FOR SERVICE FROM PLURAL EXCHANGES TO USER
摘要
申请公布号
JPH09181718(A)
申请公布日期
1997.07.11
申请号
JP19960143372
申请日期
1996.06.06
申请人
AT & T CORP
发明人
MENACHIEMU TSUZAA AADON
分类号
H04L12/66;H04Q3/00;H04Q11/04;(IPC1-7):H04L12/00;H04L12/28
主分类号
H04L12/66
代理机构
代理人
主权项
地址
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