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发明名称
AUTOMATED BOOKING OF TELECOMMUNICATIONS CALLS
摘要
申请公布号
EP0435449(A3)
申请公布日期
1993.03.03
申请号
EP19900312740
申请日期
1990.11.22
申请人
AMERICAN TELEPHONE AND TELEGRAPH COMPANY
发明人
DORST, GARY LEWIS;POPE, FRANCIS JOSEPH III
分类号
H04M3/42;H04M3/432;H04M3/48;H04M3/60;(IPC1-7):H04Q3/545
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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