发明名称 |
FUTURE BLOCKING OF INCOMING TELEPHONE CALLS |
摘要 |
of the Invention Method and apparatus for screening telephone calls for use in conjunction with a telephone set as, opposed to a switch, which provides a capability of storing a telephone number for use in blocking calls from the telephone number, without the need for re-entering the telephone number.
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申请公布号 |
CA2090536(A1) |
申请公布日期 |
1993.09.03 |
申请号 |
CA19932090536 |
申请日期 |
1993.02.26 |
申请人 |
ROLM COMPANY |
发明人 |
IGLEHART, DAVID;FORD, GORDON D. |
分类号 |
H04M3/42;H04M1/663;H04Q3/58;(IPC1-7):H04M1/66 |
主分类号 |
H04M3/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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