发明名称 |
Testing and complaint accepting communication unit |
摘要 |
A communication box which operates as a testing and complaint accepting communication unit and which is connected with a workstation which can communicate with a call processor for controlling a digital switch module includes a subscriber line interface connected with a subscriber line from a subscriber line circuit for transmitting/receiving speech signals to/from another telephone connected with one exchange, an inter-office interface connected with an inter-office communication line from an inter-office communication trunk unit for transmitting/receiving speech signals to/from another exchange, and a telephone circuit which connects a head set for talking to allow to select a line of either interface and to call and communicate with either interface under control from the workstation and to communicate or to test a speech condition defined by speech signals monitored at the head set.
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申请公布号 |
US5596623(A) |
申请公布日期 |
1997.01.21 |
申请号 |
US19940333065 |
申请日期 |
1994.11.01 |
申请人 |
FUJITSU LIMITED |
发明人 |
UCHIBA, MAKOTO;KUROKI, YUJI |
分类号 |
H04M3/00;H04M3/22;H04M3/30;(IPC1-7):H04M1/29;H04J1/16;H04J3/14;H04M3/08 |
主分类号 |
H04M3/00 |
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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