| 发明名称 |
Telephone apparatus |
| 摘要 |
A telephone apparatus connects to a telecommunications network via an exchange line. It has signal recognition for detecting and recognizing calling line identity (CLI) and called number identity (CNI) signalling transmitted over the exchange line. The apparatus causes an incoming call to be transferred to a second exchange line in response to specified CLIs and/or CNIs.
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| 申请公布号 |
US6192231(B1) |
申请公布日期 |
2001.02.20 |
| 申请号 |
US19980068225 |
申请日期 |
1998.05.05 |
| 申请人 |
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY |
发明人 |
CHAPMAN IAN DAVID;BUTTERY STEPHEN JOHN;WALKER SIMON |
| 分类号 |
H04M3/42;H04M1/00;H04M1/57;H04M1/663;H04M1/725;H04Q3/58;H04Q7/38;(IPC1-7):H04M9/00 |
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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