发明名称 |
Digital key telephone system and extension terminal device thereof |
摘要 |
A key telephone system wherein at least one of a plurality of extension terminals sends a transfer request to a main unit when a call is transferred from an office line to an extension line and the main unit having transfer processing means which transfers the call in accordance with a transfer request and during the transfer processing, sending the CLI from the communication network to the extension line. |
申请公布号 |
GB0024908(D0) |
申请公布日期 |
2000.11.22 |
申请号 |
GB20000024908 |
申请日期 |
1997.02.13 |
申请人 |
TOSHIBA, KABUSHIKI KAISHA |
发明人 |
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分类号 |
H04M1/57;H04M3/22;H04M3/26;H04M3/42;H04M3/428;H04M3/533;H04M3/58;H04M9/00;H04Q1/10;H04Q3/545;H04Q3/58;H04Q3/62 |
主分类号 |
H04M1/57 |
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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