发明名称 |
TELEPHONE AND PRIVATE BRANCH EXCHANGE |
摘要 |
The telephone of the present invention is a push button type telephone whereby a DTMF signal of a first one-touch dial table is sent out in accordance with operation keys input in the general line mode and a DTMF signal of a second one-touch dial table is sent out in the private branch exchange mode. A signal sent out from a telephone in the private branch exchange mode represents a character string composed of one or more characters, starting with a character selected from a particular character group like such a less frequently used (DTMF) char-acter as "A", "B", "C" or "D". A function table on the part of a private branch exchange establishes ties between a character string starting with a character included in the aforementioned character group and a service function. |
申请公布号 |
WO03049410(A3) |
申请公布日期 |
2003.09.04 |
申请号 |
WO2002JP12584 |
申请日期 |
2002.12.02 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MITSUO, SADAKA |
分类号 |
H04M1/00;H04M1/27;H04M1/274;H04M1/72;H04M1/723;H04M3/42;H04M11/00;H04Q3/62 |
主分类号 |
H04M1/00 |
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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