| 摘要 |
A device (23) for transmitting character data (ZD), which can also represent letters of the alphabet, to a service device (4, 5) via a telephone network (PSTN1, PSTN2), comprises a numerical keyboard (16) for the entry of number data (ND) representing a telephone number of the service device (4, 5), and comprises a character keyboard (24) for the entry of character data (ZD) representing address information or message information, and comprises dial tone generator means (19) to which number data (ND) can be applied and which can supply dial tones (WT) to the telephone network (PSTN1, PSTN2) in order to establish a telephone connection with the service device (4, 5), the device (23) further comprising coding means (26) for coding character data (ZD) into transmission data (UD) formed by number data (ND), which transmission data (UD) can be supplied to the service device (4, 5) as dial tones (WT) via the telephone network (PSTN1, PSTN2). |
