| 摘要 |
<p>PURPOSE:To notify line wire incoming call sounds as individual audio messages of each telephone set by providing a sound recording and reproducing device connected to telephone set connecting ports of a main device. CONSTITUTION:A sound recording and reproducing device 5 is connected with telephone set connecting ports CN(m-3)-CNm respectively through extension lines 3(m-3)-3m and each connecting port is selected by means of system data. Then the calling method to each key telephone set when an incoming call is made from a line wire is set to the sound recording and reproducing device 5. When a line wire incoming call arrives, data are transmitted from a main device 1 to the transmission circuit of the sound recording and reproducing device 5 and the main CPU 57 of the device 5 detects it and drives a sound recording and reproducing device 57 and cross point 51. As a result, calling information reproduced by the device 57 is sent out. Therefore, a line wire incoming call can be made individual audio messages.</p> |
