| 摘要 |
PROBLEM TO BE SOLVED: To make a device small in size, excellent in operability and reduced in power consumption by providing a turning and depression means configured integrally with the electronic device and conducting a turning and depression operation corresponding to the displayed information. SOLUTION: A call signal through a trunk line from an exchange station is given to a line I/F 50 and an incoming call detection section 52 detects an incoming call and a call tone is sent from a connected speaker 54. Through the calling, the user of a telephone set depresses down a roller for one second or over to close a tact switch. Thus, switching control from on-hook to off-hook is conducted by a CPU 60. Thus, a reply signal is sent and a line is connected to a called opposite party through the exchange station to attain a speech. A speaker 12 and a microphone 13 connecting to a speech network 56 are used to make a speech through the line I/F 50. |
