| 摘要 |
PURPOSE:To call without providing separately a speaker and a microphone for hand-free by providing a switch that switches a function automatically to a hand-free function when a hand set is set reversely against the main body of a call equipment. CONSTITUTION:A hand set 6 is equipped with a speaker 8 and a microphone 9, and a general hook switch 12 that is provided in the receiving part of a speaker part and a hook switch 13 for hand-free switching that is provided at the intermediate position of upper and lower parts are provided in its main body. Corresponding to these switches 12 and 13 recessed parts 10 and 11 are provided at a set 6 side. And in a call time, the setting of the switch 13 as on by lifting and setting of the hand set 6 in reverse position makes a call in a hand-free mode switching to the hand-free function.
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