| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone set capable of preventing a speech state from being unintentionally continued and preventing a conversation from being heard by a third person at a remote site in a room where the telephone set is installed.SOLUTION: A telephone set includes: a telephone function part 1; a human body sensor 2 for sensing that a person approaches nearby; an eavesdropping prevention function control part 3 for receiving a confirmation result of the human body sensor. The eavesdropping prevention function part automatically ends a call after a predetermined time after receiving the confirmation result showing that the human body sensor is not sensing a human.SELECTED DRAWING: Figure 1 |
