| 摘要 |
PROBLEM TO BE SOLVED: To enable change between a vertical array type and a horizontal array type with a simple operation concerning a single desk telephone set.SOLUTION: A desk telephone set 100 includes: a body base part 10 having a handset 11 and a main board 12; and a dial panel unit 20 constituted to be attachable/detachable to/from the body base part 10 and having dial buttons 21 on an operation surface. When the dial panel unit 20 is detached from the body base part 10 so as to be replaced, the arrangement of the dial buttons 21 on the operation surface with respect to the body base part 10 can be changed. |
