DESK-TOP-MOUNT ANGLE ADJUSTMENT DEVICE IN COMMON WITH WALL-MOUNT USE MOUNT DEVICE FOR TELEPHONE SET

PROBLEM TO BE SOLVED: To provide the angle adjustment device in the case of desktop mount in common use of the mount device in the case of wall-face mount with a simple configuration. SOLUTION: A base frame 5 of nearly wedge-shape with a tilt angle larger than that of a telephone set main body 1 is provided, the telephone set main body 1 is selectively engaged with the frame 5 by setting the telephone set main body 1 in forward/backward directions with a removable engagement mechanism 9. In the case of using the telephone set main body 1 for a desk-top mount, a gentle slope is realized by not using the base frame 5 and in the case of using the telephone set main body 1 for a wall mount, a steep slope is realized by using the base frame 5 that is engaged in a forward direction, and while the base frame 5 is fixed upward on the wall face, the telephone set main body 1 is engaged with the base frame 5 downward to use the telephone set main body 1 as the wall mount.