A telephone uses a locking mechanism for a handset where the handset includes a receiver part and a microphone part. Particularly, the dielectric chip has a space area, for example, a flute for forming an air layer on an underside. The second mover is rigidly coupled to the first mover so that movement of the first mover results in movement of the second mover. The plug includes a generally rectangular slot across the top surface of the plug at right angles to the segment.