FIG. 1 is a top view of the handset of our new and ornamental design for a telephone;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top, right, front perspective view thereof;

FIG. 8 is a top view of an alternative embodiment of the handset shown in FIG. 1;

FIG. 9 is a bottom view thereof;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof; and,

FIG. 14 is a top, right, front perspective view thereof.