FIG. 1 is a perspective view of a telephone base showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of a second embodiment of the telephone base, having an illuminated display screen and illuminated buttons,

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a top plan view thereof; and

FIG. 14 is a bottom view thereof.

FIG. 15 is a perspective view of a third embodiment of the telephone base;

FIG. 16 is a front elevational view thereof;

FIG. 17 is a rear elevational view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a right side elevational view thereof;

FIG. 20 is a top plan view thereof; and

FIG. 21 is a bottom plan view thereof.

FIG. 22 is a perspective view of a fourth embodiment of the telephone base, having an illuminated display screen and illuminated buttons,

FIG. 23 is a front elevational view thereof;

FIG. 24 is a rear elevational view thereof;

FIG. 25 is a left side elevational view thereof;

FIG. 26 is a right side elevational view thereof;

FIG. 27 is a top plan view thereof; and,

FIG. 28 is a bottom view thereof.

The broken lines that show the outermost periphery of non-claimed features represent the boundaries of the claimed design of the embodiment in which they are shown, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines and unshaded portions of the telephone base form no part of the claimed design of the embodiment in which they are shown.