Portion of speakerphone

FIG. 1 is a perspective view of a portion of speakerphone, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an enlarged view of the portion 3 indicated in FIG. 1 ;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines consisting of a long dash and one short dash depict reference to the enlargement shown in FIG. 3 and form no part of the claimed design.

The broken lines consisting of a long dash and two short dashes depict a boundary of the claimed design and form no part of the claimed design.

All other broken lines depict environmental subject matter only and form no part of the claimed design.