The ornamental design for a telecommunicationhandset, as shown and described.
FIG. 1 is a perspective view of a telecommunication handset showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a back elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
In the drawings, the dash-dot-dot-dash type broken lines represent boundaries of the claimed design. The dash-dash-dash type broken lines depict unclaimed environment. The broken lines and the surfaces bounded by broken lines form no part of the claimed design.