FIG. 1 is a front, top and right side perspective view of a portable telephone handset, showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a front, top and right side perspective view of the portable telephone handset shown in combination with a broken line personal data assistant;

FIG. 4 is a rear, bottom and left side perspective view thereof; and,

FIG. 5 is a front, top and right side perspective view thereof in a closed state.

The broken line showings of a personal data assistant in FIGS. 3-5 are for illustrative purposes only and form no part of the claimed design.

Any portion of the article not shown in the drawings or described in the specification forms no part of the claimed design.