Telephone handset
FIG. 1 is a perspective view of a telephone handset showing my new design; 
     FIG. 2 is a reduced front elevational view; 
     FIG. 3 is a front elevational view; 
     FIG. 4 is a rear elevational view; 
     FIG. 5 is a top plan view; 
     FIG. 6 is a bottom plan view; 
     FIG. 7 is a left side elevational view; and, 
     FIG. 8 is a right side elevational view thereof. 
     The broken line disclosure of a telephone handset dispenser in FIG. 1 and of a telephone handset dispenser and airline seatback in FIG. 2 is for illustrative purposes only and forms no part of the claimed design.