Telephone set
FIG. 1 is an front, top and right side isometric view of a telephone set showing my new design; 
     FIG. 2 is a rear elevational view thereof; 
     FIG. 3 is a left side elevational view thereof; 
     FIG. 4 is a top plan view thereof. 
     The broken line showing of a coiled cord in FIG. 4 is for illustrative purposes only and forms no part of the claimed design.