The ornamental design for an expansionphone, as shown and described.
FIG. 1 is a front elevational view of an expansion telephone showing my new
design, with the handset in the cradle and with the dial on the top of the
expanded stand;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a side elevational view thereof; and
FIG. 5 is a side elevational view thereof, with the handset spaced off of
the cradle, and with the stand retracted to bring the dial into use
position.