FIG. 1 is a front elevational view of the phone call monitoring device of the present invention;

FIG. 2 is a rear elevational view of the phone call monitoring device of FIG. 1;

FIG. 3 is a right side elevational view of the phone call monitoring device of FIG. 1, the left view being a mirror image thereof;

FIG. 4 is a bottom plan view of the phone call monitoring device of FIG. 1;

FIG. 5 is a top plan view of the phone call monitoring device of FIG. 1; and,

FIG. 6 is a top, front, right side perspective view of the phone call monitoring device of FIG. 1.

The broken lines showing of letters and numbers in FIGS. 5 and 6 are for illustrative purposes only and form no part of the claimed design.