Housing for network access device

FIG. 1 is an upper right front perspective view, as viewed under a phone set which is shown in broken lines for illustrative purposes only and forms no part of the claimed design.

FIG. 2 is an upper right front perspective view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a front elevational view; and,

FIG. 7 is a top plan view. The portion of the article not shown in the drawing or described in the specification forms no part of the claimed design.