CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS All Communications Corporation Hillside, New Jersey We hereby consent to the inclusion in the prospectus constituting a part of this registration statement of our report dated January 21, 1997, relating to the consolidated financial statements of All Communications Corporation for the year ended December 31, 1996. We also consent to the reference to us under the caption "Experts" in the prospectus. /s/ Schneider Ehrlich & Associates LLP SCHNEIDER EHRLICH & ASSOCIATES LLP Jericho, New York January 28, 2000