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 February 16, 1999 (except for Note 6 which is as of March 17, 1999), relating to the consolidated financial statements of All Communications Corporation which are contained in this prospectus We also consent to the reference to us under the caption "Experts" in the prospectus. /s/ BDO Seidman LLP BDO SEIDMAN, LLP Woodbridge, New Jersey January 31, 2000