EX-23 5 ex23-1.txt EXHIBIT 23.1 Exhibit 23.1 Consent of Stonefield Josephson, Inc., Independent Auditors We consent to the incorporation by reference in the Registration Statement (Form S-8 No. 33-76128) pertaining to the 1991 Qualified Stock Option Plan and 1991 Nonqualified Stock Option Plan, in the Registration Statement (Form S-8 No. 33-82016) pertaining to the 1993 Non-Employee Director Stock Option Plan, in the Registration Statement (Form S-8 No. 333-08049) pertaining to the 1996 Stock Option Plan and in the Registration Statement (Form S-8 No. 333-44410) pertaining to the 1993 Non-Employee Director Stock Option Plan and 1996 Stock Option Plan, of our report dated January 15, 2004, with respect to the consolidated financial statements and related schedule of Cellular Technical Services Company, Inc. as of December 31, 2003 and for the year then ended included in the Annual Report (Form 10-K) for the year ended December 31, 2003. /s/ Stonefield Josephson, Inc. Santa Monica, California March 29, 2004