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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