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                                                                    EXHIBIT 23.7
 
                        CONSENT OF INDEPENDENT AUDITORS
 
     We consent to the reference to our firm under the caption "Experts" in the
Registration Statement (Form S-4) and related Prospectus of WAXS INC. and to the
incorporation by reference therein of our report dated October 15, 1997, with
respect to the consolidated financial statements of Telco Systems, Inc. included
in the Current Report on Form 8-K filed by World Access, Inc. on September 9,
1998, as amended by Amendment No. 1 thereto on Form 8-K/A filed by World Access,
Inc. on September 25, 1998, both filed with the Securities and Exchange
Commission.
                                                 /s/ ERNST & YOUNG LLP
 
Boston, Massachusetts
October 1, 1998