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                                                                  EXHIBIT 23.02
 
                        CONSENT OF INDEPENDENT AUDITORS
 
  We consent to the references to our firm under the captions "Experts" and
"Selected Consolidated Financial and Operating Data" and to the use of our
reports dated September 30, 1996, in the Registration Statement on Form S-1
and related Prospectus of IDT Corporation for the registration of 400,000
shares of its common stock.
 
                                          ERNST & YOUNG LLP
 
New York, New York
December 26, 1996
