Exhibit 23.01

                       CONSENT OF INDEPENDENT ACCOUNTANTS

We consent to the incorporation by reference in Registration Statement No.
333-37141 on Form S-3 and Registration Statement No. 333-19727 on Form S-8 of
IDT Corporation of our report dated September 25, 1997, with respect to the
consolidated financial statements and schedule of IDT Corporation included in
this Annual Report (Form 10-K) for the year ended July 31, 1997.


                                                     /s/ Ernst & Young LLP


                                                     ERNST & YOUNG LLP

New York, New York
October 27, 1997