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                                                                  EXHIBIT 23.7

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated December 10, 1999 (except for the fourth paragraph of
Note 5 and sixth paragraph of Note 13, as to which the date is May 22, 2000),
with respect to the financial statements of Communications Telesystems
International d.b.a. WORLDxCHANGE Communications included in the Registration
Statement (Amendment No. 1 to Form S-4 No. 333-37750) and related Prospectus of
World Access, Inc. for the registration of shares of its common stock expected
to be filed on or about August 3, 2000.

                                        /s/ ERNST & YOUNG LLP

San Diego, California
July 31, 2000