Exhibit 23.1


INDEPENDENT AUDITORS' CONSENT

We consent to the incorporation by reference in this Amendment No. 3 to
Registration Statement No. 333-69644 of Covista Communications, Inc. and
subsidiaries (the "Company") on Form S-4 of our report dated April 11, 2001
(April 24, 2001 as to Note 21c.), appearing in the Annual Report on Form 10-K
of the Company for the year ended January 31, 2001, and to the reference to
us under the heading "Experts" in the Proxy Statement/Prospectus, which is
part of this Registration Statement.

/s/ DELOITTE & TOUCHE LLP
New York, New York
January 8, 2002