EXHIBIT 23.1
INDEPENDENT AUDITORS' CONSENT
We consent to the incorporation by reference in this Pre-Effective Amendment
No. 1 to Registration Statement No. 333-46954 of Covista Communications, Inc.
and subsidiaries (formerly Total-Tel USA Communications, Inc.) (the "Company")
on Form S-3 of our report dated April 17, 2000 (April 25, 2000 as to Note 18),
appearing in the Company's Annual Report on Form 10-K for the year ended
January 31, 2000 and to the reference to us under the heading "Experts" in the
Prospectus, which is part of this Registration Statement.
/s/ Deloitte & Touche LLP
New York, New York
October 12, 2000
