Exhibit 32.2

      CERTIFICATION OF CORPORATE CONTROLLER AND PRINCIPAL FINANCIAL OFFICER
                         PURSUANT TO 18 U.S.C. ss. 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In  connection  with  the  Quarterly Report of ATSI Communications, Inc. on Form
10-QA  for  the period ending October 31, 2003, as filed with the Securities and
Exchange Commission on the date hereof, I, Antonio Estrada, Corporate Controller
and  Principal  Financial Officer of the Company, certify, pursuant to 18 U.S.C,
ss.  1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,

1)   the  Report complies with the requirements of section 13(a) or 15(d) of the
     Securities  Exchange  Act  of  1934;  and

2)   the  information  in  the Report fairly presents, in all material respects,
     the  financial  condition  and  result  of  operations  of  the  Company.

By  /s/  Antonio Estrada
Antonio Estrada
Corporate Controller
and Principal Financial Officer
March 1, 2004