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 (the "Report") of ATSI Communications, Inc. (the "Company") on Form 10-Q for the period ending January 31, 2011, as filed with the Securities and Exchange Commission on the date hereof, I, Antonio Estrada Jr., Sr. Vice President of Finance & 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 fully 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 Jr. | |
| | Antonio Estrada Jr. | |
| | Sr. Vice President of Finance & Corporate Controller and |
| | Principal Financial Officer | |
| | March 17, 2011 | |
