Record Revenues Result in 99% Increase

Earnings per Share Trend Continues in 3rd Quarter


SAN ANTONIO, TX--(Marketwire - June 15, 2007) - ATSI Communications, Inc. (OTCBB: ATSX) announced today the Company's revenues for its 3rd fiscal quarter ended April 30, 2007 reached $8,140,000, a 99% increase over revenues of $4,091,000 for the previous year's fiscal quarter ended April 30, 2006. ATSI also reported the Company achieved its 11th consecutive quarter of record revenue, 4th consecutive quarter of positive cash flow from operations, and 2nd consecutive quarter of net earnings per share. Net income for the three months ended April 30, 2007 was $379,000 or $0.01 basic earnings per share vs. a net loss of $62,000 or ($0.00) basic loss per share for the three months ended April 30. 2006.

In addition to the continued revenue growth and positive earnings trend, recent achievements and highlights for the quarter include:

--  The Company completed the conversion and redemption of its Series H
    Preferred Stock that eliminated $1.3 million in liabilities
--  ATSI successfully deployed the NexTone IntelliConnect™ System to
    further enhance the Company's VoIP network
--  The Company processed 112 million VoIP minutes of use ("MOU") during
    the quarter through its NexTone powered VoIP network
--  157% improvement in gross profit for the three months ended April 30,
    2007 vs. the three months ended April 30, 2006.
    
"We are extremely pleased with our 3rd quarter performance and the consistency we have established in meeting key financial and strategic goals," stated ATSI President and CEO, Arthur L. Smith. "Our 3rd quarter growth demonstrates we are successfully executing our business plan, a trend we are continuing to experience well into the 4th quarter. We look forward to reporting a record fiscal year during which we have met and delivered on all of the fundamentals critical to the successful execution of our long term strategic plan."

Adjusted for non-cash items, net income for the three months ended April 30, 2007 was $198,000 vs. a net loss before non-cash items of $64,000 for the three months ended April 30, 2006. Non-cash items include long-term incentive compensation for employees and directors that reflects the Company's adoption of SFAS 123R accounting for the amortization expense of stock option grants. Additional non-cash items reported during the quarter include interest, depreciation, amortization, and preferred dividend expense/income.

Net income before non-cash items is not a term defined by generally accepted accounting principles (GAAP) and may not be comparable to other similarly titled measurements used by other companies. Such non-GAAP measures should be considered in addition to, and not as a substitute for, performance measures calculated in accordance with GAAP. The accompanying table includes a detailed reconciliation of net loss reported in accordance with GAAP to net income before non-cash items.

ATSI Communications, Inc. operates through its two wholly owned subsidiaries, Digerati Networks, Inc. and Telefamilia Communications, Inc. Digerati Networks, Inc. is a premier global VoIP carrier serving rapidly expanding markets in Asia, Europe, the Middle East, and Latin America, with an emphasis on Mexico. Through Digerati's partnerships with established foreign carriers and network operators, interconnection and service agreements, and a NexTone powered VoIP network, ATSI believes it has clear advantages over its competition. Telefamilia Communications provides specialized retail communication services that include VoIP services to the high-growth Hispanic market in the United States. ATSI also owns a minority interest of a subsidiary in Mexico, ATSI Comunicaciones, S.A. de C.V., which operates under a 30-year government issued telecommunications license.

Except for the historical information contained herein, the matters discussed in this release include certain forward-looking statements, which are intended to be covered by the safe harbor provided by Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. We have identified forward-looking statements by using words such as "expect," "believe," "should," "may," "intend," and "anticipate" or words of similar import. Those statements include, but may not be limited to, all statements regarding our management's intent, belief and expectations, such as statements concerning our future and our operating and growth strategy. Although we believe our expectations are reasonable, our operations involve a number of risks and uncertainties, and these statements may turn out not to be true. These risks and uncertainties include the assumption that we will continue as a going business; our inability to predict or anticipate changes in regulations or the actions of domestic and foreign governments; and the continued availability of funds in amounts and on acceptable terms. More detailed information about ATSI Communications, Inc. is available in the Company's public filings with the Securities and Exchange Commission. We believe that the assumptions underlying the forward-looking statements included in this release will prove to be accurate. In light of the significant uncertainties inherent in the forward-looking statements included herein, the inclusion of such information should not be regarded as a representation by us or any other person that our objectives and plans will be achieved. All forward-looking statements made in this release are based on information presently available to our management. We assume no obligation to update any forward-looking statements, except as required by law.

               ATSI COMMUNICATIONS, INC. AND SUBSIDIARIES
                CONSOLIDATED STATEMENTS OF OPERATIONS
            (In thousands, except share and per share amounts)
                                (Unaudited)

                                              Three months ended April 30,
                                                  2007           2006
                                              -------------  -------------
OPERATING REVENUES:
   Carrier services                           $       8,109  $       4,047
   Communication services                                27             39
   Network services                                       4              5
                                              -------------  -------------
     Total operating revenues                         8,140          4,091
                                              -------------  -------------

OPERATING EXPENSES:
   Cost of services (exclusive of
    depreciation and amortization, shown
    below)                                            7,647          3,899
   Selling, general and administrative
    expense (exclusive of legal and
    professional fees)                                  317            209
   Legal and professional fees                           84             72
   Bad debt expense                                      29              -
   Depreciation and amortization expense                 24             23
                                              -------------  -------------
     Total operating expenses                         8,101          4,203
                                              -------------  -------------

OPERATING INCOME (LOSS)                                  39           (112)
                                              -------------  -------------

OTHER INCOME (EXPENSE):
   Loss on derivative instrument liabilities              -             88
   Debt forgiveness income                                -             11
   Other income                                           4              -
   Interest expense                                    (257)           (26)
                                              -------------  -------------
     Total other income (expense), net                 (253)            73
                                              -------------  -------------

INCOME (LOSS) FROM CONTINUING OPERATIONS               (214)           (39)
                                              -------------  -------------

DISCONTINUED OPERATIONS
   Gain on disposal of discontinued operations            -              -
                                              -------------  -------------
INCOME FROM DISCONTINUED OPERATIONS                       -              -
                                              -------------  -------------

NET INCOME (LOSS)                             $        (214) $         (39)
LESS: PREFERRED DIVIDEND                                 (7)           (23)
ADD: REVERSAL OF PREVIOUSLY RECORDED
 PREFERRED DIVIDEND                                     600              -
                                              -------------  -------------

NET INCOME (LOSS) TO COMMON STOCKHOLDERS      $         379  $         (62)
                                              =============  =============

BASIC INCOME (LOSS) PER SHARE:
  From continuing operations                  $        0.01  $        0.00
  From discontinued operations                $           -  $           -
                                              -------------  -------------
  Total                                       $        0.01  $        0.00
                                              =============  =============

DILUTED INCOME (LOSS) PER SHARE
  From continuing operations                  $        0.01  $        0.00
  From discontinued operations                $           -  $           -
                                              -------------  -------------
  Total                                       $        0.01  $        0.00
                                              =============  =============

WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
BASIC                                            37,005,780     14,819,277
DILUTED                                          39,842,780     14,819,277

                                              -------------  -------------
NET INCOME (LOSS) TO COMMON STOCKHOLDERS:     $         379  $         (62)
                                             -------------  -------------
EXCLUDING NON-CASH ITEMS:
ADD:
   Non-cash issuance of common stock and
    warrants for services                                83             25
   Non-cash stock-based compensation,
    employees                                            52              -
   Depreciation and amortization                         24             23
   Interest expense                                     257             26
MINUS:
   Debt forgiveness income                                -             11
   Loss on derivative instrument
    liabilities                                           -             88
   Other income                                           4              -
   Gain on disposal of discontinued operations            -              -
   Preferred dividend                                   593            (23)

NET INCOME (LOSS) TO COMMON STOCKHOLDERS:
                                              -------------  -------------
EXCLUDING NON-CASH ITEMS:                     $         198  $         (64)
                                              -------------  -------------

Contact Information: Contact: Jack Eversull The Eversull Group 972-991-1672 972-991-7359 (fax) E-mail: Web Site: www.atsi.net