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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

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                                    FORM 8-K

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                                 Current Report
                       Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported): April 27, 2005

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                          ALTIGEN COMMUNICATIONS, INC.
             (Exact name of registrant as specified in its charter)

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              Delaware                 000-27427            94-3204299
    (State or other jurisdiction      (Commission         (IRS Employer
         of incorporation)            File Number)      Identification No.)

                     4555 Cushing Parkway, Fremont, CA 94538
               (Address of principal executive offices) (Zip Code)

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       Registrant's telephone number, including area code: (510) 252-9712

                                 Not applicable
          (Former name or former address, if changed since last report)

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Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities
    Act (17 CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange 
    Act (17 CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
    Exchange Act (17 CFR 240.14d-2(b))

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act (17 CFR 240.13e-4(c))

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Item 2.02.  Results of Operations and Financial Condition.

        On April 27, 2005, we issued a press release announcing our financial
results for the second-quarter of 2005. A copy of the press release is attached
as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated in this
Item 2.02 by reference.

        In accordance with General Instruction B.2 of Form 8-K, the information
provided pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed
to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934,
as amended, or otherwise subject to the liabilities of that section. The
information in this Current Report shall not be incorporated by reference into
any filing or other document pursuant to the Securities Act of 1933, as amended,
except as shall be expressly set forth by specific reference in such filing or
document.

Item 9.01.  Financial Statements and Exhibits.

        (c)  Exhibits.

             Exhibit
               No.      Description
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             99.1       Press release dated April 27, 2005 (furnished pursuant
                        to Item 2.02).

                                       -2-


                                   SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                                    AltiGen Communications, Inc.

Dated: April 27, 2005                               By: /s/ Philip M. McDermott
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                                                        Philip M. McDermott
                                                        Chief Financial Officer

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                                Index to Exhibits

Exhibit
  No.      Description
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99.1       Press release dated April 27, 2005 (furnished pursuant to Item 2.02).