<PAGE>
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                   ----------

                                   FORM 10-K/A
                                (AMENDMENT NO. 2)

          [X]    ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
                 OF THE SECURITIES EXCHANGE ACT OF 1934

                 FOR THE FISCAL YEAR ENDED FEBRUARY 28, 2002

                                      OR

          [ ]    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                 OF THE SECURITIES EXCHANGE ACT OF 1934

                 FOR THE TRANSITION PERIOD FROM              TO

                                   ----------

                        COMMISSION FILE NUMBER : 1-15045

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

<Table>
<Caption>
<S>                                                       <C>
                                                                75-1927578
                  TEXAS                                      (I.R.S. Employer
        (State of Incorporation)                          Identification Number)

         17811 WATERVIEW PARKWAY
              DALLAS, TEXAS                                       75252
(Address of principal executive offices)                        (Zip Code)
</Table>

       REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (972) 454-8000

        SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT: NONE

           SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT:

                               TITLE OF EACH CLASS
                           COMMON STOCK, NO PAR VALUE
                         PREFERRED SHARE PURCHASE RIGHTS

     Indicate by check mark whether the registrant: (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the past 90 days. Yes [X] No [ ]

     Indicate by check mark if disclosure of delinquent filers pursuant to Item
405 of Regulation S-K is not contained herein, and will not be contained, to the
best of the registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K. [X]

     Aggregate Market Value of Common Stock held by Nonaffiliates as of May 24,
2002: $122,569,978

     Number of Shares of Common Stock Outstanding as of May 24, 2002:
34,047,216.

================================================================================
<PAGE>



      THE ANNUAL REPORT ON FORM 10-K OF INTERVOICE, INC. (THE "COMPANY") FOR THE
FISCAL YEAR ENDED FEBRUARY 28, 2002 IS HEREBY AMENDED IN ORDER TO RE-FILE THE
COVER PAGE, PAGE 1, OF THE COMPANY'S AMENDED AND RESTATED ANNUAL REPORT ON FORM
10-K, FILED ON JUNE 28, 2002, THE TOP PORTION OF WHICH PAGE AS INITIALLY FILED
DOES NOT APPEAR ON THE EDGAR SYSTEM DUE TO AN ERROR DURING THE EDGAR
TRANSMISSION OF SUCH FILING. THE COMPANY'S AMENDED AND RESTATED ANNUAL REPORT ON
FORM 10-K, FILED ON JUNE 28, 2002, IS ALSO AMENDED TO FILE EXHIBITS 99.3 AND
99.4, A REVISED EXHIBIT LIST AND THE ADDITIONAL CERTIFICATIONS REQUIRED BY THE
SARBANES-OXLEY ACT OF 2002 IN CONNECTION WITH THIS AMENDMENT. THE REMAINDER OF
THE INFORMATION CONTAINED IN THE COMPANY'S AMENDED AND RESTATED ANNUAL REPORT ON
FORM 10-K, FILED ON JUNE 28, 2002, IS NOT AMENDED HEREBY, AND THE COMPANY HAS
NOT UNDERTAKEN AND DOES NOT UNDERTAKE TO UPDATE SUCH INFORMATION BY MEANS OF
THIS AMENDED ANNUAL REPORT ON FORM 10-K.

                                   SIGNATURES

      Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Company has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.

                                        INTERVOICE, INC.



                                        By:     /s/ DAVID W. BRANDENBURG
                                           -------------------------------------
                                                   David W. Brandenburg
                                           Chief Executive Officer and Chairman

Dated: March 18, 2003


<PAGE>



                                 CERTIFICATIONS

I, David W. Brandenburg, certify that:

1. I have reviewed this annual report on Form 10-K of Intervoice, Inc.;

2. Based on my knowledge, this annual report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this annual
report; and

3. Based on my knowledge, the financial statements, and other financial
information included in this annual report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this annual report.

Date: March 18, 2003

                                        /s/ David W. Brandenburg
                                        -------------------------------------
                                        David W. Brandenburg
                                        Chief Executive Officer and Chairman



<PAGE>
                                 CERTIFICATIONS

I, Rob-Roy J. Graham, certify that:

1. I have reviewed this annual report on Form 10-K of Intervoice, Inc.;

2. Based on my knowledge, this annual report does not contain any untrue
statement of a material fact or omit to state a material fact necessary to make
the statements made, in light of the circumstances under which such statements
were made, not misleading with respect to the period covered by this annual
report; and

3. Based on my knowledge, the financial statements, and other financial
information included in this annual report, fairly present in all material
respects the financial condition, results of operations and cash flows of the
registrant as of, and for, the periods presented in this annual report;

Date: March 18, 2003

                                        /s/ Rob-Roy J. Graham
                                        -------------------------------------
                                        Executive Vice President and
                                        Chief Financial Officer


<PAGE>
                                INDEX TO EXHIBITS

<Table>
<Caption>
Exhibit
Number                           Description
-------                          -----------
<S>               <C>
  3.1             Articles of Incorporation, as amended, of Registrant. (2)

  3.2             Amendment to Articles of Incorporation of Registrant. (9)

  3.3             Second Restated Bylaws of Registrant, as amended. (1)

  4.1             Third Amended and Restated Rights Agreement dated as of May 1,
                  2001 between the Registrant and Computershare Investor
                  Services, LLC, as Rights Agent. (4)

  4.2             Securities Purchase Agreement, dated as of May 29, 2002,
                  between the Registrant and the Buyers named therein (the
                  "Securities Purchase Agreement"). (17)

  4.3             Form of Convertible Note, dated as of May 29, 2002, between
                  the Registrant and each of the Buyers under the Securities
                  Purchase Agreement. (17)

  4.4             Form of Warrant, dated as of May 29, 2002, between the
                  Registrant and each of the Buyers under the Securities
                  Purchase Agreement. (17)

  4.5             Registration Rights Agreement, dated as of May 29, 2002,
                  between the Registrant and each of the Buyers under the
                  Securities Purchase Agreement. (17)

  4.6             First Amendment to Third Amended and Restated Rights Agreement
                  dated as of May 29, 2002, between the Registrant and
                  Computershare Investor Services, LLC. (17)

 10.1             The InterVoice, Inc. 1990 Incentive Stock Option Plan, as
                  amended. (8)

 10.2             The InterVoice, Inc. 1990 Nonqualified Stock Option Plan for
                  Non-Employees, as amended. (3)

 10.3             The InterVoice, Inc. Employee Stock Purchase Plan. (6)

 10.4             InterVoice, Inc. Employee Savings Plan. (5)

 10.5             InterVoice, Inc. Restricted Stock Plan. (7)

 10.6             Employment Agreement dated as of September 16, 1998 between
                  the Company and Rob-Roy J. Graham. (8)

 10.7             InterVoice, Inc. 1998 Stock Option Plan. (8)

 10.8             Acquisition Agreement and Plan of Merger dated as of April 27,
                  1999, by and among the Company, InterVoice Acquisition
                  Subsidiary III, Inc. ("Acquisition Subsidiary") and Brite
                  Voice Systems, Inc. (11)

 10.9             Patent License Agreement between Lucent Technologies GRL Corp.
                  and InterVoice Limited Partnership, effective as of October 1,
                  1999. Portions of this exhibit have been excluded pursuant to
                  a request for confidential treatment. (9)

 10.10            InterVoice-Brite, Inc. 1999 Stock Option Plan. (12)

 10.11            Credit Agreement dated June 1, 1999 among InterVoice, Inc.,
                  InterVoice Acquisition Subsidiary III, Inc. and Bank of
                  America National Trust and Savings Association, as "Agent",
                  Banc of America Securities LLC and certain other financial
                  institutions party to the Credit Agreement (collectively,
                  "Lenders") incorporated by reference to Exhibit 99.(b)(1) of
                  the Schedule 14D-1 (Amendment No. 4) filed by InterVoice, Inc.
                  and InterVoice Acquisition Subsidiary III, Inc. on June 14,
                  1999. (11)

 10.12            Forebearance Agreement dated as of March 7, 2002, by and among
                  the Company, Brite Voice Systems, Inc., Bank of America,
                  National Association, as agent, and the Lenders party thereto.
                  (15)

 10.13            Consent and Amendment to Forebearance Agreement, dated as of
                  March 31, 2002, by and among the Company, Brite Voice Systems,
                  Inc., Bank of America, National Association, as agent, and the
                  Lenders party thereto. (16)

 10.14            Form of Commitment Letter dated May 29, 2002. (17)

 10.15            Consent, Waiver and Third Amendment to Credit Agreement,
                  effective as of May 29, 2002 among the Registrant, Brite Voice
                  Systems, Inc. (successor by merger to InterVoice Acquisition
                  Subsidiary III, Inc.), Bank of America, National Association
                  (successor by merger to Bank of America National Trust and
                  Savings Association), as Agent, and the other Lenders named
                  therein. (17)
</Table>
<PAGE>


<Table>
<Caption>
Exhibit
Number                           Description
-------                          -----------
<S>               <C>
 10.16            Subordination and Intercreditor Agreement effective as of May
                  29, 2002 by and among the Registrant, the Buyers under the
                  Securities Purchase Agreement, and Bank of America, National
                  Association, as Agent for the Senior Creditors (defined
                  therein). (17)

 10.17            Promissory Note, dated May 29, 2002, executed by the
                  Registrant in favor of Beal Bank, S.S.B. (17)

 10.18            Deed of Trust, Security Agreement, and Assignment of Leases
                  and Rents dated May 29, 2002, executed by the Registrant for
                  the benefit of Beal Bank, S.S.B. (17)

 10.19            First Amendment to Employment Agreement effective as of July
                  1, 2000, between the Company and Rob-Roy J. Graham. (10)

 10.20            First Amendment to Credit Agreement effective as of January
                  15, 2001, between the Company, Agent and the Lenders. (13)

 10.21            Consent and Second Amendment to Credit Agreement effective as
                  of February 28, 2001, between the Company, Agent and the
                  Lenders. (13)

 10.22            Second Amendment to Employment Agreement dated as of October
                  31, 2001, between the Company and Rob-Roy J. Graham. (14)

 10.23            Second Amended Employment Agreement dated as of February 18,
                  2002, between the Company and David W. Brandenburg. (18)

   21             Subsidiaries. (18)

   23             Consent of Independent Auditors. (20)

  99.1            Pages 12, 13, 18, 38-40, 43 and 45 of the Registration
                  Statement on Form S-4, as amended (incorporated by reference
                  to page 12, 13, 18, 38-40, 43 and 45 of the Registration
                  Statement on Form S-4/A (Amendment No. One) filed by the
                  Company on July 13, 1999). (9)

  99.2            Letter Agreement dated April 2, 2002 between the
                  Company and a prospective purchaser of the Company's
                  facilities in Wichita, Kansas. Portions of this
                  exhibit have been excluded pursuant to a request for
                  confidentiality treatment. (16)

  99.3            Certification pursuant to 18 U.S.C. Section 1350, signed by
                  David W. Brandenburg. (21)

  99.4            Certification pursuant to 18 U.S.C. Section 1350, signed by
                  Rob-Roy J. Graham. (21)
</Table>

----------

(1)  Incorporated by reference to exhibits to the Company's 1991 Annual Report
     on Form 10-K for the fiscal year ended February 28, 1991, filed with the
     Securities and Exchange Commission ("SEC") on May 29, 1991, as amended by
     Amendment No. 1 on Form 8 to Annual Report on Form 10-K, filed with the SEC
     on August 1, 1991.

(2)  Incorporated by reference to exhibits to the Company's 1995 Annual Report
     on Form 10-K for the fiscal year ended February 28, 1995, filed with the
     SEC on May 30, 1995.

(3)  Incorporated by reference to exhibits to the Company's Registration
     Statement on Form S-8 filed on April 6, 1994, with respect to the Company's
     1990 Nonqualified Stock Option Plan for Non-Employees, Registration Number
     33-77590.

(4)  Incorporated by reference to exhibits to Form 8-A/A (Amendment No. 3) filed
     with the SEC on May 9, 2001.

(5)  Incorporated by reference to exhibits to the Company's 1994 Annual Report
     on Form 10-K for the fiscal year ended February 28, 1994, filed with the
     SEC on May 31, 1994.

(6)  Incorporated by reference to exhibits to Registration Statement on Form S-8
     filed with the SEC on November 30, 1998, Registration Number 333-68103.

(7)  Incorporated by reference to exhibits to the Company's 1996 Annual Report
     on Form 10-K for the fiscal year ended February 29, 1996, filed with the
     SEC on May 29, 1996.

<PAGE>

(8)  Incorporated by reference to exhibits to the Company's Quarterly Report on
     Form 10-Q for the quarter ended August 31, 1998, filed with the SEC on
     October 14, 1998.

(9)  Incorporated by reference to the Company's Quarterly Report on Form 10-Q
     for the fiscal quarter ended August 31, 1999, filed October 14, 1999.

(10) Incorporated by reference to the Company's Quarterly Report on Form 10-Q
     for the fiscal quarter ended August 31, 2000, filed October 14, 2000.

(11) Incorporated by reference to Registration Statement on Form S-4 filed with
     the SEC on July 13, 1999, Registration Number 333-79839.

(12) Incorporated by reference to Registration Statement on Form S-8 filed with
     the SEC on October 15, 1999, Registration Number 333-89127.

(13) Incorporated by reference to exhibits to the Company's 2001 Annual Report
     on Form 10-K for the fiscal year ended February 28, 2001, filed with the
     SEC on May 18, 2001.

(14) Incorporated by reference to exhibits to the Company's Quarterly Report on
     Form 10-Q for the quarter ended November 30, 2001, filed January 11, 2002.

(15) Incorporated by reference to exhibits to the Company's Current Report on
     Form 8-K, filed with the SEC on March 13, 2002.

(16) Incorporated by reference to exhibits to the Company's Current Report on
     Form 8-K, filed with the SEC on April 18, 2002.

(17) Incorporated by reference to exhibits to the Company's Current Report on
     Form 8-K, filed with the SEC on May 30, 2002.

(18) Incorporated by reference to exhibits to the Company's 2002 Annual Report
     on Form 10-K for the fiscal year ended February 28, 2002, filed with the
     SEC on May 30, 2002.

(19) Incorporated by reference to exhibits to the Company's amended and restated
     2002 Annual Report on Form 10-K/A (Amendment No. 1) for the fiscal year
     ended February 28, 2002, filed with the SEC on June 28, 2002.

(20) Previously filed.

(21) Filed herewith.