content: <PAGE>   1
         As Filed with the Securities and Exchange Commission on November 30, 1998
                                             Registration Statement No. 333-______
  ================================================================================
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549
  
                              ------------------------
  
                                      FORM S-8
                               REGISTRATION STATEMENT
                                        UNDER
                             THE SECURITIES ACT OF 1933
  
                              ------------------------
  
                                  INTERVOICE, INC.
               (Exact name of registrant as specified in its charter)
  
                TEXAS                                       75-1927578
    (State or other jurisdiction              (I.R.S. Employer Identification No.)
  of incorporation or organization)
  
          17811 WATERVIEW PARKWAY                              75252
             DALLAS, TEXAS                                   (Zip Code)
  (Address of Principal Executive Offices)
  
                              ------------------------
  
                    INTERVOICE, INC. EMPLOYEE STOCK PURCHASE PLAN
                              (Full title of the Plan)
  
                              ------------------------
  
               ROB-ROY J. GRAHAM                                Copy to:
            CHIEF FINANCIAL OFFICER                         DAVID E. MORRISON
                  AND SECRETARY                             THOMPSON & KNIGHT
                INTERVOICE, INC.                       A PROFESSIONAL CORPORATION
           17811 WATERVIEW PARKWAY                         1700 PACIFIC AVENUE
             DALLAS, TEXAS 75252                                SUITE 3300
  (Name and address of agent for service)                   DALLAS, TEXAS 75201
                                                               (214) 969-1700
  
                                   (972) 454-8712
                            (Telephone number, including
                          area code, of agent for service)
  
                           CALCULATION OF REGISTRATION FEE
  <TABLE>
  <CAPTION>
  ==================================================================================================================
  
          Title of                                      Proposed           Proposed Maximum            Amount
         Securities                Amount                Maximum               Aggregate                 of
           to be                   to be             Offering Price            Offering             Registration
       Registered(1)            Registered(2)          per Unit(3)             Price(3)                 Fee
  -------------------------------------------------------------------------------------------------------------------
  <S>                          <C>                   <C>                   <C>                      <C>
       Common Stock,
        no par value           300,000 shares           $ 25.125            $ 7,537,500.00           $ 2,095.43
         per share
  ==================================================================================================================
  </TABLE>
  
  (1)  This registration statement also covers an equal number of Preferred Share
       Purchase Rights issuable pursuant to InterVoice, Inc.'s Rights Agreement,
       which rights will be transferable only with related shares of Common Stock.
  
  (2)  Pursuant to Rule 416, shares issuable upon any stock split, stock dividend
       or similar transaction with respect to these shares are also being
       registered hereunder.
  
  (3)  Estimated solely for the purposes of determining the registration fee
       pursuant to Rule 457(h) on the basis of the average of the high and low
       prices for the Common Stock ($25.125) as reported on the Nasdaq National
       Market on November 25, 1998.
  ================================================================================
  
  
  <PAGE>   2
  
  
  
  
  
  
  Documents Incorporated by Reference.
  
           The contents of the Registration Statement (the "Prior Registration
  Statement") of InterVoice, Inc. (the "Registrant") on Form S-8, Registration No.
  33-72494, filed with the Securities and Exchange Commission on December 1, 1993,
  including the documents incorporated by reference therein, are incorporated by
  reference into this Registration Statement.
  
  Amendments to the Plan.
  
           On May 22, 1998, the Board of Directors of the Registrant adopted
  amendments to the Registrant's Employee Stock Purchase Plan (the "Plan") that
  increased from 200,000 to 500,000 the aggregate number of shares of the
  Registrant's common stock, no par value per share ("Common Stock"), reserved for
  issuance under the Plan. The amendment was approved by the shareholders of the
  Registrant on July 23, 1998.
  
  Exhibits.
  
           In addition to the exhibits filed or incorporated by reference into the
  Prior Registration Statement, the following documents are filed as exhibits to
  this Registration Statement.
  
           4.1      InterVoice, Inc. Employee Stock Purchase Plan, as amended.
  
           5.1      Opinion of Thompson & Knight, a Professional Corporation,
                    regarding 300,000 shares of Common Stock.
  
          24.1      Consent of Ernst & Young, L.L.P., independent public
                    accountants, to incorporation of report by reference.
  
          24.2      Consent of counsel (included in the opinion of Thompson &
                    Knight, a Professional Corporation, filed herewith as Exhibit
                    5.1).
  
  
  
  
  
  
  
  <PAGE>   3
  
  
  
  
  
                                     SIGNATURES
  
       Pursuant to the requirements of the Securities Act of 1933, the Registrant
       certifies that it has reasonable grounds to believe that it meets all of
       the requirements for filing on Form S-8 and has duly caused this
       Registration Statement to be signed on its behalf by the undersigned,
       thereunto duly authorized, in the City of Dallas and State of Texas on the
       30th day of November, 1998.
  
                                          INTERVOICE, INC.
                                          (Registrant)
  
  
                                          By:   /s/ Daniel D. Hammond
                                             -------------------------------------
                                                Daniel D. Hammond,
                                                Chairman of the Board of Directors
                                                and Chief Executive Officer
  
       Pursuant to the requirements of the Securities Act of 1933, this
       Registration Statement has been signed by the following persons in the
       capacities and on the date indicated. The undersigned persons hereby
       constitute and appoint Daniel D. Hammond and Rob-Roy J. Graham, or either
       of them, as our true and lawful attorneys-in-fact with full power to
       execute in our name and on our behalf in the capacities indicated below any
       and all amendments to this Registration Statement to be filed with the
       Securities and Exchange Commission and hereby ratify and confirm all that
       such attorneys-in-fact shall lawfully do or cause to be done by virtue
       hereof.
  
  
  <TABLE>
  <CAPTION>
  
  Signature                                   Title                                            Date
  ---------                                   -----                                            ----
  <S>                                         <C>                                              <C>
  /s/ Daniel D. Hammond                       Chairman of the Board of Directors               November 30, 1998
  ----------------------------------          and Chief Executive Officer
  Daniel D. Hammond                           
  
  
  /s/ Rob-Roy J. Graham                       Chief Financial Officer and Secretary            November 30, 1998
  ----------------------------------          (Principal Financial Officer and
  Rob-Roy J. Graham                           Principal Accounting Officer)
                            
  
  
  /s/ Joseph J. Pietropaolo                   Director                                         November 30, 1998
  ----------------------------------
  Joseph J. Pietropaolo
  
  
  /s/ George C. Platt                         Director                                         November 30, 1998
  ----------------------------------
  George C. Platt
  
  
  /s/ Grant A. Dove                           Director                                         November 30, 1998
  ----------------------------------
  Grant A. Dove
  
  
  /s/ David W. Brandenburg                    Director                                         November 30, 1998
  ----------------------------------
  David W. Brandenburg
  </TABLE>
  
  
  
  <PAGE>   4
  
  
  
  
  
                                  INDEX TO EXHIBITS
  
  <TABLE>
  <CAPTION>
  
  
                                                                                       Sequentially
                                                                                         Numbered
  Exhibit Number                        Exhibit                                            Page
  --------------                        -------                                        -------------
  <S>               <C>                                                                <C>
       4.1          InterVoice, Inc. Employee Stock Purchase Plan, as amended.                 5
  
       5.1          Opinion of Thompson & Knight, a Professional Corporation,
                    regarding 300,000 shares of Common Stock.                                 10
  
      24.1          Consent of Ernst & Young, independent public accountants, to
                    incorporation of report by reference.                                     11
  
      24.2          Consent of counsel (included in the opinion of Thompson &
                    Knight, a Professional Corporation, filed herewith as Exhibit
                    5.1).                                                                     10 
  </TABLE>
metadata_documents: [{"type": "S-8", "sequence": "1", "description": "FORM S-8", "secsgml_size_bytes": 10067}]
metadata_filer: {"company-data": {"conformed-name": "INTERVOICE INC", "cik": "0000764244", "assigned-sic": "3661", "irs-number": "751927578", "state-of-incorporation": "TX", "fiscal-year-end": "0228"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-68103", "film-number": "98761567"}, "business-address": {"street1": "17811 WATERVIEW PKWY", "city": "DALLAS", "state": "TX", "zip": "75255", "phone": "2146693988"}}
text: 1
         As Filed with the Securities and Exchange Commission on November 30, 1998
                                             Registration Statement No. 333-______
  ================================================================================
  
                         SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C. 20549
  
                              ------------------------
  
                                      FORM S-8
                               REGISTRATION STATEMENT
                                        UNDER
                             THE SECURITIES ACT OF 1933
  
                              ------------------------
  
                                  INTERVOICE, INC.
               (Exact name of registrant as specified in its charter)
  
                TEXAS                                       75-1927578
    (State or other jurisdiction              (I.R.S. Employer Identification No.)
  of incorporation or organization)
  
          17811 WATERVIEW PARKWAY                              75252
             DALLAS, TEXAS                                   (Zip Code)
  (Address of Principal Executive Offices)
  
                              ------------------------
  
                    INTERVOICE, INC. EMPLOYEE STOCK PURCHASE PLAN
                              (Full title of the Plan)
  
                              ------------------------
  
               ROB-ROY J. GRAHAM                                Copy to:
            CHIEF FINANCIAL OFFICER                         DAVID E. MORRISON
                  AND SECRETARY                             THOMPSON & KNIGHT
                INTERVOICE, INC.                       A PROFESSIONAL CORPORATION
           17811 WATERVIEW PARKWAY                         1700 PACIFIC AVENUE
             DALLAS, TEXAS 75252                                SUITE 3300
  (Name and address of agent for service)                   DALLAS, TEXAS 75201
                                                               (214) 969-1700
  
                                   (972) 454-8712
                            (Telephone number, including
                          area code, of agent for service)
  
                           CALCULATION OF REGISTRATION FEE
  ==================================================================================================================
  
          Title of                                      Proposed           Proposed Maximum            Amount
         Securities                Amount                Maximum               Aggregate                 of
           to be                   to be             Offering Price            Offering             Registration
       Registered(1)            Registered(2)          per Unit(3)             Price(3)                 Fee
  -------------------------------------------------------------------------------------------------------------------
  Common Stock,
        no par value           300,000 shares           $ 25.125            $ 7,537,500.00           $ 2,095.43
         per share
  ==================================================================================================================
  (1)  This registration statement also covers an equal number of Preferred Share
       Purchase Rights issuable pursuant to InterVoice, Inc.'s Rights Agreement,
       which rights will be transferable only with related shares of Common Stock.
  
  (2)  Pursuant to Rule 416, shares issuable upon any stock split, stock dividend
       or similar transaction with respect to these shares are also being
       registered hereunder.
  
  (3)  Estimated solely for the purposes of determining the registration fee
       pursuant to Rule 457(h) on the basis of the average of the high and low
       prices for the Common Stock ($25.125) as reported on the Nasdaq National
       Market on November 25, 1998.
  ================================================================================
  2
  
  Documents Incorporated by Reference.
  
           The contents of the Registration Statement (the "Prior Registration
  Statement") of InterVoice, Inc. (the "Registrant") on Form S-8, Registration No.
  33-72494, filed with the Securities and Exchange Commission on December 1, 1993,
  including the documents incorporated by reference therein, are incorporated by
  reference into this Registration Statement.
  
  Amendments to the Plan.
  
           On May 22, 1998, the Board of Directors of the Registrant adopted
  amendments to the Registrant's Employee Stock Purchase Plan (the "Plan") that
  increased from 200,000 to 500,000 the aggregate number of shares of the
  Registrant's common stock, no par value per share ("Common Stock"), reserved for
  issuance under the Plan. The amendment was approved by the shareholders of the
  Registrant on July 23, 1998.
  
  Exhibits.
  
           In addition to the exhibits filed or incorporated by reference into the
  Prior Registration Statement, the following documents are filed as exhibits to
  this Registration Statement.
  
           4.1      InterVoice, Inc. Employee Stock Purchase Plan, as amended.
  
           5.1      Opinion of Thompson & Knight, a Professional Corporation,
                    regarding 300,000 shares of Common Stock.
  
          24.1      Consent of Ernst & Young, L.L.P., independent public
                    accountants, to incorporation of report by reference.
  
          24.2      Consent of counsel (included in the opinion of Thompson &
                    Knight, a Professional Corporation, filed herewith as Exhibit
                    5.1).
  3
  
                                     SIGNATURES
  
       Pursuant to the requirements of the Securities Act of 1933, the Registrant
       certifies that it has reasonable grounds to believe that it meets all of
       the requirements for filing on Form S-8 and has duly caused this
       Registration Statement to be signed on its behalf by the undersigned,
       thereunto duly authorized, in the City of Dallas and State of Texas on the
       30th day of November, 1998.
  
                                          INTERVOICE, INC.
                                          (Registrant)
  
                                          By:   /s/ Daniel D. Hammond
                                             -------------------------------------
                                                Daniel D. Hammond,
                                                Chairman of the Board of Directors
                                                and Chief Executive Officer
  
       Pursuant to the requirements of the Securities Act of 1933, this
       Registration Statement has been signed by the following persons in the
       capacities and on the date indicated. The undersigned persons hereby
       constitute and appoint Daniel D. Hammond and Rob-Roy J. Graham, or either
       of them, as our true and lawful attorneys-in-fact with full power to
       execute in our name and on our behalf in the capacities indicated below any
       and all amendments to this Registration Statement to be filed with the
       Securities and Exchange Commission and hereby ratify and confirm all that
       such attorneys-in-fact shall lawfully do or cause to be done by virtue
       hereof.
  Signature                                   Title                                            Date
  ---------                                   -----                                            ----
  /s/ Daniel D. Hammond                       Chairman of the Board of Directors               November 30, 1998
  ----------------------------------          and Chief Executive Officer
  Daniel D. Hammond                           
  
  /s/ Rob-Roy J. Graham                       Chief Financial Officer and Secretary            November 30, 1998
  ----------------------------------          (Principal Financial Officer and
  Rob-Roy J. Graham                           Principal Accounting Officer)
                            
  
  /s/ Joseph J. Pietropaolo                   Director                                         November 30, 1998
  ----------------------------------
  Joseph J. Pietropaolo
  
  /s/ George C. Platt                         Director                                         November 30, 1998
  ----------------------------------
  George C. Platt
  
  /s/ Grant A. Dove                           Director                                         November 30, 1998
  ----------------------------------
  Grant A. Dove
  
  /s/ David W. Brandenburg                    Director                                         November 30, 1998
  ----------------------------------
  David W. Brandenburg
  4
  
                                  INDEX TO EXHIBITS
  Sequentially
                                                                                         Numbered
  Exhibit Number                        Exhibit                                            Page
  --------------                        -------                                        -------------
  4.1          InterVoice, Inc. Employee Stock Purchase Plan, as amended.                 5
  
       5.1          Opinion of Thompson & Knight, a Professional Corporation,
                    regarding 300,000 shares of Common Stock.                                 10
  
      24.1          Consent of Ernst & Young, independent public accountants, to
                    incorporation of report by reference.                                     11
  
      24.2          Consent of counsel (included in the opinion of Thompson &
                    Knight, a Professional Corporation, filed herewith as Exhibit
                    5.1).                                                                     10