================================================================================ SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 AMENDMENT NO. 3 TO SCHEDULE 14D-1 TENDER OFFER STATEMENT PURSUANT TO SECTION 14(d)(1) OF THE SECURITIES EXCHANGE ACT OF 1934 AMENDMENT NO. 1 TO SCHEDULE 13D UNDER THE SECURITIES EXCHANGE ACT OF 1934* DIALOGIC CORPORATION (NAME OF SUBJECT COMPANY) INTEL CORPORATION INTEL LMH ACQUISITION CORPORATION (BIDDERS) COMMON STOCK, NO PAR VALUE (TITLE OF CLASS OF SECURITIES) 25249910-8 (CUSIP NUMBER OF CLASS OF SECURITIES) F. THOMAS DUNLAP, JR. VICE PRESIDENT, GENERAL COUNSEL AND SECRETARY INTEL CORPORATION 2200 MISSION COLLEGE BOULEVARD SANTA CLARA, CALIFORNIA 95052 408-765-1125 (NAME, ADDRESS AND TELEPHONE NUMBER OF PERSON AUTHORIZED TO RECEIVE NOTICES AND COMMUNICATIONS ON BEHALF OF BIDDER) COPIES TO: KENNETH R. LAMB GREGORY J. CONKLIN GIBSON, DUNN & CRUTCHER LLP ONE MONTGOMERY STREET TELESIS TOWER SAN FRANCISCO, CA 94104 (415) 393-8200 ================================================================================ * This Amendment No. 3 to Schedule 14D-1 also constitutes Amendment No. 1 to the Statement on Schedule 13D of Intel Corporation and Intel LMH Acquisition Corporation with respect to the shares of common stock, no par value, of Dialogic Corporation beneficially owned by Intel Corporation and Intel LMH Acquisition Corporation. CUSIP No. 252499 10 8 SCHEDULE 13D Page 1 of [8] Pages --------------------- -------- -------- (1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of Above Persons Intel Corporation 94-1672743 --------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group* (a) [ ] (b) [ ] --------------------------------------------------------------------- (3) SEC Use Only --------------------------------------------------------------------- (4) SOURCE OF FUNDS* WC --------------------------------------------------------------------- (5) CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) --------------------------------------------------------------------- (6) Citizenship or Place of Organization Delaware --------------------------------------------------------------------- (7) Sole Voting Power Number of 16,503,604 Shares -------------------------------------------------------- Beneficially (8) Shared Voting Power Owned by 0 Each -------------------------------------------------------- Reporting (9) Sole Dispositive Power Person With 16,503,604 -------------------------------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 16,503,604 --------------------------------------------------------------------- (12) Check Box if Aggregate Amount in Row (11) Excludes Certain Shares [ ] --------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 94.37% --------------------------------------------------------------------- (14) Type of Reporting Person* CO --------------------------------------------------------------------- CUSIP No. 252499 10 8 SCHEDULE 13D Page 2 of 3 Pages --------------------- -------- -------- CUSIP No. 252499 10 8 Page 3 of 8 Pages --------------------- -------- -------- (1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of Above Persons Intel LMH Acquisition Corporation --------------------------------------------------------------------- (2) Check the Appropriate Box if a Member of a Group* (a) [ ] (b) [ ] --------------------------------------------------------------------- (3) SEC Use Only --------------------------------------------------------------------- (4) SOURCE OF FUNDS* AF --------------------------------------------------------------------- (5) CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e) --------------------------------------------------------------------- (6) Citizenship or Place of Organization New Jersey --------------------------------------------------------------------- (7) Sole Voting Power Number of 16,503,604 Shares -------------------------------------------------------- Beneficially (8) Shared Voting Power Owned by 0 Each -------------------------------------------------------- Reporting (9) Sole Dispositive Power Person With 16,503,604 -------------------------------------------------------- (10) Shared Dispositive Power 0 -------------------------------------------------------- (11) Aggregate Amount Beneficially Owned by Each Reporting Person 16,503,604 --------------------------------------------------------------------- (12) Check Box if Aggregate Amount in Row (11) Excludes Certain Shares* [ ] --------------------------------------------------------------------- (13) Percent of Class Represented by Amount in Row (11) 94.37% --------------------------------------------------------------------- (14) Type of Reporting Person CO --------------------------------------------------------------------- INTRODUCTION This Amendment No. 3 dated July 7, 1999 to Tender Offer Statement on Schedule 14D-1 dated June 7, 1999 (the "Schedule 14D-1") as amended and supplemented by Amendment No. 1, filed with the Securities and Exchange Commission (the "Commission") on July 1, 1999 and Amendment No. 2, filed with the Commission on July 2, 1999, relates to the offer by Intel LMH Acquisition Corporation, a New Jersey corporation ("Acquisition"), and a wholly owned subsidiary of Intel Corporation, a Delaware corporation ("Intel"), to purchase all outstanding shares of common stock, no par value of Dialogic Corporation, a New Jersey corporation (the "Company"), at a price of $44 per Share, net to the tendering shareholder in cash, upon the terms and subject to the conditions set forth in the Offer to Purchase, dated June 7, 1999 (the "Offer to Purchase"), and the related Letter of Transmittal (which together constitute the "Offer"). This Amendment No. 3 also constitutes Amendment No. 1 to the Statement on Schedule 13D, filed with the Commission on June 7, 1999, with respect to the shares beneficially owned by Intel and Acquisition. Capitalized terms used but not defined herein shall have the meanings given such terms in the Schedule 14D-1. ITEM 6. INTEREST IN SECURITIES OF THE SUBJECT COMPANY Item 6 is hereby amended and supplemented by the addition of the following information thereto: At midnight, New York City time on July 2, 1999, the Offer expired. A total of 16,503,604 shares were tendered and accepted pursuant to the Offer, representing approximately 94.4% of the Shares outstanding. An additional 329,218 Shares were tendered by guaranteed delivery. ITEM 10. ADDITIONAL INFORMATION Item 10 is hereby amended and supplemented by the addition of the following information thereto: A copy of Intel's press release announcing the successful completion of the Offer and its intention to complete the acquisition of the remaining shares of the Company's common stock on or about July 8, 1999, is filed as Exhibit (a)(10) to the Schedule 14D-1 and is incorporated herein by reference. ITEM 11. MATERIAL TO BE FILED AS EXHIBITS Item 11 is hereby amended and supplemented by the addition of the following exhibit: (a)(10) Press Release dated July 6, 1999, issued by Intel. 2 SIGNATURE After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: July 6, 1999 INTEL LMH ACQUISITION CORPORATION By: /s/ CARY KLAFTER ------------------------------------ Cary Klafter Vice President and Secretary SIGNATURE After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Dated: July 6, 1999 INTEL CORPORATION By: /s/ F. THOMAS DUNLAP, JR. ----------------------------------- F. Thomas Dunlap, Jr. Vice President, General Counsel and Secretary 3 EXHIBIT INDEX Exhibit EXHIBIT INDEX - ----------------- ---------------------------------------------------------- (a)(10) Press release dated July 6, 1999, issued by Intel. 4