UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 --------------------------------------------------------------------------- FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 September 9, 2004 Date of Report (Date of earliest event reported) --------------------------------------------------------------------------- SONUS NETWORKS, INC. (Exact Name of Registrant as Specified in its Charter) DELAWARE 000-30229 04-3387074 ----------- --------- ---------- (State or Other Jurisdiction (Commission File Number) (IRS Employer of Incorporation) Identification No.) 250 APOLLO DRIVE, CHELMSFORD, MASSACHUSETTS 01824 (Address of Principal Executive Offices) (Zip Code) (978) 614-8100 (Registrant's Telephone Number, Including Area Code) Not Applicable (Former Name or Former Address, if Changed Since Last Report) --------------------------------------------------------------------------- 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 (see General Instruction A.2. below): |_| 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))Item 5.02. Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers. On September 9, 2004, the Board of Directors of Sonus Networks, Inc. elected John P. Cunningham to its Board of Directors.
SIGNATURE 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. Date: September 13, 2004 SONUS NETWORKS, INC. By: /s/ Albert A. Notini ------------------------------------- Albert A. Notini President and Chief Operating Officer