---------------------------- OMB APPROVAL ---------------------------- OMB Number: 3235-0058 Expires: January 31, 2005 Estimated average burden hours per response......2.50 ---------------------------- SEC FILE NUMBER 0-10211 ---------------------------- CUSIP NUMBER ---------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING (Check One): [ ] Form 10-K [ ] Form 20-F [X] Form 11-K [ ] Form 10-Q [ ] Form N-SAR For Period Ended: December 31, 2002 ---------------------------------- [ ] Transition Report on Form 10-K [ ] Transition Report on Form 20-F [ ] Transition Report on Form 11-K [ ] Transition Report on Form 10-Q [ ] Transition Report on Form N-SAR For the Transition Period Ended: ------------------- If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates: -------------------------------------------------------------------------------- PART I - REGISTRANT INFORMATION Inter-Tel, Incorporated -------------------------------------------------------------------------------- Full Name of Registrant -------------------------------------------------------------------------------- Former Name if Applicable 1615 South 52nd Street -------------------------------------------------------------------------------- Address of Principal Executive Office (Street and Number) Tempe, AZ 85281 -------------------------------------------------------------------------------- City, State and Zip Code PART II - RULES 12b-25(b) and (c) If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate) | (a) The reasons described in reasonable detail in Part III of this | form could not be eliminated without unreasonable effort or | expense; | (b) The subject annual report, semi-annual report, transition report | on Form 10-K, Form 20-F, 11-K, Form N-SAR, or portion thereof, [X] | will be filed on or before the fifteenth calendar day following | the prescribed due date; or the subject quarterly report or | transition report on Form 10-Q, or portion thereof will be filed | on or before the fifth calendar day following the prescribed due | date; and | (c) The accountant's statement or other exhibit required by Rule | 12b-25(c) has been attached if applicable. PART III - NARRATIVE State below in reasonable detail why the forms 10-K, 20-F, 11-K, 10-Q, N-SAR, or the transition report or portion thereof, could not be filed within the prescribed time period. Inter-Tel has engaged a new independent auditing firm solely for the purpose of preparing the Form 11-K. This change in auditors required an additional, unforeseen amount of work. Inter-Tel, Incorporated respectfully requests an additional fifteen days to complete this work and furnish the Form 11-K as permitted under Rule 12b-25(a). PART IV - OTHER INFORMATION (1) Name and telephone number of person to contact in regard to this notification Caine Moss, Esq. (650) 493-9300 -------------------------------------- ------------- ------------------ (Name) (Area Code) (Telephone Number) (2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If answer is no, identify report(s). [X] YES [ ] NO --------------------------------------------------------------------------- (3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statement to be included in the subject report or portion thereof? [ ] YES [X] NO If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made. ================================================================================ Inter-Tel, Incorporated -------------------------------------------- (Name of Registrant as Specified in Charter) has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized. Date: July 1, 2003 By: /s/ Kurt R. Kneip ----------------------- -------------------------------- Kurt R. Kneip, Sr. Vice President and Plan Administrator Inter-Tel, Incorporated and Inter-Tel, Incorporated Tax Deferred Savings Plan and Retirement Trust 2