Form 6-K
 
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549 
 
FORM 6-K 
 
REPORT OF FOREIGN PRIVATE ISSUER 
 
Pursuant to Rule 13a-16 or 15d-16 of
The Securities Exchange Act of 1934
Dated May 10, 2006
 
Mitel Networks Corporation 
 
350 Legget Drive, Ottawa, Ontario K2K 2W7
(Address of principal executive offices)
 
Commission File Number: 000-49984
 
Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.
 
Form 20-F x
Form 40-F o
    
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ___
 
Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ___
 
Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o
No x
     
 
If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- ___
 
 
SIGNATURES 
 
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, thereunto duly authorized.
 
 
 
 
 
 
 
 
Mitel Networks Corporation
 
 
 
 
 
 
 
By:
 
  /s/ Steven Spooner
 
 
 
 
  Name: Steven Spooner
 
 
 
 
  Title: Chief Financial Officer
 
Date: May 10, 2006
 
 
EXHIBIT LIST 
 
 
 
 
Exhibit No.
 
Description
 
99.1
 
News Release dated May 10, 2006 - Mitel Networks Corporation Files for U.S. and Canadian IPO