SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
Pursuant to Rule 13a-16 or 15d-16 under
the Securities Exchange Act of 1934
For the month of June, 2007
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 of Form 20-F or Form 40-F.
Form 20-F þ 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):
Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted
solely to provide an attached annual report to security holders.
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):
Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted
to furnish a report or other document that the registrant foreign private issuer must furnish and
make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled
or legally organized (the registrant’s “home country”), or under the rules of the home country
exchange on which the registrant’s securities are traded, as long as the report or other document
is not a press release, is not required to be and has not been distributed to the registrant’s
security holders, and, if discussing a material event, has already been the subject of a Form 6-K
submission or other Commission filing on EDGAR.
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 þ
If “Yes” is marked, indicate below the file number assigned to the registrant in connection
with Rule 12g3-2(b):
82- .