EXHIBIT 3
JOINT FILING AGREEMENT
This confirms the agreement by and among the undersigned that the Statement on
Amendment No. 2 to Schedule 13D (the "Statement"), filed on or about this date
with respect to the beneficial ownership by the undersigned of the common
shares, no par value, of Mitel Networks Corporation, is being filed on behalf of
each of the undersigned.
Each of the undersigned hereby acknowledges that pursuant to Rule 13d-1(k)
promulgated under the Securities and Exchange Act of 1934, as amended, each
person on whose behalf the Statement is being filed is individually eligible to
use the schedule on which the information is filed, each person on whose behalf
the Statement is filed is responsible for the timely filing of such Statement
and any amendments thereto and for the completeness and accuracy of the
information concerning such person contained therein, and that such person is
not responsible for the completeness or accuracy of the information concerning
the other persons making the filing, unless such person knows or has reason to
believe that such information is inaccurate.
Each of the undersigned agrees that ▇▇▇▇▇▇ ▇▇▇▇▇▇ Corporation shall be
authorized to receive notices and communications on behalf of the undersigned
relating to the Statement.
This Agreement may be executed in two or more counterparts, each of which, taken
together, shall constitute one and the same instrument.
Dated: September 27, 2006
▇▇▇▇▇▇ ▇▇▇▇▇▇ CORPORATION
By: /s/ ▇▇▇▇ ▇▇▇▇▇▇▇▇
-------------------------------------
▇▇▇▇ ▇▇▇▇▇▇▇▇
President and Chief Operating Officer
CELTIC TECH JET LIMITED
By: /s/ ▇▇▇▇ ▇▇▇▇▇▇▇▇
-------------------------------------
▇▇▇▇ ▇▇▇▇▇▇▇▇
President
/s/ ▇▇. ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
-------------------------------------
▇▇. ▇▇▇▇▇▇▇ ▇. ▇▇▇▇▇▇▇▇
