Mitel Networks (MITL) 8-K Entry into a Material Definitive Agreement

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

Mavenir Systems, Inc.

Richardson, Texas

We hereby consent to the incorporation by reference into the Registration Statements on Form S-8 of Mitel Networks Corporation (Reg. nos. 333-173617, 333-147625, 333-132229, 333-120816, 333-176768, 333-189572, 333-196665 and 333-182256) of our report dated March 3, 2015, relating to the consolidated financial statements of Mavenir Systems, Inc. and its subsidiaries, which is incorporated by reference in this Current Report onForm 8-K.

/s/  BDO USA, LLP

Dallas, Texas

May 1, 2015