Exhibit 23.3
Consent of Independent Registered Public Accounting Firm
ITC^DeltaCom, Inc.
Atlanta, Georgia
We hereby consent to the incorporation by reference in the Prospectus constituting part of Pre-Effective Amendment No. 2 to this Registration Statement of our report dated March 1, 2011, except for Notes 3, 6 and 12 as to which date is May 5, 2011, relating to the consolidated financial statements of ITC^DeltaCom, Inc. appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2010, as amended by ITC^DeltaCom, Inc.’s Current Report on Form 8-K filed May 5, 2011.
We also consent to the reference to us under the caption “Experts” in the Prospectus.
/s/ BDO USA, LLP
Atlanta, Georgia
August 26, 2011