Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Post-Effective Amendment No. 1 to Registration Statement No. 333-141953 on Form S-3 of our reports dated March 31, 2008, relating to the consolidated financial statements and financial statement schedule of UCN, Inc. and subsidiaries (which report expressed an unqualified opinion and includes explanatory paragraphs relating to the adoption of Statement of Financial Accounting Standards (“SFAS”) No. 123(R), Share-Based Payment, and relating to the restatement discussed in Note 17), and the effectiveness of UCN, Inc.’s internal control over financial reporting (which report expresses an adverse opinion on the effectiveness of the Company’s internal control over financial reporting because of material weaknesses), appearing in the Annual Report on Form 10-K of UCN, Inc. and subsidiaries for the year ended December 31, 2007, and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.

/s/ DELOITTE & TOUCHE LLP

Salt Lake City, Utah

May 14, 2008