****EXHIBIT 32.1****

**CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 (SUBSECTIONS (A) AND (B) OF SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE)**

 

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of section 1350, chapter 63 of title 18, United States Code), each of the undersigned officers of Fusion Telecommunications International, Inc., a Delaware corporation (the "Company"), does hereby certify that:        The Quarterly Report on Form 10-Q for the quarter ended June 30, 2009, (the "Form 10-Q") of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

 

**FUSION TELECOMMUNICATIONS INTERNATIONAL, INC**.

| August 14, 2009 |  

                                                  By: /s/ **MATTHEW D. ROSEN**                                                                                 Matthew D. Rosen                                                                                 Chief Executive Officer |
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| August 14, 2009 |  

                                                  By: /s/ **BARBARA HUGHES**                                                                                 Barbara Hughes                                                                                 Chief Financial Officer |