Exhibit 32

                                  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 deltathree,  Inc., a Delaware  corporation  (the
"Company"), does hereby certify, to such officer's knowledge, that:

         The Quarterly  Report on Form 10-Q for the quarter ended  September 30,
2003 (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  information
contained  in the Form 10-Q  fairly  presents,  in all  material  respects,  the
financial condition and results of operations of the Company.


Dated: November 6, 2003           /s/ Shimmy Zimels
       ----------------           ------------------------------------------
                                  Shimmy Zimels
                                  Chief Executive Officer
                                  (Principal Executive Officer)


Dated: November 6, 2003           /s/ Paul C. White
       ----------------           ------------------------------------------
                                  Paul C. White
                                  Chief Financial Officer
                                  (Principal Financial and Accounting Officer)


A signed  original of this  written  statement  required by Section 906 has been
provided to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.



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