EX-23.1 4 ex-23_1.txt EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 10, 2003, relating to the financial statements, which appears in deltathree, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2002. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ Brightman Almagor & Co. Brightman Almagor & Co. Certified Public Accountants A member of Deloitte Touche Tohmatsu Tel Aviv, Israel October 6, 2003