Exhibit 3.1.2 CERTIFICATE OF AMENDMENT TO THE CERTIFICATE OF INCORPORATION OF DELTATHREE.COM, INC. Pursuant to Section 242 of the General Corporation Law of the State of Delaware Deltathree.com, Inc., a Delaware corporation(hereinafter called the "Corporation"), does hereby certify as follows: FIRST: Article FIRST of the Corporation's Certificate of Incorporation is hereby amended to read in its entirety as set forth below: "FIRST: The name of the corporation is deltathree, Inc. (hereinafter the "Corporation")." SECOND: The foregoing amendment was duly adopted in accordance with Section 242 of the General Corporation Law of the State of Delaware. IN WITNESS WHEREOF, the Corporation has caused this Certificate to be duly executed in its corporate name this 11th day of December, 2000. DELTATHREE.COM, INC. By: ------------------------------ Name: Andrew A. Fink Title: General Counsel