EXHIBT 4.1(J) PATENT PURCHASE AGREEMENT This PATENT PURCHASE AGREEMENT (this "AGREEMENT") is entered into, as of the Effective Date (defined below), by and between VocalTec Communications Ltd., an Israeli company, with an office at 60 Medinat...Patent Purchase Agreement • July 15th, 2008 • Vocaltec Communications LTD • Telephone communications (no radiotelephone) • Delaware
