Received July 11, 2002 From: Sasha Vainshtein This declaration is being made pursuant to the provisions of IETF IPR Policy, Sections 10.3.1 and 10.3.2. In regard to a recent submission of an update to the Internet Draft "TDM Circuit Emulation Service over Packet Switched Network (CESoPSN)" (draft-vainshtein-cesopsn-03.txt), the Intellectual Property Considerations section of the previous revisions has been replaced with the following IPR Disclaimer: This document is being submitted for use in IETF standards discussions. Axerra Networks, Inc. has filed one or more patent applications relating to the CESoPSN technology outlined in this document. Axerra Networks, Inc. will grant free unlimited licenses for use of this technology to the users who will register and sign up at the Axerra Web site. Please consider me as the contact persons for further inquiries. With best regards, Sasha Vainshtein email: sasha@axerra.com tel: +972-3-7659993 (office) +972-8-9254948 (res.) +972-58-674833 (cell.) ========================================================================== Received September 20, 2001 From: Sasha Vainshtein Dear Sir/Madam, This declaration is being made pursuant to the provisions of IETF IPR Policy, Sections 10.3.1 and 10.3.2. In regard to a recent submission of an Internet Draft "TDM Circuit Emulation Service over Packet Switched Network (CESoPSN)" (draft-vainshtein-cesopsn-00.txt): This document is being submitted for use in IETF standards discussions. Axerra Networks, Inc. has filed one or more patent applications relating to the CESoPSN technology outlined in this document. Where there is a necessary dependence upon such patents and patent applications in implementing an IETF adopted standard resulting from this document, Axerra Networks will license on fair, reasonable, and non-discriminatory terms to all parties, any patent claims it owns covering such technology, solely to the extent such technology is essential to comply with such standard. Any such license to a party shall start on the date that Axerra Networks and the party enter into an agreement related thereto and shall be granted on the condition that any such party grants to Axerra Networks and its corporate affiliates a reciprocal license under such party's patents for which there is also a necessary dependence. Please consider me as the contact persons for further inquiries. With best regards, Sasha Vainshtein email: sasha@axerra.com tel: +972-3-7659993 (office) +972-8-9254948 (res.) +972-58-674833 (cell.)