Title: ECI's Statement About IPR Claimed in RFC 3135 Received: November 17, 2003 From: Gil.Ingel@ecitele.com Dear Sirs, ECI Telecom Ltd. (ECI) hereby advises the IETF that it holds a US patent No. 6,424,626 (and a number of corresponding applications) that it believes to be essential to the PILC group, RFC 3135. In accordance with RFC 2026, ECI decalres its willingness to make available nonexclusive licenses to such patent rights it owns under reasonable and non-discriminatory terms and conditions, solely to the extent such technology is essential to comply with such IETF standard. For any inquiry related to this statement, please contact: Dr. Gil Ingel Corporate VP for Intellectual Property 30 Hasivim Street Petach Tikva 49517 Israel Fax: +972-3-9268976 E-mail: gil.ingel@ecitele.com Dr. Gil Ingel Corporate Vice President Intellectual Property ECI Telecom Ltd. 30 Hasivim St. Petach-Tikva, Israel 49517 e-mail : gil.ingel@ecitele.com phone : +972-3-9268534 fax : +972-3-9268976