Received March 15, 2003 From: rbarr@cisco.com Cisco has a pending patent application relating to the subject matter of "Interactive Connectivity Establishment (ICE): A Methodology for Network Address Translator (NAT) Traversal for the Session Initiation Protocol (SIP)" . If a standard related to this subject matter is adopted by IETF and any claims of any Cisco patents are necessary for practicing this standard, any party will be able to obtain a license from Cisco to use any such patent claims under reasonable, non-discriminatory terms to implement and fully comply with the standard. For information contact: Robert Barr Worldwide Patent Counsel Cisco Systems 408-525-9706 rbarr@cisco.com