Received October 29, 2002 From: Robert Barr Cisco has a pending patent application relating to the subject matter of draft-peterson-sip-identity-01, "Enhancements for Authenticated Identity Management in the Session Initiation Protocol (SIP)" . If a standard relating to this subject matter is adopted by IETF and any claims of any issued 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, with reciprocity, to implement and fully comply with the standard. For information contact: Robert Barr Worldwide Patent Counsel Cisco Systems 408-525-9706 rbarr@cisco.com