Received October 29, 2002
From: Robert Barr <rbarr@cisco.com>

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