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)" <draft-rosenberg-sipping-ice-*>. 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