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Nortel Networks Statement about IPR in RFC 3489

This IPR disclosure was submitted by e-mail.

Sections I, II, and IV of "The Patent Disclosure and Licensing Declaration Template for Legacy" have been completed for this IPR disclosure. Additional information may be available in the original submission.

The text of the original IPR disclosure is available further down, and also here:
http://www.ietf.org/ietf-ftp/IPR/nortel-ipr-rfc-3489.txt.

This IPR disclosure has been updated by IPR disclosure ID #937, "Nortel Networks Updated Statement about IPR claimed in RFC 3489".

This IPR disclosure has been updated by IPR disclosure ID #965, "Update to Nortel Networks Statement about IPR claimed in RFC 3489".

Update this IPR disclosure. Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

Submitted Date: January 14, 2008

I. Patent Holder/Applicant ("Patent Holder")
Legal Name: Nortel Networks
II. Patent Holder's Contact for License Application
Name: Michelle Lee
Title: IP Counsel
Department:
Address1:
Address2:
Telephone:
Fax:
Email: mleelaw@nortel.com
III. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
RFC 3489:"STUN - Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)"

The text of the original IPR declaration:

Nortel Networks Statement about IPR in RFC 3489
Date: 14 January 2008
From: Michelle Lee 

Dear Sir,

Nortel Networks Limited has an issued US patent no. 6,993,595, entitled
"Address Translation Change Identification", that may be relevant to at
least a portion of this proposed IETF RFC 3489 standard if approved and
implemented:
Title: STUN - Simple Traversal of User Datagram Protocol (UDP) Through
Network Address Translators (NATs)
Tag: RFC 3489 http://www.ietf.org/rfc/rfc3489.txt?number=3489
As understood, RFC3489 is identified as a proposed standard but will be
obseleted by the proposed IETF Internet draft-ietf-behave-rfc3489bis-13,
Session Traversal Utilities for (NAT) (STUN), if such draft is approved
as the resulting IETF standard.
My contact information is set out below.

Kind Regards,
Michelle Lee
IP Counsel
Nortel Networks Limited
5-195 The West Mall
Toronto, Ontario Canada M9C 5K1
Fax: 905-863-1986
mleelaw@nortel.com