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AT&T's Patent Statement pertaining to draft-ietf-sip-rfc2543bis

The text of the original IPR disclosure is available in the disclosure history.

Only those sections of the relevant entry form where the submitter provided information are displayed.

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: February 1, 2002

I. Patent Holder/Applicant ("Patent Holder")
Legal Name: AT&T
II. Patent Holder's Contact for License Application
Name:Thomas F. Frost
Email:tfrost@att.com
Other Info:
(address,phone,etc)

Intellectual Property Vice President
AT&T Intellectual Property Licensing
180 Park Avenue
Florham Park, NJ 07932

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates:
Internet-Draft: "SIP: Session Initiation Protocol"
(draft-ietf-sip-rfc2543bis)
IV. Disclosure of Patent Information (i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979)
A. For granted patents or published pending patent applications, please provide the following information:
Patent, Serial, Publication, Registration, or Application/File number(s):

United States Patent No. 6,324,279

B. Does this disclosure relate to an unpublished pending patent application?: no
V. Licensing Declaration
The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):
See Text Below for Licensing Declaration
Licensing information, comments, notes, or URL for further information:

To the extent that the
technology discussed in this Internet Draft becomes an IETF Standard, and
to the extent claims of AT&T's patents are required to implement the IETF
Standard, AT&T agrees that, upon written request, AT&T will offer, on a
nondiscriminatory basis, non-exclusive licenses on fair and reasonable
terms under such patent claims to implement that IETF Standard. AT&T's
willingness to grant such licenses is conditioned upon the prospective
licensee granting a reciprocal license to AT&T under any patents that the
prospective licensee has to any technology required to implement that IETF
Standard.

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.
VI. Contact Information of Submitter of this Form
Name:
Email: