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IPR Details
AT&T's statement about IPR claimed in RFC 3262

Submitted: June 2, 2005 under the rules in RFC 3979.

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.

Updates

Updates

I. Patent Holder/Applicant ("Patent Holder")

Previous (#45) This (#581)
AT&T Holder legal name AT&T

II. Patent Holder's Contact for License Application

Previous (#45) This (#581)
Thomas F. Frost Holder contact name Richard Palazzo
tfrost@att.com Holder contact email rpalazzo@att.com

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

Holder contact info

Intellectual Property Senior Specialist
AT&T Intellectual Property Licensing
180 Park Avenue
Florham Park, NJ 07932
T: +1 973-236-6693

III. IETF Document or Other Contribution to Which this IPR Disclosure Relates

Previous (#45) This (#581)
Internet-Draft:
draft-willis-sip-cookies ("SIP Cookies")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. However, there is only one revision of this Internet-Draft.
Internet-Draft:
draft-dcsgroup-sip-proxy-proxy ("SIP proxy-to-proxy extensions for supporting DCS")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 05 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-dcsgroup-sip-arch ("Architectural Considerations for Providing Carrier Class Telephony Services Utilizing SIP-based Distributed Call Control Mechanisms")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 05 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-update ("The Session Initiation Protocol (SIP) UPDATE Method")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 00 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-state ("SIP Extensions for supporting Distributed Call State")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 02 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-privacy ("SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Networks")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 03 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-manyfolks-resource ("Integration of Resource Management and Session Initiation Protocol (SIP)")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 03 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-events ("Session Initiation Protocol (SIP)-Specific Event Notification")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 03 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-call-auth ("Private Session Initiation Protocol (SIP) Extensions for Media Authorization")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 03 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
Internet-Draft:
draft-ietf-sip-100rel ("Reliability of Provisional Responses in Session Initiation Protocol (SIP)")
Notice:
No revisions for this Internet-Draft were specified in this disclosure. The Internet-Draft's revision was 05 at the time this disclosure was posted. Contact the discloser or patent holder if there are questions about which revisions this disclosure pertains to.
RFC:
RFC3262 ("Reliability of Provisional Responses in Session Initiation Protocol (SIP)")

IV. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 3979

A. For granted patents or published pending patent applications, please provide the following information:

Previous (#45) This (#581)

United States Patent No. 6,324,279

Patent, Serial, Publication, Registration, or Application/File number(s)

6,324,279; 10/179684
Date: 11/27/2001; 01/02/2003
Country: USA

Notes: Also unpublished patent application(s).

B. Does this disclosure relate to an unpublished pending patent application?:

Previous (#45) This (#581)
Has patent pending Yes

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):

Previous (#45) This (#581)
See Text Below for Licensing Declaration Licensing See Text Below for Licensing Declaration

To the extent that the technology discussed in any of these Internet Drafts
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.

Written requests for licenses may be sent to:

AT&T Intellectual Property Licensing
Room 2E37, Bldg. 104
180 Park Avenue
Florham Park, NJ 07932

Licensing information, comments, notes, or URL for further information

This is to advise the IETF that AT&T believes it owns intellectual property
(identified in section V above) that may relate to RFC 3262. To the extent that
the technology discussed in the above referenced IETF document(s) 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.

Written requests for licenses may be sent to:
AT&T Intellectual Property Licensing
Director, Intellectual Property
180 Park Avenue
Florham Park, NJ 07932

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

Previous (#45) This (#581)
Frost, Thomas F (Tom), ALCOO Submitter name Richard Palazzo
tfrost@att.com Submitter email rpalazzo@att.com

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