IPR Details
AT&T's Statement about IPR related to draft-willis-sip-cookies, draft-dcsgroup-sip-proxy-proxy, draft-dcsgroup-sip-arch, draft-ietf-sip-update, draft-ietf-sip-state, draft-ietf-sip-privacy, draft-ietf-sip-manyfolks-resource, draft-ietf-sip-events, draf...
The text of the original IPR disclosure is available in the disclosure history.
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
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IPR Disclosure ID #579, "AT&T's statement about IPR claimed in RFC 3261"IPR Disclosure ID #581, "AT&T's statement about IPR claimed in RFC 3262"IPR Disclosure ID #582, "AT&T's statement about IPR claimed in RFC 3265"IPR Disclosure ID #583, "AT&T's statement about IPR claimed in RFC 3603"IPR Disclosure ID #584, "AT&T's statement about IPR claimed in RFC 3311"IPR Disclosure ID #585, "AT&T's statement about IPR claimed in RFC 3312"IPR Disclosure ID #586, "AT&T's statement about IPR claimed in RFC 4032"
I. Patent Holder/Applicant ("Patent Holder")
| Holder legal name | AT&T |
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II. Patent Holder's Contact for Licence Application
| Holder contact name | Thomas F. Frost |
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| Holder contact email | tfrost@att.com |
| Holder contact info | Intellectual Property Vice President |
III. IETF Document or Other Contribution to Which this IPR Disclosure Relates
| Internet-Draft: draft-willis-sip-cookies ("SIP Cookies") Internet-Draft: draft-dcsgroup-sip-proxy-proxy ("SIP proxy-to-proxy extensions for supporting DCS") Internet-Draft: draft-dcsgroup-sip-arch ("Architectural Considerations for Providing Carrier Class Telephony Services Utilizing SIP-based Distributed Call Control Mechanisms") Internet-Draft: draft-ietf-sip-update ("The Session Initiation Protocol (SIP) UPDATE Method") Internet-Draft: draft-ietf-sip-state ("SIP Extensions for supporting Distributed Call State") Internet-Draft: draft-ietf-sip-privacy ("SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Networks") Internet-Draft: draft-ietf-sip-manyfolks-resource ("Integration of Resource Management and Session Initiation Protocol (SIP)") Internet-Draft: draft-ietf-sip-events ("Session Initiation Protocol (SIP)-Specific Event Notification") Internet-Draft: draft-ietf-sip-call-auth ("Private Session Initiation Protocol (SIP) Extensions for Media Authorization") Internet-Draft: draft-ietf-sip-100rel ("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 2026
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 |
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B. Does this disclosure relate to an unpublished pending patent application?:
| Has patent pending | No |
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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):
| Licensing | See Text Below for Licensing Declaration |
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| Licensing information, comments, notes, or URL for further information | To the extent that the technology discussed in any of these Internet Drafts Written requests for licenses may be sent to: AT&T Intellectual Property Licensing |
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
| Submitter name | Frost, Thomas F (Tom), ALCOO |
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| Submitter email | tfrost@att.com |
VII. Other Notes
| Additional notes | draft-ietf-sip-100rel-xx, draft-ietf-sip-call-auth-xx, draft-ietf-sip-events-xx |
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