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IPR Details
Avaya Inc.'s Statement about IPR related to RFC 6157

Submitted: January 9, 2020 under the rules in RFC 8179.

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.


Updated by

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

Holder legal name Avaya Inc.

II. Patent Holder's Contact for License Application

Holder contact name Neal K. Feivelson
Holder contact email
Holder contact info


III. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure

Name Dusan Mudric
Other info


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

RFC6157 ("IPv6 Transition in the Session Initiation Protocol (SIP)")

V. Disclosure of Patent Information
i.e., patents or patent applications required to be disclosed by RFC 8179

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

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

Date: 2019-01-15
Title: Internet protocol address selection in session initiation protocol communications
Number: US10182006
Inventor: Dusan Mudric

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending No

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

If part(s) of a contribution by Avaya Inc. employees is (are) included in IETF RFC 6157 and a claim of Avaya patent US10182006 is essential to implementation of such included part(s), Avaya Inc. is prepared to grant, on the basis of reciprocity (grant-back) whenever applicable, a license on such included part(s) on reasonable, non-discriminatory terms and conditions. Such license shall be subject to a written license agreement before using said patent.

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.

VII. Contact Information of Submitter of this Form

Submitter name Clark Petrie
Submitter email

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