IPR Disclosure: Hitachi, Ltd.'s Statement about IPR related to RFC 3666 (4)

IETF Secretariat <[email protected]> Thu, 15 Dec 2011 08:51:36 -0800

Newsgroups	gmane.ietf.ipr.announce,gmane.ietf.sipping
Message-ID	<[email protected]>

Dear Steve Donovan:

 An IPR disclosure that pertains to your RFC entitled "Session Initiation
Protocol PSTN Call Flows" (RFC3666) was submitted to the IETF Secretariat on
2011-11-15 and has been posted on the "IETF Page of Intellectual Property Rights
Disclosures" (https://datatracker.ietf.org/ipr/1651/). The title of the IPR
disclosure is "Hitachi, Ltd.'s Statement about IPR related to RFC 3666 (4)."");

The IETF Secretariat