Subject: [ipr-announce] Posting of IPR Disclosure related to Cisco System's Statement about IPR claimed draft-rosenberg-dispatch-vipr-sip-antispam-00

From: IETF Secretariat <[email-masked]>
Date: Tue, 17 Nov 2009 08:21:12 -0800 (PST)

Dear Cullen Jennings, Jonathan Rosenberg:

An IPR disclosure that pertains to your Internet-Draft entitled "Session
Initiation Protocol (SIP) Extensions for Blocking VoIP Spam Using PSTN
Validation" (draft-rosenberg-dispatch-vipr-sip-antispam) was submitted to the
IETF Secretariat on 2009-11-11 and has been posted on the "IETF Page of
Intellectual Property Rights Disclosures"
(https://datatracker.ietf.org/ipr/1239/). The title of the IPR disclosure is
"Cisco System's Statement about IPR claimed
draft-rosenberg-dispatch-vipr-sip-antispam-00."

The IETF Secretariat