IPR Details
Comcast IP Holdings I, LLC's Statement about IPR related to RFC 3953, RFC 4415, RFC 4759, RFC 4769, RFC 4002, RFC 4355, RFC 4414, RFC 4725, RFC 4969, RFC 4979, RFC 5028, RFC 5278, RFC 5346, RFC 5067, RFC 5076, RFC 5105, RFC 2168, RFC 3401, RFC 3402, RF...

Submitted: November 5, 2008 under the rules in RFC 3979 as updated by RFC 4879

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.

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

Holder legal name Comcast IP Holdings I, LLC

II. Patent Holder's Contact for Licence Application

Holder contact name David L. Marcus
Holder contact email david_marcus@comcast.com
Holder contact info

Senior Patent Litigation Counsel
1701 JFK Blvd - 50th Flr
Philadelphia, PA 19103
T: 2152865069

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

Name David L. Marcus
Email david_marcus@comcast.com
Other info

T: 2152865069

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

Internet-Draft: draft-ietf-urn-naptr ("Resolution of Uniform Resource Identifiers using the Domain Name System")
Revisions: 05
Internet-Draft: draft-ietf-sigtran-framework-arch ("Framework Architecture for Signaling Transport")
Revisions: 04
Internet-Draft: draft-bellis-enum-send-n ("IANA Registrations for the 'Send-N' Enumservice")
Revisions: 02
Internet-Draft: draft-hoeneisen-enum-enumservices-transition ("Update of legacy IANA Registrations of Enumservices")
Revisions: 01
Internet-Draft: draft-ietf-enum-3761bis ("The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)")
Revisions: 03
Internet-Draft: draft-ietf-enum-calendar-service ("IANA Registration of Enumservices for Internet Calendaring")
Revisions: 04
Internet-Draft: draft-ietf-enum-cnam ("IANA Registration for an Enumservice Calling Name Delivery (CNAM) Information and IANA Registration for URI type 'pstndata' ")
Revisions: 08
Internet-Draft: draft-ietf-enum-combined ("Combined User and Infrastructure ENUM in the e164.arpa Tree")
Revisions: 08
Internet-Draft: draft-ietf-enum-edns0 ("ENUM Requirement for EDNS0 Support")
Revisions: 00
Internet-Draft: draft-ietf-enum-enumservice-sms-smpp ("IANA Registrations of Enumservice "sms:smpp" and URI Scheme "smpp" ")
Revisions: 01
Internet-Draft: draft-ietf-enum-enumservices-guide ("IANA Registration of Enumservices: Guide, Template, and IANA Considerations")
Revisions: 13
Internet-Draft: draft-ietf-enum-experiences ("ENUM Implementation Issues and Experiences")
Revisions: 10
Internet-Draft: draft-ietf-enum-iax ("IANA Registration for Enumservice 'iax'")
Revisions: 04
Internet-Draft: draft-ietf-enum-infrastructure ("The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application for Infrastructure ENUM")
Revisions: 07
Internet-Draft: draft-ietf-enum-trunkgroup ("IANA Registration for an Enumservice Trunkgroup")
Revisions: 00
Internet-Draft: draft-ietf-enum-unused ("IANA Registration for Enumservice UNUSED")
Revisions: 04
Internet-Draft: draft-ietf-enum-x-service-regs ("IANA Registration of Experimental and Trial Enumservices (X-Enumservices)")
Revisions: 01
Internet-Draft: draft-lendl-enum-sip-lr ("IANA Registration for the enumservice-subtype 'sip:lr'")
Revisions: 00
Internet-Draft: draft-mayrhofer-enum-loc-enumservice ("IANA Registration for Location ('loc') Enumservice")
Revisions: 00
RFC: RFC3953 ("Telephone Number Mapping (ENUM) Service Registration for Presence Services") RFC: RFC4415 ("IANA Registration for Enumservice Voice") RFC: RFC4759 ("The ENUM Dip Indicator Parameter for the "tel" URI") RFC: RFC4769 ("IANA Registration for an Enumservice Containing Public Switched Telephone Network (PSTN) Signaling Information") RFC: RFC4002 ("IANA Registration for Enumservice 'web' and 'ft'") RFC: RFC4355 ("IANA Registration for Enumservices email, fax, mms, ems, and sms") RFC: RFC4414 ("An ENUM Registry Type for the Internet Registry Information Service (IRIS)") RFC: RFC4725 ("ENUM Validation Architecture") RFC: RFC4969 ("IANA Registration for vCard Enumservice") RFC: RFC4979 ("IANA Registration for Enumservice 'XMPP'") RFC: RFC5028 ("A Telephone Number Mapping (ENUM) Service Registration for Instant Messaging (IM) Services") RFC: RFC5278 ("IANA Registration of Enumservices for Voice and Video Messaging") RFC: RFC5346 ("Operational Requirements for ENUM-Based Softswitch Use") RFC: RFC5067 ("Infrastructure ENUM Requirements") RFC: RFC5076 ("ENUM Validation Information Mapping for the Extensible Provisioning Protocol") RFC: RFC5105 ("ENUM Validation Token Format Definition") RFC: RFC2168 ("Resolution of Uniform Resource Identifiers using the Domain Name System") RFC: RFC3401 ("Dynamic Delegation Discovery System (DDDS) Part One: The Comprehensive DDDS") RFC: RFC3402 ("Dynamic Delegation Discovery System (DDDS) Part Two: The Algorithm") RFC: RFC3403 ("Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) Database") RFC: RFC3404 ("Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI)") RFC: RFC2719 ("Framework Architecture for Signaling Transport") RFC: RFC3331 ("Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Adaptation Layer") RFC: RFC3807 ("V5.2-User Adaptation Layer (V5UA)") RFC: RFC3868 ("Signalling Connection Control Part User Adaptation Layer (SUA)") RFC: RFC3873 ("Stream Control Transmission Protocol (SCTP) Management Information Base (MIB)") RFC: RFC4165 ("Signaling System 7 (SS7) Message Transfer Part 2 (MTP2) - User Peer-to-Peer Adaptation Layer (M2PA)") RFC: RFC4166 ("Telephony Signalling Transport over Stream Control Transmission Protocol (SCTP) Applicability Statement") RFC: RFC4233 ("Integrated Services Digital Network (ISDN) Q.921-User Adaptation Layer") RFC: RFC4666 ("Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA)") RFC: RFC4960 ("Stream Control Transmission Protocol") RFC: RFC5133 ("Terminal Endpoint Identifier (TEI) Query Request Number Change") RFC: RFC3482 ("Number Portability in the Global Switched Telephone Network (GSTN): An Overview") RFC: RFC4114 ("E.164 Number Mapping for the Extensible Provisioning Protocol (EPP)") RFC: RFC3762 ("Telephone Number Mapping (ENUM) Service Registration for H.323") RFC: RFC3761 ("The E.164 to Uniform Resource Identifiers (URI) Dynamic Delegation Discovery System (DDDS) Application (ENUM)") RFC: RFC3764 ("enumservice registration for Session Initiation Protocol (SIP) Addresses-of-Record") RFC: RFC4192 ("Procedures for Renumbering an IPv6 Network without a Flag Day")

V. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by RFC 3979 as updated by RFC 4879

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

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

Date: 1995 through 2006
Country: US and various others

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 Unwilling to Commit to the Provisions of a), b), or c) Above
Licensing information, comments, notes, or URL for further information

(No information submitted)

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 David L. Marcus
Submitter email david_marcus@comcast.com

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