IPR Search

Document IPR search results for draft-ietf-sipping-pstn-call-flows

Total number of IPR disclosures found: 4.

Date ID Statement
2011-11-15 1651 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
(Updates ID#: 1562)
2011-05-25 1562 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
(Updates ID#: 1414)
2010-10-04 1414 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
(Updates ID#: 1300)
2010-03-23 1300 Hitachi, Ltd.'s Statement about IPR related to RFC 3666

Total number of documents searched: 3.

Date ID Statement
Results for RFC3666 ("Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows"):
2010-03-23 1300 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
2010-10-04 1414 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
(Updates ID#: 1300)
2011-05-25 1562 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
(Updates ID#: 1414)
2011-11-15 1651 Hitachi, Ltd.'s Statement about IPR related to RFC 3666
(Updates ID#: 1562)
Results for bcp76 ("Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows"):
No IPR disclosures have been submitted directly on bcp76, but there are disclosures on related documents, listed on this page.
Results for draft-ietf-sipping-pstn-call-flows ("Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows"):
No IPR disclosures have been submitted directly on draft-ietf-sipping-pstn-call-flows, but there are disclosures on related documents, listed on this page.

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