< draft-rosenberg-sip-ice-error-code-00.txt		draft-rosenberg-sip-ice-error-code-01.txt >
	SIP J. Rosenberg		SIP J. Rosenberg
	Internet-Draft Cisco		Internet-Draft Cisco
	Intended status: Standards Track November 10, 2007		Intended status: Standards Track February 23, 2008
	Expires: May 13, 2008		Expires: August 26, 2008
	A Session Initiation Protocol (SIP) Response Code for Interactive		A Session Initiation Protocol (SIP) Response Code for Interactive
	Connectivity Establishment (ICE) Failures		Connectivity Establishment (ICE) Failures
	draft-rosenberg-sip-ice-error-code-00		draft-rosenberg-sip-ice-error-code-01
	Status of this Memo		Status of this Memo
	By submitting this Internet-Draft, each author represents that any		By submitting this Internet-Draft, each author represents that any
	applicable patent or other IPR claims of which he or she is aware		applicable patent or other IPR claims of which he or she is aware
	have been or will be disclosed, and any of which he or she becomes		have been or will be disclosed, and any of which he or she becomes
	aware will be disclosed, in accordance with Section 6 of BCP 79.		aware will be disclosed, in accordance with Section 6 of BCP 79.
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF), its areas, and its working groups. Note that		Task Force (IETF), its areas, and its working groups. Note that
	skipping to change at page 1, line 35 ¶		skipping to change at page 1, line 35 ¶
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/ietf/1id-abstracts.txt.		http://www.ietf.org/ietf/1id-abstracts.txt.
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html.		http://www.ietf.org/shadow.html.
	This Internet-Draft will expire on May 13, 2008.		This Internet-Draft will expire on August 26, 2008.
	Copyright Notice		Copyright Notice
	Copyright (C) The IETF Trust (2007).		Copyright (C) The IETF Trust (2008).
	Abstract		Abstract
	Interactive Connectivity Establishment (ICE) defines an extension to		Interactive Connectivity Establishment (ICE) defines an extension to
	the offer/answer model used by the Session Initiation Protocol (SIP).		the offer/answer model used by the Session Initiation Protocol (SIP).
	This extension allows endpoints to traverse firewalls and NATs.		This extension allows endpoints to traverse firewalls and NATs.
	However, in cases where highly restrictive firewalls exist, or where		However, in cases where highly restrictive firewalls exist, or where
	network failures have occurred, ICE may not be able to successfully		network failures have occurred, ICE may not be able to successfully
	find a media path. This document provides an error response code		find a media path. This document provides an error response code
	that can be used with SIP in these cases.		that can be used with SIP in these cases.
	skipping to change at page 7, line 7 ¶		skipping to change at page 7, line 7 ¶
	Schooler, "SIP: Session Initiation Protocol", RFC 3261,		Schooler, "SIP: Session Initiation Protocol", RFC 3261,
	June 2002.		June 2002.
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119, March 1997.		Requirement Levels", BCP 14, RFC 2119, March 1997.
	[I-D.ietf-mmusic-ice]		[I-D.ietf-mmusic-ice]
	Rosenberg, J., "Interactive Connectivity Establishment		Rosenberg, J., "Interactive Connectivity Establishment
	(ICE): A Protocol for Network Address Translator (NAT)		(ICE): A Protocol for Network Address Translator (NAT)
	Traversal for Offer/Answer Protocols",		Traversal for Offer/Answer Protocols",
	draft-ietf-mmusic-ice-17 (work in progress), July 2007.		draft-ietf-mmusic-ice-19 (work in progress), October 2007.
	[RFC3264] Rosenberg, J. and H. Schulzrinne, "An Offer/Answer Model		[RFC3264] Rosenberg, J. and H. Schulzrinne, "An Offer/Answer Model
	with Session Description Protocol (SDP)", RFC 3264,		with Session Description Protocol (SDP)", RFC 3264,
	June 2002.		June 2002.
	[RFC4566] Handley, M., Jacobson, V., and C. Perkins, "SDP: Session		[RFC4566] Handley, M., Jacobson, V., and C. Perkins, "SDP: Session
	Description Protocol", RFC 4566, July 2006.		Description Protocol", RFC 4566, July 2006.
	[I-D.ietf-behave-rfc3489bis]		[I-D.ietf-behave-rfc3489bis]
	Rosenberg, J., Huitema, C., Mahy, R., Matthews, P., and D.		Rosenberg, J., Mahy, R., Matthews, P., and D. Wing,
	Wing, "Session Traversal Utilities for (NAT) (STUN)",		"Session Traversal Utilities for (NAT) (STUN)",
	draft-ietf-behave-rfc3489bis-08 (work in progress),		draft-ietf-behave-rfc3489bis-14 (work in progress),
	July 2007.		February 2008.
	[RFC3326] Schulzrinne, H., Oran, D., and G. Camarillo, "The Reason		[RFC3326] Schulzrinne, H., Oran, D., and G. Camarillo, "The Reason
	Header Field for the Session Initiation Protocol (SIP)",		Header Field for the Session Initiation Protocol (SIP)",
	RFC 3326, December 2002.		RFC 3326, December 2002.
	9.2. Informative References		9.2. Informative References
	[I-D.ietf-mmusic-ice-tcp]		[I-D.ietf-mmusic-ice-tcp]
	Rosenberg, J., "TCP Candidates with Interactive		Rosenberg, J., "TCP Candidates with Interactive
	Connectivity Establishment (ICE",		Connectivity Establishment (ICE)",
	draft-ietf-mmusic-ice-tcp-04 (work in progress),		draft-ietf-mmusic-ice-tcp-05 (work in progress),
	July 2007.		November 2007.
	Author's Address		Author's Address
	Jonathan Rosenberg		Jonathan Rosenberg
	Cisco		Cisco
	Edison, NJ		Edison, NJ
	US		US
	Phone: +1 973 952-5000		Phone: +1 973 952-5000
	Email: jdrosen@cisco.com		Email: jdrosen@cisco.com
	URI: http://www.jdrosen.net		URI: http://www.jdrosen.net
	Full Copyright Statement		Full Copyright Statement
	Copyright (C) The IETF Trust (2007).		Copyright (C) The IETF Trust (2008).
	This document is subject to the rights, licenses and restrictions		This document is subject to the rights, licenses and restrictions
	contained in BCP 78, and except as set forth therein, the authors		contained in BCP 78, and except as set forth therein, the authors
	retain all their rights.		retain all their rights.
	This document and the information contained herein are provided on an		This document and the information contained herein are provided on an
	"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS		"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
	OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST AND		OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY, THE IETF TRUST AND
	THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS		THE INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS
	OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF		OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
End of changes. 8 change blocks.
	14 lines changed or deleted		14 lines changed or added
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