< draft-ietf-vpim-vpimv2r2-32k-02.txt		draft-ietf-vpim-vpimv2r2-32k-03.txt >
	Network Working Group Greg Vaudreuil		Network Working Group Greg Vaudreuil
	Internet Draft Lucent Technologies		Internet Draft Lucent Technologies
	Expires in six months Glenn Parsons		Expires in six months Glenn Parsons
	Obsoletes: RFC 2422 Nortel Networks		Obsoletes: RFC 2422 Nortel Networks
	October 22, 2001		February 14, 2002
	Toll Quality Voice - 32 kbit/s ADPCM		Toll Quality Voice - 32 kbit/s ADPCM
	MIME Sub-type Registration		MIME Sub-type Registration
	<draft-ietf-vpim-vpimv2r2-32k-02.txt>		<draft-ietf-vpim-vpimv2r2-32k-03.txt>
	Status of this Memo		Status of this Memo
	This document is an Internet-Draft and is in full conformance with		This document is an Internet-Draft and is in full conformance with
	all provisions of Section 10 of RFC2026.		all provisions of Section 10 of RFC2026.
	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
	other groups may also distribute working documents as Internet-		other groups may also distribute working documents as Internet-
	Drafts. Internet-Drafts are draft documents valid for a maximum of		Drafts. Internet-Drafts are draft documents valid for a maximum of
	skipping to change at page 2, line ? ¶		skipping to change at page 2, line ? ¶
	This document is an Internet-Draft and is in full conformance with		This document is an Internet-Draft and is in full conformance with
	This document describes the registration of the MIME sub-type		This document describes the registration of the MIME sub-type
	audio/32KADPCM for toll quality audio. This audio encoding is		audio/32KADPCM for toll quality audio. This audio encoding is
	defined by the ITU-T in Recommendation G.726.		defined by the ITU-T in Recommendation G.726.
	This document obsoletes RFC 2422.		This document obsoletes RFC 2422.
	Copyright Notice		Copyright Notice
	Copyright (C) The Internet Society (2001). All Rights Reserved.		Copyright (C) The Internet Society (2002). All Rights Reserved.
	1. Introduction		1. Introduction
	This document describes the registration of the MIME sub-type		This document describes the registration of the MIME sub-type
	audio/32KADPCM for toll quality audio. This audio encoding is		audio/32KADPCM for toll quality audio. This audio encoding is
	defined by the ITU-T in Recommendation G.726. This document		defined by the ITU-T in Recommendation G.726. This document
	obsoletes an earlier sub-type registration contained in RFC 1911.		obsoletes an earlier sub-type registration contained in RFC 1911.
	This document also obsoletes RFC 2422.		This document also obsoletes RFC 2422.
	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",		The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
	skipping to change at page 4, line 34 ¶		skipping to change at page 4, line 34 ¶
	octet. It is preferred that the voice sample be extended		octet. It is preferred that the voice sample be extended
	with silence such that the encoded value comprises an even		with silence such that the encoded value comprises an even
	number of code words. However, if the voice sample		number of code words. However, if the voice sample
	comprises an odd number of code words, then the last code		comprises an odd number of code words, then the last code
	word shall be discarded.		word shall be discarded.
	+--+--+--+--+--+--+--+--+		+--+--+--+--+--+--+--+--+
	|B3|B2|B1|B0|A3|A2|A1|A0|		|B3|B2|B1|B0|A3|A2|A1|A0|
	+--+--+--+--+--+--+--+--+		+--+--+--+--+--+--+--+--+
	MSB -> | 7| 6| 5| 4| 3| 2| 1| 0| <- LSB		MSB -> | 7| 6| 5| 4| 3| 2| 1| 0| <- LSB
	+--+-- --		+--+--+--+--+--+--+--+--+
	32K ADPCM / Octet Mapping		32K ADPCM / Octet Mapping
	Person & email address to contact for further information:		Person & email address to contact for further information:
	Glenn W. Parsons		Glenn W. Parsons
	gparsons@NortelNetworks.com		gparsons@NortelNetworks.com
	Gregory M. Vaudreuil		Gregory M. Vaudreuil
	GregV@ieee.org		GregV@ieee.org
	Intended usage: COMMON		Intended usage: COMMON
	Author/Change controller:		Author/Change controller:
	Glenn W. Parsons & Gregory M. Vaudreuil		Glenn W. Parsons & Gregory M. Vaudreuil
	4. Security Considerations		4. Security Considerations
	There are no known security risks with the sending or playing of raw		There are no known security risks with the sending or playing of raw
	audio data Audio data is typically interpreted only by an audio		audio data Audio data is typically interpreted only by an audio
	codec. Unintended information introduced into the data stream will		codec. Unintended information introduced into the data stream will
	result in noise.		result in noise.
	5. Authors' Addresses		5. Authors' Addresses
	Glenn W. Parsons		Glenn W. Parsons
	Nortel Networks		Nortel Networks
	skipping to change at page 6, line 11 ¶		skipping to change at page 6, line 11 ¶
	[VPIM2R2] Vaudreuil, G., and G. Parsons, "Voice Profile for Internet		[VPIM2R2] Vaudreuil, G., and G. Parsons, "Voice Profile for Internet
	Mail - version 2", <draft-ietf-vpim-vpimv2r2-04.txt>, October		Mail - version 2", <draft-ietf-vpim-vpimv2r2-04.txt>, October
	22, 2001.		22, 2001.
	[X420] ITU-T Recommendation X.420 (1996) - ISO/IEC 10021-7:1996,		[X420] ITU-T Recommendation X.420 (1996) - ISO/IEC 10021-7:1996,
	Message handling systems: Interpersonal messaging.		Message handling systems: Interpersonal messaging.
	[REQ] S. Bradner, "Key words for use in RFCs to Indicate Requirement		[REQ] S. Bradner, "Key words for use in RFCs to Indicate Requirement
	Levels", RFC 2119, March 1997.		Levels", RFC 2119, March 1997.
	7. Full Copyright Statement		7. Changes from RFC 2422
	Copyright (C) The Internet Society (2001). All Rights Reserved.		Only editoral and boilerplate changes from RFC 2424 have been made
			to this document.
			8. Full Copyright Statement
			Copyright (C) The Internet Society (2002). All Rights Reserved.
	This document and translations of it may be copied and furnished to		This document and translations of it may be copied and furnished to
	others, and derivative works that comment on or otherwise explain		others, and derivative works that comment on or otherwise explain
	it or assist in its implementation may be prepared, copied,		it or assist in its implementation may be prepared, copied,
	published and distributed, in whole or in part, without restriction		published and distributed, in whole or in part, without restriction
	of any kind, provided that the above copyright notice and this		of any kind, provided that the above copyright notice and this
	paragraph are included on all such copies and derivative works.		paragraph are included on all such copies and derivative works.
	However, this document itself may not be modified in any way, such		However, this document itself may not be modified in any way, such
	as by removing the copyright notice or references to the Internet		as by removing the copyright notice or references to the Internet
	Society or other Internet organizations, except as needed for the		Society or other Internet organizations, except as needed for the
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	7 lines changed or deleted		12 lines changed or added
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