Movatterモバイル変換

Session Description Protocol (SDP) Parameters

Created: 2001-06-15
Last Updated: 2025-03-28
Available Formats

Registries Included Below

media

Registration Procedure(s)

Standards Action

Reference

[RFC8866]

Available Formats

CSV

Type	SDP Name	Reference
media	audio	[RFC8866]
media	video	[RFC8866]
media	text	[RFC8866]
media	application	[RFC8866]
media	message	[RFC8866]
media	image	[RFC6466]

proto

Registration Procedure(s)

RFC Required

Reference

[RFC8866]

Note

Standards Track RFC preferred.

Available Formats

CSV

Type	SDP Name	Reference
proto	RTP/AVP	[RFC8866]
proto	udp	[RFC8866]
proto	vat	[1]
proto	rtp	[1]
proto	udptl	[ITU-T Recommendation T.38, 'Procedures for real-timeGroup 3 facsimile communication over IP networks', June 1998. (Section 9)]
proto	TCP	[RFC4145]
proto	RTP/AVPF	[RFC4585]
proto	TCP/RTP/AVP	[RFC4571]
proto	RTP/SAVP	[RFC3711]
proto	TCP/BFCP	[RFC8856]
proto	TCP/TLS/BFCP	[RFC8856]
proto	TCP/TLS	[RFC8122]
proto	FLUTE/UDP	[RFC-mehta-rmt-flute-sdp-05]
proto	TCP/MSRP	[RFC4975]
proto	TCP/TLS/MSRP	[RFC4975]
proto	DCCP	[RFC5762]
proto	DCCP/RTP/AVP	[RFC5762]
proto	DCCP/RTP/SAVP	[RFC5762]
proto	DCCP/RTP/AVPF	[RFC5762]
proto	DCCP/RTP/SAVPF	[RFC5762]
proto	RTP/SAVPF	[RFC5124]
proto	UDP/TLS/RTP/SAVP	[RFC5764]
proto	DCCP/TLS/RTP/SAVP	[RFC5764]
proto	UDP/TLS/RTP/SAVPF	[RFC5764]
proto	DCCP/TLS/RTP/SAVPF	[RFC5764]
proto	UDP/MBMS-FEC/RTP/AVP	[RFC6064]
proto	UDP/MBMS-FEC/RTP/SAVP	[RFC6064]
proto	UDP/MBMS-REPAIR	[RFC6064]
proto	FEC/UDP	[RFC6364]
proto	UDP/FEC	[RFC6364]
proto	TCP/MRCPv2	[RFC6787]
proto	TCP/TLS/MRCPv2	[RFC6787]
proto	PSTN	[RFC7195]
proto	UDP/TLS/UDPTL	[RFC7345]
proto	voice	[RFC2848]
proto	fax	[RFC2848]
proto	pager	[RFC2848]
proto	TCP/RTP/AVPF	[RFC7850]
proto	TCP/RTP/SAVP	[RFC7850]
proto	TCP/RTP/SAVPF	[RFC7850]
proto	TCP/DTLS/RTP/SAVP	[RFC7850]
proto	TCP/DTLS/RTP/SAVPF	[RFC7850]
proto	TCP/TLS/RTP/AVP	[RFC7850]
proto	TCP/TLS/RTP/AVPF	[RFC7850]
proto	TCP/WS/BFCP	[RFC8857]
proto	TCP/WSS/BFCP	[RFC8857]
proto	UDP/DTLS/SCTP	[RFC8841]
proto	TCP/DTLS/SCTP	[RFC8841]
proto	TCP/DTLS/BFCP	[RFC8856]
proto	UDP/BFCP	[RFC8856]
proto	UDP/TLS/BFCP	[RFC8856]

bwtype

Registration Procedure(s)

Standards Action

Reference

[RFC8866][RFC8859]

Available Formats

CSV

Type	SDP Name	Mux Category	Reference
bwtype	CT	NORMAL	[RFC8866][RFC8859]
bwtype	AS	SUM	[RFC8866][RFC8859]
bwtype	RS	SUM	[RFC3556][RFC8859]
bwtype	RR	SUM	[RFC3556][RFC8859]
bwtype	TIAS	SPECIAL	[RFC3890][RFC8859]

nettype

Registration Procedure(s)

RFC Required

Reference

[RFC8866]

Available Formats

CSV

Type	SDP Name	Usable addrtype Values	Reference
nettype	IN	IP4, IP6	[RFC8866]
nettype	TN	RFC2543	[RFC2848]
nettype	ATM	NSAP, GWID, E164	[RFC3108]
nettype	PSTN	E164	[RFC7195]

addrtype

Registration Procedure(s)

RFC Required

Reference

[RFC8866]

Available Formats

CSV

Type	SDP Name	Reference
addrtype	IP4	[RFC8866]
addrtype	IP6	[RFC8866]
addrtype	NSAP	[RFC3108]
addrtype	GWID	[RFC3108]
addrtype	E164	[RFC7195][RFC3108]

enckey

Registration Procedure(s)

REGISTRY OBSOLETED - No further registrations accepted

Reference

[RFC8866]

Available Formats

CSV

Type	SDP Name	Reference
enckey	clear	[RFC8866]
enckey	base64	[RFC8866]
enckey	uri	[RFC8866]
enckey	prompt	[RFC8866]

attribute-name (formerly "att-field")

Registration Procedure(s)

Specification Required

Expert(s)

Flemming Andreasen

Reference

[RFC8866][RFC8864][RFC8859]

Available Formats

CSV

Type	SDP Name	Usage Level	Mux Category	Reference
attribute	3ge2ae	media	IDENTICAL	[3GPP TS 24.229 12.14.0][Frederic_Firmin]
attribute	3gpp_MaxRecvSDUSize	session, media	NORMAL	[3GPP TS 26.114 v16.3.0][_3GPP_Specifications_Manager]
attribute	3gpp_mtsi_app_adapt	media	IDENTICAL-PER-PT	[3GPP TS 26.114 v16.3.0][Ozgur_Oyman]
attribute	3gpp_sync_info	session, media	NORMAL	[3GPP TS 26.114 v16.3.0][_3GPP_Specifications_Manager]
attribute	3GPP-Adaptation-Support	media	CAUTION	[RFC6064][RFC8859]
attribute	3GPP-Asset-Information	session, media	CAUTION	[RFC6064][RFC8859]
attribute	3GPP-Integrity-Key	session	CAUTION	[RFC6064][RFC8859]
attribute	3GPP-QoE-Metrics	session, media	CAUTION	[RFC6064][RFC8859]
attribute	3GPP-SDP-Auth	session	CAUTION	[RFC6064][RFC8859]
attribute	3GPP-SRTP-Config	media	CAUTION	[RFC6064][RFC8859]
attribute	3gpp-videopostdecbufsize	media	CAUTION	[RFC6064][RFC8859]
attribute	3gpp.iut.replication	session, media	TBD	[3GPP TS 24.337 10.7.0][Frederic_Firmin][RFC8859]
attribute	aal2CPS	media	CAUTION	[RFC3108][RFC8859]
attribute	aal2CPSSDUrate	media	CAUTION	[RFC3108][RFC8859]
attribute	aal2sscs3661assured	media	CAUTION	[RFC3108][RFC8859]
attribute	aal2sscs3661unassured	media	CAUTION	[RFC3108][RFC8859]
attribute	aal2sscs3662	media	CAUTION	[RFC3108][RFC8859]
attribute	aal5sscop	media	CAUTION	[RFC3108][RFC8859]
attribute	aalApp	media	CAUTION	[RFC3108][RFC8859]
attribute	aalType	media	CAUTION	[RFC3108][RFC8859]
attribute	abrParms	media	CAUTION	[RFC3108][RFC8859]
attribute	abrSetup	media	CAUTION	[RFC3108][RFC8859]
attribute	acap	session, media	INHERIT	[RFC5939][RFC8859]
attribute	accept-types	media, dcsa (msrp)	TBD	[RFC4975][RFC8859][RFC8873]
attribute	accept-wrapped-types	media, dcsa (msrp)	TBD	[RFC4975][RFC8859][RFC8873]
attribute	acfg	media	SPECIAL	[RFC5939][RFC8859]
attribute	alt	media	CAUTION	[RFC6064][RFC8859]
attribute	alt-default-id	media	CAUTION	[RFC6064][RFC8859]
attribute	alt-group	session	CAUTION	[RFC6064][RFC8859]
attribute	altc	media	TRANSPORT	[RFC6947][RFC8859]
attribute	anbr	media	IDENTICAL	[3GPP TS 26.114 v16.3.0][Ozgur_Oyman]
attribute	anycast	media	CAUTION	[RFC3108][RFC8859]
attribute	atmmap	media	CAUTION	[RFC3108][RFC8859]
attribute	atmQOSparms	media	CAUTION	[RFC3108][RFC8859]
attribute	atmTrfcDesc	media	CAUTION	[RFC3108][RFC8859]
attribute	bc_program	session	NORMAL	[Sonia_Compans][TS 183 063 R3 ETSI TISPAN Technical Specification TS 183 063"Telecommunications and Internet converged Services and Protocols forAdvanced Networking (TISPAN); IMS-based IPTV stage 3 specification"][RFC8859]
attribute	bc_service	session	NORMAL	[Sonia_Compans][TS 183 063 R3 ETSI TISPAN Technical Specification TS 183 063"Telecommunications and Internet converged Services and Protocols forAdvanced Networking (TISPAN); IMS-based IPTV stage 3 specification"][RFC8859]
attribute	bc_service_package	session	NORMAL	[Sonia_Compans][TS 183 063 R3 ETSI TISPAN Technical Specification TS 183 063"Telecommunications and Internet converged Services and Protocols forAdvanced Networking (TISPAN); IMS-based IPTV stage 3 specification"][RFC8859]
attribute	bcap	session, media	INHERIT	[RFC7006][RFC8859]
attribute	bcastversion	session	NORMAL	[RFC5159][RFC8859]
attribute	bcob	media	CAUTION	[RFC3108][RFC8859]
attribute	bearerSigIE	media	CAUTION	[RFC3108][RFC8859]
attribute	bearerType	media	CAUTION	[RFC3108][RFC8859]
attribute	bfcpver	media	TBD	[RFC8856]
attribute	bundle-only	media	NORMAL	[RFC9143]
attribute	bw-info	media	IDENTICAL-PER-PT	[3GPP TS 26.114 v16.3.0][Ozgur_Oyman]
attribute	cache	media	CAUTION	[RFC3108][RFC8859]
attribute	calgextmap	session, media	NORMAL	[RFC7266][RFC8859]
attribute	candidate	media	TRANSPORT	[RFC8839][RFC8859]
attribute	capability	media	CAUTION	[RFC3108][RFC8859]
attribute	cat	session	NORMAL	[RFC8866][RFC8859]
attribute	cbrRate	media	CAUTION	[RFC3108][RFC8859]
attribute	ccap	session, media	IDENTICAL	[RFC7006][RFC8859]
attribute	ccc_list	session	NORMAL	[3GPP TS 26.114 v16.3.0][_3GPP_Specifications_Manager]
attribute	cdsc	session, media	NORMAL	[RFC3407][RFC8859]
attribute	cfw-id	media	NORMAL	[RFC6230][RFC8859]
attribute	chain	media	CAUTION	[RFC3108][RFC8859]
attribute	channel	media	NORMAL	[RFC6787][RFC8859]
attribute	charset	session	NORMAL	[RFC8866][RFC8859]
attribute	charset:iso8895-1	session	NORMAL	[RFC8866][RFC8859]
attribute	chatroom	media	TBD	[RFC7701][RFC8859]
attribute	clir	session, media	TBD	[RFC2848][RFC8859]
attribute	clkrec	media	CAUTION	[RFC3108][RFC8859]
attribute	cmid	media	NORMAL	[RFC6787][RFC8859]
attribute	cname	source	NORMAL	[RFC5576][RFC8859]
attribute	codecconfig	media	CAUTION	[RFC3108][RFC8859]
attribute	conf	media	CAUTION	[RFC3312][RFC8859]
attribute	confid	media	TBD	[RFC8856][RFC8859]
attribute	connection	session, media	TRANSPORT	[RFC4145][RFC8859]
attribute	content	media	NORMAL	[RFC4796][RFC8859]
attribute	content-desc	session, media	TBD	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
attribute	control	session, media	CAUTION	[RFC2326][RFC7826][RFC8859]
attribute	cpar	session, media	INHERIT	[RFC3407][RFC8859]
attribute	cparmax	session, media	SPECIAL	[RFC3407][RFC8859]
attribute	cparmin	session, media	SPECIAL	[RFC3407][RFC8859]
attribute	cpsSDUsize	media	CAUTION	[RFC3108][RFC8859]
attribute	creq	session, media	NORMAL	[RFC5939][RFC8859]
attribute	cryptex	session, media	TRANSPORT	[RFC9335]
attribute	crypto	media	TRANSPORT	[RFC4568][RFC8859]
attribute	cs-correlation	media	TBD	[RFC7195][RFC8859]
attribute	csup	session, media	NORMAL	[RFC5939][RFC8859]
attribute	curr	media	CAUTION	[RFC3312][RFC8859]
attribute	dccp-port	media	CAUTION	[RFC6773][RFC8859]
attribute	dccp-service-code	media	CAUTION	[RFC5762][RFC8859]
attribute	dcmap	media	SPECIAL	[RFC8864]
attribute	dcsa	media	SPECIAL	[RFC8864]
attribute	depend	media	IDENTICAL-PER-PT	[RFC5583][RFC8859]
attribute	des	media	CAUTION	[RFC3312][RFC8859]
attribute	dsel	media	CAUTION	[RFC3108][RFC8859]
attribute	duplication-delay	session, media	NORMAL	[RFC7197][RFC8859]
attribute	ebuacip	media	TBD	[EBU Tech 3368 - Audio Contribution over IP – Profiles][Felix_Poulin][RFC8859]
attribute	ecan	media	CAUTION	[RFC3108][RFC8859]
attribute	ecn-capable-rtp	media	IDENTICAL	[RFC6679][RFC8859]
attribute	eecid	media	CAUTION	[RFC3108][RFC8859]
attribute	end-of-candidates	session, media	IDENTICAL	[RFC8840]
attribute	etag	session, media	CAUTION	[RFC2326][RFC8859]
attribute	extmap	session, media	SPECIAL	[RFC8285][RFC8859]
attribute	extmap-allow-mixed	session, media	IDENTICAL	[RFC8285]
attribute	fec	media	CAUTION	[RFC3108][RFC8859]
attribute	FEC	media	NORMAL	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
attribute	FEC-declaration	session, media	TBD	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
attribute	FEC-OTI-extension	session, media	TBD	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
attribute	fec-repair-flow	media	SPECIAL	[RFC6364][RFC8859]
attribute	fec-source-flow	media	SPECIAL	[RFC6364][RFC8859]
attribute	file-date	media, dcsa (msrp)	TBD	[RFC5547][RFC8859][RFC8873]
attribute	file-disposition	media, dcsa (msrp)	TBD	[RFC5547][RFC8859][RFC8873]
attribute	file-icon	media, dcsa (msrp)	TBD	[RFC5547][RFC8859][RFC8873]
attribute	file-range	media, dcsa (msrp)	TBD	[RFC5547][RFC8859][RFC8873]
attribute	file-selector	media, dcsa (msrp)	TBD	[RFC5547][RFC8859][RFC8873]
attribute	file-transfer-id	media, dcsa (msrp)	TBD	[RFC5547][RFC8859][RFC8873]
attribute	fingerprint	session, media	TRANSPORT	[RFC8122][RFC8859]
attribute	floorctrl	media	TBD	[RFC8856][RFC8859]
attribute	floorid	media	TBD	[RFC8856][RFC8859]
attribute	flute-ch	session, media	TBD	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
attribute	flute-tsi	session, media	TBD	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
attribute	fmtp	media, source, dcsa (t140)	IDENTICAL-PER-PT	[RFC5576][RFC8866][RFC8859][RFC8865]
attribute	framerate	media	IDENTICAL-PER-PT	[RFC8866][RFC8859]
attribute	framesize	media	CAUTION	[RFC6064][RFC8859]
attribute	fsel	media	CAUTION	[RFC3108][RFC8859]
attribute	gc	media	CAUTION	[RFC3108][RFC8859]
attribute	gpmd	media	TBD	[ITU-T Rec. V.150.1][ITU-T Rec. V.152][Simao_Campos-Neto]
attribute	group	session	NORMAL	[RFC5888][RFC8859]
attribute	h248item	session, media	SPECIAL	[ITU-T H.248.15][RFC8859]
attribute	hlang-recv	media, dcsa (t140)	NORMAL	[RFC8373][RFC8865]
attribute	hlang-send	media, dcsa (t140)	NORMAL	[RFC8373][RFC8865]
attribute	icap	session, media	NORMAL	[RFC7006][RFC8859]
attribute	ice-lite	session	NORMAL	[RFC8839][RFC8859]
attribute	ice-mismatch	media	NORMAL	[RFC8839][RFC8859]
attribute	ice-options	session	NORMAL	[RFC8839][RFC8859]
attribute	ice-pacing	session	NORMAL	[RFC8839]
attribute	ice-pwd	session, media	TRANSPORT	[RFC8839][RFC8859]
attribute	ice-ufrag	session, media	TRANSPORT	[RFC8839][RFC8859]
attribute	identity	session	NORMAL	[RFC8827]
attribute	ike-setup	session, media	IDENTICAL	[RFC6193][RFC8859]
attribute	imageattr	media	IDENTICAL-PER-PT	[RFC6236][RFC8859]
attribute	inactive	session, media, dcsa (t140), dcsa (msrp)	NORMAL	[RFC8866][RFC8859][RFC8865][RFC8873]
attribute	ipbcp	session	SPECIAL	[ITU-T Recommendation Q.1970, "BICC IP bearer controlprotocol" (07/2001)][RFC8859]
attribute	isup_usi	media	CAUTION	[RFC3108][RFC8859]
attribute	key-mgmt	session, media	IDENTICAL	[RFC4567][RFC8859]
attribute	keywds	session	NORMAL	[RFC8866][RFC8859]
attribute	label	media	NORMAL	[RFC4574][RFC8859]
attribute	lang	session, media	NORMAL	[RFC8866][RFC8859]
attribute	lcfg	media	SPECIAL	[RFC6871][RFC8859]
attribute	lij	media	CAUTION	[RFC3108][RFC8859]
attribute	loopback	media	NORMAL	[RFC6849][RFC8859]
attribute	loopback-mirror	media	NORMAL	[RFC6849][RFC8859]
attribute	loopback-source	media	NORMAL	[RFC6849][RFC8859]
attribute	max-message-size	media	CAUTION	[RFC8841]
attribute	max-size	media, dcsa (msrp)	TBD	[RFC4975][RFC8859][RFC8873]
attribute	maxmptime	media	TBD	[ITU-T Recommendation V.152 "Procedures for supporting voice-band data over IP networks", September 2010][Simao_Campos-Neto]
attribute	maxprate	session, media	SPECIAL	[RFC3890][RFC8859]
attribute	maxptime	media	IDENTICAL-PER-PT	[RFC8866][RFC8859]
attribute	mbms-flowid	media	CAUTION	[RFC6064][RFC8859]
attribute	mbms-mode	session, media	CAUTION	[RFC6064][RFC8859]
attribute	mbms-repair	session, media	CAUTION	[RFC6064][RFC8859]
attribute	mediaclk	session, media, source	NORMAL	[RFC7273][RFC8859]
attribute	mfcap	session, media	IDENTICAL-PER-PT	[RFC6871][RFC8859]
attribute	mid	media	NORMAL	[RFC5888][RFC8859]
attribute	mscap	session, media	INHERIT	[RFC6871][RFC8859]
attribute	msid	media	NORMAL	[RFC8830]
attribute	msrp-cema	media, dcsa (msrp)	TBD	[RFC6714][RFC8859][RFC8873]
attribute	mtag	session, media	CAUTION	[RFC7826][RFC8859]
attribute	multicast-rtcp	session, media	IDENTICAL	[RFC6128][RFC8859]
attribute	omcap	session, media	NORMAL	[RFC6871][RFC8859]
attribute	omr-codecs	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	omr-m-att	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	omr-m-bw	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	omr-m-cksum	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	omr-s-att	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	omr-s-bw	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	omr-s-cksum	media	NORMAL	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	onewaySel	media	CAUTION	[RFC3108][RFC8859]
attribute	orient	media	NORMAL	[RFC8866][RFC8859]
attribute	orient:landscape	media	NORMAL	[RFC8866][RFC8859]
attribute	orient:portrait	media	NORMAL	[RFC8866][RFC8859]
attribute	orient:seascape	media	NORMAL	[RFC8866][RFC8859]
attribute	path	media, dcsa (msrp)	TBD	[RFC4975][RFC8859][RFC8873]
attribute	pcfg	media	SPECIAL	[RFC5939][RFC8859]
attribute	phone-context	session, media	TBD	[RFC2848][RFC8859]
attribute	pmft	media	TBD	[ITU-T Recommendation V.152 "Procedures for supporting voice-band data over IP networks", September 2010][Simao_Campos-Neto]
attribute	portmapping-req	media	CAUTION	[RFC6284][RFC8859]
attribute	predefined_ROI	media	IDENTICAL-PER-PT	[3GPP TS 26.114 v16.3.0][_3GPP_Specifications_Manager]
attribute	previous-ssrc	source	NORMAL	[RFC5576][RFC8859]
attribute	profileDesc	media	CAUTION	[RFC3108][RFC8859]
attribute	prtfl	media	CAUTION	[RFC3108][RFC8859]
attribute	PSCid	session	NORMAL	[Sonia_Compans][TS 183 063 R3 ETSI TISPAN Technical Specification TS 183 063 "Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IMS-based IPTV stage 3 specification"][RFC8859]
attribute	psk-fingerprint	session, media	IDENTICAL	[RFC6193][RFC8859]
attribute	ptime	media	IDENTICAL-PER-PT	[RFC8866][RFC8859]
attribute	Q763-INN	session, media	TBD	[RFC2848][RFC8859]
attribute	Q763-nature	session, media	TBD	[RFC2848][RFC8859]
attribute	Q763-plan	session, media	TBD	[RFC2848][RFC8859]
attribute	qos-mech-recv	session, media	TRANSPORT	[RFC5432][RFC8859]
attribute	qos-mech-send	session, media	TRANSPORT	[RFC5432][RFC8859]
attribute	qosClass	media	CAUTION	[RFC3108][RFC8859]
attribute	quality	media	NORMAL	[RFC8866][RFC8859]
attribute	rams-updates	media	CAUTION	[RFC6285][RFC8859]
attribute	range	session, media	CAUTION	[RFC2326][RFC7826][RFC8859]
attribute	record	session, media	TBD	[RFC7866][RFC8859]
attribute	recordpref	session, media	TBD	[RFC7866][RFC8859]
attribute	recvonly	session, media, dcsa (t140), dcsa (msrp)	NORMAL	[RFC8866][RFC8859][RFC8865][RFC8873]
attribute	remote-candidates	media	TRANSPORT	[RFC8839][RFC8859]
attribute	repair-window	media	SPECIAL	[RFC6364][RFC8859]
attribute	require	session, media	TBD	[RFC2848][RFC8859]
attribute	resource	media	NORMAL	[RFC6787][RFC8859]
attribute	rid	media	SPECIAL	[RFC8851]
attribute	rmcap	session, media	IDENTICAL-PER-PT	[RFC6871][RFC8859]
attribute	rtcp	media	TRANSPORT	[RFC3605][RFC8859]
attribute	rtcp-fb	media	IDENTICAL-PER-PT	[RFC4585][RFC8859]
attribute	rtcp-idms	media	NORMAL	[RFC7272][RFC8859]
attribute	rtcp-mux	media	IDENTICAL	[RFC5761][RFC8035][RFC8859]
attribute	rtcp-mux-only	media	IDENTICAL	[RFC8858]
attribute	rtcp-rgrp	session, media	IDENTICAL	[RFC8861][RFC8859]
attribute	rtcp-rsize	media	IDENTICAL	[RFC5506][RFC8859]
attribute	rtcp-unicast	media	IDENTICAL	[RFC5760][RFC8859]
attribute	rtcp-xr	session, media	NORMAL	[RFC3611][RFC8859]
attribute	rtpmap	media	IDENTICAL-PER-PT	[RFC8866][RFC8859]
attribute	rtpred1	media	CAUTION	[2][RFC8859]
attribute	rtpred2	media	CAUTION	[2][RFC8859]
attribute	rtsp-ice-d-m	session	TBD	[RFC7825][RFC8859]
attribute	rtt-mixer	media	NORMAL	[RFC9071, Section 2.3]
attribute	sbc	media	CAUTION	[RFC3108][RFC8859]
attribute	sctp-port	media	CAUTION	[RFC8841]
attribute	sdplang	session, media	NORMAL	[RFC8866][RFC8859]
attribute	secondary-realm	media	TRANSPORT	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	sendonly	session, media, dcsa (t140), dcsa (msrp)	NORMAL	[RFC8866][RFC8859][RFC8865][RFC8873]
attribute	sendrecv	session, media, dcsa (t140), dcsa (msrp)	NORMAL	[RFC8866][RFC8859][RFC8865][RFC8873]
attribute	sescap	session	CAUTION	[RFC6871][RFC8859]
attribute	setup	session, media, dcsa (msrp)	TRANSPORT	[RFC4145][RFC8859][RFC8873]
attribute	silenceSupp	media	CAUTION	[RFC3108][RFC8859]
attribute	simulcast	media	NORMAL	[RFC8853]
attribute	source-filter	session, media	IDENTICAL	[RFC4570][RFC8859]
attribute	sqn	session, media	NORMAL	[RFC3407][RFC8859]
attribute	SRTPAuthentication	media	TBD	[RFC5159][RFC8859]
attribute	SRTPROCTxRate	media	TBD	[RFC5159][RFC8859]
attribute	ssrc	media	NORMAL	[RFC5576][RFC8859]
attribute	ssrc-group	media	NORMAL	[RFC5576][RFC8859]
attribute	stc	media	CAUTION	[RFC3108][RFC8859]
attribute	stkmstream	session, media	NORMAL	[RFC5159][RFC8859]
attribute	structure	media	CAUTION	[RFC3108][RFC8859]
attribute	suspended	session, media	TBD	[NENA STA-010.2-2016][Brian_Rosen][RFC8859]
attribute	T38FaxFillBitRemoval	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxMaxBuffer	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxMaxDatagram	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxMaxIFP	media	TBD	[ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC8859]
attribute	T38FaxRateManagement	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxTranscodingJBIG	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxTranscodingMMR	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxUdpEC	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38FaxUdpECDepth	media	TBD	[ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC8859]
attribute	T38FaxUdpFECMaxSpan	media	TBD	[ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC8859]
attribute	T38FaxVersion	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38MaxBitRate	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC8859]
attribute	T38ModemType	media	TBD	[ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC8859]
attribute	T38VendorInfo	media	TBD	[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.][RFC8859]
attribute	tcap	session, media	INHERIT	[RFC5939][RFC8859]
attribute	tls-id	media	IDENTICAL	[RFC8842]
attribute	tool	session	NORMAL	[RFC8866][RFC8859]
attribute	tra-att	session, media	NORMAL	[http://www.3gpp.org/ftp/Specs/html-info/24229.htm][http://www.3gpp.org/ftp/Specs/html-info/24371.htm]
attribute	tra-bw	session, media	NORMAL	[http://www.3gpp.org/ftp/Specs/html-info/24229.htm][http://www.3gpp.org/ftp/Specs/html-info/24371.htm]
attribute	tra-contact	session, media	NORMAL	[http://www.3gpp.org/ftp/Specs/html-info/24229.htm][http://www.3gpp.org/ftp/Specs/html-info/24371.htm]
attribute	tra-m-line	media	NORMAL	[http://www.3gpp.org/ftp/Specs/html-info/24229.htm][http://www.3gpp.org/ftp/Specs/html-info/24371.htm]
attribute	tra-media-line-number	session	NORMAL	[http://www.3gpp.org/ftp/Specs/html-info/24229.htm][http://www.3gpp.org/ftp/Specs/html-info/24371.htm]
attribute	tra-SCTP-association	media	NORMAL	[http://www.3gpp.org/ftp/Specs/html-info/24229.htm][http://www.3gpp.org/ftp/Specs/html-info/24371.htm]
attribute	ts-refclk	session, media, source	NORMAL	[RFC7273][RFC8859]
attribute	type	session	NORMAL	[RFC8866][RFC8859]
attribute	type:H332	session	NORMAL	[ITU Recommendation H.332][RFC8859]
attribute	type:broadcast	session	NORMAL	[RFC8866][RFC8859]
attribute	type:meeting	session	NORMAL	[RFC8866][RFC8859]
attribute	type:moderated	session	NORMAL	[RFC8866][RFC8859]
attribute	type:test	session	NORMAL	[RFC8866][RFC8859]
attribute	uiLayer1_Prot	media	CAUTION	[RFC3108][RFC8859]
attribute	upcc	media	CAUTION	[RFC3108][RFC8859]
attribute	userid	media	TBD	[RFC8856][RFC8859]
attribute	vbd (OBSOLETE)	media	TBD	[ITU-T Recommendation V.152 "Procedures for supporting voice-band data over IP networks", September 2010][Simao_Campos-Neto]
attribute	visited-realm	media	TRANSPORT	[TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC8859]
attribute	vndpar	session, media	TBD	[ITU-T Rec. V.150.1][ITU-T Rec. V.152][Simao_Campos-Neto]
attribute	vsel	media	CAUTION	[RFC3108][RFC8859]
attribute	websocket-uri	media	CAUTION	[RFC8124]
attribute	X-decbyterate	media	CAUTION	[RFC6064][RFC8859]
attribute	X-initpostdecbufperiod	media	CAUTION	[RFC6064][RFC8859]
attribute	X-initpredecbufperiod	media	CAUTION	[RFC6064][RFC8859]
attribute	X-predecbufsize	media	CAUTION	[RFC6064][RFC8859]
attribute	zrtp-hash	media	TRANSPORT	[RFC6189][RFC8859]

content SDP Parameters

Registration Procedure(s)

Specification Required

Expert(s)

Christer Holmberg

Reference

[RFC4796][RFC8859]

Available Formats

CSV

Type	SDP Name	Description	Mux Category	Reference
content	slides	Presentation slides	NORMAL	[RFC4796][RFC8859]
content	speaker	Image from the speaker	NORMAL	[RFC4796][RFC8859]
content	sl	Sign language	NORMAL	[RFC4796][RFC8859]
content	main	Main media stream	NORMAL	[RFC4796][RFC8859]
content	alt	Alternative media stream	NORMAL	[RFC4796][RFC8859]
content	g.3gpp.cat	Stream associated with the 3GPP Customized Alerting Ringtone (CAT) service	NORMAL	[3GPP TS 24.182 v11.2.0][Frederic_Firmin][RFC8859]
content	g.3gpp.crs	Stream associated with the 3GPP Customized Ringing Signal (CRS) service	NORMAL	[3GPP TS 24.183 v9.10.0 annex E][Frederic_Firmin][RFC8859]
content	g.3gpp.announcement-no-confirmation	Stream associated with video announcement service without user confirmation	NORMAL	[3GPP TS 24.229]

Semantics for the "group" SDP Attribute

Registration Procedure(s)

Standards Action

Reference

[RFC5888][RFC8859]

Available Formats

CSV

Semantics	Token	Mux Category	Reference
Lip Synchronization	LS	NORMAL	[RFC5888][RFC8859]
Flow Identification	FID	NORMAL	[RFC5888][RFC8859]
Single Reservation flow	SRF	NORMAL	[RFC3524][RFC8859]
Alternative Network Address Types	ANAT	CAUTION	[RFC4091][RFC8859]
Forward Error Correction (Deprecated)	FEC	NORMAL	[RFC5956][RFC8859]
Forward Error Correction FR	FEC-FR	NORMAL	[RFC5956][RFC8859]
Composite Session	CS	NORMAL	[RFC-mehta-rmt-flute-sdp-05][RFC8859]
Decoding Dependency	DDP	NORMAL	[RFC5583][RFC8859]
Duplication	DUP	NORMAL	[RFC7104][RFC8859]
Splice	SPLICE	TBD	[RFC8286][RFC8859]
Media bundling	BUNDLE	NORMAL	[RFC9143]
CLUE-controlled "m=" line	CLUE	NORMAL	[RFC8848]

"rtcp-fb" Attribute Values

Registration Procedure(s)

First Come First Served with permanent, stable, and publically accessible document.

Reference

[RFC4585][RFC8859]

Available Formats

CSV

Value Name	Long Name	Mux Category	Reference
ack	Positive acknowledgement	IDENTICAL-PER-PT	[RFC4585][RFC8859]
app	Application-defined parameter	SPECIAL	[RFC4585][RFC8859]
ccm	Codec Control Commands and Indications	IDENTICAL-PER-PT	[RFC5104][RFC8859]
nack	Negative Acknowledgement	IDENTICAL-PER-PT	[RFC4585][RFC8859]
trr-int	Minimal receiver report interval	IDENTICAL-PER-PT	[RFC4585][RFC8859]
3gpp-roi-arbitrary	Video region-of-interest (ROI) arbitrarily selected by the endpoint	IDENTICAL-PER-PT	[3GPP TS 26.114 v16.3.0][Ozgur_Oyman]
3gpp-roi-predefined	Video region-of-interest (ROI) pre-defined by the sender and selected by the endpoint	IDENTICAL-PER-PT	[3GPP TS 26.114 v16.3.0][Ozgur_Oyman]
3gpp-delay-budget	Available or requested delay budget specified in milliseconds	IDENTICAL-PER-PT	[3GPP TS 26.114 v16.3.0][Ozgur_Oyman]
3gpp-viewport	Viewport feedback for viewport-dependent 360-degree video	IDENTICAL-PER-PT	[3GPP TS 26.114]

"ack" and "nack" Attribute Values

Registration Procedure(s)

First Come First Served with a permanent, stable, and publically accessible document

Reference

[RFC4585][RFC8859]

Available Formats

CSV

Value Name	Long Name	Usable with	Mux	Reference
sli	Slice Loss Indication	nack	IDENTICAL-PER-PT	[RFC4585][RFC8859]
pli	Picture Loss Indication	nack	IDENTICAL-PER-PT	[RFC4585][RFC8859]
rpsi	Reference Picture Selection Indication	ack, nack	IDENTICAL-PER-PT	[RFC4585][RFC8859]
app	Application layer feedback	ack, nack	SPECIAL	[RFC4585][RFC8859]
rai	Rapid Acquisition Indication	nack	IDENTICAL-PER-PT	[RFC6285][RFC8859]
tllei	Transport-Layer Third-Party Loss Early Indication	nack	IDENTICAL-PER-PT	[RFC6642][RFC8859]
pslei	Payload-Specific Third-Party Loss Early Indication	nack	IDENTICAL-PER-PT	[RFC6642][RFC8859]
ecn	Explicit Congestion Notification	nack	IDENTICAL	[RFC6679][RFC8859]
ccfb	Congestion Control Feedback	ack	IDENTICAL-PER-PT	[RFC8888]

"depend" SDP Attribute Values

Registration Procedure(s)

Specification Required

Expert(s)

Stephan Wenger

Reference

[RFC5583][RFC8859]

Available Formats

CSV

Token	Semantics	Mux Category	Reference
lay	Layered decoding dependency	IDENTICAL-PER-PT	[RFC5583][RFC8859]
mdc	Multi descriptive decoding dependency	IDENTICAL-PER-PT	[RFC5583][RFC8859]

"cs-correlation" Attribute Values

Registration Procedure(s)

Specification Required

Expert(s)

Bo Burman

Reference

[RFC7195][RFC8859]

Available Formats

CSV

Value	Description	Mux Category	Reference
callerid	Caller ID	TBD	[RFC7195][RFC8859]
uuie	User-User Information Element	TBD	[RFC7195][RFC8859]
dtmf	Dual-tone Multi-Frequency	TBD	[RFC7195][RFC8859]
external	External	TBD	[RFC7195][RFC8859]

Semantics for the "ssrc-group" SDP Attribute

Registration Procedure(s)

Standards Action

Reference

[RFC5576][RFC8859]

Available Formats

CSV

Token	Semantics	Mux Category	Reference
FID	Flow Identification	NORMAL	[RFC5576][RFC8859]
FEC	Forward Error Correction	NORMAL	[RFC5576][RFC8859]
FEC-FR	Forward Error Correction FR	NORMAL	[RFC5956][RFC8859]
DUP	Duplication	NORMAL	[RFC7104][RFC8859]

SDP/RTSP key management protocol identifiers

Registration Procedure(s)

Specification Required

Expert(s)

Magnus Westerlund

Reference

[RFC4567][RFC8859]

Note

This registry of the key management protocol identifier, KMPID, has a name space that is shared between the SDP "key-mgmt" attribute and RTSP header "keymgmt".

Available Formats

CSV

Value Name	Long Name	Mux Category	Reference
mikey	Multimedia Internet KEYing	IDENTICAL	[RFC4567][RFC8859]

Codec Control Messages

Registration Procedure(s)

Specification Required

Expert(s)

Stephan Wenger

Reference

[RFC5104][RFC8859]

Available Formats

CSV

Value Name	Long Name	Usable with	Mux	Reference
fir	Full Intra Request Command	ccm	IDENTICAL-PER-PT	[RFC5104][RFC8859]
tmmbr	Temporary Maximum Media Stream Bit Rate	ccm	IDENTICAL-PER-PT	[RFC5104][RFC8859]
tstr	Temporal-Spatial Trade-off	ccm	IDENTICAL-PER-PT	[RFC5104][RFC8859]
vbcm	H.271 video back channel messages	ccm	IDENTICAL-PER-PT	[RFC5104][RFC8859]
pause	Media Pause/Resume	ccm	TBD	[RFC7728][RFC8859]
lrr	Layer Refresh Request Command	ccm	IDENTICAL-PER-PT	[RFC9627]

QoS Mechanism Tokens

Registration Procedure(s)

Specification Required

Expert(s)

Christer Holmberg

Reference

[RFC5432][RFC8859]

Available Formats

CSV

QoS Mechanism	Mux Category	Reference
rsvp	TRANSPORT	[RFC5432][RFC8859]
nsis	TRANSPORT	[RFC5432][RFC8859]

SDP Capability Negotiation Option Tags

Registration Procedure(s)

IETF Review

Reference

[RFC5939][RFC8859]

Available Formats

CSV

Option Tag	Mux Category	Reference
cap-v0	NORMAL	[RFC5939][RFC8859]
med-v0	NORMAL	[RFC6871][RFC8859]
bcap-v0	NORMAL	[RFC7006][RFC8859]
ccap-v0	NORMAL	[RFC7006][RFC8859]
icap-v0	NORMAL	[RFC7006][RFC8859]

SDP Capability Negotiation Configuration Parameters Registry

Registration Procedure(s)

IETF Review

Reference

[RFC5939][RFC6871]

Available Formats

CSV

Encoding Name	Descriptive Name	Potential Configuration Definition	Actual Configuration Definition	Latent Configuration Definition
a	Attribute Configuration	[RFC5939]	[RFC5939]	[RFC6871]
b	Bandwidth	[RFC7006]	[RFC7006]	[RFC7006]
c	Connection Data	[RFC7006]	[RFC7006]	[RFC7006]
i	Title	[RFC7006]	[RFC7006]	[RFC7006]
m	Media Configuration	[RFC6871]	[RFC6871]	[RFC6871]
mt	Media Type	[RFC6871]	[RFC6871]	[RFC6871]
pt	Payload Type Number Mapping	[RFC6871]	[RFC6871]	[RFC6871]
t	Transport Protocol Configuration	[RFC5939]	[RFC5939]	[RFC6871]

Timestamp Reference Clock Source Parameters

Registration Procedure(s)

Specification Required

Expert(s)

Magnus Westerlund

Reference

[RFC7273][RFC8859]

Available Formats

CSV

Name	Long Name	Mux Category	Reference
ntp	Network Time Protocol	NORMAL	[RFC7273, section 4][RFC8859]
ptp	Precision Time Protocol	NORMAL	[RFC7273, section 4][RFC8859]
gps	Global Positioning System	NORMAL	[RFC7273, section 4][RFC8859]
gal	Galileo	NORMAL	[RFC7273, section 4][RFC8859]
glonass	Global Navigation Satellite System	NORMAL	[RFC7273, section 4][RFC8859]
local	Local Clock	NORMAL	[RFC7273, section 4][RFC8859]
private	Private Clock	NORMAL	[RFC7273, section 4][RFC8859]

Media Clock Source Parameters

Registration Procedure(s)

Specification Required

Expert(s)

Magnus Westerlund

Reference

[RFC7273][RFC8859]

Available Formats

CSV

Name	Long Name	Mux Category	Reference
sender	Asynchronously Generated Media Clock	NORMAL	[RFC7273, section 5][RFC8859]
direct	Direct-Referenced Media Clock	NORMAL	[RFC7273, section 5][RFC8859]
IEEE1722	IEEE1722 Media Stream Identifier	NORMAL	[RFC7273, section 5][RFC8859]

Multiplexing Categories

Registration Procedure(s)

Standards Action

Reference

[RFC8859]

Available Formats

CSV

Multiplexing Categories	Reference
NORMAL	[RFC8859]
CAUTION	[RFC8859]
IDENTICAL	[RFC8859]
TRANSPORT	[RFC8859]
SUM	[RFC8859]
INHERIT	[RFC8859]
IDENTICAL-PER-PT	[RFC8859]
SPECIAL	[RFC8859]
TBD	[RFC8859]

association-usage Name Registry

Registration Procedure(s)

First Come First Served

Reference

[RFC8841]

Available Formats

CSV

Name	Reference	Change Controller
webrtc-datachannel	[RFC8841][RFC8832]	IESG

RID Attribute Parameters

Registration Procedure(s)

Specification Required

Expert(s)

Adam Roach

Reference

[RFC8851]

Available Formats

CSV

RID Parameter Name	Reference
pt	[RFC8851]
max-width	[RFC8851]
max-height	[RFC8851]
max-fps	[RFC8851]
max-fs	[RFC8851]
max-br	[RFC8851]
max-pps	[RFC8851]
max-bpp	[RFC8851]
depend	[RFC8851]

Candidate Attribute Extensions

Registration Procedure(s)

Specification Required

Expert(s)

Christer Holmberg

Reference

[RFC8839]

Name	Description	Change Controller	Reference
No registrations at this time.

Contact Information

ID	Name	Contact URI	Last Updated
[_3GPP_Specifications_Manager]	3GPP Specifications Manager	mailto:3gppContact&etsi.org	2017-06-16
[Brian_Rosen]	Brian Rosen	mailto:br&brianrosen.net	2016-10-11
[Felix_Poulin]	Felix Poulin, EBU-FNS Coordinator	mailto:poulin&ebu.ch	2016-11-17
[Frederic_Firmin]	Frederic Firmin	mailto:frederic.firmin&etsi.org	2020-09-04
[Ozgur_Oyman]	Ozgur Oyman	mailto:ozgur.oyman&intel.com	2019-11-06
[Simao_Campos-Neto]	Simão Campos-Neto	mailto:simao.campos&itu.int	2019-07-30
[Sonia_Compans]	Sonia Compans	mailto:Sonia.Compans&etsi.org	2010-11-24

Footnotes

[1]	historic
[2]	historic; use fmtp as per [RFC2198]

[8]ページ先頭