Session Description Protocol (SDP) Parameters

Created
2001-06-15
Last Updated
2017-08-08
Available Formats

XML
HTML
Plain text

Registries included below

media

Registration Procedure(s)
Standards Action
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
media audio [RFC4566]
media video [RFC4566]
media text [RFC4566]
media application [RFC4566]
media message [RFC4566]
media image [RFC6466]

proto

Registration Procedure(s)
RFC (Standards-Track preferred)
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
proto RTP/AVP [RFC4566]
proto udp [RFC4566]
proto vat [1]
proto rtp [1]
proto udptl [ITU-T Recommendation T.38, 'Procedures for real-time Group 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 [RFC4583]
proto TCP/TLS/BFCP [RFC4583]
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 [RFC-ietf-bfcpbis-bfcp-websocket-15]
proto TCP/WSS/BFCP [RFC-ietf-bfcpbis-bfcp-websocket-15]
proto UDP/DTLS/SCTP [RFC-ietf-mmusic-sctp-sdp-25]
proto TCP/DTLS/SCTP [RFC-ietf-mmusic-sctp-sdp-25]

SDP bwtype

Registration Procedure(s)
Standards-Track RFC
Reference
[RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Type SDP Name Mux Category Reference
bwtype CT NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
bwtype AS SUM [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
bwtype RS SUM [RFC3556][RFC-ietf-mmusic-sdp-mux-attributes-16]
bwtype RR SUM [RFC3556][RFC-ietf-mmusic-sdp-mux-attributes-16]
bwtype TIAS SPECIAL [RFC3890][RFC-ietf-mmusic-sdp-mux-attributes-16]

nettype

Registration Procedure(s)
RFC
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
nettype IN [RFC4566]
nettype TN [RFC2848]
nettype ATM [RFC3108]
nettype PSTN [RFC7195]

addrtype

Registration Procedure(s)
RFC
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
addrtype IP4 [RFC4566]
addrtype IP6 [RFC4566]
addrtype NSAP [RFC3108]
addrtype GWID [RFC3108]
addrtype E164 [RFC7195][RFC3108]

enckey

Registration Procedure(s)
REGISTRY OBSOLETED - No further registrations accepted
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
enckey clear [RFC4566]
enckey base64 [RFC4566]
enckey uri [RFC4566]
enckey prompt [RFC4566]

att-field (session level)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen
Reference
[RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Type SDP Name Mux Category Reference
att-field (session level) cat NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) keywds NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) type NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) type:broadcast NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) type:H332 NORMAL [ITU Recommendation H.332][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) type:meeting NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) type:moderated NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) type:test NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) charset NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) charset:iso8895-1 NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) tool NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) ipbcp SPECIAL [ITU-T Recommendation Q.1970, "BICC IP bearer control protocol" (07/2001)][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) group NORMAL [RFC5888][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) ice-lite NORMAL [RFC5245][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) ice-options NORMAL [RFC5245][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) bcastversion NORMAL [RFC5159][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) 3GPP-Integrity-Key CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) 3GPP-SDP-Auth CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) alt-group CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) PSCid 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"][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) bc_service 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"][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) bc_program 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"][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) bc_service_package 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"][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) sescap CAUTION [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) rtsp-ice-d-m TBD [RFC7825][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (session level) ccc_list N/A [3GPP TS 26.114 version 13.4.0][_3GPP_Specifications_Manager]

att-field (both session and media level)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen
Reference
[RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Type SDP Name Mux Category Reference
att-field (both session and media level) recvonly NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) sendrecv NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) sendonly NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) sdplang NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) lang NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) h248item SPECIAL [ITU-T H.248.15][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) sqn NORMAL [RFC3407][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) cdsc NORMAL [RFC3407][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) cpar INHERIT [RFC3407][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) cparmin SPECIAL [RFC3407][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) cparmax SPECIAL [RFC3407][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) rtcp-xr NORMAL [RFC3611][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) maxprate SPECIAL [RFC3890][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) setup TRANSPORT [RFC4145][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) connection TRANSPORT [RFC4145][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) key-mgmt IDENTICAL [RFC4567][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) source-filter IDENTICAL [RFC4570][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) inactive NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) fingerprint TRANSPORT [RFC8122][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) flute-tsi TBD [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) flute-ch TBD [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) FEC-declaration TBD [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) FEC-OTI-extension TBD [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) content-desc TBD [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) ice-pwd TRANSPORT [RFC5245][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) ice-ufrag TRANSPORT [RFC5245][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) stkmstream NORMAL [RFC5159][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) extmap SPECIAL [RFC-ietf-avtcore-rfc5285-bis-14][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) qos-mech-send TRANSPORT [RFC5432][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) qos-mech-recv TRANSPORT [RFC5432][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) csup NORMAL [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) creq NORMAL [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) acap INHERIT [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) tcap INHERIT [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) 3GPP-QoE-Metrics CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) 3GPP-Asset-Information CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) mbms-mode CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) mbms-repair CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) ike-setup IDENTICAL [RFC6193][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) psk-fingerprint IDENTICAL [RFC6193][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) multicast-rtcp IDENTICAL [RFC6128][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) rmcap IDENTICAL-PER-PT [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) omcap NORMAL [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) mfcap IDENTICAL-PER-PT [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) mscap INHERIT [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) 3gpp.iut.replication TBD [3GPP TS 24.337 10.7.0][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) bcap INHERIT [RFC7006][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) ccap IDENTICAL [RFC7006][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) icap NORMAL [RFC7006][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) 3gpp_sync_info NORMAL [3GPP TS 26.114 Release 12, version 12.2.0, 2013-06][_3GPP_Specifications_Manager][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) 3gpp_MaxRecvSDUSize NORMAL [3GPP TS 26.114 Release 12, version 12.2.0, 2013-06][_3GPP_Specifications_Manager][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) etag CAUTION [RFC2326][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) duplication-delay NORMAL [RFC7197][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) range CAUTION [RFC2326][RFC7826][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) control CAUTION [RFC2326][RFC7826][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) mtag CAUTION [RFC7826][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) ts-refclk NORMAL [RFC7273][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) mediaclk NORMAL [RFC7273][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) calgextmap NORMAL [RFC7266][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) phone-context TBD [RFC2848][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) clir TBD [RFC2848][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) Q763-nature TBD [RFC2848][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) Q763-plan TBD [RFC2848][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) Q763-INN TBD [RFC2848][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) require TBD [RFC2848][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) record TBD [RFC7866][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) recordpref TBD [RFC7866][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) rtcp-rgrp TBD [RFC-ietf-avtcore-rtp-multi-stream-optimisation-12][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) suspended TBD [NENA STA-010.2-2016][Brian_Rosen][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (both session and media level) extmap-allow-mixed IDENTICAL [RFC-ietf-avtcore-rfc5285-bis-14]

att-field (media level only)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen
Reference
[RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Type SDP Name Mux Category Reference
att-field (media level only) ptime IDENTICAL-PER-PT [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) orient NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) orient:portrait NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) orient:landscape NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) orient:seascape NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) framerate IDENTICAL-PER-PT [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) quality NORMAL [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtpmap IDENTICAL-PER-PT [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) fmtp IDENTICAL-PER-PT [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtpred1 CAUTION [2][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtpred2 CAUTION [2][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxVersion TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38MaxBitRate TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxFillBitRemoval TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxTranscodingMMR TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxTranscodingJBIG TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxRateManagement TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxMaxBuffer TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxMaxDatagram TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxUdpEC TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) maxptime IDENTICAL-PER-PT [RFC4566][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) des CAUTION [RFC3312][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) curr CAUTION [RFC3312][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) conf CAUTION [RFC3312][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) mid NORMAL [RFC5888][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp TRANSPORT [RFC3605][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp-fb IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) label NORMAL [RFC4574][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38VendorInfo TBD [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) crypto TRANSPORT [RFC4568][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) eecid CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aalType CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) capability CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) qosClass CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) bcob CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) stc CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) upcc CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) atmQOSparms CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) atmTrfcDesc CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) abrParms CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) abrSetup CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) bearerType CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) lij CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) anycast CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) cache CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) bearerSigIE CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aalApp CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) cbrRate CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) sbc CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) clkrec CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) fec CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) prtfl CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) structure CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) cpsSDUsize CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aal2CPS CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aal2CPSSDUrate CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aal2sscs3661unassured CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aal2sscs3661assured CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aal2sscs3662 CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) aal5sscop CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) atmmap CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) silenceSupp CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) ecan CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) gc CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) profileDesc CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) vsel CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) dsel CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) fsel CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) onewaySel CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) codecconfig CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) isup_usi CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) uiLayer1_Prot CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) chain CAUTION [RFC3108][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) floorctrl TBD [RFC4583][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) confid NORMAL [RFC4583][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) userid NORMAL [RFC4583][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) floorid NORMAL [RFC4583][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) FEC NORMAL [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) accept-types TBD [RFC4975][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) accept-wrapped-types TBD [RFC4975][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) max-size TBD [RFC4975][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) path TBD [RFC4975][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) dccp-service-code CAUTION [RFC5762][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp-mux IDENTICAL [RFC5761][RFC8035][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) candidate TRANSPORT [RFC5245][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) ice-mismatch NORMAL [RFC5245][RFC Errata 3149][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) remote-candidates TRANSPORT [RFC5245][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) SRTPAuthentication TBD [RFC5159][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) SRTPROCTxRate TBD [RFC5159][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp-rsize IDENTICAL [RFC5506][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) file-selector TBD [RFC5547][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) file-transfer-id TBD [RFC5547][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) file-disposition TBD [RFC5547][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) file-date TBD [RFC5547][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) file-icon TBD [RFC5547][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) file-range TBD [RFC5547][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) depend IDENTICAL-PER-PT [RFC5583][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) ssrc NORMAL [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) ssrc-group NORMAL [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp-unicast IDENTICAL [RFC5760][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) pcfg SPECIAL [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) acfg SPECIAL [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) zrtp-hash TRANSPORT [RFC6189][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) X-predecbufsize CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) X-initpredecbufperiod CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) X-initpostdecbufperiod CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) X-decbyterate CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) 3gpp-videopostdecbufsize CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) framesize CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) 3GPP-SRTP-Config CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) alt CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) alt-default-id CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) 3GPP-Adaptation-Support CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) mbms-flowid CAUTION [RFC6064][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) fec-source-flow SPECIAL [RFC6364][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) fec-repair-flow SPECIAL [RFC6364][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) repair-window SPECIAL [RFC6364][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rams-updates CAUTION [RFC6285][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) imageattr IDENTICAL-PER-PT [RFC6236][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) cfw-id NORMAL [RFC6230][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) portmapping-req CAUTION [RFC6284][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) g.3gpp.cat NORMAL [3GPP TS 24.182 v9.8.0 annex B][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) g.3gpp.crs NORMAL [3GPP TS 24.183 v9.5.0 annex E][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) ecn-capable-rtp IDENTICAL [RFC6679][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) visited-realm TRANSPORT [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) secondary-realm TRANSPORT [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-s-cksum NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-m-cksum NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-codecs NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-m-att NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-s-att NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-m-bw NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) omr-s-bw NORMAL [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) msrp-cema TBD [RFC6714][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) dccp-port CAUTION [RFC6773][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) resource NORMAL [RFC6787][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) channel NORMAL [RFC6787][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) cmid NORMAL [RFC6787][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) content NORMAL [RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) lcfg SPECIAL [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) loopback NORMAL [RFC6849][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) loopback-source NORMAL [RFC6849][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) loopback-mirror NORMAL [RFC6849][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) chatroom TBD [RFC7701][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) altc TRANSPORT [RFC6947][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxMaxIFP TBD [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxUdpECDepth TBD [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38FaxUdpFECMaxSpan TBD [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) T38ModemType TBD [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010][Simao_Campos-Neto][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) cs-correlation TBD [RFC7195][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp-idms NORMAL [RFC7272][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) predefined_ROI TBD [3GPP TS 26.114 v13.1.0][_3GPP_Specifications_Manager][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) msid TBD [RFC-ietf-mmusic-msid-15][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) rtcp-mux-only TBD [RFC-ietf-mmusic-mux-exclusive-10][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) ebuacip TBD [EBU Tech 3368 - Audio Contribution over IP – Profiles][Felix_Poulin][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (media level only) 3ge2ae IDENTICAL [3GPP TS 24.229 12.14.0][Frederic_Firmin]
att-field (media level only) websocket-uri CAUTION [RFC8124]
att-field (media level only) sctp-port CAUTION [RFC-ietf-mmusic-sctp-sdp-25]
att-field (media level only) max-message-size CAUTION [RFC-ietf-mmusic-sctp-sdp-25]
att-field (media level only) vbd TBD [ITU-T Recommendation V.152 "Procedures for supporting voice-band data over IP networks", September 2010][Simao_Campos-Neto]
att-field (media level only) maxmptime TBD [ITU-T Recommendation V.152 "Procedures for supporting voice-band data over IP networks", September 2010][Simao_Campos-Neto]
att-field (media level only) pmft TBD [ITU-T Recommendation V.152 "Procedures for supporting voice-band data over IP networks", September 2010][Simao_Campos-Neto]

att-field (source level)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen, Jonathan Lennox
Reference
[RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Type SDP Name Mux Category Reference
att-field (source level) cname NORMAL [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (source level) previous-ssrc NORMAL [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (source level) fmtp IDENTICAL-PER-PT [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (source level) ts-refclk NORMAL [RFC7273][RFC-ietf-mmusic-sdp-mux-attributes-16]
att-field (source level) mediaclk NORMAL [RFC7273][RFC-ietf-mmusic-sdp-mux-attributes-16]

att-field (unknown level)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen
Reference
[RFC4566]
Type SDP Name Mux Category Reference
No registrations at this time.

content SDP Parameters

Registration Procedure(s)
Specification Required
Expert(s)
Gonzalo Camarillo
Reference
[RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Type SDP Name Description Mux Category Reference
content slides Presentation slides NORMAL [RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]
content speaker Image from the speaker NORMAL [RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]
content sl Sign language NORMAL [RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]
content main Main media stream NORMAL [RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]
content alt Alternative media stream NORMAL [RFC4796][RFC-ietf-mmusic-sdp-mux-attributes-16]

Semantics for the "group" SDP Attribute

Registration Procedure(s)
Standards Action
Reference
[RFC5888][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Semantics Token Mux Category Reference
Lip Synchronization LS NORMAL [RFC5888][RFC-ietf-mmusic-sdp-mux-attributes-16]
Flow Identification FID NORMAL [RFC5888][RFC-ietf-mmusic-sdp-mux-attributes-16]
Single Reservation flow SRF NORMAL [RFC3524][RFC-ietf-mmusic-sdp-mux-attributes-16]
Alternative Network Address Types ANAT CAUTION [RFC4091][RFC-ietf-mmusic-sdp-mux-attributes-16]
Forward Error Correction (Deprecated) FEC NORMAL [RFC5956][RFC-ietf-mmusic-sdp-mux-attributes-16]
Forward Error Correction FR FEC-FR NORMAL [RFC5956][RFC-ietf-mmusic-sdp-mux-attributes-16]
Composite Session CS NORMAL [RFC-mehta-rmt-flute-sdp-05][RFC-ietf-mmusic-sdp-mux-attributes-16]
Decoding Dependency DDP NORMAL [RFC5583][RFC-ietf-mmusic-sdp-mux-attributes-16]
Duplication DUP NORMAL [RFC7104][RFC-ietf-mmusic-sdp-mux-attributes-16]
Splice SPLICE TBD [RFC-ietf-avtext-splicing-notification-09][RFC-ietf-mmusic-sdp-mux-attributes-16]

"rtcp-fb" Attribute Values

Registration Procedure(s)
First Come First Serve with permanent, stable, and publically accessible document.
Reference
[RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Value Name Long Name Mux Category Reference
ack Positive acknowledgement IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
app Application-defined parameter SPECIAL [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
ccm Codec Control Commands and Indications IDENTICAL-PER-PT [RFC5104][RFC-ietf-mmusic-sdp-mux-attributes-16]
nack Negative Acknowledgement IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
trr-int Minimal receiver report interval IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
3gpp-roi-arbitrary Video region-of-interest (ROI) arbitrarily selected by the endpoint TBD [3GPP TS 26.114 v13.1.0][Ozgur_Oyman][RFC-ietf-mmusic-sdp-mux-attributes-16]
3gpp-roi-predefined Video region-of-interest (ROI) pre-defined by the sender and selected by the endpoint TBD [3GPP TS 26.114 v13.1.0][Ozgur_Oyman][RFC-ietf-mmusic-sdp-mux-attributes-16]

"ack" and "nack" Attribute Values

Registration Procedure(s)
First Come First Serve with a permanent, stable, and publically accessible document
Reference
[RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Value Name Long Name Usable with Mux Reference
sli Slice Loss Indication nack IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
pli Picture Loss Indication nack IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
rpsi Reference Picture Selection Indication ack, nack IDENTICAL-PER-PT [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
app Application layer feedback ack, nack SPECIAL [RFC4585][RFC-ietf-mmusic-sdp-mux-attributes-16]
rai Rapid Acquisition Indication nack IDENTICAL-PER-PT [RFC6285][RFC-ietf-mmusic-sdp-mux-attributes-16]
tllei Transport-Layer Third-Party Loss Early Indication nack IDENTICAL-PER-PT [RFC6642][RFC-ietf-mmusic-sdp-mux-attributes-16]
pslei Payload-Specific Third-Party Loss Early Indication nack IDENTICAL-PER-PT [RFC6642][RFC-ietf-mmusic-sdp-mux-attributes-16]
ecn Explicit Congestion Notification nack IDENTICAL [RFC6679][RFC-ietf-mmusic-sdp-mux-attributes-16]

"depend" SDP Attribute Values

Registration Procedure(s)
Specification Required
Expert(s)
Stephan Wenger
Reference
[RFC5583][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Token Semantics Mux Category Reference
lay Layered decoding dependency IDENTICAL-PER-PT [RFC5583][RFC-ietf-mmusic-sdp-mux-attributes-16]
mdc Multi descriptive decoding dependency IDENTICAL-PER-PT [RFC5583][RFC-ietf-mmusic-sdp-mux-attributes-16]

"cs-correlation" Attribute Values

Registration Procedure(s)
Specification Required
Expert(s)
Bo Burman
Reference
[RFC7195][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Value Description Mux Category Reference
callerid Caller ID TBD [RFC7195][RFC-ietf-mmusic-sdp-mux-attributes-16]
uuie User-User Information Element TBD [RFC7195][RFC-ietf-mmusic-sdp-mux-attributes-16]
dtmf Dual-tone Multi-Frequency TBD [RFC7195][RFC-ietf-mmusic-sdp-mux-attributes-16]
external External TBD [RFC7195][RFC-ietf-mmusic-sdp-mux-attributes-16]

Semantics for the "ssrc-group" SDP Attribute

Registration Procedure(s)
Standards Action
Reference
[RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Token Semantics Mux Category Reference
FID Flow Identification NORMAL [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
FEC Forward Error Correction NORMAL [RFC5576][RFC-ietf-mmusic-sdp-mux-attributes-16]
FEC-FR Forward Error Correction FR NORMAL [RFC5956][RFC-ietf-mmusic-sdp-mux-attributes-16]
DUP Duplication NORMAL [RFC7104][RFC-ietf-mmusic-sdp-mux-attributes-16]

SDP/RTSP key management protocol identifiers

Registration Procedure(s)
Specification Required
Expert(s)
Magnus Westerlund
Reference
[RFC4567][RFC-ietf-mmusic-sdp-mux-attributes-16]
Note
(associated with the protocol identifier KMPID)
Available Formats

CSV
Value Name Long Name Mux Category Reference
mikey Multimedia Internet KEYing IDENTICAL [RFC4567][RFC-ietf-mmusic-sdp-mux-attributes-16]

Codec Control Messages

Registration Procedure(s)
Specification Required
Expert(s)
Stephan Wenger
Reference
[RFC5104][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Value Name Long Name Usable with Mux Reference
fir Full Intra Request Command ccm IDENTICAL-PER-PT [RFC5104][RFC-ietf-mmusic-sdp-mux-attributes-16]
tmmbr Temporary Maximum Media Stream Bit Rate ccm IDENTICAL-PER-PT [RFC5104][RFC-ietf-mmusic-sdp-mux-attributes-16]
tstr Temporal-Spatial Trade-off ccm IDENTICAL-PER-PT [RFC5104][RFC-ietf-mmusic-sdp-mux-attributes-16]
vbcm H.271 video back channel messages ccm IDENTICAL-PER-PT [RFC5104][RFC-ietf-mmusic-sdp-mux-attributes-16]
pause Media Pause/Resume ccm TBD [RFC7728][RFC-ietf-mmusic-sdp-mux-attributes-16]
lrr Layer Refresh Request Command ccm IDENTICAL-PER-PT [RFC-ietf-avtext-lrr-07]

QoS Mechanism Tokens

Registration Procedure(s)
Specification Required
Expert(s)
Gonzalo Camarillo
Reference
[RFC5432][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
QoS Mechanism Mux Category Reference
rsvp TRANSPORT [RFC5432][RFC-ietf-mmusic-sdp-mux-attributes-16]
nsis TRANSPORT [RFC5432][RFC-ietf-mmusic-sdp-mux-attributes-16]

SDP Capability Negotiation Option Tags

Registration Procedure(s)
IETF Review
Reference
[RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Option Tag Mux Category Reference
cap-v0 NORMAL [RFC5939][RFC-ietf-mmusic-sdp-mux-attributes-16]
med-v0 NORMAL [RFC6871][RFC-ietf-mmusic-sdp-mux-attributes-16]
bcap-v0 NORMAL [RFC7006][RFC-ietf-mmusic-sdp-mux-attributes-16]
ccap-v0 NORMAL [RFC7006][RFC-ietf-mmusic-sdp-mux-attributes-16]
icap-v0 NORMAL [RFC7006][RFC-ietf-mmusic-sdp-mux-attributes-16]

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][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Name Long Name Mux Category Reference
ntp Network Time Protocol NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]
ptp Precision Time Protocol NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]
gps Global Positioning System NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]
gal Galileo NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]
glonass Global Navigation Satellite System NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]
local Local Clock NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]
private Private Clock NORMAL [RFC7273, section 4][RFC-ietf-mmusic-sdp-mux-attributes-16]

Media Clock Source Parameters

Registration Procedure(s)
Specification Required
Expert(s)
Magnus Westerlund
Reference
[RFC7273][RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Name Long Name Mux Category Reference
sender Asynchronously Generated Media Clock NORMAL [RFC7273, section 5][RFC-ietf-mmusic-sdp-mux-attributes-16]
direct Direct-Referenced Media Clock NORMAL [RFC7273, section 5][RFC-ietf-mmusic-sdp-mux-attributes-16]
IEEE1722 IEEE1722 Media Stream Identifier NORMAL [RFC7273, section 5][RFC-ietf-mmusic-sdp-mux-attributes-16]

Multiplexing Categories

Registration Procedure(s)
Standards Action
Reference
[RFC-ietf-mmusic-sdp-mux-attributes-16]
Available Formats

CSV
Multiplexing Categories Reference
NORMAL [RFC-ietf-mmusic-sdp-mux-attributes-16]
CAUTION [RFC-ietf-mmusic-sdp-mux-attributes-16]
IDENTICAL [RFC-ietf-mmusic-sdp-mux-attributes-16]
TRANSPORT [RFC-ietf-mmusic-sdp-mux-attributes-16]
SUM [RFC-ietf-mmusic-sdp-mux-attributes-16]
INHERIT [RFC-ietf-mmusic-sdp-mux-attributes-16]
IDENTICAL-PER-PT [RFC-ietf-mmusic-sdp-mux-attributes-16]
SPECIAL [RFC-ietf-mmusic-sdp-mux-attributes-16]
TBD [RFC-ietf-mmusic-sdp-mux-attributes-16]

association-usage Name Registry

Registration Procedure(s)
First Come First Served
Reference
[RFC-ietf-mmusic-sctp-sdp-25]
Available Formats

CSV
Name Reference Change Controller
webrtc-datachannel [RFC-ietf-mmusic-sctp-sdp-25][RFC-ietf-rtcweb-data-protocol-09] IESG

People

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 2017-01-05
[Ozgur_Oyman] Ozgur Oyman mailto:ozgur.oyman&intel.com 2015-10-19
[Simao_Campos-Neto] Simão Campos-Neto mailto:simao.campos&itu.int 2017-04-11
[Sonia_Compans] Sonia Compans mailto:Sonia.Compans&etsi.org 2010-11-24

Footnotes

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