Session Description Protocol (SDP) Parameters

Created
2001-06-15
Last Updated
2014-08-22
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 [RFC4572]
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]

SDP bwtype

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

CSV
Type SDP Name Reference
bwtype CT [RFC4566]
bwtype AS [RFC4566]
bwtype RS [RFC3556]
bwtype RR [RFC3556]
bwtype TIAS [RFC3890]

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]
Available Formats

CSV
Type SDP Name Reference
att-field (session level) cat [RFC4566]
att-field (session level) keywds [RFC4566]
att-field (session level) type [RFC4566]
att-field (session level) type:broadcast [RFC4566]
att-field (session level) type:H332 [ITU Recommendation H.332]
att-field (session level) type:meeting [RFC4566]
att-field (session level) type:moderated [RFC4566]
att-field (session level) type:test [RFC4566]
att-field (session level) charset [RFC4566]
att-field (session level) charset:iso8895-1 [RFC4566]
att-field (session level) tool [RFC4566]
att-field (session level) ipbcp [ITU-T Recommendation Q.1970, "BICC IP bearer control protocol" (07/2001)]
att-field (session level) group [RFC5888]
att-field (session level) ice-lite [RFC5245]
att-field (session level) ice-options [RFC5245]
att-field (session level) bcastversion [RFC5159]
att-field (session level) 3GPP-Integrity-Key [RFC6064]
att-field (session level) 3GPP-SDP-Auth [RFC6064]
att-field (session level) alt-group [RFC6064]
att-field (session level) PSCid [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"]
att-field (session level) bc_service [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"]
att-field (session level) bc_program [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"]
att-field (session level) bc_service_package [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"]
att-field (session level) sescap [RFC6871]
att-field (session level) rtsp-ice-d-m [RFC-ietf-mmusic-rtsp-nat-22]

att-field (both session and media level)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
att-field (both session and media level) recvonly [RFC4566]
att-field (both session and media level) sendrecv [RFC4566]
att-field (both session and media level) sendonly [RFC4566]
att-field (both session and media level) sdplang [RFC4566]
att-field (both session and media level) lang [RFC4566]
att-field (both session and media level) h248item [ITU-T H.248.15]
att-field (both session and media level) sqn [RFC3407]
att-field (both session and media level) cdsc [RFC3407]
att-field (both session and media level) cpar [RFC3407]
att-field (both session and media level) cparmin [RFC3407]
att-field (both session and media level) cparmax [RFC3407]
att-field (both session and media level) rtcp-xr [RFC3611]
att-field (both session and media level) maxprate [RFC3890]
att-field (both session and media level) setup [RFC4145]
att-field (both session and media level) connection [RFC4145]
att-field (both session and media level) key-mgmt [RFC4567]
att-field (both session and media level) source-filter [RFC4570]
att-field (both session and media level) inactive [RFC4566]
att-field (both session and media level) fingerprint [RFC4572]
att-field (both session and media level) flute-tsi [RFC-mehta-rmt-flute-sdp-05]
att-field (both session and media level) flute-ch [RFC-mehta-rmt-flute-sdp-05]
att-field (both session and media level) FEC-declaration [RFC-mehta-rmt-flute-sdp-05]
att-field (both session and media level) FEC-OTI-extension [RFC-mehta-rmt-flute-sdp-05]
att-field (both session and media level) content-desc [RFC-mehta-rmt-flute-sdp-05]
att-field (both session and media level) ice-pwd [RFC5245]
att-field (both session and media level) ice-ufrag [RFC5245]
att-field (both session and media level) stkmstream [RFC5159]
att-field (both session and media level) extmap [RFC5285]
att-field (both session and media level) qos-mech-send [RFC5432]
att-field (both session and media level) qos-mech-recv [RFC5432]
att-field (both session and media level) csup [RFC5939]
att-field (both session and media level) creq [RFC5939]
att-field (both session and media level) acap [RFC5939]
att-field (both session and media level) tcap [RFC5939]
att-field (both session and media level) 3GPP-QoE-Metrics [RFC6064]
att-field (both session and media level) 3GPP-Asset-Information [RFC6064]
att-field (both session and media level) mbms-mode [RFC6064]
att-field (both session and media level) mbms-repair [RFC6064]
att-field (both session and media level) ike-setup [RFC6193]
att-field (both session and media level) psk-fingerprint [RFC6193]
att-field (both session and media level) multicast-rtcp [RFC6128]
att-field (both session and media level) rmcap [RFC6871]
att-field (both session and media level) omcap [RFC6871]
att-field (both session and media level) mfcap [RFC6871]
att-field (both session and media level) mscap [RFC6871]
att-field (both session and media level) 3gpp.iut.replication [Frederic_Firmin][3GPP TS 24.337 10.7.0]
att-field (both session and media level) bcap [RFC7006]
att-field (both session and media level) ccap [RFC7006]
att-field (both session and media level) icap [RFC7006]
att-field (both session and media level) 3gpp_sync_info [3GPP TS 26.114 Release 12, version 12.2.0, 2013-06][_3GPP_Specifications_Manager]
att-field (both session and media level) 3gpp_MaxRecvSDUSize [3GPP TS 26.114 Release 12, version 12.2.0, 2013-06][_3GPP_Specifications_Manager]
att-field (both session and media level) etag [RFC2326]
att-field (both session and media level) duplication-delay [RFC7197]
att-field (both session and media level) range [RFC2326][RFC-ietf-mmusic-rfc2326bis-40]
att-field (both session and media level) control [RFC2326][RFC-ietf-mmusic-rfc2326bis-40]
att-field (both session and media level) mtag [RFC-ietf-mmusic-rfc2326bis-40]
att-field (both session and media level) ts-refclk [RFC7273]
att-field (both session and media level) mediaclk [RFC7273]
att-field (both session and media level) calgextmap [RFC7266]

att-field (media level only)

Registration Procedure(s)
Specification Required
Expert(s)
Flemming Andreasen
Reference
[RFC4566]
Available Formats

CSV
Type SDP Name Reference
att-field (media level only) ptime [RFC4566]
att-field (media level only) orient [RFC4566]
att-field (media level only) orient:portrait [RFC4566]
att-field (media level only) orient:landscape [RFC4566]
att-field (media level only) orient:seascape [RFC4566]
att-field (media level only) framerate [RFC4566]
att-field (media level only) quality [RFC4566]
att-field (media level only) rtpmap [RFC4566]
att-field (media level only) fmtp [RFC4566]
att-field (media level only) rtpred1 [2]
att-field (media level only) rtpred2 [2]
att-field (media level only) T38FaxVersion [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38MaxBitRate [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxFillBitRemoval [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxTranscodingMMR [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxTranscodingJBIG [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxRateManagement [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxMaxBuffer [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxMaxDatagram [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) T38FaxUdpEC [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.]
att-field (media level only) maxptime [RFC4566]
att-field (media level only) des [RFC3312]
att-field (media level only) curr [RFC3312]
att-field (media level only) conf [RFC3312]
att-field (media level only) mid [RFC5888]
att-field (media level only) rtcp [RFC3605]
att-field (media level only) rtcp-fb [RFC4585]
att-field (media level only) label [RFC4574]
att-field (media level only) T38VendorInfo [ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]
att-field (media level only) crypto [RFC4568]
att-field (media level only) eecid [RFC3108]
att-field (media level only) aalType [RFC3108]
att-field (media level only) capability [RFC3108]
att-field (media level only) qosClass [RFC3108]
att-field (media level only) bcob [RFC3108]
att-field (media level only) stc [RFC3108]
att-field (media level only) upcc [RFC3108]
att-field (media level only) atmQOSparms [RFC3108]
att-field (media level only) atmTrfcDesc [RFC3108]
att-field (media level only) abrParms [RFC3108]
att-field (media level only) abrSetup [RFC3108]
att-field (media level only) bearerType [RFC3108]
att-field (media level only) lij [RFC3108]
att-field (media level only) anycast [RFC3108]
att-field (media level only) cache [RFC3108]
att-field (media level only) bearerSigIE [RFC3108]
att-field (media level only) aalApp [RFC3108]
att-field (media level only) cbrRate [RFC3108]
att-field (media level only) sbc [RFC3108]
att-field (media level only) clkrec [RFC3108]
att-field (media level only) fec [RFC3108]
att-field (media level only) prtfl [RFC3108]
att-field (media level only) structure [RFC3108]
att-field (media level only) cpsSDUsize [RFC3108]
att-field (media level only) aal2CPS [RFC3108]
att-field (media level only) aal2CPSSDUrate [RFC3108]
att-field (media level only) aal2sscs3661unassured [RFC3108]
att-field (media level only) aal2sscs3661assured [RFC3108]
att-field (media level only) aal2sscs3662 [RFC3108]
att-field (media level only) aal5sscop [RFC3108]
att-field (media level only) atmmap [RFC3108]
att-field (media level only) silenceSupp [RFC3108]
att-field (media level only) ecan [RFC3108]
att-field (media level only) gc [RFC3108]
att-field (media level only) profileDesc [RFC3108]
att-field (media level only) vsel [RFC3108]
att-field (media level only) dsel [RFC3108]
att-field (media level only) fsel [RFC3108]
att-field (media level only) onewaySel [RFC3108]
att-field (media level only) codecconfig [RFC3108]
att-field (media level only) isup_usi [RFC3108]
att-field (media level only) uiLayer1_Prot [RFC3108]
att-field (media level only) chain [RFC3108]
att-field (media level only) floorctrl [RFC4583]
att-field (media level only) confid [RFC4583]
att-field (media level only) userid [RFC4583]
att-field (media level only) floorid [RFC4583]
att-field (media level only) FEC [RFC-mehta-rmt-flute-sdp-05]
att-field (media level only) accept-types [RFC4975]
att-field (media level only) accept-wrapped-types [RFC4975]
att-field (media level only) max-size [RFC4975]
att-field (media level only) path [RFC4975]
att-field (media level only) dccp-service-code [RFC5762]
att-field (media level only) rtcp-mux [RFC5761]
att-field (media level only) candidate [RFC5245]
att-field (media level only) ice-mismatch [RFC5245][RFC Errata 3149]
att-field (media level only) remote-candidates [RFC5245]
att-field (media level only) SRTPAuthentication [RFC5159]
att-field (media level only) SRTPROCTxRate [RFC5159]
att-field (media level only) rtcp-rsize [RFC5506]
att-field (media level only) file-selector [RFC5547]
att-field (media level only) file-transfer-id [RFC5547]
att-field (media level only) file-disposition [RFC5547]
att-field (media level only) file-date [RFC5547]
att-field (media level only) file-icon [RFC5547]
att-field (media level only) file-range [RFC5547]
att-field (media level only) depend [RFC5583]
att-field (media level only) ssrc [RFC5576]
att-field (media level only) ssrc-group [RFC5576]
att-field (media level only) rtcp-unicast [RFC5760]
att-field (media level only) pcfg [RFC5939]
att-field (media level only) acfg [RFC5939]
att-field (media level only) zrtp-hash [RFC6189]
att-field (media level only) X-predecbufsize [RFC6064]
att-field (media level only) X-initpredecbufperiod [RFC6064]
att-field (media level only) X-initpostdecbufperiod [RFC6064]
att-field (media level only) X-decbyterate [RFC6064]
att-field (media level only) 3gpp-videopostdecbufsize [RFC6064]
att-field (media level only) framesize [RFC6064]
att-field (media level only) 3GPP-SRTP-Config [RFC6064]
att-field (media level only) alt [RFC6064]
att-field (media level only) alt-default-id [RFC6064]
att-field (media level only) 3GPP-Adaptation-Support [RFC6064]
att-field (media level only) mbms-flowid [RFC6064]
att-field (media level only) fec-source-flow [RFC6364]
att-field (media level only) fec-repair-flow [RFC6364]
att-field (media level only) repair-window [RFC6364]
att-field (media level only) rams-updates [RFC6285]
att-field (media level only) imageattr [RFC6236]
att-field (media level only) cfw-id [RFC6230]
att-field (media level only) portmapping-req [RFC6284]
att-field (media level only) g.3gpp.cat [3GPP TS 24.182 v9.8.0 annex B][Frederic_Firmin]
att-field (media level only) g.3gpp.crs [3GPP TS 24.183 v9.5.0 annex E][Frederic_Firmin]
att-field (media level only) ecn-capable-rtp [RFC6679]
att-field (media level only) visited-realm [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) secondary-realm [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-s-cksum [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-m-cksum [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-codecs [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-m-att [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-s-att [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-m-bw [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) omr-s-bw [TS 24.229 v10.7.0 table 7.5.2][Frederic_Firmin]
att-field (media level only) msrp-cema [RFC6714]
att-field (media level only) dccp-port [RFC6773]
att-field (media level only) resource [RFC6787]
att-field (media level only) channel [RFC6787]
att-field (media level only) cmid [RFC6787]
att-field (media level only) content [RFC4796]
att-field (media level only) lcfg [RFC6871]
att-field (media level only) loopback [RFC6849]
att-field (media level only) loopback-source [RFC6849]
att-field (media level only) loopback-mirror [RFC6849]
att-field (media level only) chatroom [RFC-ietf-simple-chat-18]
att-field (media level only) altc [RFC6947]
att-field (media level only) T38FaxMaxIFP [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.][Simao_Campos-Neto]
att-field (media level only) T38FaxUdpECDepth [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.][Simao_Campos-Neto]
att-field (media level only) T38FaxUdpFECMaxSpan [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.][Simao_Campos-Neto]
att-field (media level only) T38ModemType [ITU-T Recommendation T.38 Annex D, 'SIP/SDP Call Establishment Procedures', September 2010.][Simao_Campos-Neto]
att-field (media level only) cs-correlation [RFC7195]
att-field (media level only) rtcp-idms [RFC7272]

att-field (source level)

Registration Procedure(s)
Specification Required
Reference
[RFC5576]
Available Formats

CSV
Type SDP Name Reference
att-field (source level) cname [RFC5576]
att-field (source level) previous-ssrc [RFC5576]
att-field (source level) fmtp [RFC5576]
att-field (source level) ts-refclk [RFC7273]
att-field (source level) mediaclk [RFC7273]

att-field (unknown level)

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

content SDP Parameters

Registration Procedure(s)
Specification Required
Reference
[RFC4796]
Available Formats

CSV
Type SDP Name Description Reference
content slides Presentation slides [RFC4796]
content speaker Image from the speaker [RFC4796]
content sl Sign language [RFC4796]
content main Main media stream [RFC4796]
content alt Alternative media stream [RFC4796]

Semantics for the "group" SDP Attribute

Registration Procedure(s)
Standards Action
Reference
[RFC5888]
Available Formats

CSV
Semantics Token Reference
Lip Synchronization LS [RFC5888]
Flow Identification FID [RFC5888]
Single Reservation flow SRF [RFC3524]
Alternative Network Address Types ANAT [RFC4091]
Forward Error Correction (Deprecated) FEC [RFC5956]
Forward Error Correction FR FEC-FR [RFC5956]
Composite Session CS [RFC-mehta-rmt-flute-sdp-05]
Decoding Dependency DDP [RFC5583]
Duplication DUP [RFC7104]

"rtcp-fb" Attribute Values

Registration Procedure(s)
First Come First Serve with permanent, stable, and publically accessible document.
Reference
[RFC4585]
Available Formats

CSV
Value Name Long Name Reference
ack Positive acknowledgement [RFC4585]
app Application-defined parameter [RFC4585]
ccm Codec Control Commands and Indications [RFC5104]
nack Negative Acknowledgement [RFC4585]
trr-int Minimal receiver report interval [RFC4585]

"ack" and "nack" Attribute Values

Registration Procedure(s)
First Come First Serve with a permanent, stable, and publically accessible document
Reference
[RFC4585]
Available Formats

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

"depend" SDP Attribute Values

Registration Procedure(s)
Specification Required
Reference
[RFC5583]
Available Formats

CSV
Token Semantics Reference
lay Layered decoding dependency [RFC5583]
mdc Multi descriptive decoding dependency [RFC5583]

"cs-correlation" Attribute Values

Registration Procedure(s)
Specification Required
Reference
[RFC7195]
Available Formats

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

Semantics for the "ssrc-group" SDP Attribute

Registration Procedure(s)
Standards Action
Reference
[RFC5576]
Available Formats

CSV
Token Semantics Reference
FID Flow Identification [RFC5576]
FEC Forward Error Correction [RFC5576]
FEC-FR Forward Error Correction FR [RFC5956]
DUP Duplication [RFC7104]

SDP/RTSP key management protocol identifiers

Registration Procedure(s)
Specification Required
Reference
[RFC4567]
Note
(associated with the protocol identifier KMPID)
Available Formats

CSV
Value Name Long Name Reference
mikey Multimedia Internet KEYing [RFC4567]

Codec Control Messages

Registration Procedure(s)
Specification Required
Reference
[RFC5104]
Available Formats

CSV
Value Name Long Name Usable with Reference
fir Full Intra Request Command ccm [RFC5104]
tmmbr Temporary Maximum Media Stream Bit Rate ccm [RFC5104]
tstr Temporal-Spatial Trade-off ccm [RFC5104]
vbcm H.271 video back channel messages ccm [RFC5104]

QoS Mechanism Tokens

Registration Procedure(s)
Specification Required
Reference
[RFC5432]
Available Formats

CSV
QoS Mechanism Reference
rsvp [RFC5432]
nsis [RFC5432]

SDP Capability Negotiation Option Tags

Registration Procedure(s)
IETF Review
Reference
[RFC5939]
Available Formats

CSV
Option Tag Reference
cap-v0 [RFC5939]
med-v0 [RFC6871]
bcap-v0 [RFC7006]
ccap-v0 [RFC7006]
icap-v0 [RFC7006]

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)
Unassigned
Reference
[RFC7273]
Available Formats

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

Media Clock Source Parameters

Registration Procedure(s)
Specification Required
Expert(s)
Unassigned
Reference
[RFC7273]
Available Formats

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

People

ID Name Contact URI Last Updated
[_3GPP_Specifications_Manager] 3GPP Specifications Manager mailto:3gppContact&etsi.org 2013-09-11
[Frederic_Firmin] Frederic Firmin mailto:frederic.firmin&etsi.org 2013-04-15
[Simao_Campos-Neto] Simão Campos-Neto mailto:simao.campos&itu.int 2013-06-06
[Sonia_Compans] Sonia Compans mailto:Sonia.Compans&etsi.org 2010-11-24

Footnotes

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