2001-06-15 2012-04-30 Standards Action media audio media video media text media application media message media image RFC (Standards-Track preferred) proto RTP/AVP proto udp proto vat proto rtp proto udptl ITU-T Recommendation T.38, 'Procedures for real-time Group 3 facsimile communication over IP networks', June 1998. (Section 9) proto TCP proto RTP/AVPF proto TCP/RTP/AVP proto RTP/SAVP proto TCP/BFCP proto TCP/TLS/BFCP proto TCP/TLS proto FLUTE/UDP proto TCP/MSRP proto TCP/TLS/MSRP proto DCCP proto DCCP/RTP/AVP proto DCCP/RTP/SAVP proto DCCP/RTP/AVPF proto DCCP/RTP/SAVPF proto RTP/SAVPF proto UDP/TLS/RTP/SAVP proto DCCP/TLS/RTP/SAVP proto UDP/TLS/RTP/SAVPF proto DCCP/TLS/RTP/SAVPF proto UDP/MBMS-FEC/RTP/AVP proto UDP/MBMS-FEC/RTP/SAVP proto UDP/MBMS-REPAIR proto FEC/UDP proto UDP/FEC historic Standards-Track RFC bwtype CT bwtype AS bwtype RS bwtype RR bwtype TIAS RFC nettype IN RFC addrtype IP4 addrtype IP6 REGISTRY OBSOLETED - No further registrations accepted enckey clear enckey base64 enckey uri enckey prompt Specification Required att-field (session level) cat att-field (session level) keywds att-field (session level) type att-field (session level) type:broadcast att-field (session level) type:H332 ITU Recommendation H.332 att-field (session level) type:meeting att-field (session level) type:moderated att-field (session level) type:test att-field (session level) charset att-field (session level) charset:iso8895-1 att-field (session level) tool att-field (session level) ipbcp ITU-T Recommendation Q.1970, "BICC IP bearer control protocol" (07/2001) att-field (session level) group att-field (session level) ice-lite att-field (session level) ice-mismatch att-field (session level) ice-options att-field (session level) bcastversion att-field (session level) 3GPP-Integrity-Key att-field (session level) 3GPP-SDP-Auth att-field (session level) alt-group att-field (session level) PSCid 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 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 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 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" Specification Required att-field (both session and media level) recvonly att-field (both session and media level) sendrecv att-field (both session and media level) sendonly att-field (both session and media level) sdplang att-field (both session and media level) lang att-field (both session and media level) h248item ITU-T H.248.15 att-field (both session and media level) sqn att-field (both session and media level) cdsc att-field (both session and media level) cpar att-field (both session and media level) cparmin att-field (both session and media level) cparmax att-field (both session and media level) rtcp-xr att-field (both session and media level) maxprate att-field (both session and media level) setup att-field (both session and media level) connection att-field (both session and media level) key-mgmt att-field (both session and media level) source-filter att-field (both session and media level) inactive att-field (both session and media level) fingerprint att-field (both session and media level) flute-tsi att-field (both session and media level) flute-ch att-field (both session and media level) FEC-declaration att-field (both session and media level) FEC-OTI-extension att-field (both session and media level) content-desc att-field (both session and media level) ice-pwd att-field (both session and media level) ice-ufrag att-field (both session and media level) stkmstream att-field (both session and media level) extmap att-field (both session and media level) qos-mech-send att-field (both session and media level) qos-mech-recv att-field (both session and media level) csup att-field (both session and media level) creq att-field (both session and media level) acap att-field (both session and media level) tcap att-field (both session and media level) 3GPP-QoE-Metrics att-field (both session and media level) 3GPP-Asset-Information att-field (both session and media level) mbms-mode att-field (both session and media level) mbms-repair att-field (both session and media level) ike-setup att-field (both session and media level) psk-fingerprint att-field (both session and media level) multicast-rtcp Specification Required att-field (media level only) ptime att-field (media level only) orient att-field (media level only) orient:portrait att-field (media level only) orient:landscape att-field (media level only) orient:seascape att-field (media level only) framerate att-field (media level only) quality att-field (media level only) rtpmap att-field (media level only) fmtp att-field (media level only) rtpred1 att-field (media level only) rtpred2 att-field (media level only) T38FaxVersion ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38MaxBitRate ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxFillBitRemoval ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxTranscodingMMR ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxTranscodingJBIG ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxRateManagement ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxMaxBuffer ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxMaxDatagram ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) T38FaxUdpEC ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005. att-field (media level only) maxptime att-field (media level only) des att-field (media level only) curr att-field (media level only) conf att-field (media level only) mid att-field (media level only) rtcp att-field (media level only) rtcp-fb att-field (media level only) label 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 att-field (media level only) eecid att-field (media level only) aalType att-field (media level only) capability att-field (media level only) qosClass att-field (media level only) bcob att-field (media level only) stc att-field (media level only) upcc att-field (media level only) atmQOSparms att-field (media level only) atmTrfcDesc att-field (media level only) abrParms att-field (media level only) abrSetup att-field (media level only) bearerType att-field (media level only) lij att-field (media level only) anycast att-field (media level only) cache att-field (media level only) bearerSigIE att-field (media level only) aalApp att-field (media level only) cbrRate att-field (media level only) sbc att-field (media level only) clkrec att-field (media level only) fec att-field (media level only) prtfl att-field (media level only) structure att-field (media level only) cpsSDUsize att-field (media level only) aal2CPS att-field (media level only) aal2CPSSDUrate att-field (media level only) aal2sscs3661unassured att-field (media level only) aal2sscs3661assured att-field (media level only) aal2sscs3662 att-field (media level only) aal5sscop att-field (media level only) atmmap att-field (media level only) silenceSupp att-field (media level only) ecan att-field (media level only) gc att-field (media level only) profileDesc att-field (media level only) vsel att-field (media level only) dsel att-field (media level only) fsel att-field (media level only) onewaySel att-field (media level only) codecconfig att-field (media level only) isup_usi att-field (media level only) uiLayer1_Prot att-field (media level only) chain att-field (media level only) floorctrl att-field (media level only) confid att-field (media level only) userid att-field (media level only) floorid att-field (media level only) FEC att-field (media level only) accept-types att-field (media level only) accept-wrapped-types att-field (media level only) max-size att-field (media level only) path att-field (media level only) dccp-service-code att-field (media level only) rtcp-mux att-field (media level only) candidate att-field (media level only) remote-candidates att-field (media level only) SRTPAuthentication att-field (media level only) SRTPROCTxRate att-field (media level only) rtcp-rsize att-field (media level only) file-selector att-field (media level only) file-transfer-id att-field (media level only) file-disposition att-field (media level only) file-date att-field (media level only) file-icon att-field (media level only) file-range att-field (media level only) depend att-field (media level only) ssrc att-field (media level only) ssrc-group att-field (media level only) rtcp-unicast att-field (media level only) pcfg att-field (media level only) acfg att-field (media level only) zrtp-hash att-field (media level only) X-predecbufsize att-field (media level only) X-initpredecbufperiod att-field (media level only) X-initpostdecbufperiod att-field (media level only) X-decbyterate att-field (media level only) 3gpp-videopostdecbufsize att-field (media level only) framesize att-field (media level only) 3GPP-SRTP-Config att-field (media level only) alt att-field (media level only) alt-default-id att-field (media level only) 3GPP-Adaptation-Support att-field (media level only) mbms-flowid att-field (media level only) fec-source-flow att-field (media level only) fec-repair-flow att-field (media level only) repair-window att-field (media level only) rams-updates att-field (media level only) imageattr att-field (media level only) cfw-id att-field (media level only) portmapping-req att-field (media level only) g.3gpp.cat 3GPP TS 24.182 v9.8.0 annex B att-field (media level only) g.3gpp.crs 3GPP TS 24.183 v9.5.0 annex E historic; use fmtp as per Specification Required att-field (source level) cname att-field (source level) previous-ssrc att-field (source level) fmtp Specification Required Specification Required content slides Presentation slides content speaker Image from the speaker content sl Sign language content main Main media stream content alt Alternative media stream Standards Action Lip Synchronization LS Flow Identification FID Single Reservation flow SRF Alternative Network Address Types ANAT Forward Error Correction (Deprecated) FEC Forward Error Correction FR FEC-FR Composite Session CS Decoding Dependency DDP First Come First Serve with permanent, stable, and publically accessible document. ack Positive acknowledgement app Application-defined parameter ccm Codec Control Commands and Indications nack Negative Acknowledgement trr-int Minimal receiver report interval First Come First Serve with a permanent, stable, and publically accessible document sli Slice Loss Indication nack pli Picture Loss Indication nack rpsi Reference Picture Selection Indication ack, nack app Application layer feedback ack, nack rai Rapid Acquisition Indication nack tllei Transport Layer Third-Party Loss Early Indication nack pslei Payload Specific Third-Party Loss Early Indication nack Specification Required lay Layered decoding dependency mdc Multi descriptive decoding dependency Standards Action FID Flow Identification FEC Forward Error Correction FEC-FR Forward Error Correction FR Specification Required (associated with the protocol identifier KMPID) mikey Multimedia Internet KEYing Specification Required fir Full Intra Request Command ccm tmmbr Temporary Maximum Media Stream Bit Rate ccm tstr Temporal-Spatial Trade-off ccm vbcm H.271 video back channel messages ccm Specification Required rsvp nsis IETF Review cap-v0 IETF Review a attribute t transport protocol Frederic Firmin mailto:frederic.firmin&etsi.org 2011-12-07 Sonia Compans mailto:Sonia.Compans&etsi.org 2010-11-24