ABCDEFGHI
1
TypeNameSourceMedia, transport or flowImportance to RTCWEBComments
2
att-field (media level only)rtpred1[2]
3
att-field (media level only)rtpred2[2]
4
att-field (media level only)g.3gpp.cat[3GPP TS 24.182 v9.8.0 annex B][Frederic_Firmin]0
5
att-field (media level only)g.3gpp.crs[3GPP TS 24.183 v9.5.0 annex E][Frederic_Firmin]0
6
att-field (both session and media level)h248item[ITU-T H.248.15]0
7
att-field (media level only)T38FaxFillBitRemoval[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
8
att-field (media level only)T38FaxMaxBuffer[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
9
att-field (media level only)T38FaxMaxDatagram[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
10
att-field (media level only)T38FaxRateManagement[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
11
att-field (media level only)T38FaxTranscodingJBIG[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
12
att-field (media level only)T38FaxTranscodingMMR[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
13
att-field (media level only)T38FaxUdpEC[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
14
att-field (media level only)T38FaxVersion[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
15
att-field (media level only)T38MaxBitRate[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
16
att-field (media level only)T38VendorInfo[ITU-T Recommendation T.38 Amendment 2 Annex D, 'SIP/SDP Call Establishment Procedures', February 2000, July 2005.]F0
17
att-field (both session and media level)content-desc[RFC-mehta-rmt-flute-sdp-05]
18
att-field (media level only)FEC[RFC-mehta-rmt-flute-sdp-05]
19
att-field (both session and media level)FEC-declaration[RFC-mehta-rmt-flute-sdp-05]
20
att-field (both session and media level)FEC-OTI-extension[RFC-mehta-rmt-flute-sdp-05]
21
att-field (both session and media level)flute-ch[RFC-mehta-rmt-flute-sdp-05]
22
att-field (both session and media level)flute-tsi[RFC-mehta-rmt-flute-sdp-05]
23
att-field (media level only)aal2CPS[RFC3108]0
24
att-field (media level only)aal2CPSSDUrate[RFC3108]0
25
att-field (media level only)aal2sscs3661assured[RFC3108]0
26
att-field (media level only)aal2sscs3661unassured[RFC3108]0
27
att-field (media level only)aal2sscs3662[RFC3108]0
28
att-field (media level only)aal5sscop[RFC3108]0
29
att-field (media level only)aalApp[RFC3108]0
30
att-field (media level only)aalType[RFC3108]0
31
att-field (media level only)abrParms[RFC3108]0
32
att-field (media level only)abrSetup[RFC3108]0
33
att-field (media level only)anycast[RFC3108]
34
att-field (media level only)atmmap[RFC3108]0
35
att-field (media level only)atmQOSparms[RFC3108]0
36
att-field (media level only)atmTrfcDesc[RFC3108]0
37
att-field (media level only)bcob[RFC3108]
38
att-field (media level only)bearerSigIE[RFC3108]
39
att-field (media level only)bearerType[RFC3108]
40
att-field (media level only)cache[RFC3108]
41
att-field (media level only)capability[RFC3108]
42
att-field (media level only)cbrRate[RFC3108]
43
att-field (media level only)chain[RFC3108]
44
att-field (media level only)clkrec[RFC3108]
45
att-field (media level only)codecconfig[RFC3108]
46
att-field (media level only)cpsSDUsize[RFC3108]
47
att-field (media level only)dsel[RFC3108]
48
att-field (media level only)ecan[RFC3108]
49
att-field (media level only)eecid[RFC3108]
50
att-field (media level only)fec[RFC3108]
51
att-field (media level only)fsel[RFC3108]
52
att-field (media level only)gc[RFC3108]
53
att-field (media level only)isup_usi[RFC3108]0
54
att-field (media level only)lij[RFC3108]0
55
att-field (media level only)onewaySel[RFC3108]
56
att-field (media level only)profileDesc[RFC3108]
57
att-field (media level only)prtfl[RFC3108]
58
att-field (media level only)qosClass[RFC3108]
59
att-field (media level only)sbc[RFC3108]
60
att-field (media level only)silenceSupp[RFC3108]
61
att-field (media level only)stc[RFC3108]
62
att-field (media level only)structure[RFC3108]
63
att-field (media level only)uiLayer1_Prot[RFC3108]
64
att-field (media level only)upcc[RFC3108]
65
att-field (media level only)vsel[RFC3108]
66
att-field (media level only)conf[RFC3312]T or FDepends on scope of reservation
67
att-field (media level only)curr[RFC3312]T or FDepends on scope of reservation
68
att-field (media level only)des[RFC3312]T or FDepends on scope of reservation
69
att-field (both session and media level)cdsc[RFC3407]MActually defined in terms of m= line, so (by definition) has a one-to-one mapping with m= sections, regardless of how we define them.
70
att-field (both session and media level)cpar[RFC3407]MActually defined in terms of m= line, so (by definition) has a one-to-one mapping with m= sections, regardless of how we define them.
71
att-field (both session and media level)cparmax[RFC3407]MActually defined in terms of m= line, so (by definition) has a one-to-one mapping with m= sections, regardless of how we define them.
72
att-field (both session and media level)cparmin[RFC3407]MActually defined in terms of m= line, so (by definition) has a one-to-one mapping with m= sections, regardless of how we define them.
73
att-field (both session and media level)sqn[RFC3407]MActually defined in terms of m= line, so (by definition) has a one-to-one mapping with m= sections, regardless of how we define them.
74
att-field (media level only)rtcp[RFC3605]T
75
att-field (both session and media level)rtcp-xr[RFC3611]T
76
att-field (both session and media level)maxprate[RFC3890]
77
att-field (both session and media level)connection[RFC4145]
78
att-field (both session and media level)setup[RFC4145]
79
att-field (media level only)fmtp[RFC4566]
80
att-field (both session and media level)inactive[RFC4566]F
81
att-field (both session and media level)lang[RFC4566]
82
att-field (media level only)maxptime[RFC4566]
83
att-field (media level only)orient[RFC4566]
84
att-field (media level only)orient:landscape[RFC4566]
85
att-field (media level only)orient:portrait[RFC4566]
86
att-field (media level only)orient:seascape[RFC4566]
87
att-field (media level only)ptime[RFC4566]
88
att-field (media level only)quality[RFC4566]
89
att-field (both session and media level)recvonly[RFC4566]F1
90
att-field (media level only)rtpmap[RFC4566]M1[phk] This defines a particular payload type number for all flows within a transport. To me that means it is a T, not an M. However, it does also need to be bound to a media type, that it expects to inherit from the parent m-line.
91
att-field (both session and media level)sdplang[RFC4566]MThis is actually a stateful value that applies to anything that appears after it, and it is reset at the top of each m= section.
92
att-field (both session and media level)sendonly[RFC4566]F1
93
att-field (both session and media level)sendrecv[RFC4566]F1
94
att-field (both session and media level)key-mgmt[RFC4567]0We won't be using these extension, AFAIK
95
att-field (media level only)crypto[RFC4568]T1
96
att-field (both session and media level)source-filter[RFC4570]T
97
att-field (both session and media level)fingerprint[RFC4572]T1
98
att-field (media level only)label[RFC4574]F1
99
att-field (media level only)confid[RFC4583]M
100
att-field (media level only)floorctrl[RFC4583]M