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A.3 Profile definition for the Session Description Protocol as used in the present document  A.3.1 Introduction  A.3.2 User agent role 
...

 

A.3  Profile definition for the Session Description Protocol as used in the present document  p. 788

A.3.1  Introduction  p. 788

Void.

A.3.2  User agent role  p. 789

This subclause contains the ICS proforma tables related to the user agent role. They need to be completed only for UA implementations.
Prerequisite: A.2/1 -- user agent role

A.3.2.1  Major capabilities  p. 790

Item Does the implementation support Capabilities within main protocol
Extensions		 Reference RFC status Profile status
22integration of resource management and SIP?[30] [64]oc14
23grouping of media lines?[53]c3c3
24mapping of media streams to resource reservation flows?[54]oc1
25SDP bandwidth modifiers for RTCP bandwidth?[56]oo (NOTE 1)
26TCP-based media transport in the session description protocol?[83]oc2
27interactive connectivity establishment?[289], [290]oc4
28session description protocol format for binary floor control protocol streams?[108]oo
29extended RTP profile for real-time transport control protocol (RTCP)-based feedback (RTP/AVPF)?[135]oc5
30SDP capability negotiation?[137]oc6
31Session Description Protocol (SDP) extension for setting up audio media streams over circuit-switched bearers in the Public Switched Telephone Network (PSTN)?[155]oc7
32miscellaneous capabilities negotiation in the Session Description Protocol (SDP)?[156]oc7
33transport independent bandwidth modifier for the Session Description Protocol?[152]oc8
34Secure Real-time Transport Protocol (SRTP)?[169]oc15
35MIKEY-TICKET?[170]oc10
36SDES?[168]oc9
37end-to-access-edge media security using SDES?7.5.2n/ac16
37Aend-to-access-edge media security for MSRP using TLS and certificate fingerprints?7.5.2n/ac22
37Bend-to-access-edge media security for BFCP using TLS and certificate fingerprints?7.5.2n/ac23
37Cend-to-access-edge media security for UDPTL using DTLS and certificate fingerprints?7.5.2n/ac24
37Dend-to-access-edge media security for RTP media using DTLS-SRTP and certificate fingerprints?7.5.2n/ac40
38SDP media capabilities negotiation?[172]oc12
39Transcoding Services Invocation in the Session Initiation Protocol (SIP) Using Third Party Call Control (3pcc)?[166]oc13
40Message Session Relay Protocol?[178]oc17
40AConnection establishment for media anchoring for the message session relay protocol?[214]oc26
41a SDP offer/answer mechanism to enable file transfer?[185]oo
42optimal media routeing[11D]n/ac18
43ECN for RTP over UDP[188]oc19
44T.38 FAX?[202]n/ac20
45support for reduced-size RTCP?[204]oo
46RTCP extended reports?[205]oo
47maximum receive SDU size?[9B]oo
48the SDP content attribute?[206]oc21
49a general mechanism for RTP header extensions?[210]oo
50negotiation of generic image attributes in the session description protocol (SDP)?[211]oo
51connection-oriented media transport over the TLS protocol in the SDP?[241]oc25
52UDPTL over DTLS?[217]oc27
53telepresence?[7G]oo
54SCTP over DTLS?[219]oc28
55DTLS-SRTP?[222], [223]oc41
56STUN Usage for Consent Freshness?[224]oc29
57Alternate Connectivity (ALTC) Attribute?[228]oc30
583GPP MTSI RTCP-APP adaptation?[9B]n/ao
593GPP MTSI Pre-defined Region-of-Interest (ROI)?[9B]n/ao
603GPP MTSI Arbitrary Region-of-Interest (ROI)?[9B]n/ao
61multiplexing RTP data and control packets on a single port[237], [237A]oo
61AExclusive RTP and RTCP multiplexed on one port (a=rtcp-mux-only)?[246]oc34
62SDP-based data channel negotiation?[238]oc31
63Media plane optimization for WebRTC?[8Z]n/ac32
64Enhanced bandwidth negotiation mechanism?[9B]n/ao
65an SDP offer/answer mechanism to negotiate DTLS protected media?[240]oc33
66Using simulcast in SDP and RTP sessions?[249]oc35
67RTP payload format restrictions?[250]oc36
68Compact Concurrent Codec Negotiation and Capabilities?[9B]n/ac35
693GPP MTSI Delay Budget Information (DBI)?[9B]n/ac37
70Access Network Bitrate Recommendation (ANBR)?[9B]n/ac38
71Framework for Live Uplink Streaming (FLUS)?[276]n/ac39
72IMS data channels?[297], [9B]n/ac42
c1:
IF A.3/1 THEN m ELSE n/a - - UE role.
c2:
IF A.3/9B AND A.3/13B THEN m ELSE IF A.3/1 OR A.3/2A OR A.3/6 OR A.3/7 THEN o ELSE n/a - - IBCF (IMS-ALG), ISC gateway function (IMS-ALG), UE, P-CSCF (IMS-ALG), MGCF, AS.
c3:
IF A.317/24 OR A.317/53 THEN m ELSE o - - mapping of media streams to resource reservation flows, telepresence.
c4:
IF A.3/9B OR A.3/13B THEN m ELSE IF A.3/1 OR A.3/6 THEN o ELSE n/a - - IBCF (IMS-ALG), application gateway function (IMS-ALG), UE, MGCF.
c5:
IF A.3A/50 OR A.3A/50A OR A.3/6 OR A.3/9B OR A.3A/89 OR A.3A/11 OR A.3A/12 THEN m ELSE o - - multimedia telephony service participant, multimedia telephony service application server, MGCF, IBCF (IMS-ALG), ATCF (UA), conference focus, conference participant.
c6:
IF A.3A/50 OR A.3A/50A OR A.3/6 OR A.3/9B OR A.3/13B OR A.3A/89 THEN m ELSE o - - multimedia telephony service participant, multimedia telephony service application server, MGCF, IBCF (IMS-ALG), application gateway function (IMS-ALG), ATCF (UA).
c7:
IF A.3A/82 OR A.3A/83 THEN m ELSE o - - ICS user agent, SCC application server.
c8:
IF A.317/25 AND (A.3/1 OR A.3/6 OR A.3A/89) THEN o ELSE n/a - - SDP bandwidth modifiers for RTCP bandwidth, UE, MGCF, ATCF (UA).
c9:
IF A.3D/30 OR A.3D/20 THEN m ELSE n/a - - end-to-access-edge media security using SDES, end-to-end media security using SDES.
c10:
IF A.3D/21 OR A.3D/22 THEN m ELSE n/a - - end-to-end media security using KMS, end-to-end media security for MSRP using TLS and KMS.
c12:
IF A.3A/82 OR A.3A/83 THEN m ELSE o - - ICS user agent, SCC application server.
c13:
IF IF A.3/7D OR A.3/8 THEN o else n/a - - AS performing 3rd party call control or MRFC.
c14:
IF A.4/2C THEN m ELSE o - - initiating a session which require local and/or remote resource reservation.
c15:
IF A.3D/20 OR A.3D/21 OR A.3D/30 THEN m ELSE n/a - - end-to-end media security using SDES, end-to-end media security using KMS, end-to-access-edge media security using SDES.
c16:
If A.3D/30 THEN m ELSE n/a - - end-to-access-edge media security using SDES.
c17:
IF A.3A/33B OR A.3A/34 THEN m ELSE IF A.3A/8 OR A.3A/9 OR A.3/2A THEN o ELSE n/a - - session-mode messaging participant, session-mode messaging intermediate node, IBCF, MRFC, P-CSCF (IMS-ALG).
c18:
IF A.3/2A OR A.3/6 OR A.3/7 OR A.3/9B OR A.3A/89 OR A.3/13B THEN o ELSE n/a - - P-CSCF (IMS-ALG), MGCF, AS, IBCF (IMS-ALG), ATCF (UA), application gateway function (IMS-ALG).
c19:
IF A.3/2A OR A.3/6 OR A.3/8 OR A.3/9B OR A.3A/81 OR A.3A/89 OR A.3/13B OR A.3A/81A OR A.3A/81B THEN o ELSE n/a - - P-CSCF (IMS-ALG), MGCF, MRFC, IBCF (IMS-ALG), MSC Server enhanced for ICS, ATCF (UA), application gateway function (IMS-ALG), MSC server enhanced for SRVCC using SIP interface, MSC server enhanced for DRVCC using SIP interface.
c20:
IF A.3/1 OR A.3/6 THEN o ELSE n/a - - UE, MGCF.
c21:
IF A.3A/57 OR A.3A/58 OR A.3A/59 OR A.3A/60 OR A.3/2A OR A.3/9B OR A.3A/11 OR A.3A/12 THEN m ELSE o - - Customized alerting tones application server, Customized alerting tones UA client, Customized ringing signal application server, Customized ringing signal UA client, P-CSCF (IMS-ALG), IBCF (IMS-ALG), conference focus, conference participant.
c22:
If A.3D/20A THEN m ELSE n/a - - end-to-access-edge media security for MSRP using TLS and certificate fingerprints.
c23:
If A.3D/20B THEN m ELSE n/a - - end-to-access-edge media security for BFCP using TLS and certificate fingerprints.
c24:
If A.3D/20C THEN m ELSE n/a - - end-to-access-edge media security for UDPTL using DTLS and certificate fingerprints.
c25:
IF (A.317/37A AND A.317/40) OR (A.317/37B AND A.317/28) OR (A.317/37C AND A.317/52) OR (A.317/37D AND A.317/55) THEN m ELSE o - - end-to-access-edge media security for MSRP using TLS and certificate fingerprints, message session relay protocol, end-to-access-edge media security for BFCP using TLS and certificate fingerprints, session description protocol format for binary floor control protocol streams, end-to-access-edge media security for UDPTL using DTLS and certificate fingerprints, UDPTL over DTLS, end-to-access-edge media security for RTP media using DTLS-SRTP and certificate fingerprints, DTLS-SRTP.
c26:
IF A.317/40 THEN m ELSE n/a - - message session relay protocol.
c27:
IF A.317/37C THEN m ELSE o - - end-to-access-edge media security for UDPTL using DTLS and certificate fingerprints.
c28:
IF (A.3/1 AND A.317/53) OR A.3/14 OR A.3A/95 THEN m ELSE o - - UE, telepresence, Gm based WIC, eP-CSCF.
c29:
IF A.3/14 OR A.3A/95 THEN m ELSE o - - Gm based WIC, eP-CSCF.
c30:
IF A.3A/81 OR A.3/9B OR A.3/2A THEN o ELSE n/a - - UE performing the functions of an external attached network, IBCF (IMS-ALG), P-CSCF (IMS-ALG).
c31:
IF A.3/14 OR A.3A/95 THEN o ELSE n/a - - Gm based WIC, eP-CSCF.
c32:
IF A.3A/95 OR A.3/9B THEN o ELSE n/a - - eP-CSCF, IMS-ALG.
c33:
IF A.317/52 OR A.317/54 OR A.317/55 THEN m ELSE n/a - - UDPTL over DTLS, SCTP over DTLS, DTLS-SRTP.
c34:
IF A.3/14 OR A.3A/95 THEN m ELSE n/a - - Gm based WIC, eP-CSCF.
c35:
IF A.3A/11 OR A.3A/12 THEN o ELSE n/a - - conference focus, conference participant.
c36:
IF A.317/66 AND (A.3A/11 OR A.3A/12) THEN o ELSE n/a - - Using simulcast in SDP and RTP sessions, conference focus, conference participant.
c37:
IF A.3/1 OR A.3/2A OR A.3/8 OR A.3/9B THEN o ELSE n/a - - UE, P-CSCF (IMS-ALG), MRFC, IBCF (IMS-ALG).
c38:
IF A.3/1 THEN o ELSE n/a - - UE.
c39:
IF A.3/1 OR A.3/2 THEN o ELSE n/a - - UE, P-CSCF.
c40:
IF A.3D/31 THEN m ELSE n/a - - end-to-access-edge media security for RTP media using DTLS-SRTP and certificate fingerprints.
c41:
IF A.3D/31 THEN m ELSE o - - end-to-access-edge media security for RTP media using DTLS-SRTP and certificate fingerprints.
c42:
IF A.3/1 OR A.3/8 OR A.3A/50A THEN o ELSE n/a - - UE, MRFC, Multimedia telephony service application server.
NOTE 1:
For "video" and "audio" media types that utilise RTP/RTCP, if the RTCP bandwidth level for the session is different than the default RTCP bandwidth as specified in RFC 3556 [56], then, it shall be specified. For other media types, it may be specified.
Up

A.3.2.2  SDP types  p. 793

Item Type Sending Receiving
Ref. RFC status Profile status Ref. RFC status Profile status
Session level description
1v= (protocol version)[39] 5.1mm[39] 5.1mm
2o= (owner/creator and session identifier)[39] 5.2mm[39] 5.2mm
3s= (session name)[39] 5.3mm[39] 5.3mm
4i= (session information)[39] 5.4oc2[39] 5.4mc3
5u= (URI of description)[39] 5.5oc4[39] 5.5on/a
6e= (email address)[39] 5.6oc4[39] 5.6on/a
7p= (phone number)[39] 5.6oc4[39] 5.6on/a
8c= (connection information)[39] 5.7c5c5[39] 5.7mm
9b= (bandwidth information)[39] 5.8oo[39] 5.8mm
Time description (one or more per description)
10t= (time the session is active)[39] 5.9mm[39] 5.9mm
11r= (zero or more repeat times)[39] 5.10oc4[39] 5.10on/a
Session level description (continued)
12z= (time zone adjustments)[39] 5.11on/a[39] 5.11on/a
13k= (encryption key)[39] 5.12xx[39] 5.12n/an/a
14a= (zero or more session attribute lines)[39] 5.13oo[39] 5.13mm
Media description (zero or more per description)
15m= (media name and transport address)[39] 5.14mm[39] 5.14mm
16i= (media title)[39] 5.4oc2[39] 5.4oc3
17c= (connection information)[39] 5.7c1c1[39] 5.7mm
18b= (bandwidth information)[39] 5.8oo[39] 5.8mm
19k= (encryption key)[39] 5.12xx[39] 5.12n/an/a
20a= (zero or more media attribute lines)[39] 5.13oo[39] 5.13mm
c1:
IF (A.318/15 AND NOT A.318/8) THEN m ELSE IF (A.318/15 AND A.318/8) THEN o ELSE n/a - - "c=" contained in session level description and SDP contains media descriptions.
c2:
IF A.3/6 THEN x ELSE o - - MGCF.
c3:
IF A.3/6 THEN n/a ELSE m - - MGCF.
c4:
IF A.3/6 THEN x ELSE n/a - - MGCF.
c5:
IF A.318/17 THEN o ELSE m - - "c=" contained in all media description.
Prerequisite A.318/14 OR A.318/20 - - a= (zero or more session/media attribute lines)
Item Field Sending Receiving
Ref. RFC status Profile status Ref. RFC status Profile status
1category (a=cat)[39] 6c8c8[39] 6c9c9
2keywords (a=keywds)[39] 6c8c8[39] 6c9c9
3name and version of tool (a=tool)[39] 6c8c8[39] 6c9c9
4packet time (a=ptime)[39] 6c10c10[39] 6c11c11
5maximum packet time (a=maxptime)[39] 6 (NOTE 1)c10c10[39] 6 (NOTE 1)c11c11
6receive-only mode (a=recvonly)[39] 6oo[39] 6mm
7send and receive mode (a=sendrecv)[39] 6oo[39] 6mm
8send-only mode (a=sendonly)[39] 6oo[39] 6mm
8AInactive mode (a=inactive)[39] 6oo[39] 6mm
9whiteboard orientation (a=orient)[39] 6c10c10[39] 6c11c11
10conference type (a=type)[39] 6c8c8[39] 6c9c9
11character set (a=charset)[39] 6c8c8[39] 6c9c9
12language tag (a=sdplang)[39] 6oo[39] 6mm
13language tag (a=lang)[39] 6oo[39] 6mm
14frame rate (a=framerate)[39] 6c10c10[39] 6c11c11
15quality (a=quality)[39] 6c10c10[39] 6c11c11
16format specific parameters (a=fmtp)[39] 6c10c10[39] 6c11c11
17rtpmap attribute (a=rtpmap)[39] 6c10c10[39] 6c11c11
18current-status attribute (a=curr)[30] 5c1c1[30] 5c2c2
19desired-status attribute (a=des)[30] 5c1c1[30] 5c2c2
20confirm-status attribute (a=conf)[30] 5c1c1[30] 5c2c2
21media stream identification attribute (a=mid)[53] 3c3c3[53] 3c4c4
22group attribute (a=group)[53] 4c5c5[53] 3c6c6
23setup attribute (a=setup)[83] 4c7c45[83] 4c7c45
24connection attribute (a=connection)[83] 5c7c7[83] 5c7c7
24ADTLS association ID attribute (a=tls-id)[240] 4c62c62[240] 4c62c62
25IP addresses (a=candidate)[290]c12c12[290]c13c13
26floor control server determination (a=floorctrl)[108] 4c14c14[108] 4c14c14
27conference id (a=confid)[108] 5c14c14[108] 5c14c14
28user id (a=userid)[108] 5c14c14[108] 5c14c14
29association between streams and floors (a=floorid)[108] 6c14c14[108] 6c14c14
30RTCP feedback capability attribute (a=rtcp-fb)[135] 4.2c15c15[135] 4.2c15c15
31extension of the rtcp-fb attribute (a=rtcp-fb)[136] 7.1, [188] 6.2, [251] 9c15c15[136] 7.1, [251] 9c15c15
32supported capability negotiation extensions (a=csup)[137] 3.3.1c16c16[137] 3.3.1c16c16
33required capability negotiation extensions (a=creq)[137] 3.3.2c16c16[137] 3.3.2c16c16
34attribute capability (a=acap)[137] 3.4.1c16c16[137] 3.4.1c16c16
35transport protocol capability (a=tcap)[137] 3.4.2c16c16[137] 3.4.2c16c16
36potential configuration (a=pcfg)[137] 3.5.1
[172] 3.3.6		c16c16[137] 3.5.1
[172] 3.3.6		c16c16
37actual configuration (a=acfg)[137] 3.5.2c16c16[137] 3.5.2c16c16
38connection data capability (a=ccap)[156] 3.1c17c17[156] 3.1c18c18
39maximum packet rate (a=maxprate)[152] 6.3c19c19[152] 6.3c19c19
40crypto attribute (a=crypto)[168]c20c20[168]c20c20
41key management attribute (a=key-mgmt)[167]c21c21[167]c21c21
423GPP_e2ae-security-indicator (a=3ge2ae)7.5.2c22c227.5.2c22c22
43media capability (a=rmcap)[172] 3.3.1c23c23[172] 3.3.1c23c23
43Amedia capability (a=omcap)[172] 3.3.1c23c23[172] 3.3.1c23c23
44media format capability (a=mfcap)[172] 3.3.2c23c23[172] 3.3.2c23c23
45media-specific capability (a=mscap)[172] 3.3.3c23c23[172] 3.3.3c23c23
46latent configuration (a=lcfg)[172] 3.3.5c44c44[172] 3.3.5c44c44
47session capability (a=sescap)[172] 3.3.8c24c24[172] 3.3.8c24c24
48msrp path (a=path)[178]c25c25[178]c25c25
49file selector (a=file-selector)[185] 6c27c27[185] 6c28c28
50file transfer identifier (a= file-transfer-id)[185] 6c26c26[185] 6c28c28
51file disposition (a=file-disposition)[185] 6c26c26[185] 6c28c28
52file date (a=file-date)[185] 6c26c26[185] 6c28c28
53file icon (a=file-icon[185] 6c26c26[185] 6c28c28
54file range (a=file-range)[185] 6c26c26[185] 6c28c28
55optimal media routeing visited realm (a=visited-realm)7.5.3c29c297.5.3c29c29
56optimal media routeing secondary realm (a=secondary-realm)7.5.3c29c297.5.3c29c29
57optimal media routeing media level checksum (a=omr-m-cksum)7.5.3c29c297.5.3c29c29
58optimal media routeing session level checksum (a=omr-s-cksum)7.5.3c29c297.5.3c29c29
59optimal media routeing codecs (a=omr-codecs)7.5.3c29c297.5.3c29c29
60optimal media routeing media attributes (a=omr-m-att)7.5.3c29c297.5.3c29c29
61optimal media routeing session attributes (a=omr-s-att)7.5.3c29c297.5.3c29c29
62optimal media routeing media bandwidth (a=omr-m-bw)7.5.3c29c297.5.3c29c29
63optimal media routeing session bandwidth (a=omr-s-bw)7.5.3c29c297.5.3c29c29
64ecn-attribute (a=ecn-capable-rtp)[188]c30c30[188]c30c30
65T38 FAX Protocol version (a=T38FaxVersion)[202]n/ac31[202]n/ac31
66T38 FAX Maximum Bit Rate (a=T38MaxBitRate)[202]n/ac31[202]n/ac31
67T38 FAX Rate Management (a=T38FaxRateManagement)[202]n/ac31[202]n/ac31
68T38 FAX Maximum Buffer Size (a=T38FaxMaxBuffer)[202]n/ac31[202]n/ac31
69T38 FAX Maximum Datagram Size (a=T38FaxMaxDatagram)[202]n/ac31[202]n/ac31
70T38 FAX maximum IFP frame size (a=T38FaxMaxIFP)[202]n/ac32[202]n/ac32
71T38 FAX UDP Error Correction Scheme (a=T38FaxUdpEC)[202]n/ac32[202]n/ac32
72T38 FAX UDP Error Correction Depth (a=T38FaxUdpECDepth)[202]n/ac32[202]n/ac32
73T38 FAX UDP FEC Maximum Span (a=T38FaxUdpFECMaxSpan)[202]n/ac32[202]n/ac32
74T38 FAX Modem Type (a=T38ModemType)[202]n/ac32[202]n/ac32
75T38 FAX Vendor Info
(a=T38VendorInfo)		[202]n/ac32[202]n/ac32
76reduced-size RTCP (a=rtcp-rsize)[204]c33c33[204]c34c34
77RTP control protocol extended report parameters (a=rtcp-xr)[205]c35c35[205]c36c36
78maximum receive SDU size (a=3gpp_MaxRecvSDUSize)[9B]c37c37[9B]c38c38
79content (a=content)[206]c39c39[206]c39c39
80generic header extension map definition (a=extmap)[210]c40c40[210]c41c41
81image attribute (a=imageattr)[211]c42c42[211]c43c43
82fingerprint (a=fingerprint)[241]c46c46[241]c46c46
83msrp-cema (a=msrp-cema)[214]c47c47[214]c47c47
84sctp-port (a=sctp-port)[219]c48c48[219]c48c48
84Amax-message-size (a=max-message-size)[219]c68c68[219]c48c48
85CS correlation (a=cs-correlation)[155] 5.2.3.1c49c49[155] 5.2.3.1c49c49
86Alternate Connectivity (ALTC) Attribute (a=altc)[228]oc50[228]oc50
873GPP MTSI RTCP-APP adaptation (a=3gpp_mtsi_app_adapt)[9B]n/ac51[9B]n/ac52
883GPP MTSI Pre-defined Region-of-Interest (ROI)
(a=predefined_ROI)		[9B]n/ac53[9B]n/ac54
89RTP and RTCP multiplexed on one port (a=rtcp-mux)[237], [237A]c55c55[237], [237A]c55c55
90data channel mapping (a=dcmap)[238]c56c56[238]c56c56
91data channel subprotocol specific attributes (a=dcsa)[238]c55c56[238]c56c56
92Media plane optimization for WebRTC Contact (a= tra-contact)7.5.4c57c577.5.4c57c57
93Media plane optimization for WebRTC m-line (a= tra-m-line)7.5.4c58c587.5.4c58c58
94Media plane optimization for WebRTC attribute (a= tra-att)7.5.4c57c577.5.4c57c57
95Media plane optimization for WebRTC bandwidth (a= tra-bw)7.5.4c57c577.5.4c57c57
96Media plane optimization for WebRTC SCTP-association (a= tra-SCTP-association)7.5.4c58c587.5.4c58c58
97Media plane optimization for WebRTC media line number (a= tra-media-line-number)7.5.4c59c597.5.4c59c59
98Enhanced bandwidth negotiation mechanism (a=bw-info)[9B]n/ac60[9B]n/ac61
99Exclusive RTP and RTCP multiplexed on one port (a=rtcp-mux-only)[246]c63c63[246]c63c63
100Simulcast stream description (a=simulcast)[249] 6.1c64c64[249] 6.1c64c64
101Restriction identifier (a=rid)[250] 10c65c65[250] 10c66c66
1023GPP compact concurrent codec capabilities (a=ccc-list)[9B]n/ac67[9B]n/ac67
103Delay Budget Information (DBI) RTCP feedback type (a=rtcp-fb:* 3gpp-delay-budget)[9B] 6.2.8n/ac69[9B] 6.2.8n/ac69
104ANBR Support attribute (a=anbr)[9B]n/ac70[9B]n/ac70
105Label attribute (a=label)[277] 4oc71[277] 4oc71
1063GPP QoS hint attribute (a=3gpp-qos-hint)[9B] 6.2.7.4n/ac72[9B] 6.2.7.4n/ac72
1073GPP bootstrap data channel used by attribute (a=3gpp-bdc-used-by)[9B] 6.2.12n/ac73[9B] 6.2.12n/ac73
108IMS data channel requesting application attribute (3gpp-req-app)[9B] 6.2.13n/ac74[9B] 6.2.13n/ac74
c1:
IF A.317/22 AND A.318/20 THEN o ELSE n/a - - integration of resource management and SIP, media level attribute name "a=".
c2:
IF A.317/22 AND A.318/20 THEN m ELSE n/a - - integration of resource management and SIP, media level attribute name "a=".
c3:
IF A.317/23 AND A.318/20 THEN o ELSE n/a - - grouping of media lines, media level attribute name "a=".
c4:
IF A.317/23 AND A.318/20 THEN m ELSE n/a - - grouping of media lines, media level attribute name "a=".
c5:
IF A.317/23 AND A.318/14 THEN o ELSE n/a - - grouping of media lines, session level attribute name "a=".
c6:
IF A.317/23 AND A.318/14 THEN m ELSE n/a - - grouping of media lines, session level attribute name "a=".
c7:
IF A.317/26 AND A.318/20 THEN m ELSE n/a - - TCP-based media transport in the session description protocol, media level attribute name "a=".
c8:
IF A.318/14 THEN o ELSE x - - session level attribute name "a=".
c9:
IF A.318/14 THEN m ELSE n/a - - session level attribute name "a=".
c10:
IF A.318/20 THEN o ELSE x - - media level attribute name "a=".
c11:
IF A.318/20 THEN m ELSE n/a - - media level attribute name "a=".
c12:
IF A.317/27 AND A.318/20 THEN o ELSE n/a - - candidate IP addresses, media level attribute name "a=".
c13:
IF A.317/27 AND A.318/20 THEN m ELSE n/a - - candidate IP addresses, media level attribute name "a=".
c14:
IF A.317/28 AND A.318/20 THEN m ELSE n/a - - session description protocol format for binary floor control protocol streams, media level attribute name "a=".
c15:
IF (A.317/29 AND A.318/20) THEN m ELSE n/a - - extended RTP profile for real-time transport control protocol (RTCP)-based feedback (RTP/AVPF), media level attribute name "a=".
c16:
IF A.317/30 AND A.318/20 THEN m ELSE n/a - - SDP capability negotiation, media level attribute name "a=".
c17:
IF A.317/32 AND A.318/20 THEN o ELSE n/a - - miscellaneous capabilities negotiation in the Session Description Protocol (SDP), media level attribute name "a=".
c18:
IF A.317/32 AND A.318/20 THEN m ELSE n/a - - miscellaneous capabilities negotiation in the Session Description Protocol (SDP), media level attribute name "a=".
c19:
IF A.317/33 AND (A.318/14 OR A.318/20) THEN o ELSE n/a - - bandwidth modifier packet rate parameter, media or session level attribute name "a=".
c20:
IF A.317/34 AND A.317/36 AND A.318/20 THEN m ELSE n/a - - Secure Real-time Transport Protocol, media plane security using SDES, media level attribute name "a=".
c21:
IF ((A.317/34 AND A.3D/21) OR A.3D/22) AND A.317/35 AND A.318/20 THEN m ELSE n/a - - Secure Real-time Transport Protocol, end-to-end media security using KMS, end-to-end media security for MSRP using TLS and KMS, MIKEY-TICKET, media level attribute name "a=".
c22:
IF (A.317/37 OR A.317/37A OR A.317/37B OR A.317/37C OR A.317/37D) AND A.318/20 THEN m ELSE n/a - - end-to-access edge media security using SDES, end-to-access-edge media security for MSRP using TLS and certificate fingerprints, end-to-access-edge media security for BFCP using TLS and certificate fingerprints, end-to-access-edge media security for UDPTL using DTLS and certificate fingerprints, end-to-access-edge media security for RTP media using DTLS-SRTP and certificate fingerprints, media level attribute name "a=".
c23:
IF A.317/38 THEN m ELSE n/a - - SDP media capabilities negotiation.
c24:
IF A.317/38 AND A.318/14 THEN m ELSE n/a - - SDP media capabilities negotiation, session level attribute name "a=".
c25:
IF A.317/40 AND A.318/20 THEN m ELSE n/a - - message session relay protocol, media level attribute name "a=".
c26:
IF A.317/41 AND A.318/20 THEN o ELSE n/a - - a SDP offer/answer mechanism to enable file transfer, media level attribute name "a=".
c27:
IF A.317/41 AND A.318/20 AND (A.3A/31 OR A.3A/33) THEN m ELSE IF A.317/41 AND A.318/20 AND NOT (A.3A/31 OR A.3A/33) THEN o ELSE n/a - - a SDP offer/answer mechanism to enable file transfer, media level attribute name "a=", messaging application server, messaging participant.
c28:
IF A.317/41 AND A.318/20 THEN m ELSE n/a - - a SDP offer/answer mechanism to enable file transfer, media level attribute name "a=".
c29:
IF A.317/42 AND A.318/20 THEN o ELSE n/a - - optimal media routeing, media level attribute name "a=".
c30:
IF A.317/43 THEN m ELSE n/a - - ECN for RTP over UDP, media level attribute name "a=".
c31:
IF A.317/44 AND A.318/20 THEN m ELSE n/a - - T.38 FAX, media level attribute name "a=".
c32:
IF A.317/44 AND A.318/20 THEN o ELSE n/a - - T.38 FAX, media level attribute name "a=".
c33:
IF A.317/45 AND A.318/20 THEN o ELSE n/a - - support for reduced-size RTCP, media level attribute name "a=".
c34:
IF A.317/45 AND A.318/20 THEN m ELSE n/a - - support for reduced-size RTCP, media level attribute name "a=".
c35:
IF A.317/46 AND A.318/20 AND A.318/14 THEN o ELSE n/a - - RTCP extended reports, media level attribute name "a=", session level attribute name "a=".
c36:
IF A.317/46 AND A.318/20 AND A.318/14 THEN m ELSE n/a - - RTCP extended reports, media level attribute name "a=", session level attribute name "a=".
c37:
IF A.317/47 AND A.318/20 AND A.318/14 THEN o ELSE n/a - - maximum receive SDU size, media level attribute name "a=", session level attribute name "a=".
c38:
IF A.317/47 AND A.318/20 AND A.318/14 THEN m ELSE n/a - - maximum receive SDU size, media level attribute name "a=", session level attribute name "a=".
c39:
IF A.317/48 AND A.318/20 THEN m ELSE n/a - - the SDP content attribute, media level attribute name "a=".
c40:
IF A.317/49 AND A.318/20 AND A.318/14 THEN o ELSE n/a - - a general mechanism for RTP header extensions, media level attribute name "a=", session level attribute name "a=".
c41:
IF A.317/49 AND A.318/20 AND A.318/14 THEN m ELSE n/a - - a general mechanism for RTP header extensions, media level attribute name "a=", session level attribute name "a=".
c42:
IF A.317/50 AND A.318/20 THEN o ELSE n/a - - negotiation of generic image attributes in the session description protocol (SDP), media level attribute name "a=".
c43:
IF A.317/50 AND A.318/20 THEN m ELSE n/a - - negotiation of generic image attributes in the session description protocol (SDP), media level attribute name "a=".
c44:
IF A.317/38 AND A.318/20 THEN m ELSE n/a - - SDP media capabilities negotiation, media level attribute name "a=".
c45:
IF (A.317/26 OR A.317/52) AND A.318/20 THEN m ELSE n/a - - TCP-based media transport in the session description protocol, UDPTL over DTLS, media level attribute name "a=".
c46:
IF (A.317/51 OR A.317/55) AND A.318/20 AND A.318/14 THEN m ELSE n/a - - connection-oriented media transport over the TLS protocol in the SDP, DTLS-SRTP, media level attribute name "a=", session level attribute name "a=".
c47:
IF A.317/40A AND A.318/20 THEN m ELSE n/a - - connection establishment for media anchoring for the message session relay protocol, media level attribute name "a=".
c48:
IF A.317/54 AND A.318/20 THEN m ELSE n/a - - SCTP over DTLS, media level attribute name "a=".
c49:
IF A.317/31 AND A.318/20 THEN m ELSE n/a - - Session Description Protocol (SDP) extension for setting up audio media streams over circuit-switched bearers in the Public Switched Telephone Network (PSTN) and SIP, media level attribute name "a=".
c50:
IF A.317/57 AND A.318/20 THEN o ELSE n/a - - Alternate Connectivity (ALTC) Attribute, media level attribute name "a="
c51:
IF A.317/58 AND A.318/20 THEN o ELSE n/a - - 3GPP MTSI RTCP-APP adaptation, media level attribute name "a=".
c52:
IF A.317/58 AND A.318/20 THEN m ELSE n/a - - 3GPP MTSI RTCP-APP adaptation, media level attribute name "a=".
c53:
IF A.317/59 AND A.318/20 THEN o ELSE n/a - - 3GPP MTSI Pre-defined Region-of-Interest (ROI), media level attribute name "a=".
c54:
IF A.317/59 AND A.318/20 THEN m ELSE n/a - - 3GPP MTSI Pre-defined Region-of-Interest (ROI), media level attribute name "a=".
c55:
IF A.317/61 AND A.318/20 THEN m ELSE n/a - - multiplexing RTP data and control packets on a single port, media level attribute name "a=".
c56:
IF A.317/62 AND A.318/20 THEN m ELSE n/a - - SDP-based data channel negotiation, media level attribute name "a=".
c57:
IF A.317/63 AND (A.318/14 OR A.318/20) THEN o ELSE n/a - -, Media plane optimization for WebRTC session or media level attribute name "a=".
c58:
IF A.317/63 AND A.318/20 THEN o ELSE n/a - -, Media plane optimization for WebRTC media level attribute name "a=".
c59:
IF A.317/63 AND A.318/14 THEN o ELSE n/a - -, Media plane optimization for WebRTC session level attribute name "a=".
c60:
IF A.317/64 AND A.318/20 THEN o ELSE n/a - - Enhanced bandwidth negotiation mechanism, media level attribute name "a=".
c61:
IF A.317/64 AND A.318/20 THEN m ELSE n/a - - Enhanced bandwidth negotiation mechanism, media level attribute name "a=".
c62:
IF (A.317/52 OR A.317/54 OR A.317/55) AND A.318/20 THEN m ELSE n/a - - UDPTL over DTLS, SCTP over DTLS, DTLS-SRTP, media level attribute name "a=".
c63:
IF A.317/61A AND A.318/20 THEN m ELSE n/a - - Exclusive RTP and RTCP multiplexed on one port (a=rtcp-mux-only), media level attribute name "a=".
c64:
IF A.317/66 AND A.318/20 THEN m ELSE n/a - - Using simulcast in SDP and RTP sessions, media level attribute name "a=".
c65:
IF A.317/67 AND A.318/20 THEN o ELSE n/a - - RTP payload format restrictions, media level attribute name "a=".
c66:
IF A.317/67 AND A.318/20 THEN m ELSE n/a - - RTP payload format restrictions, media level attribute name "a=".
c67:
IF A.317/68 AND A.318/14 THEN o ELSE n/a - - Compact Concurrent Codec Negotiation and Capabilities, session level attribute name "a=".
c68:
IF A.317/54 AND A.318/20 THEN o ELSE n/a - - SCTP over DTLS, media level attribute name "a=".
c69:
IF A.317/69 AND A.318/20 THEN m ELSE n/a - - Delay Budget Information (DBI), media level attribute name "a=".
c70:
IF A.317/70 AND A.318/20 THEN m ELSE n/a - - Access Network Bitrate Recommendation (ANBR), media level attribute name "a=".
c71:
IF A.317/71 AND A.318/20 THEN m ELSE n/a - - Framework for Live Uplink Streaming (FLUS), media level attribute name "a=".
c72:
IF (A.317/71 OR A.317/72) AND A.318/20 THEN o ELSE n/a - - Framework for Live Uplink Streaming (FLUS), IMS data channels, media level attribute name "a=".
c73:
IF A.317/72 AND A.318/20 THEN o ELSE n/a - - IMS data channels, media level attribute name "a=".
c74:
IF A.317/72 AND A.318/20 THEN m ELSE n/a - - IMS data channels, media level attribute name "a=".
NOTE 1:
Further specification of the usage of this attribute is defined by specifications relating to individual codecs.
Prerequisite A.319/80 - - a= generic header extension map definition (a=extmap)
Item Field Sending Receiving
Ref. RFC status Profile status Ref. RFC status Profile status
1coordination of video orientation (urn:3gpp:video-orientation)[9B]n/ao[9B]n/ao
2higher granularity coordination of video orientation (urn:3gpp:video-orientation:6)[9B]n/ac1[9B]n/ac1
3video region-of-interest predefined-roi-sent (urn:3gpp: predefined-roi-sent)[9B]n/ac2[9B]n/ac2
4video region-of-interest arbitrary-roi-sent (urn:3gpp:roi-sent)[9B]n/ac3[9B]n/ac3
c1:
IF A.319A/1 THEN o ELSE n/a - - coordination of video orientation.
c2:
IF A.317/59 THEN o ELSE n/a - - 3GPP MTSI Pre-defined Region-of-Interest (ROI).
c3:
IF A.317/60 THEN o ELSE n/a - - 3GPP MTSI Arbitrary Region-of-Interest (ROI).
Up

A.3.2.3  Void

A.3.2.4  Void

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