Content for TS 24.229 Word version: 18.4.0

1… 3… 4… 4.5… 5… 5.1.1.4… 5.1.2… 5.1.4… 5.2… 5.2.3… 5.2.6… 5.2.7… 5.3… 5.4… 5.4.1.2.2… 5.4.1.3… 5.4.2 5.4.3… 5.4.3.3… 5.4.4… 5.5… 5.7… 5.7.2… 5.8… 5.11… 6… 6.6… 7… 7.2A… 7.2A.6… 7.3… 7.9A… 8… A… A.2… A.2.1.4… A.2.1.4.7… A.2.1.4.8… A.2.1.4.10A… A.2.1.4.12… A.2.2… A.2.2.4… A.2.2.4.7… A.2.2.4.8… A.2.2.4.10A… A.2.2.4.12… A.3… A.3.3… B… C… E… F… H… I… K… L… L.2A… M… N… O… Q… R… S… U… U.2A… V… W…

A.3.3 Proxy role A.4 Profile definition for other message bodies as used in the present document
...

A.3.3 Proxy role p. 796

This subclause contains the ICS proforma tables related to the user role. They need to be completed only for proxy implementations.

Prerequisite: A.2/2 -- proxy role

A.3.3.1 Major capabilities p. 797

Table A.328: Major capabilities

Item	Does the implementation support Capabilities within main protocol	Reference	RFC status	Profile status
0A	application of session policy?	6.2, 6.3	x	c2
Extensions
1	integration of resource management and SIP?	[30] [64]	o	n/a
2	grouping of media lines?	[53]	c3	x
3	mapping of media streams to resource reservation flows?	[54]	o	x
4	SDP bandwidth modifiers for RTCP bandwidth?	[56]	o	c1
5	TCP-based media transport in the session description protocol?	[83]	o	c11
6	interactive connectivity establishment?	[289], [290]	o	c4
7	session description protocol format for binary floor control protocol streams?	[108]	o	o
8	extended RTP profile for real-time transport control protocol (RTCP)-based feedback (RTP/AVPF)?	[135]	o	c5
9	SDP capability negotiation?	[137]	o	c9
10	Session Description Protocol (SDP) extension for setting up audio media streams over circuit-switched bearers in the Public Switched Telephone Network (PSTN)?	[155]	o	c6
11	miscellaneous capabilities negotiation in the Session Description Protocol (SDP)?	[156]	o	c6
14	Secure Real-time Transport Protocol (SRTP)?	[169]	o	o
15	MIKEY-TICKET?	[170]	o	o
16	SDES?	[168]	o	o
17	end-to-access edge media security using SDES?	7.5.2	n/a	n/a
17A	end-to-access-edge media security for MSRP using TLS and certificate fingerprints?	7.5.2	n/a	n/a
17B	end-to-access-edge media security for BFCP using TLS and certificate fingerprints?	7.5.2	n/a	n/a
17C	end-to-access-edge media security for UDPTL using DTLS and certificate fingerprints?	7.5.2	n/a	n/a
17D	end-to-access-edge media security for RTP media using DTLS-SRTP and certificate fingerprints?	7.5.2	n/a	n/a
18	SDP media capabilities negotiation?	[172]	o	c8
19	Transcoding Services Invocation in the Session Initiation Protocol (SIP) Using Third Party Call Control (3pcc)?	[166]	m	i
20	Message Session Relay Protocol?	[178]	o	o
20A	Connection establishment for media anchoring for the message session relay protocol?	[214]	o	c12
21	a SDP offer/answer mechanism to enable file transfer?	[185]	o	o
22	optimal media routeing?	[11D]	n/a	o
23	ECN for RTP over UDP?	[188]	o	c10
24	T.38 FAX?	[202]	n/a	o
25	support for reduced-size RTCP?	[204]	o	o
26	RTCP extended reports?	[205]	o	o
27	maximum receive SDU size?	[9B]	o	o
28	the SDP content attribute	[206]	o	o
29	a general mechanism for RTP header extensions?	[210]	o	o
30	negotiation of generic image attributes in the session description protocol (SDP)?	[211]	o	o
31	connection-oriented media transport over the TLS protocol in the SDP?	[241]	o	o
32	UDPTL over DTLS?	[217]	o	o
33	telepresence?	[7G]	o	o
34	SCTP over DTLS?	[219]	o	o
35	DTLS-SRTP?	[222], [223]	o	o
36	STUN Usage for Consent Freshness?	[224]	o	o
38	3GPP MTSI RTCP-APP adaptation?	[9B]	n/a	o
39	3GPP MTSI Pre-defined Region of Interest (ROI)?	[9B]	n/a	o
40	3GPP MTSI Arbitrary Region-of-Interest (ROI)?	[9B]	n/a	o
41	multiplexing RTP data and control packets on a single port	[237], [237A]	o	o
42	Media plane optimization for WebRTC	7.5.4	n/a	o
43	Enhanced bandwidth negotiation mechanism	[9B]	n/a	o
45	an SDP offer/answer mechanism to negotiate DTLS protected media?	[240]	o	c13
46	Using simulcast in SDP and RTP sessions?	[249]	o	o
47	RTP payload format restrictions?	[250]	o	o
48	Compact Concurrent Codec Negotiation and Capabilities?	[9B]	n/a	o
49	3GPP MTSI Delay Budget Information (DBI)?	[9B]	n/a	c14
50	Access Network Bitrate Recommendation (ANBR)?	[9B]	n/a	c15
51	Framework for Live Uplink Streaming (FLUS)?	[276]	n/a	c15
52	3GPP MTSI client using data channels?	[9B]	n/a	c15
c1: IF A.3/2 OR A.3A/88 THEN m ELSE n/a - - P-CSCF, ATCF (proxy). c2: IF A.3/2 OR A.3/4 THEN o ELSE x - P-CSCF, S-CSCF. c3: IF A.328/3 THEN m ELSE o - - mapping of media streams to resource reservation flows. c4: IF A.3/2 OR A.3/4 THEN m ELSE n/a - - P-CSCF, S-CSCF. c5: IF (A.3A/50A AND A.3/7C) OR A.3/2 OR A.3/4 OR A.3A/88 THEN m ELSE n/a - - multimedia telephony service application server as AS acting as a SIP proxy, P-CSCF, S-CSCF, ATCF (proxy). c6: IF (A.3A/83 AND A.3/7C) OR A.3/4 THEN m ELSE IF A.3A/88 THEN i ELSE n/a - - SCC application server, AS acting as a SIP proxy, S-CSCF, ATCF (proxy). c7: IF A.328/18 THEN m ELSE o - - SDP media capabilities negotiation. c8: IF A.3/2 OR A.3/4 THEN m ELSE IF A.3A/88 THEN i ELSE o - - P-CSCF, S-CSCF, ATCF (proxy). c9: IF (A.3A/50A AND A.3/7C) OR A.3/2 OR A.3/4 OR A.328/18 OR A.3A/88 THEN m ELSE n/a - - multimedia telephony service application server as AS acting as a SIP proxy, P-CSCF, S-CSCF, SDP media capabilities negotiation, ATCF (proxy). c10: IF A.3A/88 THEN o ELSE i - - ATCF (proxy). c11: IF A.3/2 OR A.3/4 OR A.3A/88 THEN m ELSE n/a - - P-CSCF, S-CSCF, ATCF (proxy). c12: IF A.328/20 THEN m ELSE n/a - - message session relay protocol. c13: IF A.328/32 OR A.328/34 OR A.328/35 THEN m ELSE n/a - - UDPTL over DTLS, SCTP over DTLS, DTLS-SRTP. c14: IF A.3/2 OR A.3/4 THEN o ELSE n/a - - P-CSCF, S-CSCF. c15: If A.3/2 THEN o ELSE n/a - - P-CSCF.

A.3.3.2 SDP types p. 799

Table A.329: SDP types

Item	Type	Sending			Receiving
Item	Type	Ref.	RFC status	Profile status	Ref.	RFC status	Profile status
Session level description
1	v= (protocol version)	[39] 5.1	m	m	[39] 5.1	m	m
2	o= (owner/creator and session identifier).	[39] 5.2	m	m	[39] 5.2	i	i
3	s= (session name)	[39] 5.3	m	m	[39] 5.3	i	i
4	i= (session information)	[39] 5.4	m	m	[39] 5.4	i	i
5	u= (URI of description)	[39] 5.5	m	m	[39] 5.5	i	i
6	e= (email address)	[39] 5.6	m	m	[39] 5.6	i	i
7	p= (phone number)	[39] 5.6	m	m	[39] 5.6	i	i
8	c= (connection information)	[39] 5.7	m	m	[39] 5.7	i	i
9	b= (bandwidth information)	[39] 5.8	m	m	[39] 5.8	i	i
Time description (one or more per description)
10	t= (time the session is active)	[39] 5.9	m	m	[39] 5.9	i	i
11	r= (zero or more repeat times)	[39] 5.10	m	m	[39] 5.10	i	i
Session level description (continued)
12	z= (time zone adjustments)	[39] 5.11	m	m	[39] 5.11	i	i
13	k= (encryption key)	[39] 5.12	m	m	[39] 5.12	i	i
14	a= (zero or more session attribute lines)	[39] 5.13	m	m	[39] 5.13	i	i
Media description (zero or more per description)
15	m= (media name and transport address)	[39] 5.14	m	m	[39] 5.14	m	m
16	i= (media title)	[39] 5.4	m	m	[39] 5.4	i	i
17	c= (connection information)	[39] 5.7	m	m	[39] 5.7	i	i
18	b= (bandwidth information)	[39] 5.8	m	m	[39] 5.8	i	c1
19	k= (encryption key)	[39] 5.12	m	m	[39] 5.12	i	i
20	a= (zero or more media attribute lines)	[39] 5.13	m	m	[39] 5.13	i	c1
c1: IF A.328/0A THEN m ELSE i - - application of session policy.

Prerequisite A.329/14 OR A.329/20 - - a= (zero or more session/media attribute lines)

Table A.330: zero or more session / media attribute lines (a=)

Item	Field	Sending			Receiving
Item	Field	Ref.	RFC status	Profile status	Ref.	RFC status	Profile status
1	category (a=cat)	[39] 6	m	m	[39] 6	i	i
2	keywords (a=keywds)	[39] 6	m	m	[39] 6	i	i
3	name and version of tool (a=tool)	[39] 6	m	m	[39] 6	i	i
4	packet time (a=ptime)	[39] 6	m	m	[39] 6	i	c9
5	maximum packet time (a=maxptime)	[39] 6 (NOTE 1)	m	m	[39] 6 (NOTE 1)	i	c9
6	receive-only mode (a=recvonly)	[39] 6	m	m	[39] 6	i	c9
7	send and receive mode (a=sendrecv)	[39] 6	m	m	[39] 6	i	c9
8	send-only mode (a=sendonly)	[39] 6	m	m	[39] 6	i	c9
8A	Inactive mode (a=inactive)	[39] 6	m	m	[39] 6	i	c9
9	whiteboard orientation (a=orient)	[39] 6	m	m	[39] 6	i	c9
10	conference type (a=type)	[39] 6	m	m	[39] 6	i	i
11	character set (a=charset)	[39] 6	m	m	[39] 6	i	i
12	language tag (a=sdplang)	[39] 6	m	m	[39] 6	i	c9
13	language tag (a=lang)	[39] 6	m	m	[39] 6	i	c9
14	frame rate (a=framerate)	[39] 6	m	m	[39] 6	i	c9
15	quality (a=quality)	[39] 6	m	m	[39] 6	i	c9
16	format specific parameters (a=fmtp)	[39] 6	m	m	[39] 6	i	c9
17	rtpmap attribute (a=rtpmap)	[39] 6	m	m	[39] 6	i	c9
18	current-status attribute (a=curr)	[30] 5	m	m	[30] 5	c2	c2
19	desired-status attribute (a=des)	[30] 5	m	m	[30] 5	c2	c2
20	confirm-status attribute (a=conf)	[30] 5	m	m	[30] 5	c2	c2
21	media stream identification attribute (a=mid)	[53] 3	c5	x	[53] 3	c6	x
22	group attribute (a=group)	[53] 4	c5	x	[53] 4	c6	x
23	setup attribute (a=setup)	[83] 4	c7	c50	[83] 4	c8	c51
24	connection attribute (a=connection)	[83] 5	c7	c7	[83] 5	c8	c8
24A	DTLS association ID attribute (a=tls-id)	[240] 4	c72	c72	[240] 4	c72	c72
25	candidate IP addresses (a=candidate)	[290]	c9	c9	[290]	c10	c10
26	floor control server determination (a=floorctrl)	[108] 4	c11	c11	[108] 4	c12	c13
27	conference id (a=confid)	[108] 5	c11	c11	[108] 5	c12	c13
28	user id (a=userid)	[108] 5	c11	c11	[108] 5	c12	c13
29	association between streams and floors (a=floorid)	[108] 6	c11	c11	[108] 6	c12	c13
30	RTCP feedback capability attribute (a=rtcp-fb)	[135] 4.2	c14	c14	[135] 4.2	c15	c15
31	extension of the rtcp-fb attribute (a=rtcp-fb)	[136] 7.1 [188] 6.2, [251] 9	c14	c14	[136] 7.1, [251] 9	c15	c15
32	supported capability negotiation extensions (a=csup)	[137] 3.3.1	c16	c16	[137] 3.3.1	c17	c17
33	required capability negotiation extensions (a=creq)	[137] 3.3.2	c16	c16	[137] 3.3.2	c17	c17
34	attribute capability (a=acap)	[137] 3.4.1	c16	c16	[137] 3.4.1	c17	c17
35	transport protocol capability (a=tcap)	[137] 3.4.2	c16	c16	[137] 3.4.2	c17	c17
36	potential configuration (a=pcfg)	[137] 3.5.1 [172] 3.3.6	c16	c16	[137] 3.5.1 [172] 3.3.6	c17	c17
37	actual configuration (a=acfg)	[137] 3.5.2	c16	c16	[137] 3.5.2	c17	c17
38	connection data capability (a=ccap)	[156] 3.1	c18	c18	[156] 3.1	c19	c19
40	crypto attribute (a=crypto)	[168]	c20	c20	[167]	c20	c20
41	key management attribute (a=key-mgmt)	[167]	c21	c21	[168]	c22	c22
42	3GPP_e2ae-security-indicator (a=3ge2ae)	7.5.2	c23	c23	7.5.2	c23	c23
43	media capability (a=rmcap)	[172] 3.3.1	c24	c24	[172] 3.3.1	c26	c26
43A	media capability (a=omcap)	[172] 3.3.1	c24	c24	[172] 3.3.1	c26	c26
44	media format capability (a=mfcap)	[172] 3.3.2	c24	c24	[172] 3.3.2	c26	c26
45	media-specific capability (a=mscap)	[172] 3.3.3	c24	c24	[172] 3.3.3	c26	c26
46	latent configuration (a=lcfg)	[172] 3.3.5	c48	c48	[172] 3.3.5	c49	c49
47	session capability (a=sescap)	[172] 3.3.8	c25	c25	[172] 3.3.8	c27	c27
48	msrp path (a=path)	[178]	c28	c28	[178]	c29	c29
49	file selector (a=file-selector)	[185] 6	c30	c30	[185] 6	c31	c31
50	file transfer identifier (a= file-transfer-id)	[185] 6	c30	c30	[185] 6	c31	c31
51	file disposition (a=file-disposition)	[185] 6	c30	c30	[185] 6	c31	c31
52	file date (a=file-date)	[185] 6	c30	c30	[185] 6	c31	c31
53	file icon (a=file-icon	[185] 6	c30	c30	[185] 6	c31	c31
54	file range (a=file-range)	[185] 6	c30	c30	[185] 6	c31	c31
55	optimal media routeing visited realm (a=visited-realm)	7.5.3	c32	c32	7.5.3	c33	c33
56	optimal media routeing secondary realm (a=secondary-realm)	7.5.3	c32	c32	7.5.3	c33	c33
57	optimal media routeing media level checksum (a=omr-m-cksum)	7.5.3	c32	c32	7.5.3	c33	c33
58	optimal media routeing session level checksum (a=omr-s-cksum)	7.5.3	c32	c32	7.5.3	c33	c33
59	optimal media routeing codecs (a=omr-codecs)	7.5.3	c32	c32	7.5.3	c33	c33
60	optimal media routeing media attributes (a=omr-m-att)	7.5.3	c32	c32	7.5.3	c33	c33
61	optimal media routeing session attributes (a=omr-s-att)	7.5.3	c32	c32	7.5.3	c33	c33
62	optimal media routeing media bandwidth (a=omr-m-bw)	7.5.3	c32	c32	7.5.3	c33	c33
63	optimal media routeing session bandwidth (a=omr-s-bw)	7.5.3	c32	c32	7.5.3	c33	c33
64	ecn-attribute (a=ecn-capable-rtp)	[188]	c34	c34	[188]	c34	c34
65	T38 FAX Protocol version (a=T38FaxVersion)	[202]	n/a	c35	[202]	n/a	c36
66	T38 FAX Maximum Bit Rate (a=T38MaxBitRate)	[202]	n/a	c35	[202]	n/a	c36
67	T38 FAX Rate Management (a=T38FaxRateManagement)	[202]	n/a	c35	[202]	n/a	c36
68	T38 FAX Maximum Buffer Size (a=T38FaxMaxBuffer)	[202]	n/a	c35	[202]	n/a	c36
69	T38 FAX Maximum Datagram Size (a=T38FaxMaxDatagram)	[202]	n/a	c35	[202]	n/a	c36
70	T38 FAX maximum IFP frame size (a=T38FaxMaxIFP)	[202]	n/a	c35	[202]	n/a	c36
71	T38 FAX UDP Error Correction Scheme (a=T38FaxUdpEC)	[202]	n/a	c35	[202]	n/a	c36
72	T38 FAX UDP Error Correction Depth (a=T38FaxUdpECDepth)	[202]	n/a	c35	[202]	n/a	c36
73	T38 FAX UDP FEC Maximum Span (a=T38FaxUdpFECMaxSpan)	[202]	n/a	c35	[202]	n/a	c36
74	T38 FAX Modem Type (a=T38ModemType)	[202]	n/a	c35	[202]	n/a	c36
75	T38 FAX Vendor Info (a=T38VendorInfo)	[202]	n/a	c35	[202]	n/a	c36
76	reduced-size RTCP (a=rtcp-rsize)	[204]	c37	c37	[204]	c38	c38
77	RTP control protocol extended report parameters (a=rtcp-xr)	[205]	c39	c39	[205]	c40	c40
78	maximum receive SDU size (a=3gpp_MaxRecvSDUSize)	[9B]	c41	c41	[9B]	c42	c42
79	content (a=content)	[206]	c43	c43	[206]	c43	c43
80	generic header extension map definition (a=extmap)	[210]	c44	c44	[210]	c45	c45
81	image attribute (a=imageattr)	[211]	c46	c46	[211]	c47	c47
82	fingerprint (a=fingerprint)	[241]	c52	c52	[241]	c53	c53
83	msrp-cema (a=msrp-cema)	[214]	c54	c54	[214]	c55	c55
84	sctp-port (a=sctp-port)	[219]	c56	c56	[219]	c56	c56
84A	max-message-size (a=max-message-size)	[219]	c56	c56	[219]	c56	c56
85	CS correlation (a=cs-correlation)	[155] 5.2.3.1	c57	c57	[155] 5.2.3.1	c57	c57
87	3GPP MTSI RTCP-APP adaptation (a=3gpp_mtsi_app_adapt)	[9B]	n/a	c58	[9B]	n/a	c59
88	3GPP MTSI Pre-defined Region-of-Interest (ROI) (a=predefined_ROI)	[9B]	n/a	c60	[9B]	n/a	c61
89	RTP and RTCP multiplexed on one port (a=rtcp-mux)	[237], [237A]	c62	c62	[237], [237A]	c63	c63
92	Media plane optimization for WebRTC Contact (a= tra-contact)	7.5.4	c64	c64	7.5.4	c65	c65
93	Media plane optimization for WebRTC m-line (a= tra-m-line)	7.5.4	c66	c66	7.5.4	c67	c67
94	Media plane optimization for WebRTC attribute (a= tra-att)	7.5.4	c64	c64	7.5.4	c65	c65
95	Media plane optimization for WebRTC bandwidth (a= tra-bw)	7.5.4	c64	c64	7.5.4	c65	c65
98	Media plane optimization for WebRTC SCTP-association (a= tra-SCTP-association)	7.5.4	c66	c66	7.5.4	c67	c67
97	Media plane optimization for WebRTC media line number (a= tra-media-line-number)	7.5.4	c68	c68	7.5.4	c69	c69
98	Enhanced bandwidth negotiation mechanism (a=bw-info)	[9B]	n/a	c70	[9B]	n/a	c71
99	Exclusive RTP and RTCP multiplexed on one port (a=rtcp-mux-only)	[246]	c62	c62	[246]	c63	c63
100	Simulcast stream description (a=simulcast)	[249] 6.1	c73	c73	[249] 6.1	c74	c74
101	Restriction identifier (a=rid)	[250] 10	c75	c75	[250] 10	c76	c76
102	3GPP compact concurrent codec capabilities (a=ccc-list)	[9B]	n/a	c77	[9B]	n/a	c78
103	Delay Budget Information (DBI) RTCP feedback type (a=rtcp-fb:* 3gpp-delay-budget)	[9B] 6.2.8	n/a	c79	[9B] 6.2.8	n/a	c79
104	ANBR Support attribute (a=anbr)	[9B]	n/a	c80	[9B]	n/a	c80
105	Label attribute (a=label)	[277] 4	o	c81	[277] 4	o	c81
106	3GPP QoS hint attribute (a=3gpp-qos-hint)	[9B] 6.2.7.4	n/a	c81	[9B]	n/a	c81
c2: IF A.328/1 THEN m ELSE i - - integration of resource management and SIP. c5: IF A.328/2 THEN m ELSE n/a - - grouping of media lines. c6: IF A.328/3 THEN m ELSE IF A.328/2 THEN i ELSE n/a - - mapping of media streams to resource reservation flows, grouping of media lines. c7: IF A.328/5 THEN m ELSE n/a. c8: IF A.328/5 THEN i ELSE n/a. c9: IF A.329/20 AND A.328/0A THEN m ELSE i - - media level attribute name "a=" and application of session policy. c9: IF A.328/6 THEN m ELSE n/a - - interactive connectivity establishment. c10: IF A.328/1 AND A.328/6 THEN m ELSE IF A.328/6 THEN i ELSE n/a - - integration of resource management and SIP, interactive connectivity establishment. c11: IF A.328/7 THEN m ELSE n/a - - session description protocol format for binary floor control protocol streams. c12: IF A.328/7 THEN i ELSE n/a - - session description protocol format for binary floor control protocol streams. c13: IF A.328/7 AND A.328/0A AND A.329/20 THEN m ELSE IF A.328/7 AND A.329/20 THEN i ELSE n/a - - session description protocol format for binary floor control protocol streams, media level attribute name "a=" and application of session policy. c14: IF (A.328/8 AND A.329/20) THEN m ELSE n/a - - extended RTP profile for real-time transport control protocol (RTCP)-based feedback (RTP/AVPF), media level attribute name "a=". c15: IF (A.328/8 AND A.329/20) THEN i 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.328/9 AND A.329/20 THEN m ELSE n/a - - SDP capability negotiation, media level attribute name "a=". c17: IF A.328/9 AND A.329/20 THEN i ELSE n/a - - SDP capability negotiation, media level attribute name "a=". c18: IF A.328/11 AND A.329/20 THEN o ELSE n/a - - miscellaneous capabilities negotiation in the Session Description Protocol (SDP), media level attribute name "a=". c19: IF A.328/11 AND A.329/20 THEN m ELSE n/a - - miscellaneous capabilities negotiation in the Session Description Protocol (SDP), media level attribute name "a=". c20: IF A.328/14 AND A.328/16 AND A.329/20 THEN m ELSE n/a - - Secure Real-time Transport Protocol, media plane security using SDES, media level attribute name "a=". c21: IF ((A.328/14 AND A.3D/21) OR A.3D/22) AND A.328/15 AND A.329/20 THEN m ELSE n/a - - Secure Real-time Transport Protocol, media plane security using KMS, end-to-end media security for MSRP using TLS and KMS, MIKEY-TICKET, media level attribute name "a=". c22: IF ((A.328/14 AND A.3D/21) OR A.3D/22) AND A.328/15 AND A.329/20 THEN i ELSE n/a - - Secure Real-time Transport Protocol, media plane security using KMS, end-to-end media security for MSRP using TLS and KMS, MIKEY-TICKET, media level attribute name "a=". c23: IF A.328/17 AND A.329/20 THEN m ELSE n/a - - end to access edge media security, media level attribute name "a=". c24: IF A.328/18 THEN m ELSE n/a - - SDP media capabilities negotiation. c25: IF A.328/18 AND A.329/14 THEN m ELSE n/a - - SDP media capabilities negotiation, session level attribute name "a=". c26: IF A.328/18 AND A.328/0A THEN m ELSE IF A.328/18 THEN i ELSE n/a - - SDP media capabilities negotiation, application of session policy. c27: IF A.328/18 AND A.329/14 AND A.328/0A THEN m ELSE IF A.328/18 AND A.329/14 THEN i ELSE n/a - - SDP media capabilities negotiation, session level attribute name "a=", application of session policy. c28: IF A.328/20 AND A.329/20 THEN m ELSE n/a - - message session relay protocol, media level attribute name "a=". c29: IF A.328/20 AND A.329/20 THEN i ELSE n/a - - message session relay protocol, media level attribute name "a=". c30: IF A.328/21 AND A.329/20 THEN m ELSE n/a - - a SDP offer/answer mechanism to enable file transfer, media level attribute name "a=". c31: IF A.328/21 AND A.329/20 THEN i ELSE n/a - - a SDP offer/answer mechanism to enable file transfer, media level attribute name "a=". c32: IF A.328/22 AND A.329/20 THEN m ELSE n/a - - optimal media routeing, media level attribute name "a=". c33: IF A.328/22 AND A.329/20 THEN i ELSE n/a - - optimal media routeing, media level attribute name "a=". c34: IF A.328/23 THEN m ELSE i - - ECN for RTP over UDP, media level attribute name "a=". c35: IF A.328/24 AND A.329/20 THEN m ELSE n/a - - T.38 FAX, media level attribute name "a=". c36: IF A.328/24 AND A.329/20 THEN i ELSE n/a - - T.38 FAX, media level attribute name "a=". c37: IF A.328/25 AND A.329/20 THEN m ELSE n/a. - - support for reduced-size RTCP, media level attribute name "a=". c38: IF A.328/25 AND A.329/20 THEN i ELSE n/a - - support for reduced-size RTCP, media level attribute name "a=". c39: IF A.328/26 AND A.329/20 AND A.329/14 THEN m ELSE n/a -- RTCP extended reports, media level attribute name "a=", session level attribute name "a=". c40: IF A.328/26 AND A.329/20 AND A.329/14 THEN i ELSE n/a -- RTCP extended reports, media level attribute name "a=", session level attribute name "a=". c41: IF A.328/27 AND A.329/20 AND A.329/14 THEN m ELSE n/a -- maximum receive SDU size, media level attribute name "a=", session level attribute name "a=". c42: IF A.328/27 AND A.329/20 AND A.329/14 THEN i ELSE n/a -- maximum receive SDU size, media level attribute name "a=", session level attribute name "a=". c43: IF A.328/28 AND A.329/20 THEN m ELSE n/a - - the SDP content attribute, media level attribute name "a=". c44: IF A.328/29 AND A.329/20 AND A.329/14 THEN m ELSE n/a - - a general mechanism for RTP header extensions, media level attribute name "a=", session level attribute name "a=". c45: IF A.328/29 AND A.329/20 AND A.329/14 THEN i ELSE n/a - - a general mechanism for RTP header extensions, media level attribute name "a=", session level attribute name "a=". c46: IF A.328/30 AND A.329/20 THEN m ELSE n/a - - negotiation of generic image attributes in the session description protocol (SDP), media level attribute name "a=". c47: IF A.328/30 AND A.329/20 THEN i ELSE n/a - - negotiation of generic image attributes in the session description protocol (SDP), media level attribute name "a=". c48: IF A.328/18 AND A.329/20 THEN m ELSE n/a - - SDP media capabilities negotiation, media level attribute name "a=". c49: IF A.328/18 AND A.329/20 AND A.328/0A THEN m ELSE IF A.328/18 AND A.329/20 THEN i ELSE n/a - - SDP media capabilities negotiation, media level attribute name "a=", application of session policy. c50: IF (A.328/5 OR A.328/32) THEN m ELSE n/a -- TCP-based media transport in the session description protocol, UDPTL over DTLS. c51: IF (A.328/5 OR A.328/32) THEN i ELSE n/a -- TCP-based media transport in the session description protocol, UDPTL over DTLS. c52: IF (A.328/82 OR A.328/34) AND A.329/20 AND A.329/14 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=". c53: IF (A.328/83 OR A.328/34) AND A.329/20 AND A.329/14 THEN i 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=". c54: IF A.328/20A AND A.329/20 THEN m ELSE n/a -- connection establishment for media anchoring for the message session relay protocol, media level attribute name "a=". c55: IF A.328/20A AND A.329/20 THEN i ELSE n/a -- connection establishment for media anchoring for the message session relay protocol, media level attribute name "a=". c56: IF A.328/33 AND A.329/20 THEN i ELSE n/a -- SCTP on top of DTLS, media level attribute name "a=". c57: IF A.318/10 AND A.329/20 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=". c58: IF A.328/38 AND A.329/20 THEN m ELSE n/a -- 3GPP MTSI RTCP-APP adaptation, media level attribute name "a=". c59: IF A.328/38 AND A.329/20 THEN i ELSE n/a -- 3GPP MTSI RTCP-APP adaptation, media level attribute name "a=". c60: IF A.328/39 AND A.329/20 THEN o ELSE n/a - - 3GPP MTSI Pre-defined Region-of-Interest (ROI), media level attribute name "a=". c61: IF A.328/39 AND A.329/20 THEN m ELSE n/a - - 3GPP MTSI Pre-defined Region-of-Interest (ROI), media level attribute name "a=". c62: IF A.328/41 AND A.329/20 AND A.329/14 THEN m ELSE n/a -- multiplexing RTP data and control packets on a single port, media level attribute name "a=", session level attribute name "a=". c63: IF A.328/41 AND A.329/20 AND A.329/14 THEN i ELSE n/a -- multiplexing RTP data and control packets on a single port, media level attribute name "a=", session level attribute name "a=". c64: IF A.328/42 AND (A.329/14 OR A.329/20) THEN m ELSE n/a - -, Media plane optimization for WebRTC session or media level attribute name "a=". c65: IF A. A.328/42 AND (A.329/14 OR A.329/20) THEN i ELSE n/a - -, Media plane optimization for WebRTC session or media level attribute name "a=". c66: IF A.328/42 AND A.329/20 THEN m ELSE n/a - -, Media plane optimization for WebRTC media level attribute name "a=". c67: IF A.328/42 AND A.329/20 THEN i ELSE n/a - -, Media plane optimization for WebRTC media level attribute name "a=". c68: IF A.328/42 AND A.329/14 THEN m ELSE n/a - -, Media plane optimization for WebRTC session level attribute name "a=". c69: IF A.328/42 AND A.329/14 THEN i ELSE n/a - -, Media plane optimization for WebRTC session level attribute name "a=". c70: IF A.328/43 AND A.329/20 THEN o ELSE n/a - - Enhanced bandwidth negotiation mechanism, media level attribute name "a=". c71: IF A.328/43 AND A.329/20 THEN m ELSE n/a - - Enhanced bandwidth negotiation mechanism, media level attribute name "a=". c72: IF (A.328/32 OR A.328/34 OR A.328/35) AND A.329/20 THEN m ELSE n/a - - UDPTL over DTLS, SCTP over DTLS, DTLS-SRTP, media level attribute name "a=". c73: IF A.328/46 AND A.329/20 THEN m ELSE n/a - - Using simulcast in SDP and RTP sessions, media level attribute name "a=". c74: IF A.328/46 AND A.329/20 THEN i ELSE n/a - - Using simulcast in SDP and RTP sessions, media level attribute name "a=". c75: IF A.328/47 AND A.329/20 THEN o ELSE n/a - - RTP payload format restrictions, media level attribute name "a=". c76: IF A.328/47 AND A.329/20 THEN i ELSE n/a - - RTP payload format restrictions, media level attribute name "a=". c77: IF A.328/48 AND A.329/14 THEN o ELSE n/a - - Compact Concurrent Codec Negotiation and Capabilities, session level attribute name "a=". c78: IF A.328/48 AND A.329/14 THEN i ELSE n/a - - Compact Concurrent Codec Negotiation and Capabilities, session level attribute name "a=". c79: IF A.328/49 AND A.329/20 m ELSE n/a - - Delay Budget Information (DBI), media level attribute name "a=". c80: IF A.328/50 AND A.329/20 THEN m ELSE n/a - - Access Network Bitrate Recommendation (ANBR), media level attribute name "a=". c81: IF (A.328/51 OR A.328/52) AND A.329/20 THEN o ELSE n/a - - Framework for Live Uplink Streaming (FLUS), 3GPP MTSI client using 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.330/80 - - a= generic header extension map definition (a=extmap)

Table A.330A: RTP header extensions

Item	Field	Sending			Receiving
Item	Field	Ref.	RFC status	Profile status	Ref.	RFC status	Profile status
1	coordination of video orientation (urn:3gpp:video-orientation)	[9B]	n/a	m	[9B]	n/a	i
2	higher granularity coordination of video orientation (urn:3gpp:video-orientation:6)	[9B]	n/a	m	[9B]	n/a	i
3	video region-of-interest predefined-roi-sent (urn:3gpp:predefined-roi-sent)	[9B]	n/a	m	[9B]	n/a	i
4	video region-of-interest arbitrary-roi-sent (urn:3gpp:roi-sent)	[9B]	n/a	m	[9B]	n/a	i

A.3.3.3 Void

A.3.3.4 Void

Table A.339: Void

A.4 Profile definition for other message bodies as used in the present document p. 805

Void.