ForewordIntroduction1 Scope2 References3 Definitions and abbreviations4 System description5 Media codecs6 Media configuration7 Data transport8 Jitter buffer management in MTSI clients in terminals9 Packet-loss handling10 Adaptation11 Front-end handling12 Inter-working13 Void13a Media types, codecs and formats used for MSRP transport14 Supplementary services15 Network preference management object16 Quality of Experience17 Management of Media Adaptation18 MTSI client in terminal using fixed access19 Additional bandwidth informationA.1 SDP offers for speech sessions initiated by MTSI client in terminalA.2 SDP offers for speech sessions initiated by media gatewayA.3 SDP answers to SDP speech session offersA.4 SDP offers and answers for video sessionsA.5 SDP offers for textA.6 SDP example with bandwidth informationA.7 SDP examples with "3gpp_sync_info" attributeA.8 SDP example with QoS negotiationA.9 VoidA.9a SDP offer/answer regarding the use of Reduced-Size RTCPA.10 Examples of SDP offers and answers for inter-working with other IMS or non-IMS IP networksA.11 Adding or removing a video component to/from an on-going video call sessionA.12 SDP examples when using ECNA.13 SDP examples for MTSI client in terminal using fixed accessA.14 SDP offers and answers for speech sessions with EVSA.15 SDP offers and answers with ANBR capability signalingA.16 SDP offers and answers with QoS hint signallingA.17 SDP offers and answers with data channel capability signallingA.18 SDP offers and answers for ITT4RTAA.1 IntroductionAA.2 HTTPAA.3 MPEG Scene DescriptionB.1 Video bitrate adaptationC.1 Example of feedback and adaptation for speech and videoC.2 Example criteria for video bit rate feedback and adaptationE.1 GeneralE.2 Bi-directional speech (AMR12.2, IPv4, RTCP and MBR=GBR bearer)E.3 VoidE.4 Bi-directional real-time text (3 kbps, IPv4 or IPv6, RTCP and MBR=GBR bearer)E.5 Bi-directional speech (AMR-WB23.85, IPv4, RTCP and MBR=GBR bearer)E.6 Bi-directional video (H.264 AVC level 1.1, 192 kbps, IPv4, RTCP and MBR=GBR bearer)E.7 Bi-directional speech (AMR12.2, IPv6, RTCP and MBR=GBR bearer)E.8 Bi-directional speech (AMR-WB23.85, IPv6, RTCP and MBR=GBR bearer)E.9 VoidE.10 Bi-directional video (H.264 AVC level 1.1, 192 kbps, IPv6, RTCP and MBR=GBR bearer)E.11 Bi-directional speech (AMR, IPv4, RTCP and MBR>GBR bearer)E.12 Bi-directional speech (AMR-WB, IPv4, RTCP and MBR>GBR bearer)E.13 VoidE.14 Bi-directional video (H.264 AVC level 1.1, IPv4, RTCP and MBR>GBR bearer)E.15 Bi-directional speech (AMR, IPv6, RTCP and MBR>GBR bearer)E.16 Bi-directional speech (AMR-WB, IPv6, RTCP and MBR>GBR bearer)E.17 VoidE.18 Bi-directional video (H.264 AVC level 1.1, IPv6, RTCP and MBR>GBR bearer)E.19 Bi-directional video (H.264 AVC level 1.2, 384 kbps, IPv4, RTCP and MBR=GBR bearer)E.20 Bi-directional video (H.264 AVC level 1.2, 384 kbps, IPv6, RTCP and MBR=GBR bearer)E.21 Bi-directional video (H.264 AVC level 1.2, IPv4, RTCP and MBR>GBR bearer)E.22 Bi-directional video (H.264 AVC level 1.2, IPv6, RTCP and MBR>GBR bearer)E.23 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 500 kbps, IPv6, RTCP and MBR=GBR bearer)E.24 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 500/40 kbps, IPv6, RTCP and MBR>GBR bearer)E.25 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 600 kbps, IPv6, RTCP and MBR=GBR bearer)E.26 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 600/40 kbps, IPv6, RTCP and MBR>GBR bearer)E.27 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 650 kbps, IPv6, RTCP and MBR=GBR bearer)E.28 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 650/40 kbps, IPv6, RTCP and MBR>GBR bearer)E.29 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 750 kbps, IPv6, RTCP and MBR=GBR bearer)E.30 Bi-directional video (H.265 (HEVC) Main profile, Main tier, level 3.1, 750/40 kbps, IPv6, RTCP and MBR>GBR bearer)E.31 Bi-directional speech (EVS 13.2, IPv4, RTCP and MBR=GBR bearer)E.32 Bi-directional speech (EVS 24.4, IPv4, RTCP and MBR=GBR bearer)E.33 Bi-directional speech (EVS 13.2, IPv6, RTCP and MBR=GBR bearer)E.34 Bi-directional speech (EVS 24.4, IPv6, RTCP and MBR=GBR bearer)G.1 GeneralG.2 Encoding of DTMF eventsG.3 Session setupG.4 Data transport for DTMF eventsK.1 GeneralK.2 Procedure for computing the bandwidthK.3 Computation of RTP payload sizeK.4 Detailed computationL.1 GeneralL.2 FoIP support in MTSI clientsL.3 Session setupL.4 Data transport using UDP/IPL.5 CS GERAN inter-workingL.6 PSTN inter-workingL.7 SDP examplesM.1 IntroductionM.2 3gpp_sync_infoM.3 3gpp_MaxRecvSDUSizeM.4 3gpp_mtsi_app_adaptM.5 predefined_ROIM.6 bw-infoM.7 ccc_listM.8 anbrM.9 PLR_adaptM.10 MAXimum-e2e-PLRM.11 3gpp-qos-hintN.1 GeneralN.2 ExamplesO.1 IntroductionO.2 urn:3gpp:video-orientationO.3 urn:3gpp:video-orientation:6O.4 urn:3gpp:roi-sentO.5 urn:3gpp:predefined-roi-sentO.6 urn:3gpp:audio-mixing-gainP.1 GeneralP.2 Video error recoveryP.3 RTP RetransmissionQ.1 GeneralQ.2 Procedure for computing the bandwidthQ.3 Computation of RTP payload sizeQ.4 Detailed computationR.1 Video Region-of-Interest (ROI)R.2 Delay Budget Information (DBI)S.1 GeneralS.2 VideoS.3 AudioS.4 SIPS.5 Media configurationS.6 Media transportS.7 BFCPS.8 Rate AdaptationT.1 GeneralT.2 MSMTSI video offer/answer examplesT.3 MSMTSI audio offer/answer examplesU.1 IntroductionU.2 application/ccceV.1 GeneralV.2 Example Signaling Flows on Delay AdaptationV.3 SDP Examples on DBI Signaling CapabilityW.1 GeneralW.2 Adaptation to Packet Losses without application layer redundancyW.3 Adaptation to Packet Losses using Application Layer RedundancyW.4 Negotiation of End-to-End and Uplink/Downlink PLRX.1 Maximum Packet Loss Rate (Max. PLR) for SpeechX.2 SDP Examples of the CHEM Feature (informative)Y.1 GeneralY.2 Architecture and InterfacesY.3 Immersive 360-Degree Video SupportY.4 Immersive Voice/Audio SupportY.5 Overlay SupportY.6 Media configurationY.7 Media transportY.8 SDP Examples (informative)Y.9 Recommended audio mixing gains E.17 Void 26.1143GPPIP Multimedia Subsystem (IMS)Media handling and interactionMultimedia telephonyRelease 18TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM