1、 ETSI TS 126 114 V13.3.0 (2016-04) Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS); Multimedia telephony; Media handling and interaction (3GPP TS 26.114 version 13.3.0 Release 13) floppy3TECHNICAL SPECIFICATION ETSI ETSI TS 126 114 V13.3.0 (2016-04)13GPP TS 26.1
2、14 version 13.3.0 Release 13Reference RTS/TSGS-0426114vd30 Keywords LTE,UMTS ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (0
3、6) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present document shall not be modified without
4、the prior written authorization of ETSI. In case of any existing or perceived difference in contents between such versions and/or in print, the only prevailing document is the print of the Portable Document Format (PDF) version kept on a specific network drive within ETSI Secretariat. Users of the p
5、resent document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other ETSI documents is available at https:/portal.etsi.org/TB/ETSIDeliverableStatus.aspx If you find errors in the present document, please send your comme
6、nt to one of the following services: https:/portal.etsi.org/People/CommiteeSupportStaff.aspx Copyright Notification No part may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm except as authorized by written permission of ETSI. Th
7、e content of the PDF version shall not be modified without the written authorization of ETSI. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2016. All rights reserved. DECTTM, PLUGTESTSTM, UMTSTMand the ETSI logo are T
8、rade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM and the GSM logo are Trade Marks registered and owned by the GSM Association. ETSI ETSI TS 126 114 V13.3.0 (2016
9、-04)23GPP TS 26.114 version 13.3.0 Release 13Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be fou
10、nd in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (https:/ipr.etsi.org/). Pursuant to the ETSI IPR Po
11、licy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This Te
12、chnical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding E
13、TSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verbs terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to
14、 be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 126 114 V13.3.0 (2016-04)33GPP TS 26.114 version 13.3.0 Release 13Conten
15、ts Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 14g3Introduction 14g31 Scope 15g32 References 15g33 Definitions and abbreviations . 22g33.1 Definitions 22g33.2 Abbreviations . 23g34 System description . 25g34.1 System 25g34.2 Client 25g34.3 MRFP and MGW . 27g35
16、 Media codecs 27g35.1 Media components . 27g35.2 Codecs for MTSI clients in terminals . 28g35.2.1 Speech . 28g35.2.1.1 General codec requirements 28g35.2.1.2 Detailed codec requirements, AMR 28g35.2.1.3 Detailed codec requirements, AMR-WB 28g35.2.1.4 Detailed codec requirements, EVS 29g35.2.1.5 Offe
17、ring multiple audio bandwidths and multiple channels 29g35.2.1.6 Codec preference order . 29g35.2.2 Video 29g35.2.3 Real-time text 31g36 Media configuration . 31g36.1 General . 31g36.2 Session setup procedures 32g36.2.1 General 32g36.2.1a RTP profile negotiation 32g36.2.1a.1 General 32g36.2.1a.2 Usi
18、ng SDPCapNeg in SDP offer . 32g36.2.1a.3 Answering to an SDP offer using SDPCapNeg 33g36.2.2 Speech . 33g36.2.2.1 General 33g36.2.2.2 Generating SDP offers 34g36.2.2.3 Generating SDP answer 37g36.2.3 Video 45g36.2.3.1 Introduction . 45g36.2.3.2 Common Session Setup Procedures 46g36.2.3.3 Coordinatio
19、n of Video Orientation (CVO) . 47g36.2.3.4 Video Region-of-Interest (ROI) 47g36.2.3.5 RTP Retransmission 50g36.2.3.6 Forward Error Correction (FEC) . 50g36.2.4 Text . 50g36.2.5 Bandwidth negotiation 51g36.2.5.1 General 51g36.2.5.2 Speech . 52g36.2.5.3 Video . 54g36.2.6 The Synchronization Info attri
20、bute “3gpp_sync_info“ . 55g36.2.7 Negotiated QoS parameters 56g3ETSI ETSI TS 126 114 V13.3.0 (2016-04)43GPP TS 26.114 version 13.3.0 Release 136.2.7.1 General 56g36.2.7.2 Alignment of negotiated QoS parameters and b=AS bandwidth modifier 56g36.2.7.3 Alignment of negotiated QoS parameters and a=bw-in
21、fo attribute . 57g36.3 Session control procedures . 57g37 Data transport . 58g37.1 General . 58g37.2 RTP profiles . 58g37.3 RTCP usage 58g37.3.1 General 58g37.3.2 Speech . 59g37.3.3 Video 60g37.3.4 Real-time text 61g37.3.5 Void 61g37.3.6 Reduced-Size RTCP . 61g37.3.7 Video Region-of-Interest (ROI) S
22、ignaling . 62g37.4 RTP payload formats for MTSI clients 64g37.4.1 General 64g37.4.2 Speech . 65g37.4.3 Video 66g37.4.4 Real-time text 66g37.4.5 Coordination of Video Orientation . 66g37.4.6 RTP Retransmission . 69g37.4.7 Forward Error Correction (FEC) 69g37.5 Media flow . 69g37.5.1 General 69g37.5.2
23、 Media specific . 69g37.5.2.1 Speech . 69g37.5.2.1.1 General 69g37.5.2.1.2 Default operation . 69g37.5.2.1.3 HSPA . 70g37.5.2.1.4 EGPRS. 70g37.5.2.1.5 GIP 70g37.5.2.1.6 Initial codec mode for AMR and AMR-WB . 71g37.5.2.1.7 E-UTRAN . 71g37.5.2.1.8 Initial codec mode for EVS . 71g37.5.2.1.9 Dual-mono
24、. 72g37.5.2.2 Video . 72g37.5.2.3 Text . 72g37.5.3 Media synchronization 72g37.5.3.1 General 72g37.5.3.2 Text . 72g37.5.4 ECN usage in RTP sessions 72g37.5.5 Handling of bit-rate variations 73g37.5.5.1 General 73g37.5.5.2 Video . 73g37.5.5.3 Speech . 74g38 Jitter buffer management in MTSI clients in
25、 terminals 74g38.1 General . 74g38.2 Speech 74g38.2.1 Terminology . 74g38.2.2 Functional requirements for jitter-buffer management . 75g38.2.3 Minimum performance requirements for jitter-buffer management . 75g38.2.3.1 General 75g38.2.3.2 Objective performance requirements 76g38.2.3.2.1 General 76g3
26、8.2.3.2.2 Jitter buffer delay criteria 76g38.2.3.2.3 Jitter induced concealment operations . 77g38.2.3.3 Delay and error profiles 78g38.2.3.4 Speech material for JBM minimum performance evaluation 78g38.3 Video 78g3ETSI ETSI TS 126 114 V13.3.0 (2016-04)53GPP TS 26.114 version 13.3.0 Release 138.4 Te
27、xt 78g39 Packet-loss handling . 79g39.1 General . 79g39.2 Speech 79g39.2.1 General 79g39.2.2 Transmitting redundant frames . 79g39.2.3 Receiving redundant frames . 82g39.3 Video 83g39.3.1 General 83g39.3.2 Receiver behaviour . 83g39.3.3 Sender behaviour 83g39.3.4 Recommendations for packet loss reco
28、very mechanisms usage . 84g39.4 Text 84g310 Adaptation 85g310.1 General . 85g310.2 Speech 85g310.2.0 General 85g310.2.1 RTCP-APP with codec control requests . 86g310.2.1.1 General 86g310.2.1.2 General Format of RTCP-APP packet with codec control requests 87g310.2.1.2a Padding . 88g310.2.1.3 Redundan
29、cy Request . 88g310.2.1.4 Frame Aggregation Request 88g310.2.1.5 Codec Mode Request 89g310.2.1.6 Generation of RTP payloads for multiple codec control requests . 90g310.2.1.7 EVS Primary Rate Request . 91g310.2.1.8 EVS Bandwidth Request . 92g310.2.1.9 EVS Channel Aware Request . 92g310.2.1.10 EVS Pr
30、imary mode to EVS AMR-WB IO mode Switching Request . 93g310.2.1.11 EVS AMR-WB IO mode to EVS Primary mode Switching Request . 94g310.2.2 Example use cases 94g310.2.3 SDP negotiation for RTCP-APP . 96g310.3 Video 98g310.3.1 General 98g310.3.2 Signaling mechanisms 98g310.3.3 Adaptation triggers . 99g3
31、10.3.4 Sender behavior, downswitching 99g310.3.4.1 Downswitching divided into phases 99g310.3.4.2 Rate reduction phase . 100g310.3.4.3 Delay recovery phase 101g310.3.5 Sender behavior, up-switching 101g310.3.6 Receiver behavior, down-switching 101g310.3.7 Receiver behavior, up-switch 101g310.3.8 ECN
32、 triggered adaptation . 101g310.4 Text 102g310.5 Explicit Congestion Notification 103g310.6 Using the a=bw-info attribute for adaptation . 103g311 Front-end handling . 103g311.1 General . 103g312 Inter-working 104g312.1 General . 104g312.2 3G-324M 105g312.2.1 General 105g312.2.2 Codec usage 105g312.
33、2.2.1 General 105g312.2.2.2 Text . 105g312.2.3 Payload format 105g312.2.4 MTSI media gateway trans-packetization . 105g312.2.4.1 General 105g3ETSI ETSI TS 126 114 V13.3.0 (2016-04)63GPP TS 26.114 version 13.3.0 Release 1312.2.4.2 Speech de-jitter buffer . 105g312.2.4.3 Video bitrate equalization . 1
34、05g312.2.4.4 Data loss detection 106g312.2.4.5 Data integrity indication 106g312.2.4.6 Packet size considerations . 106g312.2.4.6.0 General 106g312.2.4.6.1 The Maximum Receive SDU Size attribute “3gpp_MaxRecvSDUSize” 106g312.2.4.7 Setting RTP timestamps 107g312.2.4.8 Protocol termination 107g312.2.4
35、.9 Media synchronization 107g312.2.5 Session control 107g312.3 GERAN/UTRAN CS inter-working . 107g312.3.0 3G-324M 108g312.3.1 Codecs for MTSI media gateways 108g312.3.1.1 Speech interworking between 3GPP PS access and CS GERAN/UTRAN. 108g312.3.1.1a Speech inter-working between fixed access and CS GE
36、RAN/UTRAN 109g312.3.1.2 Text . 109g312.3.2 RTP payload formats for MTSI media gateways 109g312.3.2.1 Speech . 109g312.3.2.2 Text . 110g312.3.3 Explicit Congestion Notification 110g312.3.4 Codec switching procedures with SRVCC . 111g312.4 PSTN 111g312.4.1 3G-324M 111g312.4.2 Text . 111g312.5 GIP inte
37、r-working. 112g312.5.1 Text . 112g312.5.2 Speech . 112g312.6 Void 112g312.6.1 Void 112g312.6.2 Void 112g312.7 Inter-working with other IMS and non-IMS IP networks 112g312.7.1 General 112g312.7.2 Speech . 112g312.7.2.1 General 112g312.7.2.2 Speech codecs and formats . 113g312.7.2.2.1 MTSI MGW for int
38、erworking between MTSI client in terminal using 3GPP access and other IMS or non-IMS IP networks 113g312.7.2.2.2 MTSI MGW for interworking between MTSI client in terminal using fixed access and other IMS or non-IMS IP networks 113g312.7.2.2.3 Common procedures 113g312.7.2.3 Codec preference order fo
39、r session negotiation 114g312.7.2.4 RTP profiles 114g312.7.2.5 RTP payload formats. 114g312.7.2.6 Packetization . 114g312.7.2.7 RTCP usage and adaptation 115g312.7.2.8 RTP usage . 116g312.7.2.9 Session setup and session modification. 116g312.7.2.10 Audio level alignment . 116g312.7.3 Explicit Conges
40、tion Notification 116g312.7.4 Text . 117g312.7.5 Inter-working IPv4 and IPv6 networks . 117g313 Void 117g313a Media types, codecs and formats used for MSRP transport . 117g313a.1 General . 117g313a.2 Difference relative to 3GPP TS 26.141 118g313a.2.1 Video 118g314 Supplementary services 118g314.1 Ge
41、neral . 118g314.2 Media formats and transport . 118g3ETSI ETSI TS 126 114 V13.3.0 (2016-04)73GPP TS 26.114 version 13.3.0 Release 1314.3 Media handling in hold procedures 118g315 Network preference management object 118g315.1 General . 118g315.2 Nodes Definition 119g315.3 Example Configuration of 3G
42、PP MTSINP MO . 131g316 Quality of Experience . 133g316.1 General . 133g316.2 Metrics Definition 133g316.2.1 Corruption duration metric . 133g316.2.2 Successive loss of RTP packets 134g316.2.3 Frame rate . 134g316.2.4 Jitter duration 134g316.2.5 Sync loss duration . 135g316.2.6 Round-trip time . 135g
43、316.2.7 Average codec bitrate . 135g316.2.8 Codec information 136g316.3 Metric Configuration 136g316.3.1 QoE metrics reporting management object . 136g316.3.2 QoE metric reporting configuration 140g316.3.3 QoE reporting rule definition 141g316.4 Metrics Reporting . 142g316.4.1 XML schema for QoE rep
44、ort message 143g316.4.2 Example XML for QoE report message . 144g317 Management of Media Adaptation . 144g317.1 General . 144g317.2 Media adaptation management object 145g317.3 Management procedures . 166g317.3.1 Management of speech adaptation 167g317.3.2 Management of video adaptation 168g318 MTSI
45、 client in terminal using fixed access 170g318.1 General . 170g318.2 Media codecs 170g318.2.1 General 170g318.2.2 Speech . 171g318.2.2.1 Speech codecs . 171g318.2.2.2 Error concealment procedures . 171g318.2.2.3 Source controlled rate operation . 171g318.2.3 Video 172g318.2.4 Real-time text 172g318.
46、3 Media configuration . 172g318.3.1 General 172g318.3.2 Session setup procedures 172g318.3.2.1 General 172g318.3.2.2 Speech . 173g318.3.2.3 Video . 173g318.3.2.4 Text . 173g318.3.2.5 Bandwidth negotiation 173g318.3.3 Session control procedures . 174g318.4 Data transport . 174g318.4.1 General 174g318
47、.4.2 Packetization . 174g318.4.3 RTP payload format 174g318.5 Jitter buffer management 175g318.6 Packet-loss handling . 175g318.7 Adaptation 175g318.8 Front-end handling . 175g318.9 Supplementary services 175g319 Additional bandwidth information . 176g319.1 General . 176g3ETSI ETSI TS 126 114 V13.3.
48、0 (2016-04)83GPP TS 26.114 version 13.3.0 Release 1319.2 Bandwidth properties . 176g319.2.1 General description . 176g319.2.2 Maximum Supported Bandwidth 177g319.2.3 Maximum Desired Bandwidth 177g319.2.4 Minimum Desired Bandwidth. 177g319.2.5 Minimum Supported Bandwidth. 178g319.2.6 IP version 178g3
49、19.2.7 Maximum Packet Rate 179g319.2.8 Minimum Packet Rate 179g319.3 SDP attribute 179g319.3.1 Definition 179g319.3.2 SDP grammar 179g319.3.3 Declarative use 181g319.3.4 Usage in offer/answer . 181g319.4 Modifications of the bandwidth information by intermediate network nodes 182g3Annex A (informative): Examples of SDP offers and answers . 183g3A.1 SDP offers for speech sessions initiated by MTSI client in terminal . 183g3A.1.1 HSPA or unknown access technology 183g3A.1.1.1 Only AMR-NB supported by MTSI client in terminal . 183g3A.1.1.2 AMR and AMR-WB are supported by MTSI cl
