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Content for  TS 23.333  Word version:  17.1.0

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1 Scope  2 References  3 Definitions, symbols and abbreviations  3.1 Definitions  3.2 Symbols  3.3 Abbreviations 
...

 

1  Scope  p. 9

This specification describes the functional requirements and information flows that generate procedures between the Multimedia Resource Function Controller (MRFC) and the Multimedia Resource Function Processor (MRFP), the Mp Interface.
This specification is limited to information flows relevant to the Mp Interface; in order to define these procedures and make the functional requirements clear some triggers from an external interface may be described; these may be specified within the Mr interface for example or within an AS in which the MRFC function resides. However for the overall stage 2 procedures of IMS see TS 23.228.
The protocol on the Mp interface is defined to comply with ITU-T H.248.1 Gateway Control Protocol; see [3]. The goal of this specification is to provide the input to defining a formal Profile within the H.248 protocol toolbox specifically for the Mp application.
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2  References  p. 9

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non-specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2".
[2]
TS 23.002: "Network architecture".
[3]
ITU-T Recommendation H.248.1 (05/2002), Gateway control protocol: Version 2 + Corrigendum 1 (03/2004) and ITU-T Recommendation H.248.1 (09/2005), Gateway control protocol: Version 3 for Floor Control requirements.
[4]
TS 24.147: "Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3".
[5]
TS 26.244: "Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)".
[6]
TR 21.905: "Vocabulary for 3GPP Specifications".
[7]
TS 23.205: "Bearer independent circuit-switched core network; Stage 2".
[8]  Void.
[9]
TS 29.163: "Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks".
[10]
RFC 2833:  "RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals".
[11]
W3C Recommendation (September 2004): "Speech Synthesis Markup Language (SSML) Version 1.0".
[12]
W3C Recommendation (September 2004): "Speech Recognition Grammar Specification (SRGS) Version 1.0".
[13]
W3C Recommendation (September 2005): "Extensible MultiModal Annotation markup language (EMMA) (draft work in progress)".
[14]
TS 32.260: "Telecommunication management; Charging management; IP Multimedia Subsystem (IMS) charging".
[15]
W3C Recommendation (November 2000): "Natural Language Semantics Markup Language (NLSML) for the Speech Interface Framework".
[16]
TS 29.333: "Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp Interface - Stage 3".
[17]
TS 24.247: "Messaging service using the IP Multimedia (IM) Core Network (CN) subsystem - Stage 3".
[18]
RFC 4975:  "The Message Session Relay Protocol (MSRP)".
[19]
RFC 4376:  "Requirements for Floor Control Protocols".
[20]
RFC 4582:  "The Binary Floor Control Protocol (BFCP)".
[21]
RFC 4583:  "Session Description Protocol (SDP) Format for Binary Floor Control Protocol (BFCP) Streams".
[22]
TS 26.140: "Multimedia Messaging Service; Media formats and codecs".
[23]
TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction".
[24]
RFC 3168:  "The Addition of Explicit Congestion Notification (ECN) to IP".
[25]
RFC 6679:  "Explicit Congestion Notification (ECN) for RTP over UDP".
[26]
TS 22.153: "Multimedia Priority Service".
[27]
RFC 5285:  "A General Mechanism for RTP Header Extensions".
[28]
RFC 6236:  "Negotiation of Generic Image Attributes in the Session Description Protocol (SDP)".
[29]  Void.
[30]
TS 24.229: "IP Multimedia Call Control Protocol based on SIP and SDP".
[31]
TS 33.328: "IMS Media Plane Security".
[32]  Void.
[33]
RFC 6043:  "MIKEY-TICKET: Ticket-Based Modes of Key Distribution in Multimedia Internet KEYing (MIKEY)".
[34]
RFC 4279:  "Pre-Shared Key Ciphersuites for Transport Layer Security (TLS)".
[35]
RFC 4567:  "Key Management Extensions for Session Description Protocol (SDP) and Real Time Streaming Protocol (RTSP)".
[36]
RFC 4145:  "TCP-Based Media Transport in the Session Description Protocol (SDP)".
[37]
RFC 3830:  "MIKEY: Multimedia Internet KEYing".
[38]
RFC 793:  "Transmission Control Protocol - DARPA Internet Program - Protocol Specification".
[39]
RFC 8122:  "Connection-Oriented Media Transport over the Transport Layer Security (TLS) Protocol in the Session Description Protocol (SDP)".
[40]
RFC 6714:  "Connection Establishment for Media Anchoring (CEMA) for the Message Session Relay Protocol (MSRP)".
[41]
TS 23.334: "IMS Application Level Gateway (IMS-ALG) - IMS Access Gateway (IMS-AGW) interface: Procedures Descriptions".
[42]
TS 26.441: "Codec for Enhanced Voice Services (EVS); General Overview".
[43]
TS 26.445: "Codec for Enhanced Voice Services (EVS); Detailed Algorithmic Description".
[44]
RFC 4566:  "SDP: Session Description Protocol".
[45]
RFC 4867:  "RTP Payload Format and File Storage Format for the Adaptive Multi-Rate (AMR) and Adaptive Multi-Rate Wideband (AMR-WB) Audio Codecs".
[46]
RFC 5746:  "Transport Layer Security (TLS) Renegotiation Indication Extension".
[47]
TS 33.310: "Network Domain Security (NDS); Authentication Framework (AF)".
[48]
RFC 8841:  "Session Description Protocol (SDP) Offer/Answer Procedures for Stream Control Transmission Protocol (SCTP) over Datagram Transport Layer Security (DTLS) Transport".
[49]
RFC 8850:  "Controlling Multiple Streams for Telepresence (CLUE) Protocol Data Channel".
[50]
RFC 8864:  "Negotiation Data Channels Using the Session Description Protocol (SDP)".
[51]
RFC 6525:  "Stream Control Transmission Protocol (SCTP) Stream Reconfiguration".
[52]
TS 24.103: "Telepresence using the IP Multimedia (IM) Core Network (CN) Subsystem (IMS); Stage 3".
[53]
RFC 5939:  "Session Description Protocol (SDP) Capability Negotiation".
[54]
RFC 4573:  "MIME Type Registration for RTP Payload Format for H.224".
[55]
ITU-T Recommendation H.224 (01/2005): "A real time control protocol for simplex applications using the H.221 LSD/HSD/MLP channels".
[56]
ITU-T Recommendation H.281 (11/1994): "A far end camera control protocol for videoconferences using H.224".
[57]
RFC 8853:  "Using Simulcast in Session Description Protocol (SDP) and RTP Session".
[58]
RFC 8851:  "RTP Payload Format Restrictions".
[59]
RFC 4796:  "The Session Description Protocol (SDP) Content Attribute".
[60]
RFC 4585:  "Extended RTP Profile for Real-time Transport Control Protocol (RTCP)-Based Feedback (RTP/AVPF)".
[61]
RFC 5104:  "Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF)".
[62]
RFC 7728:  "RTP Stream Pause and Resume".
[63]
RFC 3840:  "Indicating User Agent Capabilities in the Session Initiation Protocol (SIP)".
[64]
RFC 4574:  "The Session Description Protocol (SDP) Label Attribute".
[65]
RFC 8842:  "Session Description Protocol (SDP) Offer/Answer Considerations for Datagram Transport Layer Security (DTLS) and Transport Layer Security (TLS)".
[66]
RFC 8445:  "Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal".
[67]
RFC 8839:  "Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)".
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3  Definitions, symbols and abbreviations  p. 12

3.1  Definitions  p. 12

For the purposes of the present document, the terms and definitions given in TR 21.905 and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.
CLUE:
The acronym for "ControLling mUltiple streams for tElepresence", which is the name of the IETF working group in which the requirements and protocol for telepresence are developed. CLUE-something refers to something that has been designed by the IETF CLUE working group, e.g, CLUE protocol and CLUE data channel.
End-to-end security:
media protection between the IMS UE and the MRFP without being terminated by any intermediary node.
Full ICE:
The full implementation of the Interactive Connectivity Establishment (ICE) specified in RFC 8445.
ICE lite:
The lite implementation of the Interactive Connectivity Establishment (ICE) specified in RFC 8445.
Media Gateway:
See Recommendation H.248.1 [3].
Media Gateway Controller:
See Recommendation H.248.1 [3].
Multimedia Resource Function Controller:
See TS 23.228.
Multimedia Resource Function Processor:
See TS 23.228.
 
For the purposes of the present document, the following terms and definitions given in RFC 3830 apply:
Crypto Session (CS)
Initiator
Responder
 
For the purposes of the present document, the following terms and definitions given in RFC 6043 apply:
Traffic-Encrypting Key (TEK)
TEK Generation Key (TGK)
Ticket
 
For the purposes of the present document, the following terms and definitions given in TS 26.114 apply:
Simulcast
Simulcast stream
Simulcast format
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3.2  Symbols  p. 12

For the purposes of the present document, the following symbols apply:
Mr
Interface between the MRFC and S-CSCF
Mp
Interface between the MRFC and MRFP
Mb
Interface between MRFP and the other bearer entity

3.3  Abbreviations  p. 13

For the purposes of the present document, the abbreviations given in TR 21.905 and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905.
AMR
Adaptive Multi-Rate
AMR-WB
Adaptive Multi-Rate - WideBand
AMR-WB IO
Adaptive Multi-Rate - WideBand Inter-operable Mode, included in the EVS codec
APP
APPlication-defined RTCP packet
ASR
Automatic Speech Recognition
BFCP
Binary Floor Control Protocol
CCM
Codec Control Messages
CS
Crypto Session
CVO
Coordination of Video Orientation
DBI
Delay Budget Information
DTMF
Dual Tone Multi Frequency
DTLS
Datagram Transport Layer Security
DTX
Discontinuous Transmission
e2e
End-to-end
ECN
Explicit Congestion Notification
ECN-CE
ECN Congestion Experienced
EVS
Enhanced Voice Services
EMMA
Extensible MultiModal Annotation markup language
FECC
Far End Camera Control
FIR
Full Intra Request
ICE
Interactive Connectivity Establishment
IP
Internet Protocol
KMS
Key Management Service
MGC
Media Gateway Controller
MGW
Media Gateway
MIKEY
Multimedia Internet KEYing
MMCMH
Multi-stream Multiparty Conferencing Media Handling
MPS
Multimedia Priority Service
MRFC
Multimedia Resource Function Controller
MRFP
Multimedia Resource Function Processor
MSRP
Message Session Relay Protocol
NLSML
Natural Language Semantics Markup Language
PSK
Pre-Shared Key
ROI
Region of Interest
RTCP
RTP Control Protocol
RTP
Real-time Transport Protocol
SCTP
Stream Control Transmission Protocol
SDP
Session Description Protocol
SDPCapNeg
SDP Capability Negotiation
SIP
Session Initiation Protocol
SRGS
Speech Recognition Grammar Specification
SSML
Speech Synthesis Markup Language
STUN
Session Traversal Utilities for NAT
TCP
Transmission Control Protocol
TEK
Traffic Encryption Key
TGK
TEK Generation Key
TLS
Transport Layer Security
TMMBN
Temporary Maximum Media Stream Bit Rate Notification
TMMBR
Temporary Maximum Media Stream Bit Rate Request
TP
TelePresence
TTS
Text to Speech
UDP
User Datagram Protocol
URN
Uniform Resource Name
VXML
Voice Extensible Markup Language
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