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Content for  TS 29.292  Word version:  17.0.0

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1  Scopep. 8

IMS Centralized Services (ICS) enable the delivery of IM CN subsystem based multimedia telephony and supplementary services as defined in TS 24.173 to users regardless of the attached access network type; e.g. CS domain access or IP-CAN.
The present document specifies the principles of interworking between the IM CN subsystem and CS domain in order to enable ICS for UEs using CS domain access.
The present document addresses the area of registration procedures interworking between the CS domain and IM CN subsystem.
The present document addresses the areas of control and user plane interworking between the IM CN subsystem and CS domain through an MSC Server enhanced for ICS and CS-MGW respectively. This includes the signalling procedures between the MSC Server and CS-MGW. For the specification of control plane interworking, present document defines the protocol interworking between the 3GPP profile of SIP as described in TS 24.229 and NAS signalling as described in TS 24.008 required for the support of IM CN subsystem based multimedia telephony and supplementary services.
The present document addresses the area of supplementary service configuration interworking between the CS domain and IM CN subsystem.
The present document is applicable to the MSC Server and CS-MGW.
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2  Referencesp. 8

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]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TS 24.229: "IP Multimedia Call Control Protocol based on SIP and SDP".
[3]
TS 24.008: "Mobile radio interface layer 3 specification; Core Network protocols; Stage 3".
[4]
TS 24.173: "IMS multimedia telephony communication service and supplementary services; Stage 3".
[5]
TS 23.292: "IP Multimedia Subsystem (IMS) Centralized Services; Stage 2".
[6]
TS 23.002: "Network Architecture".
[7]
TS 24.292: "IP Multimedia (IM) Core Network (CN) subsystem Centralized Services (ICS); Stage 3".
[8]
TS 23.018: "Basic call handling; Technical realization".
[9]
TS 22.003: "Circuit Teleservices supported by a Public Land Mobile Network (PLMN)".
[10]
TS 23.003: "Numbering, addressing and identification".
[11]
TS 29.232: "Media Gateway Controller (MGC) - Media Gateway (MGW) interface; Stage 3".
[12]
TS 24.081: "Line Identification Supplementary Services - Stage 3".
[13]  Void
[14]
TS 24.608: "Terminating Identification Presentation (TIP) and Terminating Identification Restriction (TIR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[15]
TS 25.414: "UTRAN Iu interface data transport and transport signalling".
[16]
TS 25.415: "UTRAN Iu interface user plane protocols".
[17]
TS 25.411: "UTRAN Iu interface layer 1".
[18]
TS 29.414: "Core network Nb data transport and transport signalling".
[19]
TS 48.004: "Base Station System - Mobile-services Switching Centre (BSS - MSC) interface; Layer 1 specification".
[20]
TS 29.002: "Mobile Application Part (MAP) specification".
[21]  Void.
[22]
TS 26.226: "CTM Cellular Text telephony Modem, General description".
[23]
TS 24.604: "Communication Diversion (CDIV) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[24]
TS 24.082: "Call Forwarding (CF) supplementary services; Stage 3".
[25]
TS 24.072: "Call Deflection (CD) Supplementary Service; Stage 3".
[26]
TS 24.083: "Call Waiting (CS) and Call Hold (HOLD) supplementary services; Stage 3".
[27]
TS 24.610: "Communication HOLD (HOLD) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[28]
TS 26.114: "IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction".
[29]
TS 24.080: "Mobile radio interface layer 3 supplementary services specification; Formats and coding".
[30]
TS 24.088: "Call Barring (CB) Supplementary Service - Stage 3".
[31]
TS 24.611: "Anonymous Communication Rejection (ACR) and Communication Barring (CB); using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[32]
TS 24.091: "Explicit Call Transfer (ECT) supplementary service; Stage 3".
[33]
TS 24.629: "Explicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[34]
TS 24.084: "Multi Party (MPTY) supplementary service - Stage 3".
[35]
TS 24.605: "Conference (CONF) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[36]
TS 24.147: "Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3".
[37]
TS 23.009: "Handover procedures".
[38]
TS 48.103: "Base Station System - Media GateWay (BSS-MGW) interface; User Plane transport mechanism".
[39]
TS 23.205: "Bearer Independent switched core network; Stage 2".
[40]
TS 23.231: "SIP-I based circuit-switched core network; Stage 2".
[41]
TS 24.010: "Mobile radio interface layer 3 Supplementary services specification; General aspects".
[42]
TS 24.623: "Extensible Markup Language (XML) Configuration Access Protocol (XCAP) over the Ut interface for Manipulating Supplementary Services".
[43]
TS 24.607: "Originating Identification Presentation (OIP) and Originating Identification Restriction (OIR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[44]
TS 24.615: "Communication Waiting (CW) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[45]
RFC 3326:  "The Reason Header Field for the Session Initiation Protocol (SIP)".
[46]
TS 29.163: "Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks".
[47]
RFC 5009:  "Private Header (P-Header) Extension to the Session Initiation Protocol (SIP) for Authorization of Early Media".
[48]
RFC 3168:  "The Addition of Explicit Congestion Notification (ECN) to IP".
[49]
RFC 6679:  "Explicit Congestion Notification (ECN) for RTP over UDP".
[50]
RFC 3959:  "The Early Session Disposition Type for the Session Initiation Protocol (SIP)".
[51]
TS 24.182: "IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT); Protocol specification".
[52]
TS 24.642: "Completion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem".
[53]
TS 24.093: "Completion of Calls to Busy Subscriber (CCBS); Stage 3".
[54]
TS 22.153: "Multimedia Priority Service".
[55]
RFC 4458:  "Session Initiation Protocol (SIP) URIs for Applications such as Voicemail and Interactive Voice Response (IVR)".
[56]
TS 32.260: "Telecommunication management; Charging management; IP Multimedia Subsystem (IMS) charging".
[57]
RFC 3262:  "Reliability of provisional responses in Session Initiation Protocol (SIP)".
[58]
RFC 3312:  "Integration of Resource Management and Session Initiation Protocol (SIP)".
[59]
RFC 4032:  "Update to the Session Initiation Protocol (SIP) Preconditions Framework".
[60]  Void.
[61]
TS 26.441: "Codec for Enhanced Voice Services (EVS); General Overview".
[62]
TS 26.445: "Codec for Enhanced Voice Services (EVS); Detailed Algorithmic Description".
[63]
RFC 5939:"Session  Description Protocol (SDP) Capability Negotiation".
[64]
TS 23.333: " Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp interface: Procedures Descriptions".
[65]
RFC 8197:  "A SIP Response Code for Unwanted Calls".
[66]
RFC 8224:  "Authenticated Identity Management in the Session Initiation Protocol (SIP)".
[67]
ITU-T Recommendation Q.850 (05/1998) including Amendment 1 (07/2001): "Usage of cause and location in the Digital Subscriber Signalling System No. 1 and the Signalling System No. 7 ISDN User Part".
[68]
RFC 8606:  "ISDN User Part (ISUP) Cause Location Parameter for the SIP Reason Header Field".
[69]
RFC 8445:  "Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal".
[70]
RFC 8839:  "Session Description Protocol (SDP) Offer/Answer Procedures for Interactive Connectivity Establishment (ICE)".
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3  Definitions and abbreviationsp. 11

3.1  Definitionsp. 11

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.
ICE lite:
The lite implementation of the Interactive Connectivity Establishment (ICE) specified in IETF RFC 8445 [69].
Full ICE:
The full implementation of the Interactive Connectivity Establishment (ICE) specified in IETF RFC 8445 [69].
NAS signalling:
layer 3 signalling carried over CS domain access between the UE and MSC Server as defined in TS 24.008.
For the purposes of the present document, the following terms and definitions given in TS 24.629 apply:
transferee
transferor
transfer target
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3.2  Abbreviationsp. 11

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.
3PCC
3rd Party Call Control
ACR
Anonymous Communication Rejection
BAIC
Barring of All Incoming Calls
BAOC
Barring of All Outgoing Calls
BIC-Roam
Barring of Incoming Calls when Roaming outside the home PLMN country
BOIC
Barring of Outgoing International Calls
BOIC-exHC
Barring of Outgoing International Calls except those directed to the Home PLMN Country
CB
Communication Barring
CCBS
Completion of Communication to Busy Subscriber
CCNL
Completion of Communications on Not Logged-in
CCNR
Completion of Communications on No Reply
CD
Communication Deflection
CDIV
Communication DIVersion
CFNL
Communication Forwarding on Not Logged-in
CFNR
Communication Forwarding No Reply
CFNRc
Communication Forwarding on subscriber Not Reachable
CFU
Communication Forwarding Unconditional
CONF
CONFerence
CS
Circuit Switched
CS-MGW
Circuit Switched Media Gateway
ECN
Explicit Congestion Notification
ECT
Explicit Communication Transfer
EVS
Enhanced Voice Services
GRUU
Globally Routable User Agent URI
HOLD
communication HOLD
ICB
Incoming Communication Barring
ICE
Interactive Connectivity Establishment
ICS
IM CN subsystem Centralized Services
IMS-MGW
IP Multimedia Subsystem-Media Gateway Function
IuFP
Iu Framing Protocol
MboIP
Mb over IP
MRFP
Media Resource Function Processor
MPS
Multimedia Priority Service
NAS
Non Access Stratum
OCB
Outgoing Communication Barring
OIP
Originating Identification Presentation
OIR
Originating Identification Restriction
RTCP
RTP Control Protocol
SDPCapNeg
SDP Capability Negotiation
TDM
Time Division Multiplex
TIP
Terminating Identification Presentation
TIR
Terminating Identification Restriction
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