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Content for  TS 32.260  Word version:  17.4.0

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1  Scopep. 9

The present document is part of a series of Technical Specifications (TSs) that specify charging functionality and charging management in 3GPP networks. The 3GPP core network charging architecture and principles are specified in document TS 32.240, which provides an umbrella for other charging management documents that specify:
  • the content of the CDRs per domain and subsystem (offline charging),
  • the content of real-time charging events per domain / subsystem (online charging);
  • the functionality of online and offline charging for those domains and subsystems;
  • the interfaces that are used in the charging framework to transfer the charging information (i.e. CDRs or charging events).
The complete document structure for these TSs is defined in TS 32.240.
The present document specifies the offline, online and converged charging description for the IP Multimedia Subsystem (IMS), based on the functional descriptions of the IMS in TS 23.228. This charging description includes the offline, online and converged charging architecture and scenarios specific to IMS, as well as the mapping of common 3GPP charging architecture specified in TS 32.240 onto IMS. It further specifies the structure and content of the CDRs and the charging events. The present document is related to other 3GPP charging TSs as follows:
  • The common 3GPP charging architecture is specified in TS 32.240;
  • The parameters, abstract syntax and encoding rules for these CDR types are specified in TS 32.298.
  • A transaction based mechanism for the transfer of CDRs within the network is specified in TS 32.295.
  • The file based mechanism used to transfer the CDRs from the network to the operator's billing domain (e.g. the billing system or a mediation device) is specified in TS 32.297.
  • The 3GPP Diameter application that is used for IMS offline and online charging is specified in TS 32.299.
  • The services, operations and procedures of charging, using Service Based Interface are specified in TS 32.290.
  • The charging service of 5G system is specified in TS 32.291.
Furthermore, requirements that govern the charging work are specified in TS 22.115.
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2  Referencesp. 10

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 32.240: "Telecommunication management; Charging management; Charging architecture and principles".
[2]  Void.
[3] - [10]  Void.
[11]
TS 32.251: "Telecommunication management; Charging management; Packet Switched (PS) domain charging".
[12] - [34]  Void.
[35]
TS 32.275: "Telecommunication management; Charging management; MultiMedia Telephony (MMTel) charging".
[36]
TS 32.276: "Telecommunication management; Charging management; Voice Call Service (VCS) charging".
[37] - [39]  Void.
[40]
TS 32.280: "Telecommunication management; Charging management; Advice of Charge (AoC) service".
[41]
TS 32.281: "Telecommunication management; Charging management; Announcement service".
[42] - [44]  Void.
[45]
TS 32.290: "Telecommunication management; Charging management; 5G system; Services, operations and procedures of charging using Service Based Interface (SBI)".
[46]
TS 32.291: "Telecommunication management; Charging management; 5G system; Charging service, stage 3".
[47] - [49]  Void.
[50]
TS 32.299: "Telecommunication management; Charging management; Diameter charging application".
[51]
TS 32.298: "Telecommunication management; Charging management; Charging Data Record (CDR) parameter description".
[52]
TS 32.297: "Telecommunication management; Charging management; Charging Data Records (CDR) file format and transfer".
[53]  Void.
[54]
TS 32.295: "Telecommunication management; Charging management; Charging Data Record (CDR) transfer".
[55] - [99]  Void.
[100]
TR 21.905: "Vocabulary for 3GPP Specifications".
[101]
TS 22.115: "Service aspects; Charging and billing".
[102]  Void.
[103]
TS 23.002: "Network architecture".
[104]
TS 23.003: "Numbering, addressing and identification".
[105] - [199]  Void.
[200]
TS 22.228: "Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1".
[201]
TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2".
[202]
TS 24.228: "Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3".
[203]
TS 23.218: "IP Multimedia (IM) session handling; IM call model; Stage 2".
[204]
TS 24.229: "IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3".
[205]
TS 29.229: "Cx and Dx interfaces based on the Diameter protocol; Protocol details".
[206]
TS 29.658: "SIP Transfer of IP Multimedia Service Tariff Information; Protocol specification".
[207]
TS 33.203: "3G security; Access security for IP-based services".
[208]
TS 33.210: "3G security; Network Domain Security (NDS); IP network layer security".
[209]
TS 33.310: "Network Domain Security (NDS); Authentication Framework (AF)".
[210]
TS 24.292: "IP Multimedia (IM) Core Network (CN) subsystem Centralized Services (ICS); Stage 3".
[211]
TS 29.079: "Optimal media routeing within the IP Multimedia Subsystem (IMS); Stage 3".
[212]
TS 23.167: "IP Multimedia Subsystem (IMS) emergency sessions".
[213]
TS 23.203: "Policy and charging control architecture".
[214]
TS 29.214: "Policy and charging control over Rx reference point".
[215]
TS 29.328: "IP Multimedia (IM) Subsystem Sh Interface; Signalling flows and message contents".
[216]
TS 23.237: "IP Multimedia Subsystem (IMS) Service Continuity; Stage 2".
[217]
TS 24.237: "IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) service continuity; Stage 3".
[218]
TS 24.337: "IP Multimedia Subsystem (IMS) inter-UE transfer; Stage 3".
[219]
TS 23.292: "IP Multimedia Subsystem (IMS) centralized services; Stage 2".
[220]
TS 24.628: "Common Basic Communication procedures using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[221]
TS 23.503: "Policy and Charging Control Framework for the 5G System; Stage 2".
[222]
TS 23.401: "General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access".
[223] - [299]  Void.
[300] - [399]  Void.
[400]  Void.
[401]  Void.
[402]
RFC 4006  (2005): "Diameter Credit-Control Application".
[403]
RFC 2806  (2000): "URLs for Telephone Calls".
[404]
RFC 3261  (2002): "SIP: Session Initiation Protocol".
[405]
RFC 2486  (1999): "The Network Access Identifier".
[406]
RFC 7315  (2014): "Private Header (P-Header) Extensions to the Session Initiation Protocol (SIP) for the 3rd-Generation Partnership Project (3GPP)".
[407]  Void.
[408]  Void.
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3  Definitions, symbols and abbreviationsp. 13

3.1  Definitionsp. 13

For the purposes of the present document, the following terms and definitions given in TR 21.905 and TS 32.240 apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905.

3.2  Symbolsp. 13

For the purposes of the present document, the following symbols apply:
Bi
Reference point for the CDR file transfer from the IMS CGF to the BD.
Ga
Reference point for CDR transfer between a CDF and CGF.
Nchf
Service based interface exhibited by CHF.
N45
Reference point between IMS Node and the CHF.
Rf
Offline Charging Reference Point between an IMS Network Entity or an AS and CDF
Ro
Online Charging Reference Point between an AS or MRFC and IMS-GWF and the OCS

3.3  Abbreviationsp. 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.
5GS
5G System
ABNF
Augmented Backus-Naur Form
ACA
Accounting-Answer
ACR
Accounting-Request
AS
Application Server
ATCF
Access Transfer Control Function
ATGW
Access Transfer Gateway
AVP
Attribute Value Pair
B2BUA
Back-to-Back User Agent
BGCF
Breakout Gateway Control Function
BS
Billing System
CCA
Credit-Control-Answer
CCF
Charging Collection Function
CCR
Credit-Control-Request
CDF
Charging Data Function
CDIV
Communication Diversion
CDR
Charging Data Record
CGF
Charging Gateway Function
CHF
Charging Function
CONF
Conference
CPCF
Content Provider Charging Function
CSCF
Call Session Control Function (I-Interrogating; P-Proxy; and S-Serving)
EATF
Emergency Access Transfer Function
ECF
Event Charging Function
ECUR
Event Charging with Unit Reservation
IBCF
Interconnect Border Control Function
IEC
Immediate Event Charging
IMS
IP Multimedia Subsystem
IMS-AGW
IMS Access Media Gateway
IMS-ALG
IMS - Application Level Gateway
IMS-GWF
IMS Gateway Function
IOI
Inter Operator Identifier
ISC
IMS Service Control
LBO
Local Break Out
MGCF
Media Gateway Control Function
MMTel
MultiMedia Telephony
MRFC
Media Resource Function Controller
NNI
Network to Network Interface
MRFP
Multimedia Resource Function Processor
NCGI
NR Cell Global Identity
NCI
NR Cell Identity
NetLoc
Network provided Location informationNR New Radio
OCS
Online Charging System
OMR
Optimal Media Routing
PCRF
Policy and Charging Rules Function
PCF
Policy Control Function
RTTI
Real-time Transfer of Tariff Information
SCCF
Subscriber Content Charging Function
SCUR
Session Charging with Unit Reservation
SDP
Session Description Protocol
SMF
Session Management Function
SIP
Session Initiation Protocol
TF
Transit Functions
TIP
Terminating Identity Presentation
TIR
Terminating Identity Restriction
TRF
Transit and Roaming Function
TrGW
Transition GateWay
UA
User Agent
UE
User Equipment
VCC
Voice Call Continuity
VCS
Voice Call Service
VDN
VCC Domain transfer Number
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