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Content for  TS 32.275  Word version:  17.3.0

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1  Scopep. 7

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 TS 32.240, which provides an umbrella for other charging management TSs that specify:
  • the content of the CDRs per domain and subsystem (offline charging);
  • the content of real-time charging messages 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 for MultiMedia Telephony (MMTel) service and supplementary services, based on the functional description of MMTel in TS 22.173. Charging for the following supplementary services is specified:
  • Communications Diversion (CDIV);
  • Communication Hold (HOLD);
  • CONFerence (CONF);
  • Message Waiting Indication (MWI);
  • Originating Identity Presentation (OIP) / Originating Identity Restriction (OIR);
  • Terminating Identity Presentation (TIP) / Terminating Identity Restriction (TIR);
  • Call Barring (CB);
  • Explicit Call Transfer (ECT);
  • Communication Wait (CW);
  • Completion of Communications to Busy Subscriber (CCBS);
  • Completion of Communications by No Reply (CCNR);
  • Malicious Communication Identification (MCID);
  • Customized Alerting Tone (CAT);
  • Closed User Group (CUG);
  • Personal Network Management (PNM);
  • Customized Ringing Signal (CRS);
  • Reverse Charging;
  • Advice of Charge (AoC).
Charging of these supplementary services is performed at the respective MMTel AS. The MMTel charging aspects are an extension of the basic IMS charging capabilities as specified in the TS 32.260.
This charging description includes the offline, online and converged charging architecture and scenarios specific to the MMTel, as well as the mapping of the common 3GPP charging architecture specified in TS 32.240 onto the MMTel. 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 common IMS charging principles are specified in the TS 32.260.
  • 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 MMTel 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.
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2  Referencesp. 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 32.240: "Telecommunication management; charging management; charging architecture and principles".
[2] - [19]  Void
[20]
TS 32.260: "Telecommunication management; Charging management; IP Multimedia Subsystem (IMS) charging".
[21] - [40]  Void.
[41]
TS 32.281: "Telecommunication management; Charging management; Announcement service".
[42] - [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 Record (CDR) file format and transfer".
[53]
TS 32.296: "Telecommunication management; Charging management; Online Charging System (OCS) applications and interfaces".
[54]
TS 32.295: "Telecommunication management; Charging management; Charging Data Record (CDR) transfer".
[55] - [56]  Void.
[57]
TS 32.290: "Telecommunication management; Charging management; 5G system; Services, operations and procedures of charging using Service Based Interface (SBI)".
[58]
TS 32.291: " Telecommunication management; Charging management; 5G system; Charging service, stage 3".
[59] - [68]  Void.
[69]
TS 32.280: "Telecommunication management; Charging management; Advice of Charge (AoC) service".
[70] - [99]  Void.
[100]
TR 21.905: "Vocabulary for 3GPP Specifications".
[101]
TS 22.101: "Service aspects; Service principles".
[102]
TS 22.115: "Service aspects; Charging and billing".
[103]
TS 23.002: "Network architecture".
[104] - [199]  Void.
[200]
TS 22.173: "IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1".
[201]
TS 24.173: "IMS Multimedia telephony communication service and supplementary services; Stage 3 ".
[202]
TS 24.604: "Communication Diversion (CDIV) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[203]
TS 24.605: "Conference (CONF) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[204]
TS 24.606: "Message Waiting Indication (MWI) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[205]
TS 24.607: "Originating Identification Presentation (OIP) and Originating Identification Restriction (OIR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[206]
TS 24.608: "Terminating Identification Presentation (TIP) and Terminating Identification Restriction (TIR)using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[207]
TS 24.610: "Communication HOLD (HOLD) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[208]
TS 24.611: "Anonymous Communication Rejection (ACR) and Communication Barring (CB)using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[209]
TS 24.615: "Communication Waiting (CW) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[210]
TS 24.616: "Malicious Communication Identification (MCID) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[211]
TS 24.623: "Extensible Markup Language (XML) Configuration Access Protocol (XCAP) over the Ut interface for Manipulating Simulation Services".
[212]
TS 24.629: "Explicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[213]
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; Protocol specification".
[214]
TS 24.647: "Advice Of Charge (AOC) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[215]
TS 24.654: "Closed User Group (CUG) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".
[216]
TS 24.239: "Flexible Alerting (FA) using IP Multimedia (IM) Core Network (CN) subsystem, Protocol specification".
[217]
TS 24.182: "IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT); Protocol specification".
[218]
TS 23.259: "Personal Network Management (PNM); Procedures and information flows; Stage 2".
[219]
TS 24.183: "IP Multimedia Subsystem (IMS) Customized Ringing Signal CRS); Protocol specification".
[220]
TS 24.147: "Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3".
[221]
TS 24.228: "Signalling flows for the IP multimedia call control based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3".
[222] - [401]  Void.
[402]
RFC 4006  (2005): "Diameter Credit-Control Application".
[403] - [499]  Void.
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3  Definitions and abbreviationsp. 12

3.1  Definitions |R12|p. 12

For the purposes of the present document, the terms and definitions given in TR 21.905, TS 32.240 apply.

3.2  Symbolsp. 12

For the purposes of the present document, the following symbols applies:
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.
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.
Nchf
Service based interface exhibited by CHF.

3.3  Abbreviations |R12|p. 12

For the purposes of the present document, the abbreviations defined in TR 21.905, TS 32.240 and the following apply:
3PCC
Third Party Call Control
3PTY
Three-Party
AoC
Advice of Charge
CAT
Customized Alerting Tone
CB
Communication session Barring
CCBS
Completion of Communication sessions to Busy Subscriber
CCNR
Completion of Communications on No Reply
CD
Communication Deflection
CDIV
Communication DIVersion
CFB
Communication Forwarding Busy
CFU
Communication Forwarding Unconditional
CFNL
Communication Forwarding on Not Logged-in
CFNR
Communication Forwarding No Reply
CFNRc
Communication Forwarding on Subscriber Not Reachable
CFUDB
Communication Forwarding User Determined Busy
CONF
CONFerence
CUG
Closed User Group
CW
Communication Waiting
ECT
Explicit Communication Transfer
FA
Flexible Alerting
HOLD
Communication HOLD
ICB
Incoming Communication Barring
MCID
Malicious Communication Identification
MMTel
MultiMedia Telephony
MWI
Message Waiting Indication
NDUB
Network Determined User Busy
OCB
Outgoing Communication Barring
OIP
Originating Identity Presentation
OIR
Originating Identity Restriction
PNM
Personal Network Management
CRS
Customized Ringing Signal
TIP
Terminating Identity Presentation
TIR
Terminating Identity Restriction
URN
Uniform Resource Name
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4  Architecture considerationsp. 13

4.1  High level MMTel architecturep. 13

Figure 4.1.1 depicts the IMS reference architecture, as described in TS 23.002, with "colorized" AS as entity involved in MMTel service and supplementary services charging described in the present document.
Copy of original 3GPP image for 3GPP TS 32.275, Fig. 4.1.1: Entities involved in MMTel service charging in IMS logical architecture
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The AS provides the application level network functionality for MMTel service and supplementary services, whereas the overall IMS Network provides the basic IMS capabilities supporting MMTel service.

4.2  MMTel offline charging architecturep. 14

Figure 4.2.1 depicts the MMTel offline charging architecture.
Copy of original 3GPP image for 3GPP TS 32.275, Fig. 4.2.1: MMTel offline charging architecture
Figure 4.2.1: MMTel offline charging architecture
(⇒ copy of original 3GPP image)
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This MMtel offline charging architecture is based on the IMS offline charging architecture described in TS 32.260, with service CTFs supporting MMtel specific service charging, interfacing the CDF through the Rf reference point.
The CTFs considered in the MMTel offline charging architecture reside in the Application level network functionality providing MMTel service and supplementary services.
The CTFs related to charging for the IMS basic capabilities supporting MMTel service, are described in TS 32.260, and reside in the set of IMS Nodes (S-CSCF, MRFC…) reflected in IMS offline architecture.
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4.3  MMTel online charging architecturep. 15

The architecture for MMTel online charging is described in Figure 4.3.1.
Copy of original 3GPP image for 3GPP TS 32.275, Fig. 4.3.1: MMTel online charging architecture
Figure 4.3.1: MMTel online charging architecture
(⇒ copy of original 3GPP image)
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This MMtel online charging architecture is based on the IMS online charging architecture described in TS 32.260, with service CTFs supporting MMtel specific service charging, interfacing the OCS through the Ro reference point.
The CTFs considered in the MMTel online charging architecture reside in the Application level network functionality providing MMTel service and supplementary services.
The CTFs related to charging for the IMS basic capabilities supporting MMTel service, are described in TS 32.260, and reside in the set of IMS Nodes (S-CSCF, MRFC…) reflected in IMS online architecture.
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4.4  MMTel converged charging architecture |R16|p. 16

The architectural options for MMTel converged charging are depicted in Figure 4.4.1.
Copy of original 3GPP image for 3GPP TS 32.275, Fig. 4.4.1: MMTel converged charging architecture
Figure 4.4.1: MMTel converged charging architecture
(⇒ copy of original 3GPP image)
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This MMTel converged charging architecture is based on the IMS converged charging architecture described in TS 32.260, with service CTFs supporting MMTel specific service charging, using the Nchf service. This architecture is also applicable to offline only charging.
The CTFs considered in the MMTel converged charging architecture reside in the Application level network functionality providing MMTel service and supplementary services, other CTFs related to charging for the IMS basic capabilities (supporting MMTel service), are described in TS 32.260.
The general architecture components can be found in TS 32.240.
Ga is described in clause 5.2.3 and Bi in clause 5.2.4 of this document, and Nchf is described in TS 32.290.
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