Content for TS 32.260 Word version: 17.5.0
5.2 IMS offline charging principles
5.2.1 Basic principles
5.2.2 Message flows and types
5.2.3 CDR generation
5.2.4 GTP' record transfer flows
5.2.5 Bi CDR file transfer
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5.2 IMS offline charging principles p. 31
5.2.1 Basic principles p. 31
5.2.1.0 General |R17| p. 31
5.2.1.1 Reference point Rf specifics |R17| p. 31
5.2.1.2 Service based interface Nchf specific |R17| p. 32
5.2.2 Message flows and types p. 36
5.2.2.0 Introduction |R12| p. 36
5.2.2.1 Message flows - successful cases and scenarios p. 36
5.2.2.1.1 Session establishment - mobile origination p. 36
5.2.2.1.2 Session establishment - mobile termination p. 40
5.2.2.1.3 Mid-session procedures p. 41
5.2.2.1.4 Session release - mobile initiated p. 43
5.2.2.1.5 Session-unrelated procedures p. 45
5.2.2.1.6 Session establishment - PSTN initiated p. 46
5.2.2.1.7 Session establishment - IMS initiated p. 47
5.2.2.1.8 Session release - PSTN initiated p. 48
5.2.2.1.9 Session release - IMS initiated p. 49
5.2.2.1.10 Multi-Party call p. 50
5.2.2.1.11 AS related procedures - AS acting as a redirect server p. 52
5.2.2.1.12 AS related procedures - AS acting as a voice mail server p. 54
5.2.2.1.13 AS Related Procedures - AS Acting as a SCC AS |R7| p. 55
5.2.2.1.13.0 Introduction p. 55
5.2.2.1.13.1 UE originating call (PS only or CS only) p. 55
5.2.2.1.13.2 UE originating call (PS and CS combined origination) p. 56
5.2.2.1.13.3 UE terminating call (PS only or CS only) p. 59
5.2.2.1.13.4 UE terminating call (PS and CS combined origination) p. 61
5.2.2.1.13.5 Session transfer from PS to CS p. 64
5.2.2.1.13.6 Session transfer from CS to PS p. 66
5.2.2.1.13.7 Session transfer from PS to (CS+PS) p. 68
5.2.2.1.13.8 Session transfer from (CS+PS) to PS p. 71
5.2.2.1.13.9 IMS emergency session transfer from PS to CS p. 74
5.2.2.1.13.10 Inter-UE transfer triggered by target UE without collaborative session establishment p. 75
5.2.2.1.14 Initiating alternate charged party call |R7| p. 79
5.2.2.1.15 Session establishment via IBCF to S-CSCF - IMS initiated |R8| p. 81
5.2.2.1.16 AS related procedures - AS acting as a MMTel AS. |R8| p. 82
5.2.2.1.17 Session establishment via IBCF to a third party AS providing tariff information in real time (RTTI) |R9| p. 82
5.2.2.1.18 Third party AS providing tariff information in real time (RTTI) during the session |R9| p. 83
5.2.2.1.19 Support of Optimal Media Routing (OMR) |R10| p. 84
5.2.2.1.19.0 Introduction p. 84
5.2.2.1.19.1 IMS-ALG related procedures for OMR - Session establishment and IMS-ALG bypasses its local GW p. 85
5.2.2.1.19.2 IMS-ALG related procedures for OMR - session establishment and alternate IP realm is selected p. 88
5.2.2.1.19.3 IMS-ALG related procedures for OMR - mid-session procedure p. 90
5.2.2.1.19.4 IMS-ALG related procedures for OMR - transcoding p. 91
5.2.2.1.20 AS acting as a B2BUA - single charging session |R11| p. 95
5.2.2.1.21 Session establishment for roaming architecture for voice over IMS with local breakout |R11| p. 97
5.2.2.1.22 Service continuity using ATCF |R11| p. 99
5.2.2.1.22.0 Introduction p. 99
5.2.2.1.22.1 UE originating call (CS only) through ATCF p. 99
5.2.2.1.22.1A UE originating call (PS only) through ATCF p. 101
5.2.2.1.22.2 UE terminating call (CS only) through ATCF p. 101
5.2.2.1.22.2A UE terminating call (PS only) through ATCF p. 103
5.2.2.1.22.3 UE session transfer PS to CS using ATCF p. 104
5.2.2.1.22.4 UE session transfer CS to PS using ATCF p. 105
5.2.2.2 Message flows - error cases and scenarios p. 107
5.2.2.2.0 Introduction |R12| p. 107
5.2.2.2.1 Session related SIP procedures- reception of SIP error messages p. 107
5.2.2.2.2 Session related SIP procedures - SIP session failure p. 107
5.2.2.2.3 Session unrelated SIP procedures p. 108
5.2.2.2.4 CDF connection failure p. 108
5.2.2.2.5 No reply from CDF p. 108
5.2.2.2.6 Duplicate detection p. 108
5.2.2.2.7 CDF detected failure p. 108
5.2.3 CDR generation p. 108
5.2.4 GTP' record transfer flows p. 108
5.2.5 Bi CDR file transfer p. 108
