3 Definitions of terms, symbols and abbreviations

32.2563GPP5G connection and mobility domain chargingCharging managementRelease 16Stage 2TS

3.1 Terms

For the purposes of the present document, the terms given in 3GPP TR 21.905 [100] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [100].

3.2 Symbols

For the purposes of the present document, the following symbols apply:

Bam Reference point for the CDR file transfer from the 5G connection and mobility CGF to the BD.

Ga Reference point for CDR transfer between a CDF and the CGF.

Nchf Service based interface exhibited by CHF.

N41 Reference point between AMF and the H-CHF.

N42 Reference point between AMF and the V-CHF.

3.3 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [100] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [100].

5GC 5G Core Network

5GS 5G System

5G-AN 5G Access Network

AMF Access and Mobility Management Function

BD Billing Domain

CCS Converged Charging System

CDF Charging Data Function

CGF Charging Gateway Function

CHF Charging Function

CTF Charging Trigger Function

DNN Data Network Name

ECUR Event Charging with Unit Reservation

GPSI Generic Public Subscription Identifier

H-CHF A CHF in HPLMN

IEC Immediate Event Charging

GUAMI Globally Unique AMF Identifier

MICO Mobile Initiated Connection Only

N3IWF Non-3GPP InterWorking Function

NF Network Function

NRF Network Repository Function

PEC Post Event Charging

PEI Permanent Equipment Identifier

SUPI Subscription Permanent Identifier

UDM Unified Data Management

UDR Unified Data Repository

V-CHF A CHF in VPLMN