D.2 Definitions, symbols and abbreviations
32.2403GPPCharging architecture and principlesCharging managementRelease 18Telecommunication managementTS
D.2.1 Definitions
(Void)
D.2.2 Symbols
For the purposes of this annex, the following symbols apply:
Xch Offline charging reference point between a UE and the service NE for charging purposes
D.2.3 Abbreviations
For the purposes of this annex, the following abbreviations apply:
CTF (AMC) Charging Trigger Function (Accounting Metrics Collection)
CTF (ADF) Charging Trigger Function (Accounting Data Forwarding)