The present document identifies the charging implications of the IMS architecture, which is described in TS 23.002
and TS 23.228
It is expected that the content of this TR will act as a basis for:
change requests against the architecture specifications TS 23.228, TS 23.002 of SA2, clarifying the architecture implications on charging;
change requests against the Charging Principles specification TS 32.200  of SA5, which contains the charging architecture and mechanisms;
detailed specification of Charging Data Description TS 32.225  in SA5.