This TR 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.