This TS specifies the Offline and Online Charging for MultiMedia Telephony (MMTel) service and
supplementary services, based on the functional description of MMTel in TS 22.173
Charging of these supplementary services is performed at the respective MMTel AS. The MMTel charging aspects are
an extension of the basic IMS charging capabilities as specified in the TS 32.260
This charging description includes the offline and online charging architecture and scenarios specific to the MMTel, as well as the mapping of the common 3GPP charging architecture specified in TS 32.240
onto the MMTel. It further specifies the structure and content of the CDRs for offline charging, and the charging events for online charging.
full Table of Contents for TS 32.275 Word version: 16.1.0