CHARGING DECISIONS IN AN IP MULTIMEDIA SUBSYSTEM

摘要

Apparatus for use within an IP Multimedia Subsystem network and comprising a receiver for receiving for a given user a charging type defining whether the user is a pre paid user and or a post paid user. The apparatus further comprises a Charging Triggering Function CTF entity for sending accounting information messages relating to said user to an Online Charging Function over an Ro interface or to a Charging Data Function over an Rf interface and for including with the accounting information messages said charging type.