5.1.12 IMS support of announcements

32.2603GPPCharging managementIP Multimedia Subsystem (IMS) chargingRelease 17Telecommunication managementTS

During a charging session, the CHF/OCS may utilize the Announcement service specified in TS 32.281 [41] to request the IMS-GWF or AS to render video or audio announcements to a subscriber involved in an IMS session.