This TS specifies the procedures used at the radio interface (reference point Um as defined in TS 04.02
) for normal operation, registration, erasure, activation, deactivation, invocation and interrogation of charging supplementary services. The provision and withdrawal of supplementary services is an administrative matter between the mobile subscriber and the service provider and causes no signalling on the radio interface.
The following supplementary services belong to the charging supplementary services and are described in this TS:
Advice of Charge (Information) (AoCI)
Advice of Charge (Charging) (AoCC)