The present document defines the unstructured supplementary service data (USSD) using IP Multimedia (IM) Core
Network (CN) subsystem (IMS) management object (MO). The MO is compatible with OMA device management
protocol specifications, version 1.2 and upwards, and is defined using the OMA DM device description framework as
described in the enabler release definition OMA-ERELD_DM-V1_2.
The USSD using IMS (USSI) MO consists of relevant configuration parameters that can be managed for the UE's USSI
capabilities specified in TS 24.390