2009/06 17 p.
The following aspects of IMS Centralized Services (ICS), though studied in Release 8 (and to some extent documented in TR 23.892
), required further study and are herein documented:
ICS supplementary service data management (e.g. Supplementary Services data synchronization).
Management of Telephony Application Server (TAS) user configuration for an ICS UE when PS access cannot be used.
full Table of Contents for TR 23.883 Word version: 9.0.0