IMS Centralized Services (ICS) enable the delivery of IM CN subsystem based multimedia telephony and supplementary services as defined in 3GPP TS 24.173 [4] to users regardless of the attached access...
The present document specifies the procedures used at the radio interface core network protocols within the 3rd generation mobile telecommunications system and the digital cellular telecommunications...
The present document describes the technical characteristics and methods of test for Mobile Stations (MS), for the Pan European digital cellular communications system and Personal Communication...
The present document provides the Protocol Implementation Conformance Statement (PICS) proforma for Global System for Mobile Stations (MSs), operating in the 450 MHz, 480 MHz, 700 MHz, 750 MHz, 850...
The purpose of the present document is to define a recommended set of supplementary services to the Teleservices and Bearer services which will be supported by a PLMN in connection with other...
This document defines the Stage 2 architecture and specification for the CS Fallback and for SMS over SGs for EPS or CS Fallback and SMS over S102. The scope of this document includes the...
The present document gives a general introduction to the document structure and organisation the GMR-1 family of GEO-Mobile Radio interface (GMR) specifications. The present document is part of the...
The Unstructured Supplementary Service Data (USSD) mechanism enables a Mobile Station (MS) and Public Land Mobile Network (PLMN) operator defined application servers to communicate. Figure 1 shows...
