The present document specifies the principles of interworking between the 3GPP IM CN subsystem and BICC/ISUP based legacy CS networks, in order to support IM basic voice, data and multimedia calls....
The present document defines the structure of the physical layer (layer 1) of the BSS-MSC interface for supporting traffic channels. Use of the physical layer for supporting Signalling System No.7...
The present document specifies network requirements: - to support connection and interoperation of business communication capabilities (either hosted in NGCN or NGN) to the NGN; and - to support...
The present document specifies the discovery and network selection procedures for access to 3GPP Evolved Packet Core (EPC) via non-3GPP access networks and includes Authentication and Access...
The present document is part of a series of Technical Specifications (TSs) that specify charging functionality and charging management in 3GPP networks (GSM/UMTS/EPS). The 3GPP core network charging...
The present document specifies the handover interfaces for Lawful Interception (LI) of Packet-Data Services, Circuit Switched Services, Multimedia Services within the UMTS network and Evolved Packet...
This document defines the stage-2 service description for the IP Multimedia Core Network Subsystem (IMS), which includes the elements necessary to support IP Multimedia (IM) services. ITU-T...