IP Multimedia (IM) Core Network (CN) subsystem Service Continuity (SC) provides the capability of continuing ongoing communication sessions with multiple media across different access networks. The...
The IM CN subsystem interworks with the external IP networks through the Mb reference point. This document details the interworking between the IM CN subsystem and external IP networks for IM service...
The present document provides the stage 3 specification of the Gx, Gxx and Sd reference points for the present release. The present document also provides the Diameter variant of St reference point...
The present document describes end-to-end use cases and signalling flows based on the roaming architecture for voice over IMS with local breakout. It summarizes the contents of existing 3GPP...
The present document is part of a series of Technical Specifications (TSs) that specify charging functionality and charging management in 3GPP networks. The 3GPP core network charging architecture...
The Technical Report provides a study on the media handling aspects of Multi-stream Multiparty Conferencing for MTSI. The study focuses on enabling - support to receive multi-stream audio/video at...
The present document defines a call control protocol for use in the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP), and the associated Session...
The objective of this document is to address the Inter-IMS Network to Network Interface (II-NNI) consisting of Ici and Izi reference points between IMS networks in order to support end-to-end service...