The present document describes the stage 2 description (architectural solution and functionalities) for the Presence Service, which includes the elements necessary to realise the stage 1 requirements...
This document defines the stage 2 service description for emergency services in the IP Multimedia Core Network Subsystem (IMS), including the elements necessary to support IP Multimedia (IM)...
The present document is part of a series of Technical Specifications (TSs) specifying charging functionality and charging management in Packet Switched networks (GSM/UMTS, EPS). The 3GPP core network...
The present document is part of a series of Technical Specifications (TSs) that specify charging functionality and charging management in GSM/UMTS networks. The GSM/UMTS core network charging...
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...