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...
The present document aims to investigate and summarise the existing service requirements on privacy for 3GPP services. In order to ensure that these services and future 3GPP services will have a...
This document studies the feasibility of interworking between 3GPP systems and Wireless Local Area Networks (WLANs). This document identifies and describes: - Scenarios for 3GPP - WLAN Interworking -...
The objective of this Technical Report is to: a) Describe use cases that illustrate the service requirements for IMS messaging. b) Derive the broad 3GPP requirements for IMS messaging services. c)...
The present document provides the protocol details for the presence service within the IP Multimedia (IM) Core Network (CN) subsystem based on the Session Initiation Protocol (SIP) and SIP Events as...