The present document describes the Abstract Test Suite (ATS) to test interoperability for interconnection between IMS and EPC subsystems, based on TS 123 401 [4]. The ATS has been specified on the...
This document specifies the architectural requirements for delivery of consistent services to the user regardless of the attached access type (e.g. CS domain access, or IP-CAN). This is achieved by...
The present document defines the stage-2 service description for the General Packet Radio Service (GPRS) which is a packet bearer service and a main part of the packet domain. ITU-T Recommendation...
The present document specifies the interworking between SIP-I based circuit-switched core network, as specified in TS 23.231 [3] and TS 29.231 [4], with out-of-band transcoder control related...
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...