The 5G Standard

3GPP Work Items per TSG/WG

Active 3GPP Work Items for group: N4

Note that this page shows only those active (i.e. not yet completed) WIs where N4 is the sole responsible group.
There may be other active WIs for which this group holds joint responsibility, particularly hierachically higher WIs which comprise WIs from several groups: such WIs are not shown on this page.

Click on WI title for details

Building Block: Call Forwarding enhancements CF_enhancements R99
Work task: Core_Network_Security Core_Network_Security R99
Building Block: Follow_Me service Follow_Me R99
Building Block: Call_Forwarding_Enhancements Call_Forwarding_Enhancements R99
Building Block: Customised Application for Mobile network Enhanced Logic Phase 3 CAMEL3 R99
Building Block: Location Services LCS R99
Feature or Study Item: Unstructured Supplementary Service Data (USSD) USSD R99
Work task: General Packet Radio Service GPRS R99
Building Block: LCS support in the PS domain LCS4-PS Rel-4
Building Block: IP Transport of CN protocols (e.g. CAP, MAP) SS7IP Rel-4
Feature or Study Item: Enable bearer independent CS architecture CSSPLIT Rel-4
Feature or Study Item: Transcoder-Free Operation TrFO Rel-4
Building Block: Evolution of GSM PS algorithms (e.g. GEA 2 deployment) SEC1-PSALGO1 Rel-4
Feature or Study Item: Presence Capability PRESNC Rel-6
Feature or Study Item: Enhancement of dialled service for CAMEL EDCAMEL Rel-6
Feature or Study Item: CAMEL prepay interworking with SCUDIF SCCAMEL Rel-6
Feature or Study Item: Subscriber certificates SEC1-SC Rel-6
Building Block: Rel-6 Trace Management OAM-Trace Rel-6
Building Block: Event Based and Periodic LCS LCS1-EBP Rel-5
Building Block: Modification of core network protocols for GERAN Inter BSC NACC over Gb Interface GERNACC-Cnmod Rel-5
Feature or Study Item: Feasibility study on SS7 signalling transportation in the core network with SCCP-User Adaptation (SUA) FS_SS7IP Rel-5
Feature or Study Item: Intra Domain Connection of RAN Nodes to Multiple CN Nodes IUFLEX Rel-5
Feature or Study Item: Rel-5 Location Services enhancements LCS1 Rel-5
Feature or Study Item: Gateway Location Register (GLR) - Mobile Application Part (MAP) specification GLR R99
Feature or Study Item: GSM/UMTS interworking 2G3Ginterworking R99
Feature or Study Item: Handover Handover R99
Feature or Study Item: Multiple Subscriber Profile phase 2 MSP2 R99
Building Block: MultiCall Multicall R99
Feature or Study Item: Prepaging Prepaging R99
Building Block: End-to-end UMTS Quality of Service management QoS R99
Building Block: QoS_enhancements QoS_enhancements R99
Work task: Immediate Service Termination / SECurity Immediate Service Termination IST,SECIST R99
Building Block: Super Charger mechanism for signalling traffic associated with mobility Super_Charger R99
Work task: GPRS Tunnelling Protocol enhancement GTP_enhancement R99
Building Block: Security for UMTS and GSM Features Security R99
Feature or Study Item: Advanced Speech Call Items enhancements ASCI R99
Building Block: General Packet Radio Service enahancements GPRSenhancements R99
Building Block: GSM mobile number portability euro MNP / North American MNP MNP R99
Building Block: Out-of-Band Transcoder Control solution TrFO-OoBTC Rel-4
Feature or Study Item: Rel-4 Evolutions of the transport in the CN CNTRSP Rel-4
Feature or Study Item: Rel-4 Location Services enhancements LCS4 Rel-4
Feature or Study Item: Rel-4 Security enhancements SEC4 Rel-4
Feature or Study Item: Generic User Profile Rel-6 GUP Rel-6
Feature or Study Item: WLAN-UMTS Interworking Rel-6 WLAN Rel-6
Feature or Study Item: Location Services enhancements 2 LCS2 Rel-6
Building Block: Stage 3 - CN4 aspects WLAN-IW Rel-6
Building Block: Enhancements to the Cx and Sh interfaces IMS2-CCR Rel-6
Building Block: Mn interface (IM-MGW to MGCF) enhancements (CN4 Part) IMS-CCR-Mn Rel-6

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