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CT1 - User Equipment to Core Network protocols

<<NEW 2021-11-04>> A Technical Vote is scheduled during CT1#133-e meeting.

Within the 3GPP Technical Specification Group Core Network and Terminals (TSG CT), the main objectives of the 3GPP TSG CT WG1 (CT1) are the production, the enhancement and the maintenance of specifications for UE to Core Network interfaces and interfaces within the Core Network for:

  • a 5G Core Network (5GCN)
  • an Evolved Packet Core (EPC) 
  • a 2nd and 3rd generation Core Network (2G CN / 3G CN) for Circuit Switched (CS) and Packet Switched (PS/GPRS) 
  • an IP Multimedia (IM) Core Network (CN) Subsystem (IMS) 
  • a Mission Critical System (MCS) 
  • a Cell Broadcast System (CBS) and a Public Warning System (PWS)

Terms of Reference

The latest terms of reference were approved at CT#90e in document CP-203231.

Useful links and information

About CT WG1 List of elected officials
Documents Meeting documents see also CN1
  Work items
Meetings Next meeting information & previous meeting reports and documents see also CN1
  Liaisons Statements
  Full CT WG1 meeting calendar
General info [3GPP IETF Dependencies - from TSG#52 Jun 2011 onwards the 3GPP-IETF Dependencies are included in the 3GPP Work Plan
  Email exploder lists
  List of URNs maintained by CT WG1
  Link to PCPS specifications from OMA
CT Working groups 
TSG CT Plenary  
TSG CT WG1 User Equipment to Core Network protocols
[No WG2] See Old Terminals Group 2
TSG CT WG3 Interworking with External Networks & Policy and Charging Control
TSG CT WG4 Core Network Protocols
TSG CT WG5 OSA (Now transferred to OMA)
TSG CT WG6 Smart Card Application Aspects


CT1 delegate survival guide

or ... all you wanted to know about participating in CT1 meetings but were afraid to ask

Connecting to the local meeting server MCC installs a wireless LAN for the duration of the meeting. Connecting to this network provides the delegates with Internet and access to a local server used for exchanging files during the meeting. Wireless LAN SSID: 3GPP key: 3GPPM You can find more information on connecting to the WLAN here. Local Web server URL: . The web page (...)


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