| CN | CN1 | CN2 | CN3 | CN4 | CN5 |
 | CT | CT1 | CT3 | CT4 | CT5 | CT6 |
 | GERAN | GERAN1 | GERAN2 | GERAN3 | GERAN4 | GERAN5 |
| RAN | RAN1 | RAN2 | RAN3 | RAN4 | RAN5 |
| SA | SA1 | SA2 | SA3 | SA4 | SA5 |
| T | T1 | T2 | T3 |

TSG CT WG3 (Interworking with External Networks)

Overview:

The TSG Core Network and Terminals WG3 (TSG CT WG3) specifies the bearer capabilities for circuit and packet switched data services, and the necessary interworking functions towards both, the user equipment in the UMTS PLMN and the terminal equipment in the external network. In addition CT is responsible of end to end QoS for the UMTS core network in Release 5 and beyond.
Useful links and information
 
**Elections for officials of TSG CT WG 3**

About TSG CT3

 List of elected officials and contact points

Meetings

 Next meeting information & previous meeting reports and documents
Terms of Reference Liaisons Statements  
Full CT3 meeting calendar

Documents

 Documents area

General info

 3GPP IETF Dependencies and Priorities Table
Specifications Email exploder lists
Work items

Last update:
2007-08-21: Election results, plus editorial
2007-06-28: Election information added
2005-11-22: Hyperlink to Work Items corrected, link to WGs and ad hoc groups removed, election info removed
2005-06-08: Terms of reference
2005-05-12: Overview added
2005-03-21: More links added, awaiting overviews
2005-02-25: ToR and some other links added, still incomplete
2005-02-25: initial appearance, still incomplete