Stage 2 specification for Closed User Group supplementary service describing service logic, call handling procedures, and network node responsibilities.
TS 23.085 (Rel-19) — Closed User Group (CUG) Supplementary Service Stage 2. Stage 2 specification for Closed User Group supplementary service describing service logic, call handling procedures, and network node responsibilities. Primary function: Procedures. Category: Services (Supplementary Services). Technology generation: 2G. Network layer: CoreNetwork.
Complexity level: Intermediate. Implementation difficulty: Medium.
3GPP TS 23.085 (Rel-19) is the 3GPP specification for Closed User Group (CUG) Supplementary Service Stage 2. Stage 2 specification for Closed User Group supplementary service describing service logic, call handling procedures, and network node responsibilities.
TS 23.085 is part of 3GPP Rel-19. The latest known version on 3GPP Explorer is j00.
Procedures.
TS 23.085 belongs to the Services (Supplementary Services) category of 3GPP specifications. It applies to 2G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →