Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Closed User Group (CUG) supplementary service; Stage 2 (V15.0.0; 3GPP TS 23.085 version 15.0.0 Release 15)
The present document gives the stage 2 description of the closed user group supplementary service. The community of interest supplementary service defined is: - closed user group (CUG) (see clause 1).