DS/ETS 300137
Integrated Services Digital Network (ISDN) - Closed User Group (CUG) supplementary service - Functional capabilities and information flows
active, Most Current
| Organization: | DS |
| Publication Date: | 23 April 1993 |
| Status: | active |
| ICS Code (Integrated Services Digital Network (ISDN)): | 33.080 |
scope:
The standard defines the stage two of the Closed User Group (CUG) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public telecommunications operators. Stage two identifies the functional capabilities and the information flows needed to support the service description. The Stage two description also identifies user operations not directly associated with a call.
Document History
DS/ETS 300137
April 23, 1993
Integrated Services Digital Network (ISDN) - Closed User Group (CUG) supplementary service - Functional capabilities and information flows
The standard defines the stage two of the Closed User Group (CUG) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public...
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