DS/ETS 300063
Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Functional capabilities and information flows
active, Most Current
| Organization: | DS |
| Publication Date: | 7 July 1993 |
| Status: | active |
| ICS Code (Integrated Services Digital Network (ISDN)): | 33.080 |
scope:
The standard defines the stage two of the Direct Dialling In (DDI) 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 stage 1 service description. The stage two description also identifies user operations not directly associated with a call.
Document History
DS/ETS 300063
July 7, 1993
Integrated Services Digital Network (ISDN) - Direct Dialling In (DDI) supplementary service - Functional capabilities and information flows
The standard defines the stage two of the Direct Dialling In (DDI) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public...
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