DS/ETS 300186
Integrated Services Digital Network (ISDN) - Three Party (3PTY) supplementary service - Service description
| Organization: | DS |
| Publication Date: | 27 October 1993 |
| Status: | active |
| ICS Code (Integrated Services Digital Network (ISDN)): | 33.080 |
scope:
The standard defines the stage one of the Three Party (3PTY) supplementary service for the pan-European Integrated Services Digital Network (ISDN) as provided by European public Telecommunication operators. Stage one is an overall service description from the user's point of view (see CCITT Recommendation I.130 A2E), but does not deal with the details of the human interface itself. This standard defines the interworking requirements of private
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