DS/ETS 300051
Integrated Services Digital Network (ISDN) - Multiple Subscriber Number (MSN) supplementary service - Functional capabilities and information flows
| 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 Multiple Subscriber Number (MSN) 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 information flows needed to support stage 1 service description. The stage two description also identifies user operations not directly associated with a call (see CCITT Recommendation I.130 [1].
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