GR 283 CORE : ISSUE 3
Current
The latest, up-to-date edition.
Defines generic requirements for an SMDI data link provided by any SPCS to support MSR capabilities. These requirements support service configurations in which the subscriber and the MSR System are served by the same SPCS. Simplified Message Desk Interface (SMDI) is an analog interface between the local Stored Program Controlled Switching System (SPCS) and an MSR System.
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