ANSI APPROVED
This document defines the intersystem Operations, Administration, and Maintenance (OA&M) information flows and procedures required for intersystem trunk maintenance.
The detailed encoding of the signaling messages and parameters which are derived from this document are specified in Parts 540 and 550.
TIA ANSI/TIA-41.400-E History
TIA ANSI/TIA-41.400-E
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More Standards PDF
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UL 61215-2
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