TR NWT 000690 : ISSUE 1

Describes the interface between a Stored Program Control System and InterLATA and International Carriers. IC/INC Interconnection, FSD 20-24-0000, was previously integrated in TR TSY-000530 of the LSSGR. TR TSY-000530 has been disassembled into individual TRs and discontinued. Concurrent with the first issue of this TR, revisions were made to reflect current views as expressed by Committee T1S1 and other standards bodies, to clarify certain requirements and to correct omissions in the requirements. This document is a module of LATA Switching Systems Generic Requirements (LSSGR), FR NWT_000064, 1991 Edition