Compatibility Information for Feature Group A Switched Access Service
Document Number TR-NPL-000377
Issue Number 01
Issue Date May 1988
Replaces TA-NPL-000377 Issue01
ABSTRACT: Switched access services provide switched connections between customers of exchange telephone service and subscribers to the access
service. Feature Group A (FG A) switched access service is one of these exchange carrier services. FG A switched access service
provides line-side connection to end office switching systems of channels to the FG A
This Technical Reference (TR) describes the view of Telcordia on FG A switched access service, specifies the protocols for making
calls, provides references to quantitative signal characteristics, and summarizes the interactions that occur at the Point Of
ermination (POT) to achieve compatible operation.
This document replaces TA-NPL-000377.