ABSTRACT: The Operator Services Systems Generic Requirements (OSSGR) is a comprehensive compilation of requirements and objectives that, in the view of Telcordia, meet typical Local Exchange Carrier (LEC) operator services call handling needs.

This Technical Reference (TR) contains the view of Telcordia on the requirements and objectives necessary for helping to ensure system availability. The system maintenance requirements provided in this document include trouble detection, service recovery, trouble notification, trouble verification, trouble isolation, trouble repair, human-machine interfaces for monitoring the system status and initiating maintenance functions, and operator position maintenance.