Subscriber Authorization System - (SAS) - A Subscriber Authorization System takes the Subscriber Management System data and translates it into data that the operational software can understand.

Configuration Management {System}

Content Management System (CMS)

Element Management System (EMS)

Home Subscriber Server

Initialization

Learning Management System (LMS)

Network Management System – (NMS)

On-Demand Management System

Optical Management System (OMS)

Subscriber's Usable Hours

XML-based Content Management System (CMS)