System Overview - AT&T MERLIN LEGEND System Reference Manual

System Overview

The MERLIN LEGEND™ Communications System is an advanced digital
switching system that integrates voice and data communications features. Voice
features combine traditional telephone features, such as Transfer and Hold, with
advanced features, such as Group Coverage and Park. Data features enable
the transmission of voice and data over the same system wiring.
This chapter describes the following aspects of the system.
Components-the equipment that makes up the system
Capabilities-the voice, data, and call-handling capabilities of the system
Programming-the methods and equipment used in system programming
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