AT&T MERLIN LEGEND Release 3.1 Installation Manual page 250

PassageWay Direct
Connect Solution
AT&T Buzz. An application that enables users to manage incoming
calls (answer, hold, or drop) and view the calling party number (Caller
ID) for each incoming call at their telephones.
Considerations
MERLIN LEGEND Communications System Release 3.0 or later is required for
caller identification display capabilities.
Local telephone power is required if the MLX telephone is not wired with
4-pair extension wiring or if you use a MLX-20L or MLX-28D with a Direct
Station Selector (DSS).
The MLX telephone must have Idle Line Preference activated.
The Automatic Line Selection on the MLX telephone should be programmed
so that Idle Line Preference is on an ICOM button (in Key and Behind Switch
modes) or an SA button (Hybrid/PBX mode).
Hardware Requirements
The following hardware is required:
An approved DOS PC with the following
An 80286 or higher processor (80386 or higher recommended)
An available serial port
A minimum of 2 MB of RAM
A 3.5-inch, 1.44-MB, high-density drive or a 5.25-inch, 1.2-MB,
high-density drive
A hard disk drive with 2 MB of space available
A Windows-compatible color video monitor
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Installing Applications