AT&T MERLIN LEGEND Release 4.0 Feature Reference page 389

Feature Reference
In Key mode, the factory setting for personal lines assigns the first 1–8 lines
connected to the system as personal lines on all multiline telephones, including
Multi-Function Modules (MFMs) connected to MLX telephones.
In Behind Switch mode, the factory setting assigns personal lines to DLC
positions rather than to multiline telephones.
Telephone Differences
Direct-Line Consoles
The factory setting for analog DLCs assigns the first 1–32 lines connected to the
system as personal lines in all modes of operation. For MLX DLCs, the first 1–18
lines connected to the system are automatically assigned as personal lines.
Queued Call Consoles
Personal lines cannot be assigned to a QCC or to a pool.
Other Multiline Telephones
A personal line is selected by pressing the associated personal line button.
Dial-out codes are not required for making outside calls.
Single-Line Telephones
A single-line telephone user can receive calls on a personal line. To allow a
single-line telephone user to select a personal line to make a call, Ringing/Idle
Line Preference must be turned on and ALS must be set to select an SA or
ICOM button. With this arrangement, in Key and Behind Switch modes, the
single-line telephone user can select the personal line to make an outside call
by dialing the Idle Line Access code (usually
tone.
Feature Interactions
Alarm
Allowed Lists
Auto Dial
Callback
Calling Restrictions
A trunk jack used for a maintenance alarm cannot be assigned as a
personal line.
A user with an outward-restricted or toll-restricted extension cannot dial
a toll or outside number on a personal line button unless the number is
on an Allowed List assigned to the extension.
An outside Auto Dial button can be used on a personal line.
The Callback feature cannot be used to request a busy personal line.
See "Allowed Lists/Disallowed Lists."
) while listening to inside dial

Personal Lines
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