AT&T MERLIN LEGEND Release 4.0 Feature Reference page 171

Feature Reference
Description
The Direct-Line Console (DLC) is an answering position that system operators
use for the following purposes:
Answer outside calls that are not directed to an individual user or group.
Answer inside calls.
Transfer inside and outside calls to an extension or an outside telephone
number.
Make outside calls, for example, for users with extensions restricted from
making outside calls.
Set up conference calls.
Monitor system operation.
Monitor group member or room status when used with Extension Status in
calling group Call Management System (CMS) or Hotel mode.
A DLC operates like other multiline telephones. In all three modes of operation,
outside lines are assigned to individual buttons on the console as personal
lines. The lines assigned on an individual DLC can also be assigned to buttons
on other consoles or other extensions. Incoming calls can ring on any of the line
buttons, and several calls can ring simultaneously. The operator directs calls to
other extensions or to outside telephone numbers through the Transfer button.
When programmed systemwide, DLC Operator Automatic Hold puts an active
call on hold when the DLC operator presses another line button. When
One-Touch Hold is programmed systemwide, pressing an Auto Dial button or
DSS button also puts an active outside call on hold. Both prevent accidental
disconnection of callers and speed call handling. The DLC operator hears an
abbreviated ring as a reminder of a call on hold every time the interval
programmed for the operator hold timer (10–255 seconds) expires.
A multiline telephone, assigned as a DLC through system programming, can
use both operator features and telephone features available for non-operator
multiline telephones to increase call-handling efficiency. The operator features
that can be assigned to buttons on the console are Alarm, Night Service,
Missed Reminder, and Send/Remove Message.
On a system with 29 or fewer lines, Alarm, Night Service, and Send/Remove
Message are assigned by default to analog DLCs on buttons 32–34. On a
system with more than 29 lines, Alarm is replaced with line 30, Night Service is
replaced with line 31, and Send/Remove Message is replaced with line 32. The
first 18 lines on an MLX DLC are always factory-set as personal lines.
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Direct-Line Console