Instruction manual

Line Assignment (#301)
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Description
This System Programming procedure assigns the outside lines that are available
at an extension. The default order of line assignment to the buttons on a system
phone is from left to right, starting with the bottom row of line buttons. To put the
lines in a different order, first use this procedure to remove all assigned lines;
then assign lines in the desired order.
Related Features
Number of Lines (#104) can be used only during initial system setup to
assign a subset of lines to all extensions. You can then use Line
Assignment to assign additional lines to specific extensions. For example, if
5 lines were assigned to all extensions and there are 8 lines in the system,
use this procedure to assign lines 6, 7, and 8 to other specific extensions.
After you finish Line Assignments, use
Line Ringing to identify when each
outside line assigned to an extension should start ringing.
Use
Automatic Line Selection to determine the order in which the system
selects a line for an extension, when the user at that extension lifts the
handset to make a call.
Hotline (#603) and Doorphone (#604/#605) extensions should not have
outside lines assigned to them, to prevent calls from being made or
received on them.
If you want to prevent a user at an extension from accessing a line, make
sure you restrict the line using
Line Access Restriction (#302) even if the
line is not assigned to the extension, so it cannot be accessed by dialing the
Direct Line Pickup code.
Considerations
A line must be assigned only to a button with lights. If a line is assigned to a
button without lights, you will not be able to access that line, nor will you be
able to program anything else on the button.
On system phones, assign, only as many lines as that extension can use.
For example, MLS-12D and MLS-12 phones can have up to 10 outside lines;
if you assign 12 lines, the last two lines will be assigned to buttons without
lights, and will not be accessible. In addition, you will not be able to assign
features to those buttons until the line assignments are removed. (The
MLS-6 phone can have up to four outside lines.)
You can assign multiple lines to a standard phone (up to 24 lines), but a
single-line phone can only handle one call at a time. To make a call, a user
lifts the handset and dials 9 at intercom dial tone; the system selects the first
available line based on the Automatic Line Selection programmed for the
extension. (Alternatively, the user can use Direct Line Pickup to access a
specific line.)
Users must have access to an outside line in order to dial Emergency Phone
List numbers.
5-84 Line Assignment (#301)