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192 / General System features
Modular ICS 4.0 System Coordinator Guide P0881591 Issue 01
Disconnect supervision
When Disconnect Supervision is assigned to a line, the Norstar
system monitors it to detect if an external caller hangs up. This
allows the system to release the line for other uses. Your
installer or customer service representative assigns disconnect
supervision.
Hunt Groups
Your Norstar system now allows you to establish Hunt Groups
in your system. Hunt Groups are a group of Norstar sets that
can be called by a single directory number. The Hunt Groups
feature ensures calls are easily routed to the appropriate
people. For more information on Hunt Groups see
“Programming Hunt Groups” on page 135.
Internal numbers
Each telephone in the Norstar system has its own internal
number. The length of internal numbers in your system can be
from two to seven digits on a non-expanded system, and three
to seven digits on an expanded system. All numbers in your
system are the same length. Your installer or customer service
representative sets the length of internal numbers (called the
DN length). The default DN length is three.
To find out your internal number, use the Button Inquiry
feature ( ) on an intercom button. On the
M7100 telephone, Button Inquiry shows your internal number
followed by the function assigned to your single-memory
button.
Line assignment
Any of the lines in your system can be assigned to any of your
telephones. Your installer or customer service representative
assigns lines to telephones in Configuration programming.
p0881591.book Page 192 Wednesday, August 19, 1998 6:43 PM