174 System features
Disconnect Supervision
When Disconnect Supervision is assigned to a line, the
system monitors it to detect if an external caller hangs up. This
allows the system to release the line for other uses. Your Installer
assigns disconnect supervision to lines in Configuration
programming. Disconnect supervision can be turned on and off
only on Loop start trunks. E&M and DID trunks are always
disconnect supervised.
Line appearance
Any of the lines in your system may appear at any of your
telephones. Your Installer assigns lines to telephones in
Configuration programming.
Usually, only the lines that are appropriate for a particular person
appear at that person’s telephone. When a line is assigned to a
telephone it is automatically given a line button on that
telephone, if a button is available. The M7100 Telephone has no
line buttons for its lines.
Normally, you cannot answer a call that is ringing on a line that
does not appear on your telephone. To pick up such
a
call, use
Call Pickup, Call Park, or Transfer.
Hung lines
A line that has been redirected using Line Redirection may
remain busy after a call is over. If this happens, the outgoing line
for the redirection will also remain busy. These are hung lines
and you must clear them.
A line indicator that has been solid for long time is the only real
indication that a line is hung. However, the solid line indicator
may also indicate a genuine call in progress. Make reasonably
sure that the line is indeed hung before clearing it or you may cut
off a real conversation.
Modular
System Coordinator Guide
Содержание DR5
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