Mitel 1000 Owner's Manual page 164

Select "System Programming".
Enter the System Programming Password and select "Extensions".
Press the Scroll Down key ( ) until "Barge-In" is displayed.
Select "Barge-In Protection".
Select the extensions that are to be protected from barge-in. The
extensions you select will have a "♦" displayed beside them.
The default is that no extensions are protected.
To Program "Barge-In" with or without tone
From the Programming extension, press the PROGRAM key.
Press the Scroll Down key ( ) until "System Programming" is
displayed.
Select "System Programming".
Enter the System Programming Password and select "Extensions".
Press the Scroll Down key ( ) until "Barge-In" is displayed.
Select "Barge-In Tone".
Select Barge-In tone on or off. The selection is indicated with a "♦".
In default tone is provided when barge in is activated. This is a
single burst, which lasts for about a half a second.
Incoming Call Handling
This option is used to allocate extensions to answer incoming calls
on the lines.
Associating lines with extensions for Incoming Ringing
By associating lines with extensions you can have lines ringing
different extensions in Day and Night modes.
From the Programming Extension, press the PROGRAM Key
Press the Scroll Down Key ( ) until 'System programming' is
displayed.
Select 'System programming'.
Enter the System Programming Password and select 'Lines'
Select 'Incoming Ringing'.
Select the line or IP Trunk.
Select 'Day' or Night'.
The extension menu is presented. Select the extensions that are
to ring for calls on the line. A solid diamond, ♦, indicates these
extensions.
Distinctive Ringing
This feature allows you to have calls ringing with a different ringing
signal routed to different extensions than calls ringing with the
normal ringing signal. The facility of having a second number on a
CO Line, which rings with a different signal, must be provided by the
Network Operator. The recommended use for this facility is to have
a separate number for Fax calls and route these calls to an
extension equipped with a fax machine.
Press the Scroll Down Key ( ) until 'System programming' is
displayed.
Select 'System programming'.
Enter the System Programming Password and select 'Lines'
Select 'Distinctive Ringing'.
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