Mitel 1000 Owner's Manual page 104

Forward on No Answer
The 'Forward On No Answer' allows you to Forward all your calls to
ring at another extension if there is no answer at your extension
after four rings. Alternatively, you can Forward all external calls to
an external number if your extension has not answered after four
rings. In this case, internal calls will not be Forwarded but will
continue to ring your extension.
This function can be set for all extensions
Left mouse click on the data entry field for each extension. Enter up
to 24 digits in this field (include the trunk access digit of Forwarding
to outside lines).
Broken tone will be heard at your extension until all call
forwarding is cancelled.
You cannot Forward to an extension that has the 'Do Not Disturb'
Note
feature set.
Voicemail Password
This is the password used to access individual extension voicemail
boxes. By default, each extension is allocated the same Voicemail
Password, (1111). You can enter your own password, which can
be up to eight digits long, as follows:
The password can be up to 8 digits in length.
Tone Protection
When on a call, the call waiting tone of conference tone is audible to
the user. Where these tones are not required, the feature should be
disabled.
Call Recording
This option allows the extension to record calls. When set the option
to record the call appears on the Featurephone display when they
are on a call. The extension must be allocated a voice mailbox for
the feature to operate.
Able to Barge-In
This allows the extension to Barge-In on other extensions on a call.
Protect from Barge-In
Extension can be protected from being barged-in on by other
extensions.
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