Nortel 2210 User Manual page 108

Terms you should know
Interrupted dial tone
More...
Paging tone
Primary Directory Number
Private Line
Feature Keys
Secondary Directory Number
Shared Directory Number
Soft keys (self-labeled)
108
A broken or pulsed dial tone, heard when you access
some of the features on your handset.
An option enabling access to the multiple layers of the
soft key features. These keys are the four keys located
directly below the display area.
A special tone heard when using the Radio Paging
feature. You hear two beeps followed by dial tone.
The main extension number on your handset. It is
referred to by the Primary Directory Number (PDN)
key.
A feature that can be assigned to your handset. With this
line, you can reach an outside number without dialing a
code to access an outside line. Internal extensions
cannot be dialed from a private line.
The keys accessed using the Line key.
A second incoming/outgoing line for your handset.
A DN (extension) that is shared by two or more persons.
A set of keys programmed by your system administrator.
These four keys located directly below the display area
have four programmable layers. The layers are accessed
through the More... key.