Nortel Meridian M3901 User Manual page 18

Terms you should know
Off-hook — Off-hook is a term used to indicate that the telephone is active and
ready to make a call. A telephone becomes off hook when you pick up the
handset or press the Line (DN) Key.
Paging tone—Paging tone is a special tone heard when using the Radio Paging
feature. You hear two beeps followed by dial tone.
Personal Directory —The Personal Directory stores entries by name and phone
number.
Primary Directory Number— The Primary Directory Number is the main
extension number on your telephone. It is referred to by the Primary Directory
Number (PDN) Key.
Private Line — Private Line can be assigned to your telephone. 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.
Redial list— The Redial list is one of the M3900 series directory. It lists outgoing
call numbers. These number can be accessed through your directory menu.
Ringback/ring tone— The Ringback/ring tone is the sound you hear when a call
you have made is ringing at its destination.
Shared Directory Numbers — A shared directory number is a DN (extension)
that is shared by two or more persons.
Special dial tone— The special dial tone refers to three consecutive tones followed
by dial tone that you hear when accessing some of your telephone features.
Switchhook — The switchhook is the button which the handset presses down,
disconnecting your call when you replace the handset. The handset when lifted
releases the switchhook and you either answer an incoming call or you receive
dial tone so you can make a call.
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