Siemens 300Series User Manual page 160

DND (Do Not Disturb). This feature allows a telephone user to block
incoming calls to his or her telephone by preventing the telephone from
ringing.
E
extension. A unique number assigned to a line appearing on one or more
telephones that is connected to a communications server. Depending upon how
the communications server is configured, an extension number can be from
one to six digits long.
F
faceplate. A paper template that fits around the keys of a telephone in order to
label the keys with the features or lines assigned to them.
faceplate lens. A clear plastic panel that fits over the telephone faceplate to
protect it.
feature access code. The key pad sequence dialed by a user to access a
telephone or system feature.
H
handset. A hand-held unit on a telephone that has both a microphone and a
speaker.
headset. A device with a microphone and a speaker that fits over a user's head
and eliminates the need to use a handset.
hold. The status of a line when the connected parties are temporarily
disconnected from each other without releasing the line.
hunt group. A group made up of telephones arranged to share the call load;
each group is assigned a dummy extension number called a pilot number.
J
jack. A receptacle used to connect a cord, a plug, an earphone, or a speaker.
K
key pad. A group of keys on the telephone used for dialing telephone numbers
and accessing features. These keys are labeled 0 through 9, *, and #.
G-2 ROLMphone 300/600 Series User Guide