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4
5 Call appearances/
feature buttons
(and designation card)
At least two of these 5 buttons are devoted to incoming and
outgoing calls (call appearances) and are labeled
with an extension number; the remaining buttons access
features (feature buttons) and are labeled with a feature
name. Each has a red light telling you this is the line you
are using or this is the line you will get when you lift your
handset. The green status light next to each call appearance
and feature button tells you the line or feature is being used.
Handset
A handset is provided for placing and receiving calls.
(The handset is also known as the receiver.) In most cases,
you must lift the handset (go off-hook) or activate the
speaker or speakerphone before you can use a feature.
Handset jack
This jack is for connecting a handset to your voice terminal.
The jack is labeled .
Hold button
A red button for putting a call on hold.
(On some 8405 voice
terminals, this can be used
as a Hold/Ring button)
If your 8405 has a button, you can press and
then
to select a personalized ring for your voice
terminal from eight possible ringing patterns.
Line jack
(on back of voice terminal)
This jack is used for connecting a line cord to your voice
terminal. The jack is labeled “LINE.”
Message light
A red light which goes on steadily when a message has been
left for you. This light may be labeled Message or .
Shift Shift
Hold
Mute button
For turning off the microphone associated with the handset
(on all 8405 terminals) or the built-in speakerphone (on the
8405B Plus and 8405D Plus) so the other person on the call
cannot hear you.
Ring button
If your 8405 has a button, you can use this button to
select a personalized ringing pattern from eight possible
ringing patterns.
Shift button
A blue button on some 8405 voice terminals which can be
used to access additional features (When is active,
the red light next to the button is on.):
• When used with , you can select a personalized
ring from among eight available patterns.
• When used with
(on some 8405B Plus and
8405D Plus voice terminals), you can perform an
acoustic test of the environment and adjust the
speakerphone to the surrounding acoustic environment
for optimal performance (for the built-in speakerphone
option only).
Ring
Shift
Hold
Speaker