Issue Possible Cause Solution
The unit is downloading a
f
irmware update.
You cannot make calls while the
unit is downloading updates. Wait
for the update to finish, and then try
making a call.
The phonebook list is being
i
mported or exported.
R Wait a few minutes for the
operation to complete.
R Confirm with your administrator or
dealer.
I cannot make long
d
istance calls.
Your telephone service does not
allow you to make long distance
calls.
Make sure that you have subscribed
to your telephone company’s long
distance service.
The unit does not ring
w
hen a call is
received.
The ringer is turned off. Press the [j] volume key while a
call is being received, or change the
ringer volume setting.
While talking to an
o
utside party, the line
is disconnected.
Your phone system/service may
impose a time limit on outside
calls.
Consult your dealer to extend the
time limit, if necessary.
Sound Quality
Issue Possible Cause Solution
The other party
c
annot hear my voice.
The unit is muted.
Press
/[MUTE/AUTO ANS] to
t
urn off the mute feature.
If you are using the
s
peakerphone, objects may be
obstructing the microphone.
Do not obstruct the unit’s
microphone during calls. Keep your
hands, as well as common objects
such as folders, cups, and coffee
pots away from the unit during calls.
Sound cuts out; I can
h
ear myself through
the speaker.
You are too far away from the
microphone.
Try speaking closer to the
microphone.
The environment is not suited to
s
peakerphone calls.
R Do not use the unit within 2 m
(6 ft 7 in) of projectors, air
conditioning devices, fans, or
other audible or electrical noise
emitting devices.
R If using the unit in a room with
windows, close the curtains or
blinds to prevent echoes.
R Use the unit in a quiet
environment.
The unit was moved during a call. Do not move the unit while on a call.
Objects are obstructing the
m
icrophone.
Do not obstruct the unit during calls.
Keep your hands, as well as
common objects such as folders,
cups, and coffee pots away from the
unit during calls.
70
Appendix
