Useful Information
86
For product assistance, visit www.globarange.com
For
A
assistance, visit www.joip.com
Making/answering calls, intercom
Problem
Cause/solution
w
is displayed, but I cannot
make a call.
L
The handset and base unit could not
communicate for some reason, such as
interference from other electrical appliances.
Perform the following:
– Move the handset and base unit away from
other electrical appliances.
– Move closer to the base unit.
Static is heard, sound cuts in
and out. Interference from
other electrical units.
L
Move the handset and base unit away from
other electrical appliances.
L
Move closer to the base unit.
L
Turn on the clarity booster feature (page 33).
L
k
If your unit is connected to a telephone
line with DSL service, we recommend
connecting a noise filter between the base
unit and the telephone line jack. Contact your
DSL provider for details.
The handset does not ring.
L
The ringer volume is turned off. Adjust it (page
52).
The base unit does not ring.
*1
L
The ringer volume is turned off. Adjust it (page
56).
I cannot make a call.
L
k
The dialing mode may be set
incorrectly. Change the setting (page 27).
L
l
Check if the STATUS indicator is lit in
green. If it is not lit in green, see “STATUS
indicator” (page 84).
L
l
You cannot make a call while the base
unit is downloading the software update. Wait
until the STATUS indicator stops flashing and
changes to steady green.
L
You may have selected the wrong line by
pressing
{
TEL
}
or
{
IP
}
. Select the appropriate
line to call the phone number.
L
The base unit or another handset is in use. Try
again later.
l
I cannot make a call
using a cellular phone.
*1
L
The IP line or the answering system is in use.
Try again later.
L
The remote code of the answering system is
the default setting. You need to set your own
remote code for security (page 64).
I cannot have a conversation
using the headset.
L
Make sure that an optional headset is
connected properly (page 76).
GT15xxC.book Page 86 Tuesday, July 24, 2007 7:17 PM