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.
LThe 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 t o the base unit.
Static is heard, sound cuts in
and out. Interference from
other electrical units.
LMove the handset and base unit away from
other electrical appliances.
LMove closer to the base unit.
LTurn on the clarity booster feature (page 33).
Lk 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. LThe ringer volume is turned off. Adjust it (page
52).
The base unit does not ring.*1 LThe ringer volume is turned off. Adjust it (page
56).
I cannot make a call. Lk The dialing mode may be set
incorrectly. Change the setting (page 27).
Ll Check if the STATUS indicator is lit in
green. If it is not lit in green, see “STATUS
indicator” (page 84).
Ll 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.
LYou may have selected the wrong line by
pressing {TEL} or {IP}. Select the appropriate
line to call the phone number.
LThe base unit or another handset is in use. Try
again later.
l I cannot make a call
using a cellular phone.*1
LThe IP line or the answering system is in use.
Try again later.
LThe 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.
LMake sure that an optional headset is
connected properly (page 76).
GT15xxC.book Page 86 Tuesday, July 24, 2007 7:17 PM