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For product assistance, visit www.panasonic.com/help
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
51).
The base unit does not ring.
*1
L The ringer volume is turned off. Adjust it (page
55).
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 82).
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 63).
I cannot have a conversation
using the headset.
L Make sure that an optional headset is
connected properly (page 74).
GT15xx.book Page 84 Wednesday, August 8, 2007 10:30 AM