Panasonic KX-TG7644 User Manual
Page 75
Problem
Cause/solution
The handset or base unit
does not ring.
R The ringer volume is turned off. Adjust the ringer
R When one handset is selected to ring for cellular
calls, other units do not ring. To change the
selection, see page 20.
R Silent mode is turned on for the handset. Turn it off
(page 46).
I cannot make local calls
with the handset or base
unit using a cellular line.
R You need to add your area code when making
cellular calls. Store your area code in order to
automatically add it to the beginning of the 7-digit
phone number when making cellular calls
(page 22).
I cannot make or answer
cellular calls with the
handset or base unit.
R Depending on the cellular phone’s compatibility,
you may not be able to make or answer cellular
calls even if the cellular phone is connected to the
base unit.
R Make sure that the CELL 1 or CELL 2 indicator
lights green and the cellular phone is connected to
the base unit (page 21).
R If someone is talking on a cellular call or using the
headset, you cannot use the cellular feature.
There can be only one active Bluetooth connection
at a time.
R The cellular phone is being used separately from
your system.
I can make and answer
cellular calls but cannot
hear a sound.
R The Bluetooth technology on your cellular phone
may not be functioning normally. Turn off and on
your cellular phone.
R Disconnect and reconnect the base unit AC
adaptor and try again.
I cannot switch cellular
calls from the unit to the
cellular phone.
R Your cellular phone may not support this feature.
Refer to the operating instructions of your cellular
phone.
I cannot make a call using
the landline.
R The dialing mode may be set incorrectly. Change
the setting (page 18).
R The handset is too far from the base unit. Move
closer and try again.
R The cellular line only mode is turned on. Turn it off
(page 21).
I cannot make long
distance calls.
R Make sure that you have long distance service.
For assistance, please visit http://www.panasonic.com/help
75
Useful Information