Problem Cause/solution
I cannot make a call using the
landline.
RThe dialing mode may be set incorrectly. Change the
setting (page 16).
RThe cellular line only mode is turned on. Turn it off
(page 19).
I cannot make long distance
calls.
RMake sure that you have long distance service.
Caller ID/Talking Caller ID
Problem Cause/solution
Caller information is not
displayed.
RYou must subscribe to Caller ID service. Contact your
service provider/telephone company for details.
RIf your unit is connected to any additional telephone
equipment such as a Caller ID box or cordless telephone
line jack, plug the unit directly into the wall jack.
RIf you use a DSL/ADSL service, we recommend
connecting a DSL/ADSL filter between the base unit and
the telephone line jack. Contact your DSL/ADSL provider
for details.
RThe name display service for landline calls may not be
available in some areas. Contact your service provider/
telephone company for details.
ROther telephone equipment may be interfering with this
unit. Disconnect the other equipment and try again.
Caller information is displayed
or announced late.
RDepending on your service provider/telephone company,
the unit may display or announce the caller’s information
at the 2nd ring or later.
RMove closer to the base unit.
Caller information is not
announced.
RThe ringer volume for landline is turned off. Adjust the
ringer volume (page 39, 42).
RThe ringer volume for cellular line is turned off. Adjust the
ringer volume (page 38, 42).
RWhen one handset is selected to ring for cellular calls,
other units do not announce caller information. To change
the selection, see page 18.
RThe Talking Caller ID feature is turned off. Turn it on
(page 40, 42).
RThe ring as cell mode is set to “On (without Talking
CID)”. To change the mode, see page 18.
RThe number of rings for the answering system is set to “2
rings” or “Toll saver”. Select a different setting
(page 61).
RYour unit does not announce caller information if
– the base unit or 2 or more handsets are on a call.
– a headset is in use.
72 For assistance, please visit http://www.panasonic.com/help
Useful Information
TG78xx(en)_1210_ver101.pdf 72 2012/12/10 21:19:32