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Problem Cause/solution
I cannot make a call. R You dialled a call restricted number (page 28).
R The key lock feature is turned on. Turn it off (page 17).
R The unit is not designed to be used with rotary/pulse dialling
services.
Caller ID
Problem Cause/solution
Caller information is not
displayed.
R You must subscribe to a Caller ID service. Contact your service
provider/telephone company for details.
R If your unit is connected to any additional telephone equipment,
remove and plug the unit directly into the wall socket.
R If you use a DSL/ADSL service, we recommend connecting a
filter (contact your DSL/ADSL service provider) to the telephone
line between the base unit and the telephone line socket.
Contact your DSL/ADSL provider for details.
Caller information is slow
to display.
R Depending on your service provider/telephone company, the
unit may display the caller’s information at the 2nd ring or later.
Set the first ring to “Off” (page 23).
R Move closer to the base unit.
Time on the unit has
shifted.
R Incorrect time information from incoming Caller ID changes the
time. Set the time adjustment to “Manual” (off) (page 23).
Answering system
Problem Cause/solution
The unit does not record
new messages.
R The answering system is turned off. Turn it on (page 33).
R The message memory is full. Erase unwanted messages
(page 34).
R The recording time is set to “Greeting Only”. Change the
setting (page 37).
R If you subscribe to a voice mail service, messages are recorded
by your service provider/telephone company, not your
telephone. Change the unit’s number of rings setting or contact
your service provider/telephone company (page 37).
I cannot operate the
answering system
remotely.
R The remote access code is not set. Set the remote access code
(page 36).
R You are entering the wrong remote access code. If you have
forgotten your remote access code, enter the remote access
code setting to check your current code (page 36).
R The answering system is turned off. Turn it on (page 36).
The unit does not emit
the specified number of
rings.
R If the first ring is turned off, the number of rings decreases by 1
from the specified number of rings.
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Useful Information
TG786xAL(en)_0111_ver002.pdf 45 2013/01/11 11:36:22