Panasonic KX-FM255 Operating Instructions Manual page 69

Ring pattern when an extension telephone is connected
The extension telephone
will ring once.
(The unit will not ring.)
A call is
received.
TEL/FAX delayed
TEL/FAX delayed ring count:
Silent fax recognition ring count: The unit generates audible rings to indicate that it is receiving a voice call.
Note:
The unit will display the following when an extension telephone starts to ring.
Display:
INCOMING CALL
You must set the ringer to ON.
Voice calling
ring count
Fax calling tone**
One to four ring signals will be generated before the unit answers,
depending on feature setting #78 on page 71. In the TEL/FAX mode, the
unit will not generate an audible ring during this period.
Three to six rings will be generated, depending on feature setting #30 on
page 71. This signal will not ring at an extension telephone.
Receiving Faxes
The unit will ring up to
3 times.
(The extension telephone
will not ring.)
Silent fax recognition
ring count
If the call is not answered, the
unit will automatically activate the
fax function for fax machines that
do not send a fax calling tone.
The unit will automatically
receive documents
without ringing.
Answer the
call using
the handset.
OR
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