Panasonic KX-FPC91 Operating Instructions Manual page 49

When an extension telephone is connected
A call is received.
The fax machine will not ring but
the extension telephone will ring
once.
TEL/FAX delayed ring count
The call is connected.
The fax machine will automatically
receive documents without
ringing.
TEL/FAX delayed ring count
The number of rings generated before the fax
machine answers depends on the setting of feature
#78 on page 59. The fax machine will not generate
an audible ring during this time.
Voice call
Fax calling
tone*
Receiving Faxes
The extension telephone will not ring but
the fax machine will ring up to 3 times.
Silent fax recognition ring count
The calling party will hear a different
ring back tone.
You can answer the call with the
extension telephone.
1. Lift the handset.
2. Enter (default code) while the
0
ring back tone is heard.**
The code number can be changed
in feature #49 (p. 59).
Answer the call.
If the call is not answered, the fax
machine will activate the fax function
for the other party's fax machine that
does not send a fax calling tone.
Silent fax recognition ring count
The fax machine generates audible rings to
indicate that it is receiving a voice call. The number
of rings generated depends on the setting of
feature #30 on page 57. This signal will not ring at
an extension telephone.
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