Panasonic KX-F580 - Manual (Page 22)

22
A call is received.
The unit will automatically answer a call without ringing.
(At this point, a telephone fee will be charged to the caller.)
If extension telephones are connected, they will only ring before the call is answered. ƒ 1
The unit will now distinguish between a voice and fax call by detecting the calling tone.
The unit will receive a document.
Silent ring fax recognition system
The unit will start to ring. ƒ 2
While ringing, the unit will emit a
different ring back tone to the calling
party.
Answer the call using the
speakerphone or the handset. If you
do not answer the call, the unit will
switch to the fax.
Fax call
ƒ 1 The number of rings can be changed. See page 23.
ƒ 2 The number of rings can be changed. See page 24.
Voice call
Receiving both voice and fax calls (TEL/FAX mode)
Use this mode when you wish to receive voice calls with ring but do not want to hear the unit ring when faxes
are received.
When a call is received, the unit will work as follows.
Note:
Some fax messages that are transmitted manually may not send a calling tone. These calls must be
manually received.