Panasonic KX-F880 - Manual (Page 30)

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Use this mode when you wish to receive voice calls with rings and 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
received manually.
Silent ring fax recognition system
ƒ Regarding the ringing pattern of extension phones and the facsimile unit, see “Helpful hints when
using the TEL/FAX mode” on the next page.
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 a TEL/FAX greeting message is recorded (see page 44), it will be played to the caller.
If extension telephones are connected, only they will ring before the call is answered. ƒ
The unit will now distinguish between a voice and fax call by detecting the calling tone.
Answer the call using the speakerphone
or the handset.
● If you do not answer the call by a
preset number of rings, the facsimile
unit will switch to the fax.
Fax call Voice call
The unit will receive a document.
The unit will start to ring. ƒ
While ringing, the unit will emit a different
ring back tone to the calling party.
TEL/FAX mode
(automatic voice and fax recognition)