Sharp FO-2950M Operation Manual page 72

Using TEL Reception Mode
3
If the other party first speaks with you
and then wants to send a fax, press the
START key after speaking. (Press
your START key before the sender
presses their Start key.)
• When RECEIVING appears in the
display, hang up.
START
Answering with an extension phone
1
Answer the extension phone when it
rings.
2
If you hear a soft fax tone, wait until
your fax responds (the extension
phone will go dead if it is connected
to your fax, or you will hear
pronounced, high-pitched tones if the
phone is connected to a separate wall
jack), then hang up.
Beep
70
RECEIVING
Phone goes dead
or pronounced,
high-pitched tones