You can send a fax while listening to sounds or voices through the printer's speaker while dialing, communicating, and transmitting.
Select Fax on the home screen.
Make necessary settings on the Fax Settings tab.
On the Recipient tab, tap 
and then specify the recipient.
You can adjust the sound volume of the speaker.
When you hear a fax tone, select Send/Receive at the upper right corner of the LCD screen, and then select Send.
When receiving a fax from a fax information service, and you hear the audio guidance, follow the guidance to make the printer operations.
Tap 
to send the fax.