Brother MFC 8220 - Manual (Page 111)

AUTO DIAL NUMBERS AND DIALLING OPTIONS 7 - 8
Pause
Press Redial/Pause to insert a 3.5-second pause between
numbers. If you are dialling overseas, you can press Redial/Pause
as many times as needed to increase the length of the pause.
Tone or Pulse
If you have a Pulse dialling service, but need to send Tone signals
(for example, for telephone banking), follow the instructions below. If
you have Touch Tone service, you will not need this feature to send
tone signals.
1
Lift the handset of an external phone.
2
Press # on the control panel of your MFC. Any digits dialled after
this will send tone signals.
3
When you hang up, the MFC will return to the Pulse dialling
service.