Brother FAX-1840CN - Manual (Page 89)

5 - 7 QUICK-DIAL NUMBERS AND DIALLING OPTIONS
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
For FAX-1840C and FAX-1940CN, lift the handset.
—OR—
For FAX-1835C, MFC-3240C and MFC-3340CN, lift the
handset of the external telephone.
2
Press # on the machine’s control panel. Any digits dialled after
this will send tone signals.
When you hang up, the machine will return to the Pulse dialling
service.