Brother FAX-T94 - Manual (Page 103)

QUICK-DIAL NUMBERS AND DIALLING OPTIONS 7 - 10
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
Pick up the handset.
2
Press # . Any digits dialled after this will send tone signals.
3
When you hang up, the fax machine will return to the Pulse
dialling service.