Canon Color imageCLASS MF8170c Facsimile Manual page 49

When the recorded message of the information service answers,
press [ ] to switch to tone dialing.
When [ ] is pressed, <T> is displayed in the LCD.
If your telephone line uses tone dialing, go to the next step.
Use the numeric keys on the machine to enter the numbers
requested by the information service.
Numbers entered after pressing [
If you want to receive faxes, press [B&W Start].
Press [Hook] or hang up the handset to disconnect the call.
Tone dialing is canceled when you disconnect the call.
NOTE
If the offhook alarm starts beeping, make sure that the handset is resting properly on the
handset cradle. The offhook alarm can be turned off. (See <4. OFFHOOK ALARM> of
"Menu Descriptions," on p. 8-3.)
] will be dialed using tone dialing.
Special Dialing 4-15
4