Canon MF247dw User Manual page 177

To specify multiple destinations at once
1
Click the [Select Destination] tab.
2
Click [Add Destination].
3
Set the communication mode and fax number (or URI), and click [OK].
4
Repeat steps 2 and 3 to add concurrent destinations.
● You can also add a destination by clicking [Add Next Destination] in step 3.
● If you need to specify a number to dial an outside line, select [Detailed Settings]
Prefix to G3/IP Fax Number] and enter the number in [Outside Dialing Prefix]. The specified number is added
to the beginning of the fax number when the machine dials.
Faxing
169
[Add Outside Dialing