Talkswitch 24-CA User Manual page 63

5. Save settings to TalkSwitch.
Example: If your fax machine is connected to E8 on the rear of unit 1, select
extension number 118 for units with 8 extension jacks or 113 for units with
4 extension jacks. If your fax machine is connected to E8 on a unit with Unit
ID 2, the fax extension number is 128.
Figure 48: Fax information
If you do not see your fax number in the list, make sure you have activated
the line in the TalkSwitch configuration software under
System Information -> Telephone Lines.
Figure 49: Telephone lines
T A L K S W I T C H C O N F I G U R A T I O N 5 1