How to add a 9 and 1 to our missed call dial back?

FreePBX
1

When clicking on a missed call number it dials the area code + number, but we need it to dial a 9+1 before dialing the rest of the number for external outbound calls. How can this be done?

2

create an outbound route that matches NXXNXXXXXX and add a prepend of 1.

You don’t need 9.