Settings/preselection nr
From Snom User Wiki
< Settings
Prefix [preselection_nr]
- Web User Interface:
- Description: Specify the number to be prefixed to each dialled number.
- Valid values: Integer values & + e.g. <001>, <+491234567>
- Default value: blank
- Note: If a number is entered in this option, the phone dials this pre-selected number automatically every time the phone is taken off the hook. This is particularly useful for using calling/prepaid cards etc.
