The number entered here will be placed in front of all telephone numbers making outgoing calls.
This is useful, for example, if your device is operated in a PBX that requires an outside-line access code. This number should be entered here.
- SNMP ID:
 - 2.23.1.9
 - Console path:
 - Setup > Interfaces > S0
 - Possible values:
 Max. 8 characters from [0-9]
- Default:
 - empty