Technical data

3.3 Telephony 41
Afterwards you have to choose one of the options: I want to use
the analog line (see left Fig.) or I want to use the ISDN line (see
right Fig.).
Click on NEXT, to enter the phone numbers.
Figure 3.22: Telephony: Phone numbers
Enter the phone number(s). Use the first ISDN phone number
respectively the analog phone number as default number. The
HorstBox will use the number to handle outgoing calls. This
number will be displayed as "‘Caller ID"’.
Click on NEXT.
Figure 3.23: Telephony: VoIP