D-Link HorstBox DVA-G3342SD Manual page 38

3.3 Telephony 38
Now you can connect and set up an ISDN phone. Connect the
phone to the port "S Int" on the HorstBox. Use the red phone
0
cable (ISDN) provided.
Figure 3.18: Telephony: ISDN Phone
Click on N .
EXT
Figure 3.19: Telephony: Name the ISDN phone
Please choose unique phone names so the further administration
of the HorstBox will become more comfortable.