Gigaset 108 Owner's Manual page 101

The IP address tab must look like the one above.
The Obtain an IP address automatically function field must be checked.
The fields under Specify an IP address must be empty.
ì
Click on OK.
You will see a message telling you that the setting will not take effect until you
restart your PC.
ì
Confirm this screen with OK.
ì
This restarts your PC.
ì
Restart your network (see page 106).
Appendix
99