Gigaset SE105 Owner's Manual page 85

Configuration with Advanced Setup
Select the DDNS menu.
N
You have to activate the Dynamic DNS option on DDNS (Dynamic DNS) settings so
N
that the DynDNS service can be used.
The other entries have to match the entries you made when opening
i
the account with DynDNS.org.
To apply the settings click on APPLY.
N
84