D-Link VoiceCenter DPH-125MS User Manual page 27

Section  - Configuration
Choose Static IP if all WAN IP addresses are provided to you by your ISP.
IP Address:
Enter in the IP address assigned to you by your
Internet Service Provider.
Router IP: Enter in the router's IP address.
Subnet Mask: Enter the Subnet mask address.
DNS Server: Enter in the DNS server address provided by
your ISP.
Submit: Click Submit for the new settings to take
effect.
D-Link DPH-15MS User Manual
Static