Panasonic KX-WP1050 Operating Instructions Manual page 40

Getting Started
Temporary Confidential
Setting
[DNS Server 1]
[DNS Server 2]
[Domain Name]
[MTU]
40
For assistance, please visit http://www.panasonic.com/phonehelp
Description
L If you have the DNS (Domain Name System) server
addresses assigned by your Internet service provider or
network administrator, enter them in this data field. They
usually have two addresses.
L Set 4 digits (0 – 255) and 3 periods such as "192.168.0.253".
But "0.0.0.0" and "255.255.255.255" are not available.
L Enter your Domain Name provided by your Internet service
provider in this data field if required.
L Enter the maximum size of packet that can be sent.