Talkswitch CT.TS005.003902 User Manual page 63

b) Enter the Subnet mask for the LAN. This address determines what
subnet the unit IP addresses belong to.
c) Enter the IP address of the Default Gateway on your network. A
gateway is a hardware device (i.e. router) that connects the office
network to the Internet.
d) Enter the IP address of the Preferred DNS Server. DNS is a service that
is used to resolve a domain name to an IP address.
e) If applicable, enter the IP address of the Alternate DNS Server.
4. If your TalkSwitch system has multiple TalkSwitch units, set the
TalkSwitch unit that will act as local proxy.
a) Click the Change... button. The TalkSwitch window appears.
b) Select the TalkSwitch unit, and then click Change.
5. Set up the Public WAN IP Address.
a) Set the Type of public WAN IP address for Internet Connection.
• To have the TalkSwitch unit check its public IP address every five
minutes, select dynamic. If the public IP address changes, the
TalkSwitch unit automatically uses the new one. This allows the
TalkSwitch unit to manage VoIP calls properly.
• If the TalkSwitch unit is within a closed network environment,
select static.
b) If you selected dynamic, enter the Public WAN IP address-checker
server name. The default server is checkip.talkswitch.com. This
server runs an IP checker application that provides public IP
addresses to TalkSwitch units.
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