System IP Settings section
If you have a DHCP (Dynamic Host Configuration Protocol) server and your TalkSwitch unit(s) is (are) connected to the LAN, all fields are filled with the correct information.
Public WAN IP Address
Type of public WAN IP address for Internet Connection:
Select dynamic if your public IP address is a dynamic IP address from your Internet Service Provider (ISP). If you are unsure if your connection is dynamic or static, leave this option set to ‘dynamic’. When set to dynamic, TalkSwitch checks your public IP address every 5 minutes. If it changes, TalkSwitch automatically updates to the correct information to manage VoIP calls properly.
Current public WAN IP address
When you select the public IP address type ‘dynamic’, this entry shows the current public IP address and is not editable. If the public IP address is ‘static’, you enter it here.
Public WAN IP
When you select the public IP address type ‘dynamic’, this entry shows the current server name for the IP checker utility. If the public IP address type is ‘static’, no information is required. The default location is checkip.talkswitch.com. There is an IP checker application running on the server that responds to requests from TalkSwitch units for the public IP address at its location.
Fully Qualified Domain Name
A Fully Qualified Domain Name (FQDN) is required if this location acts as the SIP Server and does not have a static public IP address from your service provider. You can obtain FQDNs for free at www.dyndns.org.
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