Talkswitch 24-CA - Manual (Page 175)

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correct IP information. Click Use the following IP and DNS information to
‘lock in’ these settings and ensure they are saved as the system IP
settings.
4. If the location does not have a DHCP server, the System IP Settings fields
will not be filled in. Click Use the following IP and DNS information and
enter the IP address(es), Subnet mask, Default Gateway, Preferred DNS
Server, and Alternate DNS Server information in the appropriate fields. For
details on these settings, refer to 2.2.2 IP Configuration on page 37.
5. If there are multiple units in a system, enter the IP addresses of all units
in the system (Unit 2 IP Address, Unit 3 IP Address, Unit 4 IP Address).
Figure 127: Local IP configuration
5.4.1.2 Set the TalkSwitch public IP address
The public IP address of a TalkSwitch system is assigned by your Internet
Service Provider. Depending on the type of service, you will either have a
dynamic or static IP address. If you are unsure which type you have, contact
your Internet Service Provider.
The following steps describe how to set the public IP address of a TalkSwitch
system:
1. Specify the Type of Public WAN IP for Internet Connection by selecting
either dynamic or static from the drop-down list. For private networks,
please ensure the WAN IP address is the same as the Local IP address.
If this TalkSwitch system will act as the SIP server for a network, we
recommend having a static Public IP address.