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Parameter
Description
Setting
Gateway
Configure the default gateway address of the terminal. Default: actual needs
DNS address Configure the IP address of the DNS server.
Default: actual needs
8.1.2 Firewall
Configure firewall parameters that can be used in video conferencing systems to allow
video conferencing to pass through the network security system.
NAT (Network Address Translation) network address translation technology refers to
the use of a dedicated internal IP address for a device on the internal LAN network,
while using an external IP address to enable the device to communicate with other
devices on the external network. If your LAN uses NAT technology, you need to
configure the NAT public network address in the terminal.
Step
Step 1
Enter the GUI main interface, select “Settings > Network > Firewall”.
Step 2
Configure firewall parameters. The parameters are described in the
following table.
Step 3
Select “Save”, save configuration information.
Step 4
End.
Parameter
Description
Setting
TCP Port Range
When the local end communicates with the remote
end, the local end receives the TCP communication
port of the data packet.
Default range:
30000~30100
UDP Port Range
When the local end communicates with the remote
end, the UDP communication port that receives the
data packet locally
Default range:
30000~30100
NAT keep alive
time
In order to avoid the network device resetting the
TCP connection when there is no data packet for a
long time, the terminal needs to periodically send the
keep-alive message when there is no data
transmission.
Default:
20 seconds
Enable H.460 for
NAT traversal of
H.323 calls
When this function is enabled, when the terminal is
identified as a private network terminal, the H460
protocol will be used for traversal.
Default: Enabled