| Configuring Network Settings | 73
2. Configure and save the following settings:
Parameter Description Configuration Method
WAN Port Link
(WAN Port Link/PC Port Link)
Specify the network speed and
the duplex mode for the system.
Note: the default value is Auto.
The network speed and duplex
mode you select must be
supported by the switch. WAN
Port Link and PC Port Link is
only applicable to VP59.
If you change this parameter, the
system will reboot to make the
change take effect.
Web user interface
Restricting Reserved Ports
By default, the system communicates through TCP and UDP ports from 50000 to 51000 for the video, the
voice, the presentation, and the camera control. The system uses only a small number of these ports during
a call. The specific number of the port depends on the number of participants in the call, the protocol used,
and the number of ports required for the type of call (video or voice). To minimize the number of UDP and
TCP ports that are available for communication, you can restrict the ports range.
Procedure
1. Do one of the following:
• On your web user interface, go to Network > NAT/Firewall > Reserved Port.
• On your VCS:
On your VC880/VC800/VC500/PVT980/PVT950, go to More > Setting > Advanced > NAT/Firewall
> Reserved Port.
On your VC200, go to More > Network > Wired Network > NAT/Firewall > Reserved Port.
On your VP59, tap Setting > Advanced > NAT/Firewall > Reserved Port.
• On your CTP20, tap Setting > Advanced > NAT/Firewall > Reserved Port.
2. Configure and save the following settings:
Parameter Description Configuration Method
UDP Port Scope/
UDP Lowest Port—UDP
Highest Port
Configure the range of the UDP
ports.
Note: the default UDP port
range is from 50000 to 51000.
The valid value is from1024 to
65000.
SIP and H.323 calls share the
configured ports. If you change
this parameter, the system will
reboot to make the change take
effect.
Web user interface
Endpoint
CTP20
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