Avermedia AverComm H100, User Manual

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2. Select Firewall and press .
3. AVerComm H300/H100 support firewall traversal of
H.323 calls.
Select the following to setup the Firewall.

TCP/UDP ports: By default, the system
communicates through TCP/UDP ports in the range
from 30000 to 30039 . You can specify the range for
your network environment.
Note : You must configure your firewall to allow inbound/outbound traffic through TCP port
1720/1719 for H.323 call set up

Enable H.460 Firewall Traversal: The gatekeeper must support this feature and register
to dedicate gatekeeper for the system.

NAT Configuration: AVerComm H300/H100 supports NAT system that use internal IP
address to communicate with other devices outside the LAN.

NAT Public (WAN) Address: The NAT public address must be entered when you enable
the feature on NAT configuration.
Video /Audio
In Video Audio setting, you can enable/disable keypad tone, set the MIC gain level, select the
preferred video and audio codec.