User manual

39
ENGLISH
3. AVer HVC supports 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 specific network environment.
Note: You must configure your firewall to allow inbound/outbound traffic through TCP ports
1720/1719 for H.323 call setup
 Enable H.460 Firewall Traversal: Make sure your gatekeeper supports this feature
before enabling it.
 NAT Configuration: AVer HVC supports NAT systems that use internal IP addresses 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.
Enable/Disable Quality of Service
Quality of Service (QoS) provides different priority data
flows to guarantee a certain level of performance in
video conferencing data flow.
To activate QoS, select Setting in the home menu >
System Settings > Network > Enable QoS and press
to active/deactivate the feature.