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Chapter 2 Optional Configurations
ViewStation User Guide 72 www.polycom.com
Figure 2-41. ISDN and IP Dialing Speeds Screen
Quality of Service (QoS) and Firewalls
The Quality of Service and Firewalls screen (System Info >
Admin Setup > LAN/H.323 > QoS) shown in Figure 2-42 allows
the LAN Manager to use fixed or nonfixed TCP and UDP ports,
select the IP precedence, Network Address Translator (NAT),
and firewall options. The following options are configurable:
Figure 2-42. Quality of Service and Firewalls Screen
Use Fixed Ports: Specifies the fixed ports assigned to the
ViewStation when protected by a firewall.