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P-2000W_V2 User’s Guide
90 Chapter 12 User Web Configurator Screens
Figure 27 NAT Traversal Configuration
Table 13 NAT Traversal Configuration
LABEL DESCRIPTION
Select Type Select None if the Prestige is not behind a NAT router or the NAT router is a SIP
ALG.
Select By Outbound Proxy if your VoIP service provider has a SIP outbound
server to handle voice calls. This allows the Prestige to work with any type of NAT
router. Turn off a SIP ALG on a NAT router in front of the Prestige to keep it from
retranslating the IP address (since this is already handled by the outbound proxy
server).
Select STUN if there is a NAT router between the Prestige and the VoIP service
provider’s SIP server and your VoIP service provider hosts a STUN server.
Select Fake WAN Address on SIP and RTP to use a NAT router’s public IP
address and SIP port number in the Prestige’s SIP messages. You must also
configure the NAT router to forward traffic with this port number to the Prestige.
Outbound Proxy
Outbound Proxy
Server Address
This field displays the IP address or domain name of your outbound proxy server.
Outbound Proxy
Server Port
This field displays the port number to access proxy services.
STUN (RFC3489)
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