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4S Wireless Gateways User Manual
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Table 4-3-2 Definition of NAT Settings Options
Options
Definition
Local Network
Format:192.168.0.0/255.255.0.0 or 172.16.0.0./12.
A list of IP address or IP ranges which are located inside a
NAT network. This gateway will replace the internal IP
address in SIP and SDP messages with the external IP
address when a NAT exists between the gateway and other
endpoints.
Local Network List
Add local IP address list.
Subscribe
Network
Change Event
Through the use of the test_stun_monitor module, the
gateway has the ability to detect when the perceived
external network address has changed. When the
stun_monitor is installed and configured, chan_sip will
renew all outbound registrations when the monitor
detects any sort of network change has occurred. By
default this option is enabled, but res_stun_monitor only
takes effect once. If res_stun_monitor is enabled and you
don't want changes on the network to cause an outbound
registration, use the option below to disable this feature.
Match
External
Address Locally
Only substitute the extern address or extern host setting if
it matches.
