Analog Gateway User Manual
OpenVox Communication Co. ,LTD.
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users on the Internet specifying a port in a SIP peer definition or when
dialing outbound calls with suppress SRV lookups for that peer or call.
4.4.1.1 NAT Settings
Table 4-4-2 Definition of NAT Settings
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 NATed 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
Local IP address list that you added.
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 only
takes effect once res_stun_monitor is configured. If res_stun_monitor is
enabled and you wish to not generate all outbound registrations on a
network change, use the option below to disable this feature.
Match External
Address Locally
Only substitute the externaddr or externhost setting if it matches
Dynamic Exclude
Static
Disallow all dynamic hosts from registering as any IP address.
Used for
staticly defined hosts. This helps avoid the configuration error of allowing
your users to register at the same address as a SIP provider.
Externally Mapped
TCP Port
The externally mapped TCP port, when the gateway is behind a static NAT
or PAT
External Address
The external address (and optional TCP port) of the NAT.
External Address = hostname[:port] specifies a static address[:port] to be