
DGW-L20X User Manual
OPENVOX
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Enable Hostname
Lookup
Enable DNS SRV lookups on outbound calls Note: the gateway only uses the
first host in SRV records Disabling DNS SRV lookups disables the ability to
place SIP calls based on domain names to some other SIP 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.
4.3.2 Advanced NAT Settings
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 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