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3G UMTS User Manual
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TCP Authentication
Limit
The maximum number of unauthenticated sessions that will be
allowed to connect at any given time(default is:50).
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.
Enable Internal SIP
Call
Whether enable the internal SIP calls or not when you select the
registration option "Endpoint registers with this gateway".
Internal SIP Call
Prefix
Specify a prefix before routing the internal calls.
Advanced: NAT Settings
Table 4-2-2 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.