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ADVANCED SIP SETTINGS
Networking
Options
Definition
UDP Bind Port
Choose a port on which to listen for UDP traffic.
Enable TCP
Enable server for incoming TCP connection (default is no).
TCP Bind Port
Choose a port on which to listen for TCP traffic.
TCP Authentication
Timeout
The maximum number of seconds a client has to authenticate. If the client
does not authenticate before this timeout expires, the client will be dis-
connected.(default value is: 30 seconds).
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.
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.
