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V6100 and V7122 User Guide
ini File Field Name
Web Parameter Name
Valid Range and Description
EnableSTUN
[Enable STUN]
0 = STUN protocol is disabled (default).
1 = STUN protocol is enabled.
When enabled, the gateway functions as a STUN client and
communicates with a STUN server located in the public
internet. STUN is used to discover whether the gateway is
located behind a NAT and the type of that NAT. In addition, it
is used to determine the IP addresses and port numbers that
the NAT assigns to outgoing signaling messages (using SIP)
and media streams (using RTP, RTCP and T.38). STUN
works with many existing NAT types, and does not require
any special behavior from them.
This parameter cannot be changed on-the-fly and requires a
gateway reset.
STUNServerPrimaryIP
[STUN Server Primary IP]
The IP address of the primary STUN server.
STUNServerSecondaryIP
[STUN Server Secondary IP]
The IP address of the secondary STUN server.
NATBindingDefaultTimeout
Defines the default NAT binding lifetime in seconds. STUN is
used to refresh the binding information after this time expires.
The valid range is 0 to 2592000. The default value is 30.
DisableNAT
Enables / disables the Network Address Translation (NAT)
mechanism.
0 = Enabled.
1 = Disabled (default).
The compare operation that is performed on the IP
address is enabled by default and is controlled by the
parameter ‘EnableIPAddrTranslation’. The compare
operation that is performed on the UDP port is
disabled by default and is controlled by the
parameter ‘EnableUDPPortTranslation’.
Summary of Contents for V6100
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