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NAT Traversal:
Item
Disable
STUN (Type 1,2)
STUN (All)
UPNP
Behind NAT
Explanation
Disable NAT traversal features
Enable STUN for NAT traversal. Since STUN can be used only
for type 1 and type 2 NAT servers, it is recommended to use
this option. When STUN client detect current NAT is type 3, it
stops the STUN feature operation.
STUN Server: STUN Server IP address
No matter which NAT type server is used, STUN is always to be
used for NAT traversal.
STUN Server: STUN Server IP address
Enable UPnP client for NAT traversal. Please note that the IP
sharing box (or Router) needs to support uPnP feature.
Use DMZ for NAT traversal
IP Sharing Address: public IP sharing address. You need to
specify the port mapping or DMZ for all required ports
43
Internet Telephony Gateway
VGW-400 Series
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