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DVG-5112S User's Manual
NAT Traversal
If DVG-5112S is set up behind an IP sharing device or a router, you can select either the NAT or STUN
protocol.
Note: NAT IP/Domain must be the same with Hostname (in DDNS page), if DVG-5112S is behind a NAT
Server that uses a dynamic IP and registers to DDNS.
The ports that need to set the Virtual Server Mapping in the NAT server are below.
1.
Listen Port (UDP): 5060 is default.
2. RTP Port (UDP): 9000~9001. These ports are used for telecommunication.
3. Http Port (TCP): The default is 80.
Item
NAT Public IP
NAT IP/Domain
Enable STUN Client
STUN Server IP/Domain
STUN Server Port
Enable UPnP Control Point
D-Link Systems, Inc.
Description
Tick the check box to enable NAT.
Enter the NAT Server IP address (Real External IP address of NAT
Server) then fill in the URL (Uniform Resource Locator).
Tick the check box to use STUN protocol prevents problems with
setting the IP sharing function, but some NAT do not support this
protocol.
Enter the STUN server IP address and Listen Port number.
It only works when the NAT server supports UPnP. Tick the check
box to enable DVG-5112S to pass through the NAT server.
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