16
V400 Series VoIP Gateway User Guide
YML832 Rev1
LAN IP address of Internet sharing
Please avoid IP address 192.168.8.1-192.168.8.254 (You may need to
change the settings of Internet sharing device or change V400 series gateway
LAN Port IP address)
WAN IP of V400 series gateway
Set as a static private IP address or DHCP; when the WAN port is set as a
static private IP, assign the LAN IP address of the Internet sharing to as default
gateway IP of V400 series gateway; When the WAN IP is set as DHCP, please
make sure you have DHCP server running in network to issue an IP to the
V400 gateway.
NAT Traversal
There are three ways to configure
V400 gateway to traversing NAT in
Internet sharing devices. For details,
please refer to page 29.
NAT Public IP
If the WAN of the IP sharing device has a static public IP
address, then the “NAT IP/Domain” address is set as the
Public IP address of the Internet sharing devices.
If the WAN of the Internet sharing device uses a dynamic
public IP address and you specify a domain name in “NAT
IP/Domain” field, which has to comply with the DDNS
settings.
Note: you also need to forward specific ports on the NAT
router to the WAN port of the V400 gateway.
STUN client
Enable STUN client will avoid problems of configuring port
forwarding in the Internet sharing device, but some NAT
routers do not support STUN.
UPnP Control
point
Using UPnP to enable the V400 gateway to pass through
NAT of Internet sharing device. This function only works
when the Internet sharing devices support UPnP and has
it enabled.
DDNS Settings
For details, please refer to page 29
for the DDNS Settings
The WAN of the Internet sharing device
has a static public IP address.
(Unnecessary) Disabled
The WAN of the Internet sharing device
has a dynamic IP address.
Enabled: enter the registered
URL (Uniform Resource Locator)
and DDNS server info into
corresponding areas.