Transfer Type
Inside IP
Inside Port
Outside Port
Note: After entering settings, click the Add button to add new mapping table data. To
delete an entry, enter its information and then click the Delete button.
Notice: The phone supports 10M/100M adaptive. Under loaded conditions traffic through
the phone NAT may not reach 100M.
8.3.7.4 VPN
The phone supports remote connection via VPN. It supports both Layer 2 Tunneling
Protocol (L2TP) and OpenVPN protocol. This allows users at remote locations on the public
network to make secure connections to local networks.
Field Name
VPN Status
VPN Mode
Select L2TP. You can choose only one for current state. After you select it, save the
configuration and reboot the phone.
Enable VPN
L2TP
OpenVPN
Only one protocol may be activated. After the selection is made, the configuration should be
saved and the phone rebooted.
VPN Server Address
NAT Table Option
Select the TCP or UDP protocol.
Set the local IP address of device.
Set the LAN (inside) port for NAT mapping
Set the WAN (outside) port for NAT mapping
Shows the current VPN IP address.
Enable/Disable VPN.
Select Layer 2 Tunneling Protocol
Select OpenVPN Protocol
Set VPN L2TP Server IP address.
76/81
Explanation