PLANET VIP-2020PT - Manual (Page 101)

Enterprise HD PoE IP Phone
VIP-2020PT
FTP ALG IP into extranet IP when intranet IP is sending out packet.
Select it to enable FTP ALG, the default is enabled.
PPTP ALG Select it enable PPTP ALG, the default is enabled.
Shows the NAT TCP mapping table
Transfer Type Select the NAT mapping protocol style, TCP or UDP
Inside IP
Address
Set the IP address of device which is connected to LAN interface
to do NAT mapping.
Inside Port Set the LAN port of the NAT mapping
Outside Port Set the WAN port of the NAT mapping
After finishing setting, click the Add button to add new mapping table; click the
Delete button to delete the selected mapping table.
Shows the outside WAN port IP address and the inside LAN port IP address.
10M/100M adaptivity means the network card, and other equipment physical
consultations speed, testing speed under bridge mode, which is closed to 100M.
In order to ensure the quality of voice and communications in real-time
performance, we have made some sacrifices of NAT under the transmission
performance. Transmission is in full capacity only when system is idle, so it
cannot be guaranteed that the transmission speed can reach100M.
8.3.7.4 VPN
This web page provides us a safe connect mode by which we can make remote access to
enterprise inner network from public network. That is to say, User can set it to connect public
networks in different areas into inner network via a special tunnel.