Internet Telephony PBX System
IPX-330/IPX-2100
94
Item Explanation
written into system logs.
IPSec Enable IPSec encryption for L2TP VPN server.
IPSec Local IP IP PBX WAN IP which can access Internet.
IPSec Password Define a password for IPSec VPN client to authenticate.
If the IP PBX system is behind NAT, you need to open ports 500, 4500 and 1701 on
the router/firewall.
When the mode is L2TP or PPTP VPN server, click【Network Settings】->【VPN Server】->
【VPN Users Management】:
This page is used for management of VPN user name and password.
4.3.2 PPTP VPN
The Point-to-Point Tunneling Protocol (PPTP) uses a control channel over TCP and a GRE
tunnel operating to encapsulate PPP packets. The intended use of this protocol is to provide
security levels and remote access levels comparable with typical VPN products.
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