Billion Electric Company 7560G - Manual (Page 109)

Billion BIPAC-7560/7560G Powerline(802.11g) ADSL VPN Firewall Router
Chapter 4:Configuration
Example: Configuring your Router to Dial-in to the Server
Currently, Microsoft Windows operation system does not support L2TP incoming service.
Additional software may be required to set up your L2TP incoming service.
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