Hello, as from now on the snom 370 a special firmware exist to build secure VoIP-Infrastructures via OpenVPN <http://openvpn.net>-Technology. For further information go to http://snom.com/wiki/index.php/Networking/VPN Note: *That is a pre-release, probably the software is still unstable* cheers, Hirosh Dabui -- Hirosh Dabui computer engineering http://snom.com